nchan.c

Line

Source

Count

1

-

-

-

-

-

static void chan_send_eof2(struct ssh *, Channel *);

-

7

static void chan_send_eow2(struct ssh *, Channel *);

-

8

-

9

-

10

static void chan_shutdown_write(struct ssh *, Channel *);

-

11

static void chan_shutdown_read(struct ssh *, Channel *);

-

12

-

13

static const char *ostates[] = { "open", "drain", "wait_ieof", "closed" };

-

14

static const char *istates[] = { "open", "drain", "wait_oclose", "closed" };

-

15

-

16

static void

-

17

chan_set_istate(Channel *c, u_int next)

-

18

{

-

19

if (c->istate > 3

c->istate > 3	Description
TRUE	never evaluated
FALSE	never evaluated

|| next > 3

next > 3	Description
TRUE	never evaluated
FALSE	never evaluated

)

0

20

fatal("chan_set_istate: bad state %d -> %d", c->istate, next);

never executed: fatal("chan_set_istate: bad state %d -> %d", c->istate, next);

0

21

debug2("channel %d: input %s -> %s", c->self, istates[c->istate],

-

22

istates[next]);

-

23

c->istate = next;

-

24

}

never executed: end of block

0

25

-

26

static void

-

27

chan_set_ostate(Channel *c, u_int next)

-

28

{

-

29

if (c->ostate > 3

c->ostate > 3	Description
TRUE	never evaluated
FALSE	never evaluated

|| next > 3

next > 3	Description
TRUE	never evaluated
FALSE	never evaluated

)

0

30

fatal("chan_set_ostate: bad state %d -> %d", c->ostate, next);

never executed: fatal("chan_set_ostate: bad state %d -> %d", c->ostate, next);

0

31

debug2("channel %d: output %s -> %s", c->self, ostates[c->ostate],

-

32

ostates[next]);

-

33

c->ostate = next;

-

34

}

never executed: end of block

0

35

-

36

void

-

37

chan_read_failed(struct ssh *ssh, Channel *c)

-

38

{

-

39

debug2("channel %d: read failed", c->self);

-

40

switch (c->istate) {

-

41

case

never executed: case 0:

0:

never executed: case 0:

0

42

chan_shutdown_read(ssh, c);

-

43

chan_set_istate(c, 1);

-

44

break;

never executed: break;

0

45

default

never executed: default:

:

never executed: default:

0

46

error("channel %d: chan_read_failed for istate %d",

-

47

c->self, c->istate);

-

48

break;

never executed: break;

0

49

}

-

50

}

-

51

-

52

void

-

53

chan_ibuf_empty(struct ssh *ssh, Channel *c)

-

54

{

-

55

debug2("channel %d: ibuf empty", c->self);

-

56

if (sshbuf_len(c->input)

sshbuf_len(c->input)	Description
TRUE	never evaluated
FALSE	never evaluated

) {

0

57

error("channel %d: chan_ibuf_empty for non empty buffer",

-

58

c->self);

-

59

return;

never executed: return;

0

60

}

-

61

switch (c->istate) {

-

62

case

never executed: case 1:

1:

never executed: case 1:

0

63

if (!(c->flags & (0x01|0x10))

!(c->flags & (0x01\|0x10))	Description
TRUE	never evaluated
FALSE	never evaluated

)

0

64

chan_send_eof2(ssh, c);

never executed: chan_send_eof2(ssh, c);

0

65

chan_set_istate(c, 3);

-

66

break;

never executed: break;

0

67

default

never executed: default:

:

never executed: default:

0

68

error("channel %d: chan_ibuf_empty for istate %d",

-

69

c->self, c->istate);

-

70

break;

never executed: break;

0

71

}

-

72

}

-

73

-

74

void

-

75

chan_obuf_empty(struct ssh *ssh, Channel *c)

-

76

{

-

77

debug2("channel %d: obuf empty", c->self);

-

78

if (sshbuf_len(c->output)

sshbuf_len(c->output)	Description
TRUE	never evaluated
FALSE	never evaluated

) {

0

79

error("channel %d: chan_obuf_empty for non empty buffer",

-

80

c->self);

-

81

return;

never executed: return;

0

82

}

-

83

switch (c->ostate) {

-

84

case

never executed: case 1:

1:

never executed: case 1:

0

85

chan_shutdown_write(ssh, c);

-

86

chan_set_ostate(c, 3);

-

87

break;

never executed: break;

0

88

default

never executed: default:

:

never executed: default:

0

89

error("channel %d: internal error: obuf_empty for ostate %d",

-

90

c->self, c->ostate);

-

91

break;

never executed: break;

0

92

}

-

93

}

-

94

-

95

void

-

96

chan_rcvd_eow(struct ssh *ssh, Channel *c)

-

97

{

-

98

debug2("channel %d: rcvd eow", c->self);

-

99

switch (c->istate) {

-

100

case

never executed: case 0:

0:

never executed: case 0:

0

101

chan_shutdown_read(ssh, c);

-

102

chan_set_istate(c, 3);

-

103

break;

never executed: break;

0

104

}

-

105

}

never executed: end of block

0

106

-

107

static void

-

108

chan_send_eof2(struct ssh *ssh, Channel *c)

-

109

{

-

110

int r;

-

111

-

112

debug2("channel %d: send eof", c->self);

-

113

switch (c->istate) {

-

114

case

never executed: case 1:

1:

never executed: case 1:

0

115

if (!c->have_remote_id

!c->have_remote_id	Description
TRUE	never evaluated
FALSE	never evaluated

)

0

116

fatal("%s: channel %d: no remote_id",

never executed: fatal("%s: channel %d: no remote_id", __func__, c->self);

0

117

__func__, c->self);

never executed: fatal("%s: channel %d: no remote_id", __func__, c->self);

0

118

if ((

(r = sshpkt_st...ssh, 96)) != 0	Description
TRUE	never evaluated
FALSE	never evaluated

r = sshpkt_start(ssh, 96)) != 0

(r = sshpkt_st...ssh, 96)) != 0	Description
TRUE	never evaluated
FALSE	never evaluated

||

0

119

(

(r = sshpkt_pu...mote_id)) != 0	Description
TRUE	never evaluated
FALSE	never evaluated

r = sshpkt_put_u32(ssh, c->remote_id)) != 0

(r = sshpkt_pu...mote_id)) != 0	Description
TRUE	never evaluated
FALSE	never evaluated

||

0

120

(

(r = sshpkt_send(ssh)) != 0	Description
TRUE	never evaluated
FALSE	never evaluated

r = sshpkt_send(ssh)) != 0

(r = sshpkt_send(ssh)) != 0	Description
TRUE	never evaluated
FALSE	never evaluated

)

0

121

fatal("%s: send CHANNEL_EOF: %s", __func__, ssh_err(r));

never executed: fatal("%s: send CHANNEL_EOF: %s", __func__, ssh_err(r));

0

122

c->flags |= 0x04;

-

123

break;

never executed: break;

0

124

default

never executed: default:

:

never executed: default:

0

125

error("channel %d: cannot send eof for istate %d",

-

126

c->self, c->istate);

-

127

break;

never executed: break;

0

128

}

-

129

}

-

130

-

131

static void

-

132

chan_send_close2(struct ssh *ssh, Channel *c)

-

133

{

-

134

int r;

-

135

-

136

debug2("channel %d: send close", c->self);

-

137

if (c->ostate != 3

c->ostate != 3	Description
TRUE	never evaluated
FALSE	never evaluated

||

0

138

c->istate != 3

c->istate != 3	Description
TRUE	never evaluated
FALSE	never evaluated

) {

0

139

error("channel %d: cannot send close for istate/ostate %d/%d",

-

140

c->self, c->istate, c->ostate);

-

141

}

never executed: end of block

else if (c->flags & 0x01

c->flags & 0x01	Description
TRUE	never evaluated
FALSE	never evaluated

) {

0

142

error("channel %d: already sent close", c->self);

-

143

}

never executed: end of block

else {

0

144

if (!c->have_remote_id

!c->have_remote_id	Description
TRUE	never evaluated
FALSE	never evaluated

)

0

145

fatal("%s: channel %d: no remote_id",

never executed: fatal("%s: channel %d: no remote_id", __func__, c->self);

0

146

__func__, c->self);

never executed: fatal("%s: channel %d: no remote_id", __func__, c->self);

