OpenCoverage

port-net.c

Absolute File Name:

/home/opencoverage/opencoverage/guest-scripts/openssh/src/openbsd-compat/port-net.c

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Preprocessed file

Line Source Count

1 -

2 -

3 -

4 -

5 -

6 -

7 -

8 -

9 -

10 -

11 -

12 -

13 -

14 -

15 -

16 -

17 int -

18 sys_tun_open(int tun, int mode, char **ifname) -

19 { -

20 struct ifreq ifr; -

21 int fd = -1; -

22 const char *name = -

23 ((void *)0) -

24 ; -

25 -

if (ifname !=

ifname != ((void *)0)	Description
TRUE	never evaluated
FALSE	never evaluated

0

((void *)0)

ifname != ((void *)0)	Description
TRUE	never evaluated
FALSE	never evaluated

0

28 ) -

*

never executed: *ifname = ((void *)0) ;

ifname =

never executed: *ifname = ((void *)0) ;

0

((void *)0)

never executed: *ifname = ((void *)0) ;

0

;

never executed: *ifname = ((void *)0) ;

0

32 -

if ((

(fd = open("/d...", 02 )) == -1	Description
TRUE	never evaluated
FALSE	never evaluated

fd = open("/dev/net/tun",

(fd = open("/d...", 02 )) == -1	Description
TRUE	never evaluated
FALSE	never evaluated

0

02

(fd = open("/d...", 02 )) == -1	Description
TRUE	never evaluated
FALSE	never evaluated

0

)) == -1

(fd = open("/d...", 02 )) == -1	Description
TRUE	never evaluated
FALSE	never evaluated

) {

0

36 debug("%s: failed to open tunnel control interface: %s", -

37 __func__, strerror( -

38 (*__errno_location ()) -

39 )); -

return

never executed: return (-1);

(-1);

never executed: return (-1);

0

41 } -

42 -

43 bzero(&ifr, sizeof(ifr)); -

44 -

if (mode == 0x02

mode == 0x02	Description
TRUE	never evaluated
FALSE	never evaluated

) {

0

46 ifr. -

47 ifr_ifru.ifru_flags -

48 = -

49 0x0002 -

50 ; -

51 name = "tap%d"; -

}

never executed: end of block

else {

0

53 ifr. -

54 ifr_ifru.ifru_flags -

55 = -

56 0x0001 -

57 ; -

58 name = "tun%d"; -

}

never executed: end of block

0

60 ifr. -

61 ifr_ifru.ifru_flags -

62 |= -

63 0x1000 -

64 ; -

65 -

if (tun != 0x7fffffff

tun != 0x7fffffff	Description
TRUE	never evaluated
FALSE	never evaluated

) {

0

if (tun > (0x7fffffff - 2)

tun > (0x7fffffff - 2)	Description
TRUE	never evaluated
FALSE	never evaluated

) {

0

68 debug("%s: invalid tunnel id %x: %s", __func__, -

69 tun, strerror( -

70 (*__errno_location ()) -

71 )); -

goto

never executed: goto failed;

failed;

never executed: goto failed;

0

73 } -

74 snprintf(ifr. -

75 ifr_ifrn.ifrn_name -

76 , sizeof(ifr. -

77 ifr_ifrn.ifrn_name -

78 ), name, tun); -

}

never executed: end of block

0

80 -

if (ioctl(fd,

ioctl(fd, (((1... , &ifr) == -1	Description
TRUE	never evaluated
FALSE	never evaluated

0

(((1U) << (((0 +8)+8)+14)) | ((('T')) << (0 +8)) | (((202)) << 0) | ((((sizeof(int)))) << ((0 +8)+8)))

ioctl(fd, (((1... , &ifr) == -1	Description
TRUE	never evaluated
FALSE	never evaluated

0

, &ifr) == -1

ioctl(fd, (((1... , &ifr) == -1	Description
TRUE	never evaluated
FALSE	never evaluated

) {

0

84 debug("%s: failed to configure tunnel (mode %d): %s", __func__, -

85 mode, strerror( -

86 (*__errno_location ()) -

87 )); -

goto

never executed: goto failed;

failed;

never executed: goto failed;

0

89 } -

90 -

if (tun == 0x7fffffff

tun == 0x7fffffff	Description
TRUE	never evaluated
FALSE	never evaluated

)

0

debug("%s: tunnel mode %d fd %d", __func__, mode, fd);

never executed: debug("%s: tunnel mode %d fd %d", __func__, mode, fd);

