| Line | Source | Count |
| 1 | | - |
| 2 | | - |
| 3 | | - |
| 4 | | - |
| 5 | | - |
| 6 | | - |
| 7 | | - |
| 8 | | - |
| 9 | | - |
| 10 | | - |
| 11 | | - |
| 12 | | - |
| 13 | | - |
| 14 | | - |
| 15 | | - |
| 16 | | - |
| 17 | | - |
| 18 | | - |
| 19 | | - |
| 20 | | - |
| 21 | | - |
| 22 | | - |
| 23 | | - |
| 24 | | - |
| 25 | | - |
| 26 | char *client_version_string = | - |
| 27 | ((void *)0) | - |
| 28 | ; | - |
| 29 | char *server_version_string = | - |
| 30 | ((void *)0) | - |
| 31 | ; | - |
| 32 | struct sshkey *previous_host_key = | - |
| 33 | ((void *)0) | - |
| 34 | ; | - |
| 35 | | - |
| 36 | static int matching_host_key_dns = 0; | - |
| 37 | | - |
| 38 | static pid_t proxy_command_pid = 0; | - |
| 39 | | - |
| 40 | | - |
| 41 | extern Options options; | - |
| 42 | extern char *__progname; | - |
| 43 | | - |
| 44 | static int show_other_keys(struct hostkeys *, struct sshkey *); | - |
| 45 | static void warn_changed_key(struct sshkey *); | - |
| 46 | | - |
| 47 | | - |
| 48 | static char * | - |
| 49 | expand_proxy_command(const char *proxy_command, const char *user, | - |
| 50 | const char *host, int port) | - |
| 51 | { | - |
| 52 | char *tmp, *ret, strport[ | - |
| 53 | 32 | - |
| 54 | ]; | - |
| 55 | | - |
| 56 | snprintf(strport, sizeof strport, "%d", port); | - |
| 57 | xasprintf(&tmp, "exec %s", proxy_command); | - |
| 58 | ret = percent_expand(tmp, "h", host, "p", strport, | - |
| 59 | "r", options.user, (char *) | - |
| 60 | ((void *)0) | - |
| 61 | ); | - |
| 62 | free(tmp); | - |
| 63 | return never executed: return ret; ret;never executed: return ret; | 0 |
| 64 | } | - |
| 65 | | - |
| 66 | | - |
| 67 | | - |
| 68 | | - |
| 69 | | - |
| 70 | static int | - |
| 71 | ssh_proxy_fdpass_connect(struct ssh *ssh, const char *host, u_short port, | - |
| 72 | const char *proxy_command) | - |
| 73 | { | - |
| 74 | char *command_string; | - |
| 75 | int sp[2], sock; | - |
| 76 | pid_t pid; | - |
| 77 | char *shell; | - |
| 78 | | - |
| 79 | if ((| TRUE | never evaluated | | FALSE | never evaluated |
shell = getenv("SHELL")) == | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 80 | ((void *)0)| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 81 | ) | - |
| 82 | shell = never executed: shell = "/bin/sh" ; | 0 |
| 83 | "/bin/sh" never executed: shell = "/bin/sh" ; | 0 |
| 84 | ; never executed: shell = "/bin/sh" ; | 0 |
| 85 | | - |
| 86 | if (socketpair(| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 87 | 1| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 88 | , | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 89 | SOCK_STREAM| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 90 | , 0, sp) < 0| TRUE | never evaluated | | FALSE | never evaluated |
) | 0 |
| 91 | fatal("Could not create socketpair to communicate with " never executed: fatal("Could not create socketpair to communicate with " "proxy dialer: %.100s", strerror( (*__errno_location ()) )); | 0 |
| 92 | "proxy dialer: %.100s", strerror( never executed: fatal("Could not create socketpair to communicate with " "proxy dialer: %.100s", strerror( (*__errno_location ()) )); | 0 |
| 93 | (*__errno_location ()) never executed: fatal("Could not create socketpair to communicate with " "proxy dialer: %.100s", strerror( (*__errno_location ()) )); | 0 |
| 94 | )); never executed: fatal("Could not create socketpair to communicate with " "proxy dialer: %.100s", strerror( (*__errno_location ()) )); | 0 |
| 95 | | - |
| 96 | command_string = expand_proxy_command(proxy_command, options.user, | - |
| 97 | host, port); | - |
| 98 | debug("Executing proxy dialer command: %.500s", command_string); | - |
| 99 | | - |
| 100 | | - |
| 101 | if ((| TRUE | never evaluated | | FALSE | never evaluated |
pid = fork()) == 0| TRUE | never evaluated | | FALSE | never evaluated |
) { | 0 |
| 102 | char *argv[10]; | - |
| 103 | | - |
| 104 | close(sp[1]); | - |
| 105 | | - |
| 106 | if (sp[0] != 0| TRUE | never evaluated | | FALSE | never evaluated |
) { | 0 |
| 107 | if (dup2(sp[0], 0) < 0| TRUE | never evaluated | | FALSE | never evaluated |
) | 0 |
| 108 | perror("dup2 stdin"); never executed: perror("dup2 stdin"); | 0 |
| 109 | } never executed: end of block | 0 |
| 110 | if (sp[0] != 1| TRUE | never evaluated | | FALSE | never evaluated |
) { | 0 |
| 111 | if (dup2(sp[0], 1) < 0| TRUE | never evaluated | | FALSE | never evaluated |
) | 0 |
| 112 | perror("dup2 stdout"); never executed: perror("dup2 stdout"); | 0 |
| 113 | } never executed: end of block | 0 |
| 114 | if (sp[0] >= 2| TRUE | never evaluated | | FALSE | never evaluated |
) | 0 |
| 115 | close(sp[0]); never executed: close(sp[0]); | 0 |
| 116 | | - |
| 117 | | - |
| 118 | | - |
| 119 | | - |
| 120 | | - |
| 121 | argv[0] = shell; | - |
| 122 | argv[1] = "-c"; | - |
| 123 | argv[2] = command_string; | - |
| 124 | argv[3] = | - |
| 125 | ((void *)0) | - |
| 126 | ; | - |
| 127 | | - |
| 128 | | - |
| 129 | | - |
| 130 | | - |
| 131 | | - |
| 132 | execv(argv[0], argv); | - |
| 133 | perror(argv[0]); | - |
| 134 | exit(1); never executed: exit(1); | 0 |
| 135 | } | - |
| 136 | | - |
| 137 | if (pid < 0| TRUE | never evaluated | | FALSE | never evaluated |
) | 0 |
| 138 | fatal("fork failed: %.100s", strerror( never executed: fatal("fork failed: %.100s", strerror( (*__errno_location ()) )); | 0 |
| 139 | (*__errno_location ()) never executed: fatal("fork failed: %.100s", strerror( (*__errno_location ()) )); | 0 |
| 140 | )); never executed: fatal("fork failed: %.100s", strerror( (*__errno_location ()) )); | 0 |
| 141 | close(sp[0]); | - |
| 142 | free(command_string); | - |
| 143 | | - |
| 144 | if ((| TRUE | never evaluated | | FALSE | never evaluated |
sock = mm_receive_fd(sp[1])) == -1| TRUE | never evaluated | | FALSE | never evaluated |
) | 0 |
| 145 | fatal("proxy dialer did not pass back a connection"); never executed: fatal("proxy dialer did not pass back a connection"); | 0 |
| 146 | close(sp[1]); | - |
| 147 | | - |
| 148 | while (waitpid(pid, | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 149 | ((void *)0)| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 150 | , 0) == -1| TRUE | never evaluated | | FALSE | never evaluated |
) | 0 |
| 151 | if ( | - |
| 152 | (*| TRUE | never evaluated | | FALSE | never evaluated |
__errno_location ()) | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 153 | != | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 154 | 4| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 155 | ) | - |
| 156 | fatal("Couldn't wait for child: %s", strerror( never executed: fatal("Couldn't wait for child: %s", strerror( (*__errno_location ()) )); | 0 |
| 157 | (*__errno_location ()) never executed: fatal("Couldn't wait for child: %s", strerror( (*__errno_location ()) )); | 0 |
| 158 | )); never executed: fatal("Couldn't wait for child: %s", strerror( (*__errno_location ()) )); | 0 |
| 159 | | - |
| 160 | | - |
| 161 | if (ssh_packet_set_connection(ssh, sock, sock) == | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 162 | ((void *)0)| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 163 | ) | - |
| 164 | return never executed: return -1; -1;never executed: return -1; | 0 |
| 165 | | - |
| 166 | return never executed: return 0; 0;never executed: return 0; | 0 |
| 167 | } | - |
| 168 | | - |
| 169 | | - |
| 170 | | - |
| 171 | | - |
| 172 | static int | - |
| 173 | ssh_proxy_connect(struct ssh *ssh, const char *host, u_short port, | - |
| 174 | const char *proxy_command) | - |
| 175 | { | - |
| 176 | char *command_string; | - |
| 177 | int pin[2], pout[2]; | - |
| 178 | pid_t pid; | - |
| 179 | char *shell; | - |
| 180 | | - |
| 181 | if ((| TRUE | never evaluated | | FALSE | never evaluated |
shell = getenv("SHELL")) == | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 182 | ((void *)0)| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 183 | || *| TRUE | never evaluated | | FALSE | never evaluated |
shell == '\0'| TRUE | never evaluated | | FALSE | never evaluated |
) | 0 |
| 184 | shell = never executed: shell = "/bin/sh" ; | 0 |
| 185 | "/bin/sh" never executed: shell = "/bin/sh" ; | 0 |
| 186 | ; never executed: shell = "/bin/sh" ; | 0 |
| 187 | | - |
| 188 | | - |
| 189 | if (pipe(pin) < 0| TRUE | never evaluated | | FALSE | never evaluated |
|| pipe(pout) < 0| TRUE | never evaluated | | FALSE | never evaluated |
) | 0 |
| 190 | fatal("Could not create pipes to communicate with the proxy: %.100s", never executed: fatal("Could not create pipes to communicate with the proxy: %.100s", strerror( (*__errno_location ()) )); | 0 |
| 191 | strerror( never executed: fatal("Could not create pipes to communicate with the proxy: %.100s", strerror( (*__errno_location ()) )); | 0 |
| 192 | (*__errno_location ()) never executed: fatal("Could not create pipes to communicate with the proxy: %.100s", strerror( (*__errno_location ()) )); | 0 |
| 193 | )); never executed: fatal("Could not create pipes to communicate with the proxy: %.100s", strerror( (*__errno_location ()) )); | 0 |
| 194 | | - |
| 195 | command_string = expand_proxy_command(proxy_command, options.user, | - |
| 196 | host, port); | - |
| 197 | debug("Executing proxy command: %.500s", command_string); | - |
| 198 | | - |
| 199 | | - |
| 200 | if ((| TRUE | never evaluated | | FALSE | never evaluated |
pid = fork()) == 0| TRUE | never evaluated | | FALSE | never evaluated |
) { | 0 |
| 201 | char *argv[10]; | - |
| 202 | | - |
| 203 | | - |
| 204 | close(pin[1]); | - |
| 205 | if (pin[0] != 0| TRUE | never evaluated | | FALSE | never evaluated |
) { | 0 |
| 206 | if (dup2(pin[0], 0) < 0| TRUE | never evaluated | | FALSE | never evaluated |
) | 0 |
| 207 | perror("dup2 stdin"); never executed: perror("dup2 stdin"); | 0 |
| 208 | close(pin[0]); | - |
| 209 | } never executed: end of block | 0 |
| 210 | close(pout[0]); | - |
| 211 | if (dup2(pout[1], 1) < 0| TRUE | never evaluated | | FALSE | never evaluated |
) | 0 |
| 212 | perror("dup2 stdout"); never executed: perror("dup2 stdout"); | 0 |
| 213 | | - |
| 214 | close(pout[1]); | - |
| 215 | | - |
| 216 | | - |
| 217 | | - |
| 218 | argv[0] = shell; | - |
| 219 | argv[1] = "-c"; | - |
| 220 | argv[2] = command_string; | - |
| 221 | argv[3] = | - |
| 222 | ((void *)0) | - |
| 223 | ; | - |
| 224 | | - |
| 225 | | - |
| 226 | | - |
| 227 | mysignal( | - |
| 228 | 13 | - |
| 229 | , | - |
| 230 | ((__sighandler_t) 0) | - |
| 231 | ); | - |
| 232 | execv(argv[0], argv); | - |
| 233 | perror(argv[0]); | - |
| 234 | exit(1); never executed: exit(1); | 0 |
| 235 | } | - |
| 236 | | - |
| 237 | if (pid < 0| TRUE | never evaluated | | FALSE | never evaluated |
) | 0 |
| 238 | fatal("fork failed: %.100s", strerror( never executed: fatal("fork failed: %.100s", strerror( (*__errno_location ()) )); | 0 |
| 239 | (*__errno_location ()) never executed: fatal("fork failed: %.100s", strerror( (*__errno_location ()) )); | 0 |
| 240 | )); never executed: fatal("fork failed: %.100s", strerror( (*__errno_location ()) )); | 0 |
| 241 | else | - |
| 242 | proxy_command_pid = pid; never executed: proxy_command_pid = pid; | 0 |
| 243 | | - |
| 244 | | - |
| 245 | close(pin[0]); | - |
| 246 | close(pout[1]); | - |
| 247 | | - |
| 248 | | - |
| 249 | free(command_string); | - |
| 250 | | - |
| 251 | | - |
| 252 | if (ssh_packet_set_connection(ssh, pout[0], pin[1]) == | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 253 | ((void *)0)| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 254 | ) | - |
| 255 | return never executed: return -1; -1;never executed: return -1; | 0 |
| 256 | | - |
| 257 | return never executed: return 0; 0;never executed: return 0; | 0 |
| 258 | } | - |
| 259 | | - |
| 260 | void | - |
| 261 | ssh_kill_proxy_command(void) | - |
| 262 | { | - |
| 263 | | - |
| 264 | | - |
| 265 | | - |
| 266 | | - |
| 267 | if (proxy_command_pid > 1| TRUE | never evaluated | | FALSE | never evaluated |
) | 0 |
| 268 | kill(proxy_command_pid, never executed: kill(proxy_command_pid, 1 ); | 0 |
| 269 | 1 never executed: kill(proxy_command_pid, 1 ); | 0 |
| 270 | ); never executed: kill(proxy_command_pid, 1 ); | 0 |
| 271 | } never executed: end of block | 0 |
| 272 | | - |
| 273 | | - |
| 274 | | - |
| 275 | | - |
| 276 | | - |
| 277 | | - |
| 278 | | - |
| 279 | static int | - |
| 280 | check_ifaddrs(const char *ifname, int af, const struct ifaddrs *ifaddrs, | - |
| 281 | struct sockaddr_storage *resultp, socklen_t *rlenp) | - |
| 282 | { | - |
| 283 | struct sockaddr_in6 *sa6; | - |
| 284 | struct sockaddr_in *sa; | - |
| 285 | struct in6_addr *v6addr; | - |
| 286 | const struct ifaddrs *ifa; | - |
| 287 | int allow_local; | - |
| 288 | | - |
| 289 | | - |
| 290 | | - |
| 291 | | - |
| 292 | | - |
| 293 | for (allow_local = 0; allow_local < 2| TRUE | never evaluated | | FALSE | never evaluated |
; allow_local++) { | 0 |
| 294 | for (ifa = ifaddrs; ifa != | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 295 | ((void *)0)| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 296 | ; ifa = ifa->ifa_next) { | - |
| 297 | if (ifa->ifa_addr == | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 298 | ((void *)0)| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 299 | || ifa->ifa_name == | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 300 | ((void *)0)| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 301 | || | - |
| 302 | (| TRUE | never evaluated | | FALSE | never evaluated |
ifa->ifa_flags & | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 303 | IFF_UP| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 304 | ) == 0| TRUE | never evaluated | | FALSE | never evaluated |
|| | 0 |
| 305 | ifa->ifa_addr->sa_family != af| TRUE | never evaluated | | FALSE | never evaluated |
|| | 0 |
| 306 | | - |
| 307 | __extension__ ({ size_t __s1_len, __s2_len; (__builtin_constant_p (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 308 | ifa->ifa_name| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 309 | ) && __builtin_constant_p (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 310 | options.bind_interface| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 311 | ) && (__s1_len = __builtin_strlen (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 312 | ifa->ifa_name| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 313 | ), __s2_len = __builtin_strlen (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 314 | options.bind_interface| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 315 | ), (!((size_t)(const void *)((| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 316 | ifa->ifa_name| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 317 | ) + 1) - (size_t)(const void *)(| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 318 | ifa->ifa_name| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 319 | ) == 1) || __s1_len >= 4) && (!((size_t)(const void *)((| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 320 | options.bind_interface| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 321 | ) + 1) - (size_t)(const void *)(| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 322 | options.bind_interface| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 323 | ) == 1) || __s2_len >= 4)) ? __builtin_strcmp (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 324 | ifa->ifa_name| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 325 | , | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 326 | options.bind_interface| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 327 | ) : (__builtin_constant_p (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 328 | ifa->ifa_name| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 329 | ) && ((size_t)(const void *)((| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 330 | ifa->ifa_name| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 331 | ) + 1) - (size_t)(const void *)(| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 332 | ifa->ifa_name| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 333 | ) == 1) && (__s1_len = __builtin_strlen (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 334 | ifa->ifa_name| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 335 | ), __s1_len < 4) ? (__builtin_constant_p (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 336 | options.bind_interface| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 337 | ) && ((size_t)(const void *)((| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 338 | options.bind_interface| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 339 | ) + 1) - (size_t)(const void *)(| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 340 | options.bind_interface| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 341 | ) == 1) ? __builtin_strcmp (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 342 | ifa->ifa_name| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 343 | , | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 344 | options.bind_interface| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 345 | ) : (__extension__ ({ const unsigned char *__s2 = (const unsigned char *) (const char *) (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 346 | options.bind_interface| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 347 | ); int __result = (((const unsigned char *) (const char *) (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 348 | ifa->ifa_name| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 349 | ))[0] - __s2[0]); if (__s1_len > 0| TRUE | never evaluated | | FALSE | never evaluated |