0

147

if ((

(r = sshpkt_st...ssh, 97)) != 0	Description
TRUE	never evaluated
FALSE	never evaluated

r = sshpkt_start(ssh, 97)) != 0

(r = sshpkt_st...ssh, 97)) != 0	Description
TRUE	never evaluated
FALSE	never evaluated

||

0

148

(

(r = sshpkt_pu...mote_id)) != 0	Description
TRUE	never evaluated
FALSE	never evaluated

r = sshpkt_put_u32(ssh, c->remote_id)) != 0

(r = sshpkt_pu...mote_id)) != 0	Description
TRUE	never evaluated
FALSE	never evaluated

||

0

149

(

(r = sshpkt_send(ssh)) != 0	Description
TRUE	never evaluated
FALSE	never evaluated

r = sshpkt_send(ssh)) != 0

(r = sshpkt_send(ssh)) != 0	Description
TRUE	never evaluated
FALSE	never evaluated

)

0

150

fatal("%s: send CHANNEL_EOF: %s", __func__, ssh_err(r));

never executed: fatal("%s: send CHANNEL_EOF: %s", __func__, ssh_err(r));

0

151

c->flags |= 0x01;

-

152

}

never executed: end of block

0

153

}

-

154

-

155

static void

-

156

chan_send_eow2(struct ssh *ssh, Channel *c)

-

157

{

-

158

int r;

-

159

-

160

debug2("channel %d: send eow", c->self);

-

161

if (c->ostate == 3

c->ostate == 3	Description
TRUE	never evaluated
FALSE	never evaluated

) {

0

162

error("channel %d: must not sent eow on closed output",

-

163

c->self);

-

164

return;

never executed: return;

0

165

}

-

166

if (!(datafellows & 0x04000000)

!(datafellows & 0x04000000)	Description
TRUE	never evaluated
FALSE	never evaluated

)

0

167

return;

never executed: return;

0

168

if (!c->have_remote_id

!c->have_remote_id	Description
TRUE	never evaluated
FALSE	never evaluated

)

0

169

fatal("%s: channel %d: no remote_id", __func__, c->self);

never executed: fatal("%s: channel %d: no remote_id", __func__, c->self);

0

170

if ((

(r = sshpkt_st...ssh, 98)) != 0	Description
TRUE	never evaluated
FALSE	never evaluated

r = sshpkt_start(ssh, 98)) != 0

(r = sshpkt_st...ssh, 98)) != 0	Description
TRUE	never evaluated
FALSE	never evaluated

||

0

171

(

(r = sshpkt_pu...mote_id)) != 0	Description
TRUE	never evaluated
FALSE	never evaluated

r = sshpkt_put_u32(ssh, c->remote_id)) != 0

(r = sshpkt_pu...mote_id)) != 0	Description
TRUE	never evaluated
FALSE	never evaluated

||

0

172

(

(r = sshpkt_pu...sh.com")) != 0	Description
TRUE	never evaluated
FALSE	never evaluated

r = sshpkt_put_cstring(ssh, "eow@openssh.com")) != 0

(r = sshpkt_pu...sh.com")) != 0	Description
TRUE	never evaluated
FALSE	never evaluated

||

0

173

(

(r = sshpkt_pu...(ssh, 0)) != 0	Description
TRUE	never evaluated
FALSE	never evaluated

r = sshpkt_put_u8(ssh, 0)) != 0

(r = sshpkt_pu...(ssh, 0)) != 0	Description
TRUE	never evaluated
FALSE	never evaluated

||

0

174

(

(r = sshpkt_send(ssh)) != 0	Description
TRUE	never evaluated
FALSE	never evaluated

r = sshpkt_send(ssh)) != 0

(r = sshpkt_send(ssh)) != 0	Description
TRUE	never evaluated
FALSE	never evaluated

)

0

175

fatal("%s: send CHANNEL_EOF: %s", __func__, ssh_err(r));

never executed: fatal("%s: send CHANNEL_EOF: %s", __func__, ssh_err(r));

0

176

}

never executed: end of block

0

-

-

-

void

-

181

chan_rcvd_ieof(struct ssh *ssh, Channel *c)

-

182

{

-

183

debug2("channel %d: rcvd eof", c->self);

-

184

c->flags |= 0x08;

-

185

if (c->ostate == 0

c->ostate == 0	Description
TRUE	never evaluated
FALSE	never evaluated

)