0

93 else -

debug("%s: %s mode %d fd %d", __func__, ifr.

never executed: debug("%s: %s mode %d fd %d", __func__, ifr. ifr_ifrn.ifrn_name , mode, fd);

0

ifr_ifrn.ifrn_name

never executed: debug("%s: %s mode %d fd %d", __func__, ifr. ifr_ifrn.ifrn_name , mode, fd);

0

, mode, fd);

never executed: debug("%s: %s mode %d fd %d", __func__, ifr. ifr_ifrn.ifrn_name , mode, fd);

0

97 -

if (ifname !=

ifname != ((void *)0)	Description
TRUE	never evaluated
FALSE	never evaluated

0

((void *)0)

ifname != ((void *)0)	Description
TRUE	never evaluated
FALSE	never evaluated

0

&& (*

(ifname = (__...== ((void )0)	Description
TRUE	never evaluated
FALSE	never evaluated

ifname =

(ifname = (__...== ((void )0)	Description
TRUE	never evaluated
FALSE	never evaluated

0

(__extension__ (__builtin_constant_p (

__builtin_cons...frn.ifrn_name)	Description
TRUE	never evaluated
FALSE	never evaluated

(ifname = (__...== ((void )0)	Description
TRUE	never evaluated
FALSE	never evaluated

0

ifr.

__builtin_cons...frn.ifrn_name)	Description
TRUE	never evaluated
FALSE	never evaluated

(ifname = (__...== ((void )0)	Description
TRUE	never evaluated
FALSE	never evaluated

0

ifr_ifrn.ifrn_name)

__builtin_cons...frn.ifrn_name)	Description
TRUE	never evaluated
FALSE	never evaluated

&& ((

((size_t)(cons...rn_name) == 1)	Description
TRUE	never evaluated
FALSE	never evaluated

size_t)(const void *)((

((size_t)(cons...rn_name) == 1)	Description
TRUE	never evaluated
FALSE	never evaluated

(ifname = (__...== ((void )0)	Description
TRUE	never evaluated
FALSE	never evaluated

0

ifr.

((size_t)(cons...rn_name) == 1)	Description
TRUE	never evaluated
FALSE	never evaluated

(ifname = (__...== ((void )0)	Description
TRUE	never evaluated
FALSE	never evaluated

0

ifr_ifrn.ifrn_name) + 1) - (size_t)(const void *)(

((size_t)(cons...rn_name) == 1)	Description
TRUE	never evaluated
FALSE	never evaluated

(ifname = (__...== ((void )0)	Description
TRUE	never evaluated
FALSE	never evaluated

0

ifr.

((size_t)(cons...rn_name) == 1)	Description
TRUE	never evaluated
FALSE	never evaluated

(ifname = (__...== ((void )0)	Description
TRUE	never evaluated
FALSE	never evaluated

0

ifr_ifrn.ifrn_name) == 1)

((size_t)(cons...rn_name) == 1)	Description
TRUE	never evaluated
FALSE	never evaluated

? (((const char *) (

((const char *...e))[0] == '\0'	Description
TRUE	never evaluated
FALSE	never evaluated

0

ifr.

(ifname = (__...== ((void )0)	Description
TRUE	never evaluated
FALSE	never evaluated

((const char *...e))[0] == '\0'	Description
TRUE	never evaluated
FALSE	never evaluated

0

ifr_ifrn.ifrn_name))[0] == '\0' ? (char *) calloc ((size_t) 1, (size_t) 1) : ({ size_t __len = strlen (

(ifname = (__...== ((void )0)	Description
TRUE	never evaluated
FALSE	never evaluated

0

ifr.

(ifname = (__...== ((void )0)	Description
TRUE	never evaluated
FALSE	never evaluated

0

ifr_ifrn.ifrn_name) + 1; char *__retval = (char *) malloc (__len); if (__retval != ((void *)0)) __retval = (char *) memcpy (__retval,

never executed: __retval = (char *) memcpy (__retval, ifr. ifr_ifrn.ifrn_name, __len);

0

ifr.

(ifname = (__...== ((void )0)	Description
TRUE	never evaluated
FALSE	never evaluated

never executed: __retval = (char *) memcpy (__retval, ifr. ifr_ifrn.ifrn_name, __len);

0

ifr_ifrn.ifrn_name, __len); __retval; })) : __strdup (

(ifname = (__...== ((void )0)	Description
TRUE	never evaluated
FALSE	never evaluated

0

ifr.