&& __result == 0| TRUE | never evaluated | | FALSE | never evaluated |
) { __result = (((const unsigned char *) (const char *) (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 350 | ifa->ifa_name| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 351 | ))[1] - __s2[1]); if (__s1_len > 1| TRUE | never evaluated | | FALSE | never evaluated |
&& __result == 0| TRUE | never evaluated | | FALSE | never evaluated |
) { __result = (((const unsigned char *) (const char *) (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 352 | ifa->ifa_name| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 353 | ))[2] - __s2[2]); if (__s1_len > 2| TRUE | never evaluated | | FALSE | never evaluated |
&& __result == 0| TRUE | never evaluated | | FALSE | never evaluated |
) __result = (((const unsigned char *) (const char *) (never executed: __result = (((const unsigned char *) (const char *) ( ifa->ifa_name ))[3] - __s2[3]); | 0 |
| 354 | ifa->ifa_name| TRUE | never evaluated | | FALSE | never evaluated |
never executed: __result = (((const unsigned char *) (const char *) ( ifa->ifa_name ))[3] - __s2[3]); | 0 |
| 355 | ))[3] - __s2[3]); } } __result; }))) : (__builtin_constant_p (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 356 | options.bind_interface| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 357 | ) && ((size_t)(const void *)((| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 358 | options.bind_interface| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 359 | ) + 1) - (size_t)(const void *)(| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 360 | options.bind_interface| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 361 | ) == 1) && (__s2_len = __builtin_strlen (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 362 | options.bind_interface| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 363 | ), __s2_len < 4) ? (__builtin_constant_p (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 364 | ifa->ifa_name| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 365 | ) && ((size_t)(const void *)((| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 366 | ifa->ifa_name| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 367 | ) + 1) - (size_t)(const void *)(| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 368 | ifa->ifa_name| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 369 | ) == 1) ? __builtin_strcmp (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 370 | ifa->ifa_name| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 371 | , | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 372 | options.bind_interface| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 373 | ) : -(__extension__ ({ const unsigned char *__s2 = (const unsigned char *) (const char *) (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 374 | ifa->ifa_name| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 375 | ); int __result = (((const unsigned char *) (const char *) (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 376 | options.bind_interface| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 377 | ))[0] - __s2[0]); if (__s2_len > 0| TRUE | never evaluated | | FALSE | never evaluated |
&& __result == 0| TRUE | never evaluated | | FALSE | never evaluated |
) { __result = (((const unsigned char *) (const char *) (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 378 | options.bind_interface| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 379 | ))[1] - __s2[1]); if (__s2_len > 1| TRUE | never evaluated | | FALSE | never evaluated |
&& __result == 0| TRUE | never evaluated | | FALSE | never evaluated |
) { __result = (((const unsigned char *) (const char *) (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 380 | options.bind_interface| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 381 | ))[2] - __s2[2]); if (__s2_len > 2| TRUE | never evaluated | | FALSE | never evaluated |
&& __result == 0| TRUE | never evaluated | | FALSE | never evaluated |
) __result = (((const unsigned char *) (const char *) (never executed: __result = (((const unsigned char *) (const char *) ( options.bind_interface ))[3] - __s2[3]); | 0 |
| 382 | options.bind_interface| TRUE | never evaluated | | FALSE | never evaluated |
never executed: __result = (((const unsigned char *) (const char *) ( options.bind_interface ))[3] - __s2[3]); | 0 |
| 383 | ))[3] - __s2[3]); } } __result; }))) : __builtin_strcmp (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 384 | ifa->ifa_name| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 385 | , | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 386 | options.bind_interface| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 387 | )))); }) | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 388 | != 0| TRUE | never evaluated | | FALSE | never evaluated |
) | 0 |
| 389 | continue; never executed: continue; | 0 |
| 390 | switch (ifa->ifa_addr->sa_family) { | - |
| 391 | case never executed: case 2 : never executed: case 2 : | 0 |
| 392 | 2 never executed: case 2 : | 0 |
| 393 | : never executed: case 2 : | 0 |
| 394 | sa = (struct sockaddr_in *)ifa->ifa_addr; | - |
| 395 | if (!allow_local| TRUE | never evaluated | | FALSE | never evaluated |
&& sa->sin_addr.s_addr ==| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 396 | | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 397 | __bswap_32 (((in_addr_t) 0x7f000001))| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 398 | ) | - |
| 399 | continue; never executed: continue; | 0 |
| 400 | if (*| TRUE | never evaluated | | FALSE | never evaluated |
rlenp < sizeof(struct sockaddr_in)| TRUE | never evaluated | | FALSE | never evaluated |
) { | 0 |
| 401 | error("%s: v4 addr doesn't fit", | - |
| 402 | __func__); | - |
| 403 | return never executed: return -1; -1;never executed: return -1; | 0 |
| 404 | } | - |
| 405 | *rlenp = sizeof(struct sockaddr_in); | - |
| 406 | memcpy(resultp, sa, *rlenp); | - |
| 407 | return never executed: return 0; 0;never executed: return 0; | 0 |
| 408 | case never executed: case 10 : never executed: case 10 : | 0 |
| 409 | 10 never executed: case 10 : | 0 |
| 410 | : never executed: case 10 : | 0 |
| 411 | sa6 = (struct sockaddr_in6 *)ifa->ifa_addr; | - |
| 412 | v6addr = &sa6->sin6_addr; | - |
| 413 | if (!allow_local| TRUE | never evaluated | | FALSE | never evaluated |
&& | 0 |
| 414 | ( | - |
| 415 | (| TRUE | never evaluated | | FALSE | never evaluated |
__extension__ ({ const struct in6_addr *__a = (const struct in6_addr *) (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 416 | v6addr| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 417 | ); (__a->__in6_u.__u6_addr32[0] & __bswap_32 (0xffc00000)) == __bswap_32 (0xfe800000); }))| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 418 | || | - |
| 419 | | - |
| 420 | (| TRUE | never evaluated | | FALSE | never evaluated |
__extension__ ({ const struct in6_addr *__a = (const struct in6_addr *) (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 421 | v6addr| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 422 | ); __a->__in6_u.__u6_addr32[0] == 0 && __a->__in6_u.__u6_addr32[1] == 0 && __a->__in6_u.__u6_addr32[2] == 0 && __a->__in6_u.__u6_addr32[3] == __bswap_32 (1); }))| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 423 | )) | - |
| 424 | continue; never executed: continue; | 0 |
| 425 | if (*| TRUE | never evaluated | | FALSE | never evaluated |
rlenp < sizeof(struct sockaddr_in6)| TRUE | never evaluated | | FALSE | never evaluated |
) { | 0 |
| 426 | error("%s: v6 addr doesn't fit", | - |
| 427 | __func__); | - |
| 428 | return never executed: return -1; -1;never executed: return -1; | 0 |
| 429 | } | - |
| 430 | *rlenp = sizeof(struct sockaddr_in6); | - |
| 431 | memcpy(resultp, sa6, *rlenp); | - |
| 432 | return never executed: return 0; 0;never executed: return 0; | 0 |
| 433 | } | - |
| 434 | } never executed: end of block | 0 |
| 435 | } never executed: end of block | 0 |
| 436 | return never executed: return -1; -1;never executed: return -1; | 0 |
| 437 | } | - |
| 438 | | - |
| 439 | | - |
| 440 | | - |
| 441 | | - |
| 442 | | - |
| 443 | static int | - |
| 444 | ssh_create_socket(struct addrinfo *ai) | - |
| 445 | { | - |
| 446 | int sock, r; | - |
| 447 | struct sockaddr_storage bindaddr; | - |
| 448 | socklen_t bindaddrlen = 0; | - |
| 449 | struct addrinfo hints, *res = | - |
| 450 | ((void *)0) | - |
| 451 | ; | - |
| 452 | | - |
| 453 | struct ifaddrs *ifaddrs = | - |
| 454 | ((void *)0) | - |
| 455 | ; | - |
| 456 | | - |
| 457 | char ntop[ | - |
| 458 | 1025 | - |
| 459 | ]; | - |
| 460 | | - |
| 461 | sock = socket(ai->ai_family, ai->ai_socktype, ai->ai_protocol); | - |
| 462 | if (sock < 0| TRUE | never evaluated | | FALSE | never evaluated |
) { | 0 |
| 463 | error("socket: %s", strerror( | - |
| 464 | (*__errno_location ()) | - |
| 465 | )); | - |
| 466 | return never executed: return -1; -1;never executed: return -1; | 0 |
| 467 | } | - |
| 468 | fcntl(sock, | - |
| 469 | 2 | - |
| 470 | , | - |
| 471 | 1 | - |
| 472 | ); | - |
| 473 | | - |
| 474 | | - |
| 475 | if (options.bind_address == | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 476 | ((void *)0)| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 477 | && options.bind_interface == | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 478 | ((void *)0)| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 479 | ) | - |
| 480 | return never executed: return sock; sock;never executed: return sock; | 0 |
| 481 | | - |
| 482 | if (options.bind_address != | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 483 | ((void *)0)| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 484 | ) { | - |
| 485 | memset(&hints, 0, sizeof(hints)); | - |
| 486 | hints.ai_family = ai->ai_family; | - |
| 487 | hints.ai_socktype = ai->ai_socktype; | - |
| 488 | hints.ai_protocol = ai->ai_protocol; | - |
| 489 | hints.ai_flags = | - |
| 490 | 0x0001 | - |
| 491 | ; | - |
| 492 | if ((| TRUE | never evaluated | | FALSE | never evaluated |
r = getaddrinfo(options.bind_address, | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 493 | ((void *)0)| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 494 | ,| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 495 | &hints, &res)) != 0| TRUE | never evaluated | | FALSE | never evaluated |
) { | 0 |
| 496 | error("getaddrinfo: %s: %s", options.bind_address, | - |
| 497 | ssh_gai_strerror(r)); | - |
| 498 | goto never executed: goto fail; fail;never executed: goto fail; | 0 |
| 499 | } | - |
| 500 | if (res == | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 501 | ((void *)0)| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 502 | ) { | - |
| 503 | error("getaddrinfo: no addrs"); | - |
| 504 | goto never executed: goto fail; fail;never executed: goto fail; | 0 |
| 505 | } | - |
| 506 | if (res->ai_addrlen > sizeof(bindaddr)| TRUE | never evaluated | | FALSE | never evaluated |
) { | 0 |
| 507 | error("%s: addr doesn't fit", __func__); | - |
| 508 | goto never executed: goto fail; fail;never executed: goto fail; | 0 |
| 509 | } | - |
| 510 | memcpy(&bindaddr, res->ai_addr, res->ai_addrlen); | - |
| 511 | bindaddrlen = res->ai_addrlen; | - |
| 512 | } never executed: end of block else if (options.bind_interface != | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 513 | ((void *)0)| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 514 | ) { | - |
| 515 | | - |
| 516 | if ((| TRUE | never evaluated | | FALSE | never evaluated |
r = getifaddrs(&ifaddrs)) != 0| TRUE | never evaluated | | FALSE | never evaluated |
) { | 0 |
| 517 | error("getifaddrs: %s: %s", options.bind_interface, | - |
| 518 | strerror( | - |
| 519 | (*__errno_location ()) | - |
| 520 | )); | - |
| 521 | goto never executed: goto fail; fail;never executed: goto fail; | 0 |
| 522 | } | - |
| 523 | bindaddrlen = sizeof(bindaddr); | - |
| 524 | if (check_ifaddrs(options.bind_interface, ai->ai_family,| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 525 | ifaddrs, &bindaddr, &bindaddrlen) != 0| TRUE | never evaluated | | FALSE | never evaluated |
) { | 0 |
| 526 | logit("getifaddrs: %s: no suitable addresses", | - |
| 527 | options.bind_interface); | - |
| 528 | goto never executed: goto fail; fail;never executed: goto fail; | 0 |
| 529 | } | - |
| 530 | | - |
| 531 | | - |
| 532 | | - |
| 533 | } never executed: end of block | 0 |
| 534 | if ((| TRUE | never evaluated | | FALSE | never evaluated |
r = getnameinfo((struct sockaddr *)&bindaddr, bindaddrlen,| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 535 | ntop, sizeof(ntop), | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 536 | ((void *)0)| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 537 | , 0, | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 538 | 1| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 539 | )) != 0| TRUE | never evaluated | | FALSE | never evaluated |
) { | 0 |
| 540 | error("%s: getnameinfo failed: %s", __func__, | - |
| 541 | ssh_gai_strerror(r)); | - |
| 542 | goto never executed: goto fail; fail;never executed: goto fail; | 0 |
| 543 | } | - |
| 544 | if (bind(sock, (struct sockaddr *)&bindaddr, bindaddrlen) != 0| TRUE | never evaluated | | FALSE | never evaluated |
) { | 0 |
| 545 | error("bind %s: %s", ntop, strerror( | - |
| 546 | (*__errno_location ()) | - |
| 547 | )); | - |
| 548 | goto never executed: goto fail; fail;never executed: goto fail; | 0 |
| 549 | } | - |
| 550 | debug("%s: bound to %s", __func__, ntop); | - |
| 551 | | - |
| 552 | goto never executed: goto out; out;never executed: goto out; | 0 |
| 553 | fail: | - |
| 554 | close(sock); | - |
| 555 | sock = -1; | - |
| 556 | out: code before this statement never executed: out: | 0 |
| 557 | if (res != | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 558 | ((void *)0)| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 559 | ) | - |
| 560 | freeaddrinfo(res); never executed: freeaddrinfo(res); | 0 |
| 561 | | - |
| 562 | if (ifaddrs != | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 563 | ((void *)0)| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 564 | ) | - |
| 565 | freeifaddrs(ifaddrs); never executed: freeifaddrs(ifaddrs); | 0 |
| 566 | | - |
| 567 | return never executed: return sock; sock;never executed: return sock; | 0 |
| 568 | } | - |
| 569 | | - |
| 570 | | - |
| 571 | | - |
| 572 | | - |
| 573 | | - |
| 574 | | - |
| 575 | static int | - |
| 576 | waitrfd(int fd, int *timeoutp) | - |
| 577 | { | - |
| 578 | struct pollfd pfd; | - |
| 579 | struct timeval t_start; | - |
| 580 | int oerrno, r; | - |
| 581 | | - |
| 582 | monotime_tv(&t_start); | - |
| 583 | pfd.fd = fd; | - |
| 584 | pfd.events = | - |
| 585 | 0x001 | - |
| 586 | ; | - |
| 587 | for (; *| TRUE | never evaluated | | FALSE | never evaluated |
timeoutp >= 0| TRUE | never evaluated | | FALSE | never evaluated |
;) { | 0 |
| 588 | r = poll(&pfd, 1, *timeoutp); | - |
| 589 | oerrno = | - |
| 590 | (*__errno_location ()) | - |
| 591 | ; | - |
| 592 | ms_subtract_diff(&t_start, timeoutp); | - |
| 593 | | - |
| 594 | (*__errno_location ()) | - |
| 595 | = oerrno; | - |
| 596 | if (r > 0| TRUE | never evaluated | | FALSE | never evaluated |
) | 0 |
| 597 | return never executed: return 0; 0;never executed: return 0; | 0 |
| 598 | else if (r == -1| TRUE | never evaluated | | FALSE | never evaluated |
&& | 0 |
| 599 | (*| TRUE | never evaluated | | FALSE | never evaluated |
__errno_location ()) | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 600 | != | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 601 | 11| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 602 | ) | - |
| 603 | return never executed: return -1; -1;never executed: return -1; | 0 |
| 604 | else if (r == 0| TRUE | never evaluated | | FALSE | never evaluated |
) | 0 |
| 605 | break; never executed: break; | 0 |
| 606 | } never executed: end of block | 0 |
| 607 | | - |
| 608 | | - |
| 609 | (*__errno_location ()) | - |
| 610 | = | - |
| 611 | 110 | - |
| 612 | ; | - |
| 613 | return never executed: return -1; -1;never executed: return -1; | 0 |
| 614 | } | - |
| 615 | | - |
| 616 | static int | - |
| 617 | timeout_connect(int sockfd, const struct sockaddr *serv_addr, | - |
| 618 | socklen_t addrlen, int *timeoutp) | - |
| 619 | { | - |
| 620 | int optval = 0; | - |
| 621 | socklen_t optlen = sizeof(optval); | - |
| 622 | | - |
| 623 | | - |
| 624 | if (*| TRUE | never evaluated | | FALSE | never evaluated |
timeoutp <= 0| TRUE | never evaluated | | FALSE | never evaluated |
) | 0 |
| 625 | return never executed: return connect(sockfd, serv_addr, addrlen); connect(sockfd, serv_addr, addrlen);never executed: return connect(sockfd, serv_addr, addrlen); | 0 |
| 626 | | - |
| 627 | set_nonblock(sockfd); | - |
| 628 | if (connect(sockfd, serv_addr, addrlen) == 0| TRUE | never evaluated | | FALSE | never evaluated |