0

186

chan_set_ostate(c, 1);

never executed: chan_set_ostate(c, 1);

0

187

if (c->ostate == 1

c->ostate == 1	Description
TRUE	never evaluated
FALSE	never evaluated

&&

0

188

sshbuf_len(c->output) == 0

sshbuf_len(c->output) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

&&

0

189

!(c->extended_usage == 2

c->extended_usage == 2	Description
TRUE	never evaluated
FALSE	never evaluated

&& c->efd != -1

c->efd != -1	Description
TRUE	never evaluated
FALSE	never evaluated

&& (!(c->flags & (0x08|0x02))

!(c->flags & (0x08\|0x02))	Description
TRUE	never evaluated
FALSE	never evaluated

|| sshbuf_len(c->extended) > 0

sshbuf_len(c->extended) > 0	Description
TRUE	never evaluated
FALSE	never evaluated

)))

0

190

chan_obuf_empty(ssh, c);

never executed: chan_obuf_empty(ssh, c);

0

191

}

never executed: end of block

0

192

-

193

void

-

194

chan_rcvd_oclose(struct ssh *ssh, Channel *c)

-

195

{

-

196

debug2("channel %d: rcvd close", c->self);

-

197

if (!(c->flags & 0x10)

!(c->flags & 0x10)	Description
TRUE	never evaluated
FALSE	never evaluated

) {

0

198

if (c->flags & 0x02

c->flags & 0x02	Description
TRUE	never evaluated
FALSE	never evaluated

)

0

199

error("channel %d: protocol error: close rcvd twice",

never executed: error("channel %d: protocol error: close rcvd twice", c->self);

0

200

c->self);

never executed: error("channel %d: protocol error: close rcvd twice", c->self);

0

201

c->flags |= 0x02;

-

202

}

never executed: end of block

0

203

if (c->type == 10

c->type == 10	Description
TRUE	never evaluated
FALSE	never evaluated

) {

0

204

-

205

chan_set_ostate(c, 3);

-

206

chan_set_istate(c, 3);

-

207

return;

never executed: return;

0

208

}

-

209

switch (c->ostate) {

-

210

case

never executed: case 0:

0:

never executed: case 0:

0

-

-

-

-

chan_set_ostate(c, 1);

-

216

break;

never executed: break;

0

217

}

-

218

switch (c->istate) {

-

219

case

never executed: case 0:

0:

never executed: case 0:

0

220

chan_shutdown_read(ssh, c);

-

221

chan_set_istate(c, 3);

-

222

break;

never executed: break;

0

223

case

never executed: case 1:

1:

never executed: case 1:

0

224

if (!(c->flags & 0x10)

!(c->flags & 0x10)	Description
TRUE	never evaluated
FALSE	never evaluated

)

0

225

chan_send_eof2(ssh, c);

never executed: chan_send_eof2(ssh, c);

0

226

chan_set_istate(c, 3);

-

227

break;

never executed: break;

0

228

}

-

229

}

never executed: end of block

0

230

-

231

void

-

232

chan_write_failed(struct ssh *ssh, Channel *c)

-

233

{

-

234

debug2("channel %d: write failed", c->self);

-

235

switch (c->ostate) {

-

236

case

never executed: case 0:

0:

never executed: case 0:

0

237

case

never executed: case 1:

1:

never executed: case 1:

0

238

chan_shutdown_write(ssh, c);

-

239

if (

-

240

__extension__ ({ size_t __s1_len, __s2_len; (__builtin_constant_p (

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

241

c->ctype

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

242

) && __builtin_constant_p (

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

243

"session"

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

244

) && (__s1_len = __builtin_strlen (

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

245

c->ctype

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

246

), __s2_len = __builtin_strlen (

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

247

"session"

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

248

), (!((size_t)(const void *)((

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

249

c->ctype

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

250

) + 1) - (size_t)(const void *)(

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

251

c->ctype

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

252

) == 1) || __s1_len >= 4) && (!((size_t)(const void *)((

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

253

"session"

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

254

) + 1) - (size_t)(const void *)(

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

255

"session"

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

256

) == 1) || __s2_len >= 4)) ? __builtin_strcmp (

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

257

c->ctype

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

258

,

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

259

"session"