(ifname = (__...== ((void )0)	Description
TRUE	never evaluated
FALSE	never evaluated

0

ifr_ifrn.ifrn_name)))

(ifname = (__...== ((void )0)	Description
TRUE	never evaluated
FALSE	never evaluated

0

) ==

(ifname = (__...== ((void )0)	Description
TRUE	never evaluated
FALSE	never evaluated

0

((void *)0)

(ifname = (__...== ((void )0)	Description
TRUE	never evaluated
FALSE	never evaluated

0

118 ) -

goto

never executed: goto failed;

failed;

never executed: goto failed;

0

120 -

return

never executed: return (fd);

(fd);

never executed: return (fd);

0

122 -

123 failed: -

124 close(fd); -

return

never executed: return (-1);

(-1);

never executed: return (-1);

0

126 } -

127 int -

128 sys_tun_infilter(struct ssh *ssh, struct Channel *c, char *buf, int _len) -

129 { -

130 int r; -

131 size_t len; -

132 char *ptr = buf; -

133 -

134 char rbuf[(16*1024)]; -

135 struct ip iph; -

136 -

137 -

138 u_int32_t af; -

139 -

140 -

141 -

if (_len < 0

_len < 0	Description
TRUE	never evaluated
FALSE	never evaluated

)

0

return

never executed: return -1;

-1;

never executed: return -1;

0

144 len = _len; -

145 -

146 -

if (len <= sizeof(iph)

len <= sizeof(iph)	Description
TRUE	never evaluated
FALSE	never evaluated

|| len > sizeof(rbuf) - 4

len > sizeof(rbuf) - 4	Description
TRUE	never evaluated
FALSE	never evaluated

)

0

return

never executed: return -1;

-1;

never executed: return -1;

0

149 -

150 memcpy(&iph, buf, sizeof(iph)); -

af = iph.ip_v == 6

iph.ip_v == 6	Description
TRUE	never evaluated
FALSE	never evaluated

? 24 : 2;

0

152 -

153 memcpy(rbuf + 4, buf, len); -

154 len += 4; -

155 do { const u_int32_t __v = (af); ((u_char *)(rbuf))[0] = (__v >> 24) & 0xff; ((u_char *)(rbuf))[1] = (__v >> 16) & 0xff; ((u_char *)(rbuf))[2] = (__v >> 8) & 0xff; ((u_char *)(rbuf))[3] = __v & 0xff; } while (0); -

156 ptr = rbuf; -

if ((

(r = sshbuf_pu...tr, len)) != 0	Description
TRUE	never evaluated
FALSE	never evaluated

r = sshbuf_put_string(c->input, ptr, len)) != 0

(r = sshbuf_pu...tr, len)) != 0	Description
TRUE	never evaluated
FALSE	never evaluated

)

0

fatal("%s: buffer error: %s", __func__, ssh_err(r));

never executed: fatal("%s: buffer error: %s", __func__, ssh_err(r));

0

return

never executed: return (0);

(0);

never executed: return (0);

0

160 } -

161 -

162 u_char * -

163 sys_tun_outfilter(struct ssh *ssh, struct Channel *c, -

164 u_char **data, size_t *dlen) -

165 { -

166 u_char *buf; -

167 u_int32_t af; -

168 int r; -

169 -

170 -

if ((

(r = sshbuf_ge...a, dlen)) != 0	Description
TRUE	never evaluated
FALSE	never evaluated

r = sshbuf_get_string(c->output, data, dlen)) != 0

(r = sshbuf_ge...a, dlen)) != 0	Description
TRUE	never evaluated
FALSE	never evaluated

)

0

fatal("%s: buffer error: %s", __func__, ssh_err(r));

never executed: fatal("%s: buffer error: %s", __func__, ssh_err(r));

0

if (*

*dlen < sizeof(af)	Description
TRUE	never evaluated
FALSE	never evaluated

dlen < sizeof(af)

*dlen < sizeof(af)	Description
TRUE	never evaluated
FALSE	never evaluated

)

0

return

never executed: return ( ((void *)0) );

(

never executed: return ( ((void *)0) );

0

((void *)0)

never executed: return ( ((void *)0) );

0

);

never executed: return ( ((void *)0) );

0

177 buf = *data; -

178 -

179 -

180 -

181 *dlen -= sizeof(af); -

182 buf = *data + sizeof(af); -

183 -

184 -

185 -

186 -

187 -

return

never executed: return (buf);

(buf);

never executed: return (buf);

0

189 } -

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