) { | 0 |
| 629 | | - |
| 630 | unset_nonblock(sockfd); | - |
| 631 | return never executed: return 0; 0;never executed: return 0; | 0 |
| 632 | } else if ( | - |
| 633 | (*| TRUE | never evaluated | | FALSE | never evaluated |
__errno_location ()) | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 634 | != | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 635 | 115| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 636 | ) | - |
| 637 | return never executed: return -1; -1;never executed: return -1; | 0 |
| 638 | | - |
| 639 | if (waitrfd(sockfd, timeoutp) == -1| TRUE | never evaluated | | FALSE | never evaluated |
) | 0 |
| 640 | return never executed: return -1; -1;never executed: return -1; | 0 |
| 641 | | - |
| 642 | | - |
| 643 | if (getsockopt(sockfd, | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 644 | 1| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 645 | , | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 646 | 4| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 647 | , &optval, &optlen) == -1| TRUE | never evaluated | | FALSE | never evaluated |
) { | 0 |
| 648 | debug("getsockopt: %s", strerror( | - |
| 649 | (*__errno_location ()) | - |
| 650 | )); | - |
| 651 | return never executed: return -1; -1;never executed: return -1; | 0 |
| 652 | } | - |
| 653 | if (optval != 0| TRUE | never evaluated | | FALSE | never evaluated |
) { | 0 |
| 654 | | - |
| 655 | (*__errno_location ()) | - |
| 656 | = optval; | - |
| 657 | return never executed: return -1; -1;never executed: return -1; | 0 |
| 658 | } | - |
| 659 | unset_nonblock(sockfd); | - |
| 660 | return never executed: return 0; 0;never executed: return 0; | 0 |
| 661 | } | - |
| 662 | static int | - |
| 663 | ssh_connect_direct(struct ssh *ssh, const char *host, struct addrinfo *aitop, | - |
| 664 | struct sockaddr_storage *hostaddr, u_short port, int family, | - |
| 665 | int connection_attempts, int *timeout_ms, int want_keepalive) | - |
| 666 | { | - |
| 667 | int on = 1; | - |
| 668 | int oerrno, sock = -1, attempt; | - |
| 669 | char ntop[ | - |
| 670 | 1025 | - |
| 671 | ], strport[ | - |
| 672 | 32 | - |
| 673 | ]; | - |
| 674 | struct addrinfo *ai; | - |
| 675 | | - |
| 676 | debug2("%s", __func__); | - |
| 677 | memset(ntop, 0, sizeof(ntop)); | - |
| 678 | memset(strport, 0, sizeof(strport)); | - |
| 679 | | - |
| 680 | for (attempt = 0; attempt < connection_attempts| TRUE | never evaluated | | FALSE | never evaluated |
; attempt++) { | 0 |
| 681 | if (attempt > 0| TRUE | never evaluated | | FALSE | never evaluated |
) { | 0 |
| 682 | | - |
| 683 | sleep(1); | - |
| 684 | debug("Trying again..."); | - |
| 685 | } never executed: end of block | 0 |
| 686 | | - |
| 687 | | - |
| 688 | | - |
| 689 | | - |
| 690 | for (ai = aitop; ai| TRUE | never evaluated | | FALSE | never evaluated |
; ai = ai->ai_next) { | 0 |
| 691 | if (ai->ai_family != | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 692 | 2| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 693 | && | - |
| 694 | ai->ai_family != | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 695 | 10| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 696 | ) { | - |
| 697 | | - |
| 698 | (*__errno_location ()) | - |
| 699 | = | - |
| 700 | 97 | - |
| 701 | ; | - |
| 702 | continue; never executed: continue; | 0 |
| 703 | } | - |
| 704 | if (getnameinfo(ai->ai_addr, ai->ai_addrlen,| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 705 | ntop, sizeof(ntop), strport, sizeof(strport),| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 706 | | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 707 | 1| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 708 | || TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 709 | 2| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 710 | ) != 0| TRUE | never evaluated | | FALSE | never evaluated |
) { | 0 |
| 711 | oerrno = | - |
| 712 | (*__errno_location ()) | - |
| 713 | ; | - |
| 714 | error("%s: getnameinfo failed", __func__); | - |
| 715 | | - |
| 716 | (*__errno_location ()) | - |
| 717 | = oerrno; | - |
| 718 | continue; never executed: continue; | 0 |
| 719 | } | - |
| 720 | debug("Connecting to %.200s [%.100s] port %s.", | - |
| 721 | host, ntop, strport); | - |
| 722 | | - |
| 723 | | - |
| 724 | sock = ssh_create_socket(ai); | - |
| 725 | if (sock < 0| TRUE | never evaluated | | FALSE | never evaluated |
) { | 0 |
| 726 | | - |
| 727 | | - |
| 728 | (*__errno_location ()) | - |
| 729 | = 0; | - |
| 730 | continue; never executed: continue; | 0 |
| 731 | } | - |
| 732 | | - |
| 733 | if (timeout_connect(sock, ai->ai_addr, ai->ai_addrlen,| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 734 | timeout_ms) >= 0| TRUE | never evaluated | | FALSE | never evaluated |
) { | 0 |
| 735 | | - |
| 736 | memcpy(hostaddr, ai->ai_addr, ai->ai_addrlen); | - |
| 737 | break; never executed: break; | 0 |
| 738 | } else { | - |
| 739 | oerrno = | - |
| 740 | (*__errno_location ()) | - |
| 741 | ; | - |
| 742 | debug("connect to address %s port %s: %s", | - |
| 743 | ntop, strport, strerror( | - |
| 744 | (*__errno_location ()) | - |
| 745 | )); | - |
| 746 | close(sock); | - |
| 747 | sock = -1; | - |
| 748 | | - |
| 749 | (*__errno_location ()) | - |
| 750 | = oerrno; | - |
| 751 | } never executed: end of block | 0 |
| 752 | } | - |
| 753 | if (sock != -1| TRUE | never evaluated | | FALSE | never evaluated |
) | 0 |
| 754 | break; never executed: break; | 0 |
| 755 | } never executed: end of block | 0 |
| 756 | | - |
| 757 | | - |
| 758 | if (sock == -1| TRUE | never evaluated | | FALSE | never evaluated |
) { | 0 |
| 759 | error("ssh: connect to host %s port %s: %s", | - |
| 760 | host, strport, | - |
| 761 | (*__errno_location ()) | - |
| 762 | == 0 ? "failure" : strerror( | - |
| 763 | (*__errno_location ()) | - |
| 764 | )); | - |
| 765 | return never executed: return -1; -1;never executed: return -1; | 0 |
| 766 | } | - |
| 767 | | - |
| 768 | debug("Connection established."); | - |
| 769 | | - |
| 770 | | - |
| 771 | if (want_keepalive| TRUE | never evaluated | | FALSE | never evaluated |
&& | 0 |
| 772 | setsockopt(sock, | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 773 | 1| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 774 | , | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 775 | 9| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 776 | , (void *)&on,| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 777 | sizeof(on)) < 0| TRUE | never evaluated | | FALSE | never evaluated |
) | 0 |
| 778 | error("setsockopt SO_KEEPALIVE: %.100s", strerror( never executed: error("setsockopt SO_KEEPALIVE: %.100s", strerror( (*__errno_location ()) )); | 0 |
| 779 | (*__errno_location ()) never executed: error("setsockopt SO_KEEPALIVE: %.100s", strerror( (*__errno_location ()) )); | 0 |
| 780 | )); never executed: error("setsockopt SO_KEEPALIVE: %.100s", strerror( (*__errno_location ()) )); | 0 |
| 781 | | - |
| 782 | | - |
| 783 | if (ssh_packet_set_connection(ssh, sock, sock) == | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 784 | ((void *)0)| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 785 | ) | - |
| 786 | return never executed: return -1; -1;never executed: return -1; | 0 |
| 787 | | - |
| 788 | return never executed: return 0; 0;never executed: return 0; | 0 |
| 789 | } | - |
| 790 | | - |
| 791 | int | - |
| 792 | ssh_connect(struct ssh *ssh, const char *host, struct addrinfo *addrs, | - |
| 793 | struct sockaddr_storage *hostaddr, u_short port, int family, | - |
| 794 | int connection_attempts, int *timeout_ms, int want_keepalive) | - |
| 795 | { | - |
| 796 | if (options.proxy_command == | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 797 | ((void *)0)| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 798 | ) { | - |
| 799 | return never executed: return ssh_connect_direct(ssh, host, addrs, hostaddr, port, family, connection_attempts, timeout_ms, want_keepalive); ssh_connect_direct(ssh, host, addrs, hostaddr, port,never executed: return ssh_connect_direct(ssh, host, addrs, hostaddr, port, family, connection_attempts, timeout_ms, want_keepalive); | 0 |
| 800 | family, connection_attempts, timeout_ms, want_keepalive); never executed: return ssh_connect_direct(ssh, host, addrs, hostaddr, port, family, connection_attempts, timeout_ms, want_keepalive); | 0 |
| 801 | } else if ( | - |
| 802 | __extension__ ({ size_t __s1_len, __s2_len; (__builtin_constant_p (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 803 | options.proxy_command| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 804 | ) && __builtin_constant_p (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 805 | "-"| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 806 | ) && (__s1_len = __builtin_strlen (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 807 | options.proxy_command| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 808 | ), __s2_len = __builtin_strlen (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 809 | "-"| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 810 | ), (!((size_t)(const void *)((| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 811 | options.proxy_command| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 812 | ) + 1) - (size_t)(const void *)(| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 813 | options.proxy_command| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 814 | ) == 1) || __s1_len >= 4) && (!((size_t)(const void *)((| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 815 | "-"| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 816 | ) + 1) - (size_t)(const void *)(| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 817 | "-"| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 818 | ) == 1) || __s2_len >= 4)) ? __builtin_strcmp (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 819 | options.proxy_command| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 820 | , | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 821 | "-"| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 822 | ) : (__builtin_constant_p (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 823 | options.proxy_command| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 824 | ) && ((size_t)(const void *)((| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 825 | options.proxy_command| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 826 | ) + 1) - (size_t)(const void *)(| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 827 | options.proxy_command| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 828 | ) == 1) && (__s1_len = __builtin_strlen (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 829 | options.proxy_command| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 830 | ), __s1_len < 4) ? (__builtin_constant_p (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 831 | "-"| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 832 | ) && ((size_t)(const void *)((| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 833 | "-"| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 834 | ) + 1) - (size_t)(const void *)(| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 835 | "-"| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 836 | ) == 1) ? __builtin_strcmp (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 837 | options.proxy_command| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 838 | , | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 839 | "-"| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 840 | ) : (__extension__ ({ const unsigned char *__s2 = (const unsigned char *) (const char *) (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 841 | "-"| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 842 | ); int __result = (((const unsigned char *) (const char *) (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 843 | options.proxy_command| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 844 | ))[0] - __s2[0]); if (__s1_len > 0| TRUE | never evaluated | | FALSE | never evaluated |
&& __result == 0| TRUE | never evaluated | | FALSE | never evaluated |
) { __result = (((const unsigned char *) (const char *) (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 845 | options.proxy_command| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 846 | ))[1] - __s2[1]); if (__s1_len > 1| TRUE | never evaluated | | FALSE | never evaluated |
&& __result == 0| TRUE | never evaluated | | FALSE | never evaluated |
) { __result = (((const unsigned char *) (const char *) (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 847 | options.proxy_command| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 848 | ))[2] - __s2[2]); if (__s1_len > 2| TRUE | never evaluated | | FALSE | never evaluated |
&& __result == 0| TRUE | never evaluated | | FALSE | never evaluated |
) __result = (((const unsigned char *) (const char *) (never executed: __result = (((const unsigned char *) (const char *) ( options.proxy_command ))[3] - __s2[3]); | 0 |
| 849 | options.proxy_command| TRUE | never evaluated | | FALSE | never evaluated |
never executed: __result = (((const unsigned char *) (const char *) ( options.proxy_command ))[3] - __s2[3]); | 0 |
| 850 | ))[3] - __s2[3]); } } __result; }))) : (__builtin_constant_p (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 851 | "-"| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 852 | ) && ((size_t)(const void *)((| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 853 | "-"| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 854 | ) + 1) - (size_t)(const void *)(| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 855 | "-"| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 856 | ) == 1) && (__s2_len = __builtin_strlen (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 857 | "-"| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 858 | ), __s2_len < 4) ? (__builtin_constant_p (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 859 | options.proxy_command| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 860 | ) && ((size_t)(const void *)((| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 861 | options.proxy_command| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 862 | ) + 1) - (size_t)(const void *)(| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 863 | options.proxy_command| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 864 | ) == 1) ? __builtin_strcmp (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 865 | options.proxy_command| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 866 | , | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 867 | "-"| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 868 | ) : -(__extension__ ({ const unsigned char *__s2 = (const unsigned char *) (const char *) (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 869 | options.proxy_command| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 870 | ); int __result = (((const unsigned char *) (const char *) (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 871 | "-"| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 872 | ))[0] - __s2[0]); if (__s2_len > 0| TRUE | never evaluated | | FALSE | never evaluated |
&& __result == 0| TRUE | never evaluated | | FALSE | never evaluated |
) { __result = (((const unsigned char *) (const char *) (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 873 | "-"| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 874 | ))[1] - __s2[1]); if (__s2_len > 1| TRUE | never evaluated | | FALSE | never evaluated |
&& __result == 0| TRUE | never evaluated | | FALSE | never evaluated |
) { __result = (((const unsigned char *) (const char *) (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 875 | "-"| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 876 | ))[2] - __s2[2]); if (__s2_len > 2| TRUE | never evaluated | | FALSE | never evaluated |
&& __result == 0| TRUE | never evaluated | | FALSE | never evaluated |
) __result = (((const unsigned char *) (const char *) (never executed: __result = (((const unsigned char *) (const char *) ( "-" ))[3] - __s2[3]); | 0 |
| 877 | "-"| TRUE | never evaluated | | FALSE | never evaluated |
never executed: __result = (((const unsigned char *) (const char *) ( "-" ))[3] - __s2[3]); | 0 |
| 878 | ))[3] - __s2[3]); } } __result; }))) : __builtin_strcmp (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 879 | options.proxy_command| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 880 | , | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 881 | "-"| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 882 | )))); }) | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 883 | == 0| TRUE | never evaluated | | FALSE | never evaluated |
) { | 0 |
| 884 | if ((| TRUE | never evaluated | | FALSE | never evaluated |
ssh_packet_set_connection(ssh,| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 885 | | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 886 | 0| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 887 | , | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 888 | 1| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 889 | )) == | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 890 | ((void *)0)| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 891 | ) | - |