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

260

) : (__builtin_constant_p (

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

261

c->ctype

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

262

) && ((size_t)(const void *)((

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

263

c->ctype

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

264

) + 1) - (size_t)(const void *)(

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

265

c->ctype

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

266

) == 1) && (__s1_len = __builtin_strlen (

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

267

c->ctype

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

268

), __s1_len < 4) ? (__builtin_constant_p (

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

269

"session"

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

270

) && ((size_t)(const void *)((

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

271

"session"

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

272

) + 1) - (size_t)(const void *)(

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

273

"session"

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

274

) == 1) ? __builtin_strcmp (

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

275

c->ctype

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

276

,

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

277

"session"

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

278

) : (__extension__ ({ const unsigned char *__s2 = (const unsigned char *) (const char *) (

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

279

"session"

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

280

); int __result = (((const unsigned char *) (const char *) (

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

281

c->ctype

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

282

))[0] - __s2[0]); if (__s1_len > 0

__s1_len > 0	Description
TRUE	never evaluated
FALSE	never evaluated

&& __result == 0

__result == 0	Description
TRUE	never evaluated
FALSE	never evaluated

) { __result = (((const unsigned char *) (const char *) (

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

283

c->ctype

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

284

))[1] - __s2[1]); if (__s1_len > 1

__s1_len > 1	Description
TRUE	never evaluated
FALSE	never evaluated

&& __result == 0

__result == 0	Description
TRUE	never evaluated
FALSE	never evaluated

) { __result = (((const unsigned char *) (const char *) (

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

285

c->ctype

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

286

))[2] - __s2[2]); if (__s1_len > 2

__s1_len > 2	Description
TRUE	never evaluated
FALSE	never evaluated

&& __result == 0

__result == 0	Description
TRUE	never evaluated
FALSE	never evaluated

) __result = (((const unsigned char *) (const char *) (

never executed: __result = (((const unsigned char *) (const char *) ( c->ctype ))[3] - __s2[3]);

0

287

c->ctype

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

never executed: __result = (((const unsigned char *) (const char *) ( c->ctype ))[3] - __s2[3]);

0

288

))[3] - __s2[3]); } } __result; }))) : (__builtin_constant_p (

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

289

"session"

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

290

) && ((size_t)(const void *)((

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

291

"session"

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

292

) + 1) - (size_t)(const void *)(

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

293

"session"

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

294

) == 1) && (__s2_len = __builtin_strlen (

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

295

"session"

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

296

), __s2_len < 4) ? (__builtin_constant_p (

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

297

c->ctype

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

298

) && ((size_t)(const void *)((

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

299

c->ctype

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

300

) + 1) - (size_t)(const void *)(

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

301

c->ctype

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

302

) == 1) ? __builtin_strcmp (

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

303

c->ctype

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

304

,

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

305

"session"

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

306

) : -(__extension__ ({ const unsigned char *__s2 = (const unsigned char *) (const char *) (

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

307

c->ctype

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

308

); int __result = (((const unsigned char *) (const char *) (

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

309

"session"

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

310

))[0] - __s2[0]); if (__s2_len > 0

__s2_len > 0	Description
TRUE	never evaluated
FALSE	never evaluated

&& __result == 0

__result == 0	Description
TRUE	never evaluated
FALSE	never evaluated

) { __result = (((const unsigned char *) (const char *) (

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

311

"session"

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

312

))[1] - __s2[1]); if (__s2_len > 1

__s2_len > 1	Description
TRUE	never evaluated
FALSE	never evaluated

&& __result == 0

__result == 0	Description
TRUE	never evaluated
FALSE	never evaluated

) { __result = (((const unsigned char *) (const char *) (

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

313

"session"

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

314

))[2] - __s2[2]); if (__s2_len > 2

__s2_len > 2	Description
TRUE	never evaluated
FALSE	never evaluated

&& __result == 0

__result == 0	Description
TRUE	never evaluated
FALSE	never evaluated

) __result = (((const unsigned char *) (const char *) (

never executed: __result = (((const unsigned char *) (const char *) ( "session" ))[3] - __s2[3]);

0

315

"session"

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

never executed: __result = (((const unsigned char *) (const char *) ( "session" ))[3] - __s2[3]);

0

316

))[3] - __s2[3]); } } __result; }))) : __builtin_strcmp (

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

317

c->ctype

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

318

,

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

319

"session"

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

320

)))); })

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

321

== 0

__extension__ ... )))); }) == 0	Description
TRUE	never evaluated
FALSE	never evaluated

)

0

322

chan_send_eow2(ssh, c);

never executed: chan_send_eow2(ssh, c);

0

323

chan_set_ostate(c, 3);

-

324

break;

never executed: break;

0

325

default

never executed: default:

:

never executed: default:

0

326

error("channel %d: chan_write_failed for ostate %d",

-

327

c->self, c->ostate);

-

328

break;

never executed: break;

0

329

}

-

330

}

-

331

-

332

void

-

333

chan_mark_dead(struct ssh *ssh, Channel *c)

-

334

{

-

335

c->type = 14;

-

336

}

never executed: end of block

0

337

-

338

int

-

339

chan_is_dead(struct ssh *ssh, Channel *c, int do_send)

-

340

{

-

341

if (c->type == 14

c->type == 14	Description
TRUE	never evaluated
FALSE	never evaluated

) {

0

342

debug2("channel %d: zombie", c->self);

-

343

return

never executed: return 1;

1;

never executed: return 1;

0

344

}

-

345

if (c->istate != 3

c->istate != 3	Description
TRUE	never evaluated
FALSE	never evaluated

|| c->ostate != 3

c->ostate != 3	Description
TRUE	never evaluated
FALSE	never evaluated

)

0

346

return

never executed: return 0;

0;

never executed: return 0;

0

347

if ((

(datafellows & 0x00200000)	Description
TRUE	never evaluated
FALSE	never evaluated

datafellows & 0x00200000)

(datafellows & 0x00200000)	Description
TRUE	never evaluated
FALSE	never evaluated

&&

0

348

c->extended_usage == 2

c->extended_usage == 2	Description
TRUE	never evaluated
FALSE	never evaluated

&&

0

349

c->efd != -1

c->efd != -1	Description
TRUE	never evaluated
FALSE	never evaluated

&&

0

350

sshbuf_len(c->extended) > 0

sshbuf_len(c->extended) > 0	Description
TRUE	never evaluated
FALSE	never evaluated

) {

0

351

debug2("channel %d: active efd: %d len %zu",

-

352

c->self, c->efd, sshbuf_len(c->extended));

-

353

return

never executed: return 0;

0;

never executed: return 0;

0

354

}

-

355

if (c->flags & 0x10

c->flags & 0x10	Description
TRUE	never evaluated
FALSE	never evaluated

) {

0

356

debug2("channel %d: is dead (local)", c->self);

-

357

return

never executed: return 1;

1;

never executed: return 1;

0

358

}

-

359

if (!(c->flags & 0x01)

!(c->flags & 0x01)	Description
TRUE	never evaluated
FALSE	never evaluated

) {

0

360

if (do_send

do_send	Description
TRUE	never evaluated
FALSE	never evaluated

) {

0

361

chan_send_close2(ssh, c);

-

362

}

never executed: end of block

else {

0

363

-

364

if (c->flags & 0x02

c->flags & 0x02	Description
TRUE	never evaluated
FALSE	never evaluated

) {

0

365

debug2("channel %d: almost dead",

-

366

c->self);

-

367

return

never executed: return 1;

1;

never executed: return 1;

0

368

}

-

369

}

never executed: end of block

0

370

}

-

371

if ((

(c->flags & 0x01)	Description
TRUE	never evaluated
FALSE	never evaluated

c->flags & 0x01)

(c->flags & 0x01)	Description
TRUE	never evaluated
FALSE	never evaluated

&&

0

372

(

(c->flags & 0x02)	Description
TRUE	never evaluated
FALSE	never evaluated

c->flags & 0x02)

(c->flags & 0x02)	Description
TRUE	never evaluated
FALSE	never evaluated

) {

0

373

debug2("channel %d: is dead", c->self);

-

374

return

never executed: return 1;

1;

never executed: return 1;

0

375

}

-

376

return

never executed: return 0;

0;

never executed: return 0;

0

377

}

-

378

-

379

-

380

static void

-

381

chan_shutdown_write(struct ssh *ssh, Channel *c)

-

382

{

-

383

sshbuf_reset(c->output);

-

384

if (c->type == 10

c->type == 10	Description
TRUE	never evaluated
FALSE	never evaluated

)