| 892 | return never executed: return -1; -1;never executed: return -1; | 0 |
| 893 | return never executed: return 0; 0;never executed: return 0; | 0 |
| 894 | } else if (options.proxy_use_fdpass| TRUE | never evaluated | | FALSE | never evaluated |
) { | 0 |
| 895 | return never executed: return ssh_proxy_fdpass_connect(ssh, host, port, options.proxy_command); ssh_proxy_fdpass_connect(ssh, host, port,never executed: return ssh_proxy_fdpass_connect(ssh, host, port, options.proxy_command); | 0 |
| 896 | options.proxy_command); never executed: return ssh_proxy_fdpass_connect(ssh, host, port, options.proxy_command); | 0 |
| 897 | } | - |
| 898 | return never executed: return ssh_proxy_connect(ssh, host, port, options.proxy_command); ssh_proxy_connect(ssh, host, port, options.proxy_command);never executed: return ssh_proxy_connect(ssh, host, port, options.proxy_command); | 0 |
| 899 | } | - |
| 900 | | - |
| 901 | static void | - |
| 902 | send_client_banner(int connection_out, int minor1) | - |
| 903 | { | - |
| 904 | | - |
| 905 | xasprintf(&client_version_string, "SSH-%d.%d-%.100s\r\n", | - |
| 906 | 2, 0, "OpenSSH_7.8"); | - |
| 907 | if (atomicio((ssize_t (*)(int, void *, size_t))write, connection_out, client_version_string,| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 908 | strlen(client_version_string)) != strlen(client_version_string)| TRUE | never evaluated | | FALSE | never evaluated |
) | 0 |
| 909 | fatal("write: %.100s", strerror( never executed: fatal("write: %.100s", strerror( (*__errno_location ()) )); | 0 |
| 910 | (*__errno_location ()) never executed: fatal("write: %.100s", strerror( (*__errno_location ()) )); | 0 |
| 911 | )); never executed: fatal("write: %.100s", strerror( (*__errno_location ()) )); | 0 |
| 912 | chop(client_version_string); | - |
| 913 | debug("Local version string %.100s", client_version_string); | - |
| 914 | } never executed: end of block | 0 |
| 915 | | - |
| 916 | | - |
| 917 | | - |
| 918 | | - |
| 919 | | - |
| 920 | void | - |
| 921 | ssh_exchange_identification(int timeout_ms) | - |
| 922 | { | - |
| 923 | char buf[256], remote_version[256]; | - |
| 924 | int remote_major, remote_minor, mismatch; | - |
| 925 | int connection_in = ssh_packet_get_connection_in(active_state); | - |
| 926 | int connection_out = ssh_packet_get_connection_out(active_state); | - |
| 927 | u_int i, n; | - |
| 928 | size_t len; | - |
| 929 | int rc; | - |
| 930 | | - |
| 931 | send_client_banner(connection_out, 0); | - |
| 932 | | - |
| 933 | | - |
| 934 | for (n = 0;;) { | - |
| 935 | for (i = 0; i < sizeof(buf) - 1| TRUE | never evaluated | | FALSE | never evaluated |
; i++) { | 0 |
| 936 | if (timeout_ms > 0| TRUE | never evaluated | | FALSE | never evaluated |
) { | 0 |
| 937 | rc = waitrfd(connection_in, &timeout_ms); | - |
| 938 | if (rc == -1| TRUE | never evaluated | | FALSE | never evaluated |
&& | 0 |
| 939 | (*| TRUE | never evaluated | | FALSE | never evaluated |
__errno_location ()) | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 940 | == | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 941 | 110| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 942 | ) { | - |
| 943 | fatal("Connection timed out during " | - |
| 944 | "banner exchange"); | - |
| 945 | } never executed: end of block else if (rc == -1| TRUE | never evaluated | | FALSE | never evaluated |
) { | 0 |
| 946 | fatal("%s: %s", | - |
| 947 | __func__, strerror( | - |
| 948 | (*__errno_location ()) | - |
| 949 | )); | - |
| 950 | } never executed: end of block | 0 |
| 951 | } never executed: end of block | 0 |
| 952 | | - |
| 953 | len = atomicio(read, connection_in, &buf[i], 1); | - |
| 954 | if (len != 1| TRUE | never evaluated | | FALSE | never evaluated |
&& | 0 |
| 955 | (*| TRUE | never evaluated | | FALSE | never evaluated |
__errno_location ()) | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 956 | == | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 957 | 32| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 958 | ) | - |
| 959 | fatal("ssh_exchange_identification: " never executed: fatal("ssh_exchange_identification: " "Connection closed by remote host"); | 0 |
| 960 | "Connection closed by remote host"); never executed: fatal("ssh_exchange_identification: " "Connection closed by remote host"); | 0 |
| 961 | else if (len != 1| TRUE | never evaluated | | FALSE | never evaluated |
) | 0 |
| 962 | fatal("ssh_exchange_identification: " never executed: fatal("ssh_exchange_identification: " "read: %.100s", strerror( (*__errno_location ()) )); | 0 |
| 963 | "read: %.100s", strerror( never executed: fatal("ssh_exchange_identification: " "read: %.100s", strerror( (*__errno_location ()) )); | 0 |
| 964 | (*__errno_location ()) never executed: fatal("ssh_exchange_identification: " "read: %.100s", strerror( (*__errno_location ()) )); | 0 |
| 965 | )); never executed: fatal("ssh_exchange_identification: " "read: %.100s", strerror( (*__errno_location ()) )); | 0 |
| 966 | if (buf[i] == '\r'| TRUE | never evaluated | | FALSE | never evaluated |
) { | 0 |
| 967 | buf[i] = '\n'; | - |
| 968 | buf[i + 1] = 0; | - |
| 969 | continue; never executed: continue; | 0 |
| 970 | } | - |
| 971 | if (buf[i] == '\n'| TRUE | never evaluated | | FALSE | never evaluated |
) { | 0 |
| 972 | buf[i + 1] = 0; | - |
| 973 | break; never executed: break; | 0 |
| 974 | } | - |
| 975 | if (++| TRUE | never evaluated | | FALSE | never evaluated |
n > 65536| TRUE | never evaluated | | FALSE | never evaluated |
) | 0 |
| 976 | fatal("ssh_exchange_identification: " never executed: fatal("ssh_exchange_identification: " "No banner received"); | 0 |
| 977 | "No banner received"); never executed: fatal("ssh_exchange_identification: " "No banner received"); | 0 |
| 978 | } never executed: end of block | 0 |
| 979 | buf[sizeof(buf) - 1] = 0; | - |
| 980 | if ( | - |
| 981 | (| TRUE | never evaluated | | FALSE | never evaluated |
__extension__ (__builtin_constant_p (| TRUE | never evaluated | | FALSE | never evaluated |
| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 982 | 4| TRUE | never evaluated | | FALSE | never evaluated |
| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 983 | )| TRUE | never evaluated | | FALSE | never evaluated |
&& ((__builtin_constant_p (| TRUE | never evaluated | | FALSE | never evaluated |
| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 984 | buf| TRUE | never evaluated | | FALSE | never evaluated |
| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 985 | )| TRUE | never evaluated | | FALSE | never evaluated |
&& strlen (| TRUE | never evaluated | | FALSE | never evaluated |
| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 986 | buf| TRUE | never evaluated | | FALSE | never evaluated |
| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 987 | ) < ((size_t) (| TRUE | never evaluated | | FALSE | never evaluated |
| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 988 | 4| TRUE | never evaluated | | FALSE | never evaluated |
| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 989 | ))| TRUE | never evaluated | | FALSE | never evaluated |
) || (__builtin_constant_p (| TRUE | never evaluated | | FALSE | never evaluated |
| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 990 | "SSH-"| TRUE | never evaluated | | FALSE | never evaluated |
| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 991 | )| TRUE | never evaluated | | FALSE | never evaluated |
&& strlen (| TRUE | never evaluated | | FALSE | never evaluated |
| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 992 | "SSH-"| TRUE | never evaluated | | FALSE | never evaluated |
| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 993 | ) < ((size_t) (| TRUE | never evaluated | | FALSE | never evaluated |
| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 994 | 4| TRUE | never evaluated | | FALSE | never evaluated |
| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 995 | ))| TRUE | never evaluated | | FALSE | never evaluated |
)) ? __extension__ ({ size_t __s1_len, __s2_len; (__builtin_constant_p (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 996 | buf| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 997 | ) && __builtin_constant_p (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 998 | "SSH-"| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 999 | ) && (__s1_len = __builtin_strlen (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1000 | buf| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1001 | ), __s2_len = __builtin_strlen (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1002 | "SSH-"| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1003 | ), (!((size_t)(const void *)((| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1004 | buf| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1005 | ) + 1) - (size_t)(const void *)(| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1006 | buf| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1007 | ) == 1) || __s1_len >= 4) && (!((size_t)(const void *)((| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1008 | "SSH-"| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1009 | ) + 1) - (size_t)(const void *)(| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1010 | "SSH-"| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1011 | ) == 1) || __s2_len >= 4)) ? __builtin_strcmp (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1012 | buf| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1013 | , | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1014 | "SSH-"| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1015 | ) : (__builtin_constant_p (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1016 | buf| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1017 | ) && ((size_t)(const void *)((| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1018 | buf| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1019 | ) + 1) - (size_t)(const void *)(| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1020 | buf| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1021 | ) == 1) && (__s1_len = __builtin_strlen (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1022 | buf| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1023 | ), __s1_len < 4) ? (__builtin_constant_p (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1024 | "SSH-"| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1025 | ) && ((size_t)(const void *)((| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1026 | "SSH-"| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1027 | ) + 1) - (size_t)(const void *)(| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1028 | "SSH-"| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1029 | ) == 1) ? __builtin_strcmp (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1030 | buf| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1031 | , | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1032 | "SSH-"| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1033 | ) : (__extension__ ({ const unsigned char *__s2 = (const unsigned char *) (const char *) (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1034 | "SSH-"| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1035 | ); int __result = (((const unsigned char *) (const char *) (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1036 | buf| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1037 | ))[0] - __s2[0]); if (__s1_len > 0| TRUE | never evaluated | | FALSE | never evaluated |
&& __result == 0| TRUE | never evaluated | | FALSE | never evaluated |
) { __result = (((const unsigned char *) (const char *) (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1038 | buf| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1039 | ))[1] - __s2[1]); if (__s1_len > 1| TRUE | never evaluated | | FALSE | never evaluated |
&& __result == 0| TRUE | never evaluated | | FALSE | never evaluated |
) { __result = (((const unsigned char *) (const char *) (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1040 | buf| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1041 | ))[2] - __s2[2]); if (__s1_len > 2| TRUE | never evaluated | | FALSE | never evaluated |
&& __result == 0| TRUE | never evaluated | | FALSE | never evaluated |
) __result = (((const unsigned char *) (const char *) (never executed: __result = (((const unsigned char *) (const char *) ( buf ))[3] - __s2[3]); | 0 |
| 1042 | buf| TRUE | never evaluated | | FALSE | never evaluated |
never executed: __result = (((const unsigned char *) (const char *) ( buf ))[3] - __s2[3]); | 0 |
| 1043 | ))[3] - __s2[3]); } } __result; }))) : (__builtin_constant_p (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1044 | "SSH-"| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1045 | ) && ((size_t)(const void *)((| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1046 | "SSH-"| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1047 | ) + 1) - (size_t)(const void *)(| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1048 | "SSH-"| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1049 | ) == 1) && (__s2_len = __builtin_strlen (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1050 | "SSH-"| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1051 | ), __s2_len < 4) ? (__builtin_constant_p (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1052 | buf| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1053 | ) && ((size_t)(const void *)((| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1054 | buf| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1055 | ) + 1) - (size_t)(const void *)(| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1056 | buf| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1057 | ) == 1) ? __builtin_strcmp (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1058 | buf| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1059 | , | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1060 | "SSH-"| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1061 | ) : -(__extension__ ({ const unsigned char *__s2 = (const unsigned char *) (const char *) (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1062 | buf| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1063 | ); int __result = (((const unsigned char *) (const char *) (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1064 | "SSH-"| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1065 | ))[0] - __s2[0]); if (__s2_len > 0| TRUE | never evaluated | | FALSE | never evaluated |
&& __result == 0| TRUE | never evaluated | | FALSE | never evaluated |
) { __result = (((const unsigned char *) (const char *) (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1066 | "SSH-"| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1067 | ))[1] - __s2[1]); if (__s2_len > 1| TRUE | never evaluated | | FALSE | never evaluated |
&& __result == 0| TRUE | never evaluated | | FALSE | never evaluated |
) { __result = (((const unsigned char *) (const char *) (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1068 | "SSH-"| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1069 | ))[2] - __s2[2]); if (__s2_len > 2| TRUE | never evaluated | | FALSE | never evaluated |
&& __result == 0| TRUE | never evaluated | | FALSE | never evaluated |
) __result = (((const unsigned char *) (const char *) (never executed: __result = (((const unsigned char *) (const char *) ( "SSH-" ))[3] - __s2[3]); | 0 |
| 1070 | "SSH-"| TRUE | never evaluated | | FALSE | never evaluated |
never executed: __result = (((const unsigned char *) (const char *) ( "SSH-" ))[3] - __s2[3]); | 0 |
| 1071 | ))[3] - __s2[3]); } } __result; }))) : __builtin_strcmp (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1072 | buf| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1073 | , | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1074 | "SSH-"| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1075 | )))); }) : strncmp (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1076 | buf| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1077 | , | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1078 | "SSH-"| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1079 | , | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1080 | 4| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1081 | ))) | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1082 | == 0| TRUE | never evaluated | | FALSE | never evaluated |
) | 0 |
| 1083 | break; never executed: break; | 0 |
| 1084 | debug("ssh_exchange_identification: %s", buf); | - |
| 1085 | } never executed: end of block | 0 |
| 1086 | server_version_string = xstrdup(buf); | - |
| 1087 | | - |
| 1088 | | - |
| 1089 | | - |
| 1090 | | - |
| 1091 | | - |
| 1092 | if (sscanf(server_version_string, "SSH-%d.%d-%[^\n]\n",| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1093 | &remote_major, &remote_minor, remote_version) != 3| TRUE | never evaluated | | FALSE | never evaluated |
) | 0 |
| 1094 | fatal("Bad remote protocol version identification: '%.100s'", buf); never executed: fatal("Bad remote protocol version identification: '%.100s'", buf); | 0 |
| 1095 | debug("Remote protocol version %d.%d, remote software version %.100s", | - |
| 1096 | remote_major, remote_minor, remote_version); | - |
| 1097 | | - |
| 1098 | active_state->compat = compat_datafellows(remote_version); | - |
| 1099 | mismatch = 0; | - |
| 1100 | | - |
| 1101 | switch (remote_major) { | - |
| 1102 | case never executed: case 2: 2:never executed: case 2: | 0 |
| 1103 | break; never executed: break; | 0 |
| 1104 | case never executed: case 1: 1:never executed: case 1: | 0 |
| 1105 | if (remote_minor != 99| TRUE | never evaluated | | FALSE | never evaluated |
) | 0 |
| 1106 | mismatch = 1; never executed: mismatch = 1; | 0 |
| 1107 | break; never executed: break; | 0 |
| 1108 | default never executed: default: :never executed: default: | 0 |
| 1109 | mismatch = 1; | - |
| 1110 | break; never executed: break; | 0 |
| 1111 | } | - |
| 1112 | if (mismatch| TRUE | never evaluated | | FALSE | never evaluated |
) | 0 |
| 1113 | fatal("Protocol major versions differ: %d vs. %d", never executed: fatal("Protocol major versions differ: %d vs. %d", 2, remote_major); | 0 |
| 1114 | 2, remote_major); never executed: fatal("Protocol major versions differ: %d vs. %d", 2, remote_major); | 0 |
| 1115 | if ((| TRUE | never evaluated | | FALSE | never evaluated |
datafellows & 0x00002000) != 0| TRUE | never evaluated | | FALSE | never evaluated |
) | 0 |
| 1116 | logit("Server version \"%.100s\" uses unsafe RSA signature " never executed: logit("Server version \"%.100s\" uses unsafe RSA signature " "scheme; disabling use of RSA keys", remote_version); | 0 |
| 1117 | "scheme; disabling use of RSA keys", remote_version); never executed: logit("Server version \"%.100s\" uses unsafe RSA signature " "scheme; disabling use of RSA keys", remote_version); | 0 |
| 1118 | chop(server_version_string); | - |
| 1119 | } never executed: end of block | 0 |
| 1120 | | - |
| 1121 | | - |
| 1122 | static int | - |
| 1123 | confirm(const char *prompt) | - |
| 1124 | { | - |
| 1125 | const char *msg, *again = "Please type 'yes' or 'no': "; | - |
| 1126 | char *p; | - |
| 1127 | int ret = -1; | - |
| 1128 | | - |
| 1129 | if (options.batch_mode| TRUE | never evaluated | | FALSE | never evaluated |
) | 0 |
| 1130 | return never executed: return 0; 0;never executed: return 0; | 0 |
| 1131 | for (msg = prompt;;msg = again) { | - |
| 1132 | p = read_passphrase(msg, 0x0001); | - |
| 1133 | if (p == | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1134 | ((void *)0)| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1135 | ) | - |
| 1136 | return never executed: return 0; 0;never executed: return 0; | 0 |
| 1137 | p[ | - |
| 1138 | __builtin_strcspn ( | - |
| 1139 | p | - |
| 1140 | , | - |
| 1141 | "\n" | - |
| 1142 | ) | - |
| 1143 | ] = '\0'; | - |
| 1144 | if (p[0] == '\0'| TRUE | never evaluated | | FALSE | never evaluated |
|| strcasecmp(p, "no") == 0| TRUE | never evaluated | | FALSE | never evaluated |
) | 0 |
| 1145 | ret = 0; never executed: ret = 0; | 0 |
| 1146 | else if (strcasecmp(p, "yes") == 0| TRUE | never evaluated | | FALSE | never evaluated |
) | 0 |
| 1147 | ret = 1; never executed: ret = 1; | 0 |
| 1148 | free(p); | - |
| 1149 | if (ret != -1| TRUE | never evaluated | | FALSE | never evaluated |
) | 0 |
| 1150 | return never executed: return ret; ret;never executed: return ret; | 0 |
| 1151 | } never executed: end of block | 0 |
| 1152 | } never executed: end of block | 0 |
| 1153 | | - |
| 1154 | static int | - |
| 1155 | check_host_cert(const char *host, const struct sshkey *key) | - |
| 1156 | { | - |
| 1157 | const char *reason; | - |
| 1158 | int r; | - |
| 1159 | | - |
| 1160 | if (sshkey_cert_check_authority(key, 1, 0, host, &reason) != 0| TRUE | never evaluated | | FALSE | never evaluated |
) { | 0 |
| 1161 | error("%s", reason); | - |
| 1162 | return never executed: return 0; 0;never executed: return 0; | 0 |
| 1163 | } | - |
| 1164 | if (sshbuf_len(key->cert->critical) != 0| TRUE | never evaluated | | FALSE | never evaluated |
) { | 0 |
| 1165 | error("Certificate for %s contains unsupported " | - |
| 1166 | "critical options(s)", host); | - |
| 1167 | return never executed: return 0; 0;never executed: return 0; | 0 |
| 1168 | } | - |
| 1169 | if ((| TRUE | never evaluated | | FALSE | never evaluated |
r = sshkey_check_cert_sigtype(key,| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1170 | options.ca_sign_algorithms)) != 0| TRUE | never evaluated | | FALSE | never evaluated |
) { | 0 |
| 1171 | logit("%s: certificate signature algorithm %s: %s", __func__, | - |
| 1172 | (key->cert == | - |
| 1173 | ((void *)0) | - |
| 1174 | || key->cert->signature_type == | - |
| 1175 | ((void *)0) | - |
| 1176 | ) ? | - |
| 1177 | "(null)" : key->cert->signature_type, ssh_err(r)); | - |
| 1178 | return never executed: return 0; 0;never executed: return 0; | 0 |
| 1179 | } | - |
| 1180 | | - |
| 1181 | return never executed: return 1; 1;never executed: return 1; | 0 |
| 1182 | } | - |
| 1183 | | - |
| 1184 | static int | - |
| 1185 | sockaddr_is_local(struct sockaddr *hostaddr) | - |
| 1186 | { | - |
| 1187 | switch (hostaddr->sa_family) { | - |
| 1188 | case never executed: case 2 : never executed: case 2 : | 0 |
| 1189 | 2 never executed: case 2 : | 0 |
| 1190 | : never executed: case 2 : | 0 |
| 1191 | return never executed: return ( __bswap_32 ( ((struct sockaddr_in *)hostaddr)-> sin_addr.s_addr ) >> 24) == 127 ; (never executed: return ( __bswap_32 ( ((struct sockaddr_in *)hostaddr)-> sin_addr.s_addr ) >> 24) == 127 ; | 0 |
| 1192 | __bswap_32 ( never executed: return ( __bswap_32 ( ((struct sockaddr_in *)hostaddr)-> sin_addr.s_addr ) >> 24) == 127 ; | 0 |
| 1193 | ((struct sockaddr_in *)hostaddr)-> sin_addr.s_addr never executed: return ( __bswap_32 ( ((struct sockaddr_in *)hostaddr)-> sin_addr.s_addr ) >> 24) == 127 ; | 0 |
| 1194 | ) never executed: return ( __bswap_32 ( ((struct sockaddr_in *)hostaddr)-> sin_addr.s_addr ) >> 24) == 127 ; | 0 |
| 1195 | never executed: return ( __bswap_32 ( ((struct sockaddr_in *)hostaddr)-> sin_addr.s_addr ) >> 24) == 127 ; | 0 |
| 1196 | >> 24) == never executed: return ( __bswap_32 ( ((struct sockaddr_in *)hostaddr)-> sin_addr.s_addr ) >> 24) == 127 ; | 0 |
| 1197 | 127 never executed: return ( __bswap_32 ( ((struct sockaddr_in *)hostaddr)-> sin_addr.s_addr ) >> 24) == 127 ; | 0 |
| 1198 | ; never executed: return ( __bswap_32 ( ((struct sockaddr_in *)hostaddr)-> sin_addr.s_addr ) >> 24) == 127 ; | 0 |
| 1199 | case never executed: case 10 : never executed: case 10 : | 0 |
| 1200 | 10 never executed: case 10 : | 0 |
| 1201 | : never executed: case 10 : | 0 |
| 1202 | return never executed: return (__extension__ ({ const struct in6_addr *__a = (const struct in6_addr *) ( &(((struct sockaddr_in6 *)hostaddr)->sin6_addr) ); __a->__in6_u.__u6_addr32[0] == 0 && __a->__in6_u.__u6_addr32[1] == 0 && __a->__in6_u.__u6_addr32[2] == 0 && __a->__in6_u.__u6_addr32[3] == __bswap_32 (1); })) ; never executed: return (__extension__ ({ const struct in6_addr *__a = (const struct in6_addr *) ( &(((struct sockaddr_in6 *)hostaddr)->sin6_addr) ); __a->__in6_u.__u6_addr32[0] == 0 && __a->__in6_u.__u6_addr32[1] == 0 && __a->__in6_u.__u6_addr32[2] == 0 && __a->__in6_u.__u6_addr32[3] == __bswap_32 (1); })) ; | 0 |
| 1203 | (__extension__ ({ const struct in6_addr *__a = (const struct in6_addr *) ( never executed: return (__extension__ ({ const struct in6_addr *__a = (const struct in6_addr *) ( &(((struct sockaddr_in6 *)hostaddr)->sin6_addr) ); __a->__in6_u.__u6_addr32[0] == 0 && __a->__in6_u.__u6_addr32[1] == 0 && __a->__in6_u.__u6_addr32[2] == 0 && __a->__in6_u.__u6_addr32[3] == __bswap_32 (1); })) ; | 0 |
| 1204 | &(((struct sockaddr_in6 *)hostaddr)->sin6_addr) never executed: return (__extension__ ({ const struct in6_addr *__a = (const struct in6_addr *) ( &(((struct sockaddr_in6 *)hostaddr)->sin6_addr) ); __a->__in6_u.__u6_addr32[0] == 0 && __a->__in6_u.__u6_addr32[1] == 0 && __a->__in6_u.__u6_addr32[2] == 0 && __a->__in6_u.__u6_addr32[3] == __bswap_32 (1); })) ; | 0 |
| 1205 | ); __a->__in6_u.__u6_addr32[0] == 0 && __a->__in6_u.__u6_addr32[1] == 0 && __a->__in6_u.__u6_addr32[2] == 0 && __a->__in6_u.__u6_addr32[3] == __bswap_32 (1); })) never executed: return (__extension__ ({ const struct in6_addr *__a = (const struct in6_addr *) ( &(((struct sockaddr_in6 *)hostaddr)->sin6_addr) ); __a->__in6_u.__u6_addr32[0] == 0 && __a->__in6_u.__u6_addr32[1] == 0 && __a->__in6_u.__u6_addr32[2] == 0 && __a->__in6_u.__u6_addr32[3] == __bswap_32 (1); })) ; | 0 |
| 1206 | never executed: return (__extension__ ({ const struct in6_addr *__a = (const struct in6_addr *) ( &(((struct sockaddr_in6 *)hostaddr)->sin6_addr) ); __a->__in6_u.__u6_addr32[0] == 0 && __a->__in6_u.__u6_addr32[1] == 0 && __a->__in6_u.__u6_addr32[2] == 0 && __a->__in6_u.__u6_addr32[3] == __bswap_32 (1); })) ; | 0 |
| 1207 | ; never executed: return (__extension__ ({ const struct in6_addr *__a = (const struct in6_addr *) ( &(((struct sockaddr_in6 *)hostaddr)->sin6_addr) ); __a->__in6_u.__u6_addr32[0] == 0 && __a->__in6_u.__u6_addr32[1] == 0 && __a->__in6_u.__u6_addr32[2] == 0 && __a->__in6_u.__u6_addr32[3] == __bswap_32 (1); })) ; | 0 |
| 1208 | default never executed: default: :never executed: default: | 0 |
| 1209 | return never executed: return 0; 0;never executed: return 0; | 0 |
| 1210 | } | - |
| 1211 | } | - |
| 1212 | | - |
| 1213 | | - |
| 1214 | | - |
| 1215 | | - |
| 1216 | | - |
| 1217 | void | - |
| 1218 | get_hostfile_hostname_ipaddr(char *hostname, struct sockaddr *hostaddr, | - |
| 1219 | u_short port, char **hostfile_hostname, char **hostfile_ipaddr) | - |
| 1220 | { | - |
| 1221 | char ntop[ | - |
| 1222 | 1025 | - |
| 1223 | ]; | - |
| 1224 | socklen_t addrlen; | - |
| 1225 | | - |
| 1226 | switch (hostaddr == | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1227 | ((void *)0)| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1228 | ? -1 : hostaddr->sa_family) { | - |
| 1229 | case never executed: case -1: -1:never executed: case -1: | 0 |
| 1230 | addrlen = 0; | - |
| 1231 | break; never executed: break; | 0 |
| 1232 | case never executed: case 2 : never executed: case 2 : | 0 |
| 1233 | 2 never executed: case 2 : | 0 |
| 1234 | : never executed: case 2 : | 0 |
| 1235 | addrlen = sizeof(struct sockaddr_in); | - |
| 1236 | break; never executed: break; | 0 |
| 1237 | case never executed: case 10 : never executed: case 10 : | 0 |
| 1238 | 10 never executed: case 10 : | 0 |
| 1239 | : never executed: case 10 : | 0 |
| 1240 | addrlen = sizeof(struct sockaddr_in6); | - |
| 1241 | break; never executed: break; | 0 |
| 1242 | default never executed: default: :never executed: default: | 0 |
| 1243 | addrlen = sizeof(struct sockaddr); | - |
| 1244 | break; never executed: break; | 0 |
| 1245 | } | - |
| 1246 | | - |
| 1247 | | - |
| 1248 | | - |
| 1249 | | - |
| 1250 | | - |
| 1251 | if (hostfile_ipaddr != | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1252 | ((void *)0)| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1253 | ) { | - |
| 1254 | if (options.proxy_command == | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1255 | ((void *)0)| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1256 | ) { | - |
| 1257 | if (getnameinfo(hostaddr, addrlen,| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1258 | ntop, sizeof(ntop), | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1259 | ((void *)0)| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1260 | , 0, | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1261 | 1| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1262 | ) != 0| TRUE | never evaluated | | FALSE | never evaluated |
) | 0 |
| 1263 | fatal("%s: getnameinfo failed", __func__); never executed: fatal("%s: getnameinfo failed", __func__); | 0 |
| 1264 | *hostfile_ipaddr = put_host_port(ntop, port); | - |
| 1265 | } never executed: end of block else { | 0 |
| 1266 | *hostfile_ipaddr = xstrdup("<no hostip for proxy " | - |
| 1267 | "command>"); | - |
| 1268 | } never executed: end of block | 0 |
| 1269 | } | - |
| 1270 | | - |
| 1271 | | - |
| 1272 | | - |
| 1273 | | - |
| 1274 | | - |
| 1275 | | - |
| 1276 | | - |
| 1277 | if (hostfile_hostname != | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1278 | ((void *)0)| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1279 | ) { | - |
| 1280 | if (options.host_key_alias != | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1281 | ((void *)0)| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1282 | ) { | - |
| 1283 | *hostfile_hostname = xstrdup(options.host_key_alias); | - |
| 1284 | debug("using hostkeyalias: %s", *hostfile_hostname); | - |
| 1285 | } never executed: end of block else { | 0 |
| 1286 | *hostfile_hostname = put_host_port(hostname, port); | - |
| 1287 | } never executed: end of block | 0 |
| 1288 | } | - |
| 1289 | } never executed: end of block | 0 |
| 1290 | static int | - |
| 1291 | check_host_key(char *hostname, struct sockaddr *hostaddr, u_short port, | - |
| 1292 | struct sshkey *host_key, int readonly, | - |
| 1293 | char **user_hostfiles, u_int num_user_hostfiles, | - |
| 1294 | char **system_hostfiles, u_int num_system_hostfiles) | - |
| 1295 | { | - |
| 1296 | HostStatus host_status; | - |
| 1297 | HostStatus ip_status; | - |
| 1298 | struct sshkey *raw_key = | - |
| 1299 | ((void *)0) | - |
| 1300 | ; | - |
| 1301 | char *ip = | - |
| 1302 | ((void *)0) | - |
| 1303 | , *host = | - |
| 1304 | ((void *)0) | - |
| 1305 | ; | - |
| 1306 | char hostline[1000], *hostp, *fp, *ra; | - |
| 1307 | char msg[1024]; | - |
| 1308 | const char *type; | - |
| 1309 | const struct hostkey_entry *host_found, *ip_found; | - |
| 1310 | int len, cancelled_forwarding = 0; | - |
| 1311 | int local = sockaddr_is_local(hostaddr); | - |
| 1312 | int r, want_cert = sshkey_is_cert(host_key), host_ip_differ = 0; | - |
| 1313 | int hostkey_trusted = 0; | - |
| 1314 | struct hostkeys *host_hostkeys, *ip_hostkeys; | - |
| 1315 | u_int i; | - |
| 1316 | if (options.no_host_authentication_for_localhost == 1| TRUE | never evaluated | | FALSE | never evaluated |
&& local| TRUE | never evaluated | | FALSE | never evaluated |
&& | 0 |
| 1317 | options.host_key_alias == | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1318 | ((void *)0)| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1319 | ) { | - |
| 1320 | debug("Forcing accepting of host key for " | - |
| 1321 | "loopback/localhost."); | - |
| 1322 | return never executed: return 0; 0;never executed: return 0; | 0 |
| 1323 | } | - |
| 1324 | | - |
| 1325 | | - |
| 1326 | | - |
| 1327 | | - |
| 1328 | | - |
| 1329 | get_hostfile_hostname_ipaddr(hostname, hostaddr, port, &host, &ip); | - |
| 1330 | | - |
| 1331 | | - |
| 1332 | | - |
| 1333 | | - |
| 1334 | | - |
| 1335 | if (options.check_host_ip| TRUE | never evaluated | | FALSE | never evaluated |
&& (local| TRUE | never evaluated | | FALSE | never evaluated |
|| | 0 |
| 1336 | | - |
| 1337 | __extension__ ({ size_t __s1_len, __s2_len; (__builtin_constant_p (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1338 | hostname| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1339 | ) && __builtin_constant_p (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1340 | ip| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1341 | ) && (__s1_len = __builtin_strlen (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1342 | hostname| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1343 | ), __s2_len = __builtin_strlen (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1344 | ip| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1345 | ), (!((size_t)(const void *)((| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1346 | hostname| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1347 | ) + 1) - (size_t)(const void *)(| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1348 | hostname| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1349 | ) == 1) || __s1_len >= 4) && (!((size_t)(const void *)((| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1350 | ip| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1351 | ) + 1) - (size_t)(const void *)(| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1352 | ip| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1353 | ) == 1) || __s2_len >= 4)) ? __builtin_strcmp (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1354 | hostname| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1355 | , | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1356 | ip| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1357 | ) : (__builtin_constant_p (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1358 | hostname| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1359 | ) && ((size_t)(const void *)((| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1360 | hostname| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1361 | ) + 1) - (size_t)(const void *)(| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1362 | hostname| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1363 | ) == 1) && (__s1_len = __builtin_strlen (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1364 | hostname| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1365 | ), __s1_len < 4) ? (__builtin_constant_p (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1366 | ip| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1367 | ) && ((size_t)(const void *)((| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1368 | ip| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1369 | ) + 1) - (size_t)(const void *)(| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1370 | ip| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1371 | ) == 1) ? __builtin_strcmp (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1372 | hostname| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1373 | , | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1374 | ip| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1375 | ) : (__extension__ ({ const unsigned char *__s2 = (const unsigned char *) (const char *) (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1376 | ip| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1377 | ); int __result = (((const unsigned char *) (const char *) (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1378 | hostname| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1379 | ))[0] - __s2[0]); if (__s1_len > 0| TRUE | never evaluated | | FALSE | never evaluated |
&& __result == 0| TRUE | never evaluated | | FALSE | never evaluated |
) { __result = (((const unsigned char *) (const char *) (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1380 | hostname| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1381 | ))[1] - __s2[1]); if (__s1_len > 1| TRUE | never evaluated | | FALSE | never evaluated |
&& __result == 0| TRUE | never evaluated | | FALSE | never evaluated |
) { __result = (((const unsigned char *) (const char *) (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1382 | hostname| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1383 | ))[2] - __s2[2]); if (__s1_len > 2| TRUE | never evaluated | | FALSE | never evaluated |
&& __result == 0| TRUE | never evaluated | | FALSE | never evaluated |
) __result = (((const unsigned char *) (const char *) (never executed: __result = (((const unsigned char *) (const char *) ( hostname ))[3] - __s2[3]); | 0 |
| 1384 | hostname| TRUE | never evaluated | | FALSE | never evaluated |
never executed: __result = (((const unsigned char *) (const char *) ( hostname ))[3] - __s2[3]); | 0 |
| 1385 | ))[3] - __s2[3]); } } __result; }))) : (__builtin_constant_p (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1386 | ip| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1387 | ) && ((size_t)(const void *)((| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1388 | ip| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1389 | ) + 1) - (size_t)(const void *)(| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1390 | ip| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1391 | ) == 1) && (__s2_len = __builtin_strlen (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1392 | ip| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1393 | ), __s2_len < 4) ? (__builtin_constant_p (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1394 | hostname| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1395 | ) && ((size_t)(const void *)((| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1396 | hostname| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1397 | ) + 1) - (size_t)(const void *)(| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1398 | hostname| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1399 | ) == 1) ? __builtin_strcmp (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1400 | hostname| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1401 | , | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1402 | ip| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1403 | ) : -(__extension__ ({ const unsigned char *__s2 = (const unsigned char *) (const char *) (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1404 | hostname| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1405 | ); int __result = (((const unsigned char *) (const char *) (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1406 | ip| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1407 | ))[0] - __s2[0]); if (__s2_len > 0| TRUE | never evaluated | | FALSE | never evaluated |
&& __result == 0| TRUE | never evaluated | | FALSE | never evaluated |
) { __result = (((const unsigned char *) (const char *) (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1408 | ip| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1409 | ))[1] - __s2[1]); if (__s2_len > 1| TRUE | never evaluated | | FALSE | never evaluated |
&& __result == 0| TRUE | never evaluated | | FALSE | never evaluated |
) { __result = (((const unsigned char *) (const char *) (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1410 | ip| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1411 | ))[2] - __s2[2]); if (__s2_len > 2| TRUE | never evaluated | | FALSE | never evaluated |
&& __result == 0| TRUE | never evaluated | | FALSE | never evaluated |
) __result = (((const unsigned char *) (const char *) (never executed: __result = (((const unsigned char *) (const char *) ( ip ))[3] - __s2[3]); | 0 |
| 1412 | ip| TRUE | never evaluated | | FALSE | never evaluated |
never executed: __result = (((const unsigned char *) (const char *) ( ip ))[3] - __s2[3]); | 0 |
| 1413 | ))[3] - __s2[3]); } } __result; }))) : __builtin_strcmp (| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1414 | hostname| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1415 | , | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1416 | ip| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1417 | )))); }) | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1418 | == 0| TRUE | never evaluated | | FALSE | never evaluated |
|| options.proxy_command != | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1419 | ((void *)0)| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1420 | )) | - |
| 1421 | options.check_host_ip = 0; never executed: options.check_host_ip = 0; | 0 |
| 1422 | | - |
| 1423 | host_hostkeys = init_hostkeys(); | - |
| 1424 | for (i = 0; i < num_user_hostfiles| TRUE | never evaluated | | FALSE | never evaluated |
; i++) | 0 |
| 1425 | load_hostkeys(host_hostkeys, host, user_hostfiles[i]); never executed: load_hostkeys(host_hostkeys, host, user_hostfiles[i]); | 0 |
| 1426 | for (i = 0; i < num_system_hostfiles| TRUE | never evaluated | | FALSE | never evaluated |
; i++) | 0 |
| 1427 | load_hostkeys(host_hostkeys, host, system_hostfiles[i]); never executed: load_hostkeys(host_hostkeys, host, system_hostfiles[i]); | 0 |
| 1428 | | - |
| 1429 | ip_hostkeys = | - |
| 1430 | ((void *)0) | - |
| 1431 | ; | - |
| 1432 | if (!want_cert| TRUE | never evaluated | | FALSE | never evaluated |
&& options.check_host_ip| TRUE | never evaluated | | FALSE | never evaluated |
) { | 0 |
| 1433 | ip_hostkeys = init_hostkeys(); | - |
| 1434 | for (i = 0; i < num_user_hostfiles| TRUE | never evaluated | | FALSE | never evaluated |
; i++) | 0 |
| 1435 | load_hostkeys(ip_hostkeys, ip, user_hostfiles[i]); never executed: load_hostkeys(ip_hostkeys, ip, user_hostfiles[i]); | 0 |
| 1436 | for (i = 0; i < num_system_hostfiles| TRUE | never evaluated | | FALSE | never evaluated |
; i++) | 0 |
| 1437 | load_hostkeys(ip_hostkeys, ip, system_hostfiles[i]); never executed: load_hostkeys(ip_hostkeys, ip, system_hostfiles[i]); | 0 |
| 1438 | } never executed: end of block | 0 |
| 1439 | | - |
| 1440 | retry: code before this statement never executed: retry: | 0 |
| 1441 | | - |
| 1442 | want_cert = sshkey_is_cert(host_key); | - |
| 1443 | type = sshkey_type(host_key); | - |
| 1444 | | - |
| 1445 | | - |
| 1446 | | - |
| 1447 | | - |
| 1448 | | - |
| 1449 | host_status = check_key_in_hostkeys(host_hostkeys, host_key, | - |
| 1450 | &host_found); | - |
| 1451 | | - |
| 1452 | | - |
| 1453 | | - |
| 1454 | | - |
| 1455 | | - |
| 1456 | | - |
| 1457 | if (!want_cert| TRUE | never evaluated | | FALSE | never evaluated |
&& ip_hostkeys != | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1458 | ((void *)0)| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1459 | ) { | - |
| 1460 | ip_status = check_key_in_hostkeys(ip_hostkeys, host_key, | - |
| 1461 | &ip_found); | - |
| 1462 | if (host_status == HOST_CHANGED| TRUE | never evaluated | | FALSE | never evaluated |
&& | 0 |
| 1463 | (ip_status != HOST_CHANGED| TRUE | never evaluated | | FALSE | never evaluated |
|| | 0 |
| 1464 | (ip_found != | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1465 | ((void *)0)| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1466 | && | - |
| 1467 | !sshkey_equal(ip_found->key, host_found->key)| TRUE | never evaluated | | FALSE | never evaluated |
))) | 0 |
| 1468 | host_ip_differ = 1; never executed: host_ip_differ = 1; | 0 |
| 1469 | } never executed: end of block else | 0 |
| 1470 | ip_status = host_status; never executed: ip_status = host_status; | 0 |
| 1471 | | - |
| 1472 | switch (host_status) { | - |
| 1473 | case never executed: case HOST_OK: HOST_OK:never executed: case HOST_OK: | 0 |
| 1474 | | - |
| 1475 | debug("Host '%.200s' is known and matches the %s host %s.", | - |
| 1476 | host, type, want_cert ? "certificate" : "key"); | - |
| 1477 | debug("Found %s in %s:%lu", want_cert ? "CA key" : "key", | - |
| 1478 | host_found->file, host_found->line); | - |
| 1479 | if (want_cert| TRUE | never evaluated | | FALSE | never evaluated |
&& | 0 |
| 1480 | !check_host_cert(options.host_key_alias == | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1481 | ((void *)0) | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1482 | ?| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1483 | hostname : options.host_key_alias, host_key)| TRUE | never evaluated | | FALSE | never evaluated |
) | 0 |
| 1484 | goto never executed: goto fail; fail;never executed: goto fail; | 0 |
| 1485 | if (options.check_host_ip| TRUE | never evaluated | | FALSE | never evaluated |
&& ip_status == HOST_NEW| TRUE | never evaluated | | FALSE | never evaluated |
) { | 0 |
| 1486 | if (readonly| TRUE | never evaluated | | FALSE | never evaluated |
|| want_cert| TRUE | never evaluated | | FALSE | never evaluated |
) | 0 |
| 1487 | logit("%s host key for IP address " never executed: logit("%s host key for IP address " "'%.128s' not in list of known hosts.", type, ip); | 0 |
| 1488 | "'%.128s' not in list of known hosts.", never executed: logit("%s host key for IP address " "'%.128s' not in list of known hosts.", type, ip); | 0 |
| 1489 | type, ip); never executed: logit("%s host key for IP address " "'%.128s' not in list of known hosts.", type, ip); | 0 |
| 1490 | else if (!add_host_to_hostfile(user_hostfiles[0], ip,| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1491 | host_key, options.hash_known_hosts)| TRUE | never evaluated | | FALSE | never evaluated |
) | 0 |
| 1492 | logit("Failed to add the %s host key for IP " never executed: logit("Failed to add the %s host key for IP " "address '%.128s' to the list of known " "hosts (%.500s).", type, ip, user_hostfiles[0]); | 0 |
| 1493 | "address '%.128s' to the list of known " never executed: logit("Failed to add the %s host key for IP " "address '%.128s' to the list of known " "hosts (%.500s).", type, ip, user_hostfiles[0]); | 0 |
| 1494 | "hosts (%.500s).", type, ip, never executed: logit("Failed to add the %s host key for IP " "address '%.128s' to the list of known " "hosts (%.500s).", type, ip, user_hostfiles[0]); | 0 |
| 1495 | user_hostfiles[0]); never executed: logit("Failed to add the %s host key for IP " "address '%.128s' to the list of known " "hosts (%.500s).", type, ip, user_hostfiles[0]); | 0 |
| 1496 | else | - |
| 1497 | logit("Warning: Permanently added the %s host " never executed: logit("Warning: Permanently added the %s host " "key for IP address '%.128s' to the list " "of known hosts.", type, ip); | 0 |
| 1498 | "key for IP address '%.128s' to the list " never executed: logit("Warning: Permanently added the %s host " "key for IP address '%.128s' to the list " "of known hosts.", type, ip); | 0 |
| 1499 | "of known hosts.", type, ip); never executed: logit("Warning: Permanently added the %s host " "key for IP address '%.128s' to the list " "of known hosts.", type, ip); | 0 |
| 1500 | } else if (options.visual_host_key| TRUE | never evaluated | | FALSE | never evaluated |
) { | 0 |
| 1501 | fp = sshkey_fingerprint(host_key, | - |
| 1502 | options.fingerprint_hash, SSH_FP_DEFAULT); | - |
| 1503 | ra = sshkey_fingerprint(host_key, | - |
| 1504 | options.fingerprint_hash, SSH_FP_RANDOMART); | - |
| 1505 | if (fp == | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1506 | ((void *)0)| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1507 | || ra == | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1508 | ((void *)0)| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1509 | ) | - |
| 1510 | fatal("%s: sshkey_fingerprint fail", __func__); never executed: fatal("%s: sshkey_fingerprint fail", __func__); | 0 |
| 1511 | logit("Host key fingerprint is %s\n%s", fp, ra); | - |
| 1512 | free(ra); | - |
| 1513 | free(fp); | - |
| 1514 | } never executed: end of block | 0 |
| 1515 | hostkey_trusted = 1; | - |
| 1516 | break; never executed: break; | 0 |
| 1517 | case never executed: case HOST_NEW: HOST_NEW:never executed: case HOST_NEW: | 0 |
| 1518 | if (options.host_key_alias == | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1519 | ((void *)0)| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1520 | && port != 0| TRUE | never evaluated | | FALSE | never evaluated |
&& | 0 |
| 1521 | port != 22| TRUE | never evaluated | | FALSE | never evaluated |
) { | 0 |
| 1522 | debug("checking without port identifier"); | - |
| 1523 | if (check_host_key(hostname, hostaddr, 0, host_key,| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1524 | 2, user_hostfiles, num_user_hostfiles,| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1525 | system_hostfiles, num_system_hostfiles) == 0| TRUE | never evaluated | | FALSE | never evaluated |
) { | 0 |
| 1526 | debug("found matching key w/out port"); | - |
| 1527 | break; never executed: break; | 0 |
| 1528 | } | - |
| 1529 | } never executed: end of block | 0 |
| 1530 | if (readonly| TRUE | never evaluated | | FALSE | never evaluated |
|| want_cert| TRUE | never evaluated | | FALSE | never evaluated |
) | 0 |
| 1531 | goto never executed: goto fail; fail;never executed: goto fail; | 0 |
| 1532 | | - |
| 1533 | if (options.strict_host_key_checking ==| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1534 | 2| TRUE | never evaluated | | FALSE | never evaluated |
) { | 0 |
| 1535 | | - |
| 1536 | | - |
| 1537 | | - |
| 1538 | | - |
| 1539 | | - |
| 1540 | error("No %s host key is known for %.200s and you " | - |
| 1541 | "have requested strict checking.", type, host); | - |
| 1542 | goto never executed: goto fail; fail;never executed: goto fail; | 0 |
| 1543 | } else if (options.strict_host_key_checking ==| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1544 | 3| TRUE | never evaluated | | FALSE | never evaluated |
) { | 0 |
| 1545 | char msg1[1024], msg2[1024]; | - |
| 1546 | | - |
| 1547 | if (show_other_keys(host_hostkeys, host_key)| TRUE | never evaluated | | FALSE | never evaluated |
) | 0 |
| 1548 | snprintf(msg1, sizeof(msg1), never executed: snprintf(msg1, sizeof(msg1), "\nbut keys of different type are already" " known for this host."); | 0 |
| 1549 | "\nbut keys of different type are already" never executed: snprintf(msg1, sizeof(msg1), "\nbut keys of different type are already" " known for this host."); | 0 |
| 1550 | " known for this host."); never executed: snprintf(msg1, sizeof(msg1), "\nbut keys of different type are already" " known for this host."); | 0 |
| 1551 | else | - |
| 1552 | snprintf(msg1, sizeof(msg1), "."); never executed: snprintf(msg1, sizeof(msg1), "."); | 0 |
| 1553 | | - |
| 1554 | fp = sshkey_fingerprint(host_key, | - |
| 1555 | options.fingerprint_hash, SSH_FP_DEFAULT); | - |
| 1556 | ra = sshkey_fingerprint(host_key, | - |
| 1557 | options.fingerprint_hash, SSH_FP_RANDOMART); | - |
| 1558 | if (fp == | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1559 | ((void *)0)| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1560 | || ra == | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1561 | ((void *)0)| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1562 | ) | - |
| 1563 | fatal("%s: sshkey_fingerprint fail", __func__); never executed: fatal("%s: sshkey_fingerprint fail", __func__); | 0 |
| 1564 | msg2[0] = '\0'; | - |
| 1565 | if (options.verify_host_key_dns| TRUE | never evaluated | | FALSE | never evaluated |
) { | 0 |
| 1566 | if (matching_host_key_dns| TRUE | never evaluated | | FALSE | never evaluated |
) | 0 |
| 1567 | snprintf(msg2, sizeof(msg2), never executed: snprintf(msg2, sizeof(msg2), "Matching host key fingerprint" " found in DNS.\n"); | 0 |
| 1568 | "Matching host key fingerprint" never executed: snprintf(msg2, sizeof(msg2), "Matching host key fingerprint" " found in DNS.\n"); | 0 |
| 1569 | " found in DNS.\n"); never executed: snprintf(msg2, sizeof(msg2), "Matching host key fingerprint" " found in DNS.\n"); | 0 |
| 1570 | else | - |
| 1571 | snprintf(msg2, sizeof(msg2), never executed: snprintf(msg2, sizeof(msg2), "No matching host key fingerprint" " found in DNS.\n"); | 0 |
| 1572 | "No matching host key fingerprint" never executed: snprintf(msg2, sizeof(msg2), "No matching host key fingerprint" " found in DNS.\n"); | 0 |
| 1573 | " found in DNS.\n"); never executed: snprintf(msg2, sizeof(msg2), "No matching host key fingerprint" " found in DNS.\n"); | 0 |
| 1574 | } | - |
| 1575 | snprintf(msg, sizeof(msg), | - |
| 1576 | "The authenticity of host '%.200s (%s)' can't be " | - |
| 1577 | "established%s\n" | - |
| 1578 | "%s key fingerprint is %s.%s%s\n%s" | - |
| 1579 | "Are you sure you want to continue connecting " | - |
| 1580 | "(yes/no)? ", | - |
| 1581 | host, ip, msg1, type, fp, | - |
| 1582 | options.visual_host_key ? "\n" : "", | - |
| 1583 | options.visual_host_key ? ra : "", | - |
| 1584 | msg2); | - |
| 1585 | free(ra); | - |
| 1586 | free(fp); | - |
| 1587 | if (!confirm(msg)| TRUE | never evaluated | | FALSE | never evaluated |
) | 0 |
| 1588 | goto never executed: goto fail; fail;never executed: goto fail; | 0 |
| 1589 | hostkey_trusted = 1; | - |
| 1590 | } never executed: end of block | 0 |
| 1591 | | - |
| 1592 | | - |
| 1593 | | - |
| 1594 | | - |
| 1595 | if (options.check_host_ip| TRUE | never evaluated | | FALSE | never evaluated |
&& ip_status == HOST_NEW| TRUE | never evaluated | | FALSE | never evaluated |
) { | 0 |
| 1596 | snprintf(hostline, sizeof(hostline), "%s,%s", host, ip); | - |
| 1597 | hostp = hostline; | - |
| 1598 | if (options.hash_known_hosts| TRUE | never evaluated | | FALSE | never evaluated |
) { | 0 |
| 1599 | | - |
| 1600 | r = add_host_to_hostfile(user_hostfiles[0],| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1601 | host, host_key, options.hash_known_hosts)| TRUE | never evaluated | | FALSE | never evaluated |
&& | 0 |
| 1602 | add_host_to_hostfile(user_hostfiles[0], ip,| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1603 | host_key, options.hash_known_hosts)| TRUE | never evaluated | | FALSE | never evaluated |
; | 0 |
| 1604 | } never executed: end of block else { | 0 |
| 1605 | | - |
| 1606 | r = add_host_to_hostfile(user_hostfiles[0], | - |
| 1607 | hostline, host_key, | - |
| 1608 | options.hash_known_hosts); | - |
| 1609 | } never executed: end of block | 0 |
| 1610 | } else { | - |
| 1611 | r = add_host_to_hostfile(user_hostfiles[0], host, | - |
| 1612 | host_key, options.hash_known_hosts); | - |
| 1613 | hostp = host; | - |
| 1614 | } never executed: end of block | 0 |
| 1615 | | - |
| 1616 | if (!r| TRUE | never evaluated | | FALSE | never evaluated |
) | 0 |
| 1617 | logit("Failed to add the host to the list of known " never executed: logit("Failed to add the host to the list of known " "hosts (%.500s).", user_hostfiles[0]); | 0 |
| 1618 | "hosts (%.500s).", user_hostfiles[0]); never executed: logit("Failed to add the host to the list of known " "hosts (%.500s).", user_hostfiles[0]); | 0 |
| 1619 | else | - |
| 1620 | logit("Warning: Permanently added '%.200s' (%s) to the " never executed: logit("Warning: Permanently added '%.200s' (%s) to the " "list of known hosts.", hostp, type); | 0 |
| 1621 | "list of known hosts.", hostp, type); never executed: logit("Warning: Permanently added '%.200s' (%s) to the " "list of known hosts.", hostp, type); | 0 |
| 1622 | break; never executed: break; | 0 |
| 1623 | case never executed: case HOST_REVOKED: HOST_REVOKED:never executed: case HOST_REVOKED: | 0 |
| 1624 | error("@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@"); | - |
| 1625 | error("@ WARNING: REVOKED HOST KEY DETECTED! @"); | - |
| 1626 | error("@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@"); | - |
| 1627 | error("The %s host key for %s is marked as revoked.", type, host); | - |
| 1628 | error("This could mean that a stolen key is being used to"); | - |
| 1629 | error("impersonate this host."); | - |
| 1630 | | - |
| 1631 | | - |
| 1632 | | - |
| 1633 | | - |
| 1634 | | - |
| 1635 | if (options.strict_host_key_checking !=| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1636 | 0| TRUE | never evaluated | | FALSE | never evaluated |
) { | 0 |
| 1637 | error("%s host key for %.200s was revoked and you have " | - |
| 1638 | "requested strict checking.", type, host); | - |
| 1639 | goto never executed: goto fail; fail;never executed: goto fail; | 0 |
| 1640 | } | - |
| 1641 | goto never executed: goto continue_unsafe; continue_unsafe;never executed: goto continue_unsafe; | 0 |
| 1642 | | - |
| 1643 | case never executed: case HOST_CHANGED: HOST_CHANGED:never executed: case HOST_CHANGED: | 0 |
| 1644 | if (want_cert| TRUE | never evaluated | | FALSE | never evaluated |
) { | 0 |
| 1645 | | - |
| 1646 | | - |
| 1647 | | - |
| 1648 | | - |
| 1649 | | - |
| 1650 | debug("Host certificate authority does not " | - |
| 1651 | "match %s in %s:%lu", "@cert-authority", | - |
| 1652 | host_found->file, host_found->line); | - |
| 1653 | goto never executed: goto fail; fail;never executed: goto fail; | 0 |
| 1654 | } | - |
| 1655 | if (readonly| TRUE | never evaluated | | FALSE | never evaluated |
== 2| TRUE | never evaluated | | FALSE | never evaluated |
) | 0 |
| 1656 | goto never executed: goto fail; fail;never executed: goto fail; | 0 |
| 1657 | if (options.check_host_ip| TRUE | never evaluated | | FALSE | never evaluated |
&& host_ip_differ| TRUE | never evaluated | | FALSE | never evaluated |
) { | 0 |
| 1658 | char *key_msg; | - |
| 1659 | if (ip_status == HOST_NEW| TRUE | never evaluated | | FALSE | never evaluated |
) | 0 |
| 1660 | key_msg = "is unknown"; never executed: key_msg = "is unknown"; | 0 |
| 1661 | else if (ip_status == HOST_OK| TRUE | never evaluated | | FALSE | never evaluated |
) | 0 |
| 1662 | key_msg = "is unchanged"; never executed: key_msg = "is unchanged"; | 0 |
| 1663 | else | - |
| 1664 | key_msg = "has a different value"; never executed: key_msg = "has a different value"; | 0 |
| 1665 | error("@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@"); | - |
| 1666 | error("@ WARNING: POSSIBLE DNS SPOOFING DETECTED! @"); | - |
| 1667 | error("@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@"); | - |
| 1668 | error("The %s host key for %s has changed,", type, host); | - |
| 1669 | error("and the key for the corresponding IP address %s", ip); | - |
| 1670 | error("%s. This could either mean that", key_msg); | - |
| 1671 | error("DNS SPOOFING is happening or the IP address for the host"); | - |
| 1672 | error("and its host key have changed at the same time."); | - |
| 1673 | if (ip_status != HOST_NEW| TRUE | never evaluated | | FALSE | never evaluated |
) | 0 |
| 1674 | error("Offending key for IP in %s:%lu", never executed: error("Offending key for IP in %s:%lu", ip_found->file, ip_found->line); | 0 |
| 1675 | ip_found->file, ip_found->line); never executed: error("Offending key for IP in %s:%lu", ip_found->file, ip_found->line); | 0 |
| 1676 | } never executed: end of block | 0 |
| 1677 | | - |
| 1678 | warn_changed_key(host_key); | - |
| 1679 | error("Add correct host key in %.100s to get rid of this message.", | - |
| 1680 | user_hostfiles[0]); | - |
| 1681 | error("Offending %s key in %s:%lu", | - |
| 1682 | sshkey_type(host_found->key), | - |
| 1683 | host_found->file, host_found->line); | - |
| 1684 | | - |
| 1685 | | - |
| 1686 | | - |
| 1687 | | - |
| 1688 | | - |
| 1689 | if (options.strict_host_key_checking !=| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1690 | 0| TRUE | never evaluated | | FALSE | never evaluated |
) { | 0 |
| 1691 | error("%s host key for %.200s has changed and you have " | - |
| 1692 | "requested strict checking.", type, host); | - |
| 1693 | goto never executed: goto fail; fail;never executed: goto fail; | 0 |
| 1694 | } | - |
| 1695 | | - |
| 1696 | continue_unsafe: code before this statement never executed: continue_unsafe: | 0 |
| 1697 | | - |
| 1698 | | - |
| 1699 | | - |
| 1700 | | - |
| 1701 | | - |
| 1702 | if (options.password_authentication| TRUE | never evaluated | | FALSE | never evaluated |
) { | 0 |
| 1703 | error("Password authentication is disabled to avoid " | - |
| 1704 | "man-in-the-middle attacks."); | - |
| 1705 | options.password_authentication = 0; | - |
| 1706 | cancelled_forwarding = 1; | - |
| 1707 | } never executed: end of block | 0 |
| 1708 | if (options.kbd_interactive_authentication| TRUE | never evaluated | | FALSE | never evaluated |
) { | 0 |
| 1709 | error("Keyboard-interactive authentication is disabled" | - |
| 1710 | " to avoid man-in-the-middle attacks."); | - |
| 1711 | options.kbd_interactive_authentication = 0; | - |
| 1712 | options.challenge_response_authentication = 0; | - |
| 1713 | cancelled_forwarding = 1; | - |
| 1714 | } never executed: end of block | 0 |
| 1715 | if (options.challenge_response_authentication| TRUE | never evaluated | | FALSE | never evaluated |
) { | 0 |
| 1716 | error("Challenge/response authentication is disabled" | - |
| 1717 | " to avoid man-in-the-middle attacks."); | - |
| 1718 | options.challenge_response_authentication = 0; | - |
| 1719 | cancelled_forwarding = 1; | - |
| 1720 | } never executed: end of block | 0 |
| 1721 | if (options.forward_agent| TRUE | never evaluated | | FALSE | never evaluated |
) { | 0 |
| 1722 | error("Agent forwarding is disabled to avoid " | - |
| 1723 | "man-in-the-middle attacks."); | - |
| 1724 | options.forward_agent = 0; | - |
| 1725 | cancelled_forwarding = 1; | - |
| 1726 | } never executed: end of block | 0 |
| 1727 | if (options.forward_x11| TRUE | never evaluated | | FALSE | never evaluated |
) { | 0 |
| 1728 | error("X11 forwarding is disabled to avoid " | - |
| 1729 | "man-in-the-middle attacks."); | - |
| 1730 | options.forward_x11 = 0; | - |
| 1731 | cancelled_forwarding = 1; | - |
| 1732 | } never executed: end of block | 0 |
| 1733 | if (options.num_local_forwards > 0| TRUE | never evaluated | | FALSE | never evaluated |
|| | 0 |
| 1734 | options.num_remote_forwards > 0| TRUE | never evaluated | | FALSE | never evaluated |
) { | 0 |
| 1735 | error("Port forwarding is disabled to avoid " | - |
| 1736 | "man-in-the-middle attacks."); | - |
| 1737 | options.num_local_forwards = | - |
| 1738 | options.num_remote_forwards = 0; | - |
| 1739 | cancelled_forwarding = 1; | - |
| 1740 | } never executed: end of block | 0 |
| 1741 | if (options.tun_open != 0x00| TRUE | never evaluated | | FALSE | never evaluated |
) { | 0 |
| 1742 | error("Tunnel forwarding is disabled to avoid " | - |
| 1743 | "man-in-the-middle attacks."); | - |
| 1744 | options.tun_open = 0x00; | - |
| 1745 | cancelled_forwarding = 1; | - |
| 1746 | } never executed: end of block | 0 |
| 1747 | if (options.exit_on_forward_failure| TRUE | never evaluated | | FALSE | never evaluated |
&& cancelled_forwarding| TRUE | never evaluated | | FALSE | never evaluated |
) | 0 |
| 1748 | fatal("Error: forwarding disabled due to host key " never executed: fatal("Error: forwarding disabled due to host key " "check failure"); | 0 |
| 1749 | "check failure"); never executed: fatal("Error: forwarding disabled due to host key " "check failure"); | 0 |
| 1750 | break; never executed: break; | 0 |
| 1751 | case never executed: case HOST_FOUND: HOST_FOUND:never executed: case HOST_FOUND: | 0 |
| 1752 | fatal("internal error"); | - |
| 1753 | break; never executed: break; | 0 |
| 1754 | } | - |
| 1755 | | - |
| 1756 | if (options.check_host_ip| TRUE | never evaluated | | FALSE | never evaluated |
&& host_status != HOST_CHANGED| TRUE | never evaluated | | FALSE | never evaluated |
&& | 0 |
| 1757 | ip_status == HOST_CHANGED| TRUE | never evaluated | | FALSE | never evaluated |
) { | 0 |
| 1758 | snprintf(msg, sizeof(msg), | - |
| 1759 | "Warning: the %s host key for '%.200s' " | - |
| 1760 | "differs from the key for the IP address '%.128s'" | - |
| 1761 | "\nOffending key for IP in %s:%lu", | - |
| 1762 | type, host, ip, ip_found->file, ip_found->line); | - |
| 1763 | if (host_status == HOST_OK| TRUE | never evaluated | | FALSE | never evaluated |
) { | 0 |
| 1764 | len = strlen(msg); | - |
| 1765 | snprintf(msg + len, sizeof(msg) - len, | - |
| 1766 | "\nMatching host key in %s:%lu", | - |
| 1767 | host_found->file, host_found->line); | - |
| 1768 | } never executed: end of block | 0 |
| 1769 | if (options.strict_host_key_checking ==| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1770 | 3| TRUE | never evaluated | | FALSE | never evaluated |
) { | 0 |
| 1771 | strlcat(msg, "\nAre you sure you want " | - |
| 1772 | "to continue connecting (yes/no)? ", sizeof(msg)); | - |
| 1773 | if (!confirm(msg)| TRUE | never evaluated | | FALSE | never evaluated |
) | 0 |
| 1774 | goto never executed: goto fail; fail;never executed: goto fail; | 0 |
| 1775 | } never executed: end of block else if (options.strict_host_key_checking !=| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1776 | 0| TRUE | never evaluated | | FALSE | never evaluated |
) { | 0 |
| 1777 | logit("%s", msg); | - |
| 1778 | error("Exiting, you have requested strict checking."); | - |
| 1779 | goto never executed: goto fail; fail;never executed: goto fail; | 0 |
| 1780 | } else { | - |
| 1781 | logit("%s", msg); | - |
| 1782 | } never executed: end of block | 0 |
| 1783 | } | - |
| 1784 | | - |
| 1785 | if (!hostkey_trusted| TRUE | never evaluated | | FALSE | never evaluated |
&& options.update_hostkeys| TRUE | never evaluated | | FALSE | never evaluated |
) { | 0 |
| 1786 | debug("%s: hostkey not known or explicitly trusted: " | - |
| 1787 | "disabling UpdateHostkeys", __func__); | - |
| 1788 | options.update_hostkeys = 0; | - |
| 1789 | } never executed: end of block | 0 |
| 1790 | | - |
| 1791 | free(ip); | - |
| 1792 | free(host); | - |
| 1793 | if (host_hostkeys != | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1794 | ((void *)0)| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1795 | ) | - |
| 1796 | free_hostkeys(host_hostkeys); never executed: free_hostkeys(host_hostkeys); | 0 |
| 1797 | if (ip_hostkeys != | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1798 | ((void *)0)| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1799 | ) | - |
| 1800 | free_hostkeys(ip_hostkeys); never executed: free_hostkeys(ip_hostkeys); | 0 |
| 1801 | return never executed: return 0; 0;never executed: return 0; | 0 |
| 1802 | | - |
| 1803 | fail: | - |
| 1804 | if (want_cert| TRUE | never evaluated | | FALSE | never evaluated |
&& host_status != HOST_REVOKED| TRUE | never evaluated | | FALSE | never evaluated |
) { | 0 |
| 1805 | | - |
| 1806 | | - |
| 1807 | | - |
| 1808 | | - |
| 1809 | debug("No matching CA found. Retry with plain key"); | - |
| 1810 | if ((| TRUE | never evaluated | | FALSE | never evaluated |
r = sshkey_from_private(host_key, &raw_key)) != 0| TRUE | never evaluated | | FALSE | never evaluated |
) | 0 |
| 1811 | fatal("%s: sshkey_from_private: %s", never executed: fatal("%s: sshkey_from_private: %s", __func__, ssh_err(r)); | 0 |
| 1812 | __func__, ssh_err(r)); never executed: fatal("%s: sshkey_from_private: %s", __func__, ssh_err(r)); | 0 |
| 1813 | if ((| TRUE | never evaluated | | FALSE | never evaluated |
r = sshkey_drop_cert(raw_key)) != 0| TRUE | never evaluated | | FALSE | never evaluated |
) | 0 |
| 1814 | fatal("Couldn't drop certificate: %s", ssh_err(r)); never executed: fatal("Couldn't drop certificate: %s", ssh_err(r)); | 0 |
| 1815 | host_key = raw_key; | - |
| 1816 | goto never executed: goto retry; retry;never executed: goto retry; | 0 |
| 1817 | } | - |
| 1818 | sshkey_free(raw_key); | - |
| 1819 | free(ip); | - |
| 1820 | free(host); | - |
| 1821 | if (host_hostkeys != | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1822 | ((void *)0)| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1823 | ) | - |
| 1824 | free_hostkeys(host_hostkeys); never executed: free_hostkeys(host_hostkeys); | 0 |
| 1825 | if (ip_hostkeys != | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1826 | ((void *)0)| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1827 | ) | - |
| 1828 | free_hostkeys(ip_hostkeys); never executed: free_hostkeys(ip_hostkeys); | 0 |
| 1829 | return never executed: return -1; -1;never executed: return -1; | 0 |
| 1830 | } | - |
| 1831 | | - |
| 1832 | | - |
| 1833 | int | - |
| 1834 | verify_host_key(char *host, struct sockaddr *hostaddr, struct sshkey *host_key) | - |
| 1835 | { | - |
| 1836 | u_int i; | - |
| 1837 | int r = -1, flags = 0; | - |
| 1838 | char valid[64], *fp = | - |
| 1839 | ((void *)0) | - |
| 1840 | , *cafp = | - |
| 1841 | ((void *)0) | - |
| 1842 | ; | - |
| 1843 | struct sshkey *plain = | - |
| 1844 | ((void *)0) | - |
| 1845 | ; | - |
| 1846 | | - |
| 1847 | if ((| TRUE | never evaluated | | FALSE | never evaluated |
fp = sshkey_fingerprint(host_key,| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1848 | options.fingerprint_hash, SSH_FP_DEFAULT)) == | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1849 | ((void *)0)| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1850 | ) { | - |
| 1851 | error("%s: fingerprint host key: %s", __func__, ssh_err(r)); | - |
| 1852 | r = -1; | - |
| 1853 | goto never executed: goto out; out;never executed: goto out; | 0 |
| 1854 | } | - |
| 1855 | | - |
| 1856 | if (sshkey_is_cert(host_key)| TRUE | never evaluated | | FALSE | never evaluated |
) { | 0 |
| 1857 | if ((| TRUE | never evaluated | | FALSE | never evaluated |
cafp = sshkey_fingerprint(host_key->cert->signature_key,| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1858 | options.fingerprint_hash, SSH_FP_DEFAULT)) == | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1859 | ((void *)0)| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1860 | ) { | - |
| 1861 | error("%s: fingerprint CA key: %s", | - |
| 1862 | __func__, ssh_err(r)); | - |
| 1863 | r = -1; | - |
| 1864 | goto never executed: goto out; out;never executed: goto out; | 0 |
| 1865 | } | - |
| 1866 | sshkey_format_cert_validity(host_key->cert, | - |
| 1867 | valid, sizeof(valid)); | - |
| 1868 | debug("Server host certificate: %s %s, serial %llu " | - |
| 1869 | "ID \"%s\" CA %s %s valid %s", | - |
| 1870 | sshkey_ssh_name(host_key), fp, | - |
| 1871 | (unsigned long long)host_key->cert->serial, | - |
| 1872 | host_key->cert->key_id, | - |
| 1873 | sshkey_ssh_name(host_key->cert->signature_key), cafp, | - |
| 1874 | valid); | - |
| 1875 | for (i = 0; i < host_key->cert->nprincipals| TRUE | never evaluated | | FALSE | never evaluated |
; i++) { | 0 |
| 1876 | debug2("Server host certificate hostname: %s", | - |
| 1877 | host_key->cert->principals[i]); | - |
| 1878 | } never executed: end of block | 0 |
| 1879 | } never executed: end of block else { | 0 |
| 1880 | debug("Server host key: %s %s", sshkey_ssh_name(host_key), fp); | - |
| 1881 | } never executed: end of block | 0 |
| 1882 | | - |
| 1883 | if (sshkey_equal(previous_host_key, host_key)| TRUE | never evaluated | | FALSE | never evaluated |
) { | 0 |
| 1884 | debug2("%s: server host key %s %s matches cached key", | - |
| 1885 | __func__, sshkey_type(host_key), fp); | - |
| 1886 | r = 0; | - |
| 1887 | goto never executed: goto out; out;never executed: goto out; | 0 |
| 1888 | } | - |
| 1889 | | - |
| 1890 | | - |
| 1891 | if (options.revoked_host_keys != | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1892 | ((void *)0)| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1893 | ) { | - |
| 1894 | r = sshkey_check_revoked(host_key, options.revoked_host_keys); | - |
| 1895 | switch (r) { | - |
| 1896 | case never executed: case 0: 0:never executed: case 0: | 0 |
| 1897 | break; never executed: break; | 0 |
| 1898 | case never executed: case -51: -51:never executed: case -51: | 0 |
| 1899 | error("Host key %s %s revoked by file %s", | - |
| 1900 | sshkey_type(host_key), fp, | - |
| 1901 | options.revoked_host_keys); | - |
| 1902 | r = -1; | - |
| 1903 | goto never executed: goto out; out;never executed: goto out; | 0 |
| 1904 | default never executed: default: :never executed: default: | 0 |
| 1905 | error("Error checking host key %s %s in " | - |
| 1906 | "revoked keys file %s: %s", sshkey_type(host_key), | - |
| 1907 | fp, options.revoked_host_keys, ssh_err(r)); | - |
| 1908 | r = -1; | - |
| 1909 | goto never executed: goto out; out;never executed: goto out; | 0 |
| 1910 | } | - |
| 1911 | } | - |
| 1912 | | - |
| 1913 | if (options.verify_host_key_dns| TRUE | never evaluated | | FALSE | never evaluated |
) { | 0 |
| 1914 | | - |
| 1915 | | - |
| 1916 | | - |
| 1917 | | - |
| 1918 | if ((| TRUE | never evaluated | | FALSE | never evaluated |
r = sshkey_from_private(host_key, &plain)) != 0| TRUE | never evaluated | | FALSE | never evaluated |
) | 0 |
| 1919 | goto never executed: goto out; out;never executed: goto out; | 0 |
| 1920 | if (sshkey_is_cert(plain)| TRUE | never evaluated | | FALSE | never evaluated |
) | 0 |
| 1921 | sshkey_drop_cert(plain); never executed: sshkey_drop_cert(plain); | 0 |
| 1922 | if (verify_host_key_dns(host, hostaddr, plain, &flags) == 0| TRUE | never evaluated | | FALSE | never evaluated |
) { | 0 |
| 1923 | if (flags & 0x00000001| TRUE | never evaluated | | FALSE | never evaluated |
) { | 0 |
| 1924 | if (options.verify_host_key_dns == 1| TRUE | never evaluated | | FALSE | never evaluated |
&& | 0 |
| 1925 | flags & 0x00000002| TRUE | never evaluated | | FALSE | never evaluated |
&& | 0 |
| 1926 | flags & 0x00000004| TRUE | never evaluated | | FALSE | never evaluated |
) { | 0 |
| 1927 | r = 0; | - |
| 1928 | goto never executed: goto out; out;never executed: goto out; | 0 |
| 1929 | } | - |
| 1930 | if (flags & 0x00000002| TRUE | never evaluated | | FALSE | never evaluated |
) { | 0 |
| 1931 | matching_host_key_dns = 1; | - |
| 1932 | } never executed: end of block else { | 0 |
| 1933 | warn_changed_key(plain); | - |
| 1934 | error("Update the SSHFP RR in DNS " | - |
| 1935 | "with the new host key to get rid " | - |
| 1936 | "of this message."); | - |
| 1937 | } never executed: end of block | 0 |
| 1938 | } | - |
| 1939 | } never executed: end of block | 0 |
| 1940 | } never executed: end of block | 0 |
| 1941 | r = check_host_key(host, hostaddr, options.port, host_key, 0, | - |
| 1942 | options.user_hostfiles, options.num_user_hostfiles, | - |
| 1943 | options.system_hostfiles, options.num_system_hostfiles); | - |
| 1944 | | - |
| 1945 | out: code before this statement never executed: out: | 0 |
| 1946 | sshkey_free(plain); | - |
| 1947 | free(fp); | - |
| 1948 | free(cafp); | - |
| 1949 | if (r == 0| TRUE | never evaluated | | FALSE | never evaluated |
&& host_key != | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1950 | ((void *)0)| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 1951 | ) { | - |
| 1952 | sshkey_free(previous_host_key); | - |
| 1953 | r = sshkey_from_private(host_key, &previous_host_key); | - |
| 1954 | } never executed: end of block | 0 |
| 1955 | | - |
| 1956 | return never executed: return r; r;never executed: return r; | 0 |
| 1957 | } | - |
| 1958 | void | - |
| 1959 | ssh_login(Sensitive *sensitive, const char *orighost, | - |
| 1960 | struct sockaddr *hostaddr, u_short port, struct passwd *pw, int timeout_ms) | - |
| 1961 | { | - |
| 1962 | char *host; | - |
| 1963 | char *server_user, *local_user; | - |
| 1964 | | - |
| 1965 | local_user = xstrdup(pw->pw_name); | - |
| 1966 | server_user = options.user| TRUE | never evaluated | | FALSE | never evaluated |
? options.user : local_user; | 0 |
| 1967 | | - |
| 1968 | | - |
| 1969 | host = xstrdup(orighost); | - |
| 1970 | lowercase(host); | - |
| 1971 | | - |
| 1972 | | - |
| 1973 | ssh_exchange_identification(timeout_ms); | - |
| 1974 | | - |
| 1975 | | - |
| 1976 | ssh_packet_set_nonblocking(active_state); | - |
| 1977 | | - |
| 1978 | | - |
| 1979 | | - |
| 1980 | debug("Authenticating to %s:%d as '%s'", host, port, server_user); | - |
| 1981 | ssh_kex2(host, hostaddr, port); | - |
| 1982 | ssh_userauth2(local_user, server_user, host, sensitive); | - |
| 1983 | free(local_user); | - |
| 1984 | } never executed: end of block | 0 |
| 1985 | | - |
| 1986 | void | - |
| 1987 | ssh_put_password(char *password) | - |
| 1988 | { | - |
| 1989 | int size; | - |
| 1990 | char *padded; | - |
| 1991 | | - |
| 1992 | if (datafellows & 0x00000400| TRUE | never evaluated | | FALSE | never evaluated |
) { | 0 |
| 1993 | ssh_packet_put_cstring(active_state, (password)); | - |
| 1994 | return; never executed: return; | 0 |
| 1995 | } | - |
| 1996 | size = ((((strlen(password) + 1)+((32)-1))/(32))*(32)); | - |
| 1997 | padded = xcalloc(1, size); | - |
| 1998 | strlcpy(padded, password, size); | - |
| 1999 | ssh_packet_put_string(active_state, (padded), (size)); | - |
| 2000 | explicit_bzero(padded, size); | - |
| 2001 | free(padded); | - |
| 2002 | } never executed: end of block | 0 |
| 2003 | | - |
| 2004 | | - |
| 2005 | static int | - |
| 2006 | show_other_keys(struct hostkeys *hostkeys, struct sshkey *key) | - |
| 2007 | { | - |
| 2008 | int type[] = { | - |
| 2009 | KEY_RSA, | - |
| 2010 | KEY_DSA, | - |
| 2011 | KEY_ECDSA, | - |
| 2012 | KEY_ED25519, | - |
| 2013 | KEY_XMSS, | - |
| 2014 | -1 | - |
| 2015 | }; | - |
| 2016 | int i, ret = 0; | - |
| 2017 | char *fp, *ra; | - |
| 2018 | const struct hostkey_entry *found; | - |
| 2019 | | - |
| 2020 | for (i = 0; type[i] != -1| TRUE | never evaluated | | FALSE | never evaluated |
; i++) { | 0 |
| 2021 | if (type[i] == key->type| TRUE | never evaluated | | FALSE | never evaluated |
) | 0 |
| 2022 | continue; never executed: continue; | 0 |
| 2023 | if (!lookup_key_in_hostkeys_by_type(hostkeys, type[i], &found)| TRUE | never evaluated | | FALSE | never evaluated |
) | 0 |
| 2024 | continue; never executed: continue; | 0 |
| 2025 | fp = sshkey_fingerprint(found->key, | - |
| 2026 | options.fingerprint_hash, SSH_FP_DEFAULT); | - |
| 2027 | ra = sshkey_fingerprint(found->key, | - |
| 2028 | options.fingerprint_hash, SSH_FP_RANDOMART); | - |
| 2029 | if (fp == | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 2030 | ((void *)0)| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 2031 | || ra == | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 2032 | ((void *)0)| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 2033 | ) | - |
| 2034 | fatal("%s: sshkey_fingerprint fail", __func__); never executed: fatal("%s: sshkey_fingerprint fail", __func__); | 0 |
| 2035 | logit("WARNING: %s key found for host %s\n" | - |
| 2036 | "in %s:%lu\n" | - |
| 2037 | "%s key fingerprint %s.", | - |
| 2038 | sshkey_type(found->key), | - |
| 2039 | found->host, found->file, found->line, | - |
| 2040 | sshkey_type(found->key), fp); | - |
| 2041 | if (options.visual_host_key| TRUE | never evaluated | | FALSE | never evaluated |
) | 0 |
| 2042 | logit("%s", ra); never executed: logit("%s", ra); | 0 |
| 2043 | free(ra); | - |
| 2044 | free(fp); | - |
| 2045 | ret = 1; | - |
| 2046 | } never executed: end of block | 0 |
| 2047 | return never executed: return ret; ret;never executed: return ret; | 0 |
| 2048 | } | - |
| 2049 | | - |
| 2050 | static void | - |
| 2051 | warn_changed_key(struct sshkey *host_key) | - |
| 2052 | { | - |
| 2053 | char *fp; | - |
| 2054 | | - |
| 2055 | fp = sshkey_fingerprint(host_key, options.fingerprint_hash, | - |
| 2056 | SSH_FP_DEFAULT); | - |
| 2057 | if (fp == | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 2058 | ((void *)0)| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 2059 | ) | - |
| 2060 | fatal("%s: sshkey_fingerprint fail", __func__); never executed: fatal("%s: sshkey_fingerprint fail", __func__); | 0 |
| 2061 | | - |
| 2062 | error("@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@"); | - |
| 2063 | error("@ WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED! @"); | - |
| 2064 | error("@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@"); | - |
| 2065 | error("IT IS POSSIBLE THAT SOMEONE IS DOING SOMETHING NASTY!"); | - |
| 2066 | error("Someone could be eavesdropping on you right now (man-in-the-middle attack)!"); | - |
| 2067 | error("It is also possible that a host key has just been changed."); | - |
| 2068 | error("The fingerprint for the %s key sent by the remote host is\n%s.", | - |
| 2069 | sshkey_type(host_key), fp); | - |
| 2070 | error("Please contact your system administrator."); | - |
| 2071 | | - |
| 2072 | free(fp); | - |
| 2073 | } never executed: end of block | 0 |
| 2074 | | - |
| 2075 | | - |
| 2076 | | - |
| 2077 | | - |
| 2078 | int | - |
| 2079 | ssh_local_cmd(const char *args) | - |
| 2080 | { | - |
| 2081 | char *shell; | - |
| 2082 | pid_t pid; | - |
| 2083 | int status; | - |
| 2084 | void (*osighand)(int); | - |
| 2085 | | - |
| 2086 | if (!options.permit_local_command| TRUE | never evaluated | | FALSE | never evaluated |
|| | 0 |
| 2087 | args == | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 2088 | ((void *)0)| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 2089 | || !*args| TRUE | never evaluated | | FALSE | never evaluated |
) | 0 |
| 2090 | return never executed: return (1); (1);never executed: return (1); | 0 |
| 2091 | | - |
| 2092 | if ((| TRUE | never evaluated | | FALSE | never evaluated |
shell = getenv("SHELL")) == | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 2093 | ((void *)0)| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 2094 | || *| TRUE | never evaluated | | FALSE | never evaluated |
shell == '\0'| TRUE | never evaluated | | FALSE | never evaluated |
) | 0 |
| 2095 | shell = never executed: shell = "/bin/sh" ; | 0 |
| 2096 | "/bin/sh" never executed: shell = "/bin/sh" ; | 0 |
| 2097 | ; never executed: shell = "/bin/sh" ; | 0 |
| 2098 | | - |
| 2099 | osighand = mysignal( | - |
| 2100 | 17 | - |
| 2101 | , | - |
| 2102 | ((__sighandler_t) 0) | - |
| 2103 | ); | - |
| 2104 | pid = fork(); | - |
| 2105 | if (pid == 0| TRUE | never evaluated | | FALSE | never evaluated |
) { | 0 |
| 2106 | mysignal( | - |
| 2107 | 13 | - |
| 2108 | , | - |
| 2109 | ((__sighandler_t) 0) | - |
| 2110 | ); | - |
| 2111 | debug3("Executing %s -c \"%s\"", shell, args); | - |
| 2112 | execl(shell, shell, "-c", args, (char *) | - |
| 2113 | ((void *)0) | - |
| 2114 | ); | - |
| 2115 | error("Couldn't execute %s -c \"%s\": %s", | - |
| 2116 | shell, args, strerror( | - |
| 2117 | (*__errno_location ()) | - |
| 2118 | )); | - |
| 2119 | _exit(1); | - |
| 2120 | } never executed: end of block else if (pid == -1| TRUE | never evaluated | | FALSE | never evaluated |
) | 0 |
| 2121 | fatal("fork failed: %.100s", strerror( never executed: fatal("fork failed: %.100s", strerror( (*__errno_location ()) )); | 0 |
| 2122 | (*__errno_location ()) never executed: fatal("fork failed: %.100s", strerror( (*__errno_location ()) )); | 0 |
| 2123 | )); never executed: fatal("fork failed: %.100s", strerror( (*__errno_location ()) )); | 0 |
| 2124 | while (waitpid(pid, &status, 0) == -1| TRUE | never evaluated | | FALSE | never evaluated |
) | 0 |
| 2125 | if ( | - |
| 2126 | (*| TRUE | never evaluated | | FALSE | never evaluated |
__errno_location ()) | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 2127 | != | TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 2128 | 4| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 2129 | ) | - |
| 2130 | fatal("Couldn't wait for child: %s", strerror( never executed: fatal("Couldn't wait for child: %s", strerror( (*__errno_location ()) )); | 0 |
| 2131 | (*__errno_location ()) never executed: fatal("Couldn't wait for child: %s", strerror( (*__errno_location ()) )); | 0 |
| 2132 | )); never executed: fatal("Couldn't wait for child: %s", strerror( (*__errno_location ()) )); | 0 |
| 2133 | mysignal( | - |
| 2134 | 17 | - |
| 2135 | ,osighand); | - |
| 2136 | | - |
| 2137 | if (!| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 2138 | (((| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 2139 | status| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 2140 | ) & 0x7f) == 0)| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 2141 | ) | - |
| 2142 | return never executed: return (1); (1);never executed: return (1); | 0 |
| 2143 | | - |
| 2144 | return never executed: return ( ((( status ) & 0xff00) >> 8) ); (never executed: return ( ((( status ) & 0xff00) >> 8) ); | 0 |
| 2145 | ((( never executed: return ( ((( status ) & 0xff00) >> 8) ); | 0 |
| 2146 | status never executed: return ( ((( status ) & 0xff00) >> 8) ); | 0 |
| 2147 | ) & 0xff00) >> 8) never executed: return ( ((( status ) & 0xff00) >> 8) ); | 0 |
| 2148 | ); never executed: return ( ((( status ) & 0xff00) >> 8) ); | 0 |
| 2149 | } | - |
| 2150 | | - |
| 2151 | void | - |
| 2152 | maybe_add_key_to_agent(char *authfile, const struct sshkey *private, | - |
| 2153 | char *comment, char *passphrase) | - |
| 2154 | { | - |
| 2155 | int auth_sock = -1, r; | - |
| 2156 | | - |
| 2157 | if (options.add_keys_to_agent == 0| TRUE | never evaluated | | FALSE | never evaluated |
) | 0 |
| 2158 | return; never executed: return; | 0 |
| 2159 | | - |
| 2160 | if ((| TRUE | never evaluated | | FALSE | never evaluated |
r = ssh_get_authentication_socket(&auth_sock)) != 0| TRUE | never evaluated | | FALSE | never evaluated |
) { | 0 |
| 2161 | debug3("no authentication agent, not adding key"); | - |
| 2162 | return; never executed: return; | 0 |
| 2163 | } | - |
| 2164 | | - |
| 2165 | if (options.add_keys_to_agent == 2| TRUE | never evaluated | | FALSE | never evaluated |
&& | 0 |
| 2166 | !ask_permission("Add key %s (%s) to agent?", authfile, comment)| TRUE | never evaluated | | FALSE | never evaluated |
) { | 0 |
| 2167 | debug3("user denied adding this key"); | - |
| 2168 | close(auth_sock); | - |
| 2169 | return; never executed: return; | 0 |
| 2170 | } | - |
| 2171 | | - |
| 2172 | if ((| TRUE | never evaluated | | FALSE | never evaluated |
r = ssh_add_identity_constrained(auth_sock, private, comment, 0,| TRUE | never evaluated | | FALSE | never evaluated |
| 0 |
| 2173 | (options.add_keys_to_agent == 3), 0)) == 0| TRUE | never evaluated | | FALSE | never evaluated |
) | 0 |
| 2174 | debug("identity added to agent: %s", authfile); never executed: debug("identity added to agent: %s", authfile); | 0 |
| 2175 | else | - |
| 2176 | debug("could not add identity to agent: %s (%d)", authfile, r); never executed: debug("could not add identity to agent: %s (%d)", authfile, r); | 0 |
| 2177 | close(auth_sock); | - |
| 2178 | } never executed: end of block | 0 |
| | |