0

385

return;

never executed: return;

0

386

-

387

debug2("channel %d: close_write", c->self);

-

388

if (c->sock != -1

c->sock != -1	Description
TRUE	never evaluated
FALSE	never evaluated

) {

0

389

if (shutdown(c->sock,

shutdown(c->so... SHUT_WR ) < 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

390

SHUT_WR

shutdown(c->so... SHUT_WR ) < 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

391

) < 0

shutdown(c->so... SHUT_WR ) < 0	Description
TRUE	never evaluated
FALSE	never evaluated

)

0

392

debug2("channel %d: chan_shutdown_write: "

never executed:

debug2("channel %d: chan_shutdown_write: " "shutdown() failed for fd %d: %.100s", c->self, c->sock, strerror( (*__errno_location ()) ));

0

393

"shutdown() failed for fd %d: %.100s",

never executed:

debug2("channel %d: chan_shutdown_write: " "shutdown() failed for fd %d: %.100s", c->self, c->sock, strerror( (*__errno_location ()) ));

0

394

c->self, c->sock, strerror(

never executed:

debug2("channel %d: chan_shutdown_write: " "shutdown() failed for fd %d: %.100s", c->self, c->sock, strerror( (*__errno_location ()) ));

0

395

(*__errno_location ())

never executed:

debug2("channel %d: chan_shutdown_write: " "shutdown() failed for fd %d: %.100s", c->self, c->sock, strerror( (*__errno_location ()) ));

0

396

));

never executed:

debug2("channel %d: chan_shutdown_write: " "shutdown() failed for fd %d: %.100s", c->self, c->sock, strerror( (*__errno_location ()) ));

0

397

}

never executed: end of block

else {

0

398

if (channel_close_fd(ssh, &c->wfd) < 0

channel_close_..., &c->wfd) < 0	Description
TRUE	never evaluated
FALSE	never evaluated

)

0

399

logit("channel %d: chan_shutdown_write: "

never executed:

logit("channel %d: chan_shutdown_write: " "close() failed for fd %d: %.100s", c->self, c->wfd, strerror( (*__errno_location ()) ));

0

400

"close() failed for fd %d: %.100s",

never executed:

logit("channel %d: chan_shutdown_write: " "close() failed for fd %d: %.100s", c->self, c->wfd, strerror( (*__errno_location ()) ));

0

401

c->self, c->wfd, strerror(

never executed:

logit("channel %d: chan_shutdown_write: " "close() failed for fd %d: %.100s", c->self, c->wfd, strerror( (*__errno_location ()) ));

0

402

(*__errno_location ())

never executed:

logit("channel %d: chan_shutdown_write: " "close() failed for fd %d: %.100s", c->self, c->wfd, strerror( (*__errno_location ()) ));

0

403

));

never executed:

logit("channel %d: chan_shutdown_write: " "close() failed for fd %d: %.100s", c->self, c->wfd, strerror( (*__errno_location ()) ));

0

404

}

never executed: end of block

0

405

}

-

406

-

407

static void

-

408

chan_shutdown_read(struct ssh *ssh, Channel *c)

-

409

{

-

410

if (c->type == 10

c->type == 10	Description
TRUE	never evaluated
FALSE	never evaluated

)

0

411

return;

never executed: return;

0

412

debug2("channel %d: close_read", c->self);

-

413

if (c->sock != -1

c->sock != -1	Description
TRUE	never evaluated
FALSE	never evaluated

) {

0

-

-

-

-

-

if (shutdown(c->sock,

shutdown(c->so... SHUT_RD ) < 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

420

SHUT_RD

shutdown(c->so... SHUT_RD ) < 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

421

) < 0

shutdown(c->so... SHUT_RD ) < 0	Description
TRUE	never evaluated
FALSE	never evaluated

0

422

&&

-

423

(*

(*__errno_location ()) != 107	Description
TRUE	never evaluated
FALSE	never evaluated

__errno_location ())

(*__errno_location ()) != 107	Description
TRUE	never evaluated
FALSE	never evaluated

0

424

!=

(*__errno_location ()) != 107	Description
TRUE	never evaluated
FALSE	never evaluated

0

425

107

(*__errno_location ()) != 107	Description
TRUE	never evaluated
FALSE	never evaluated

0

426

)

-

427

error("channel %d: chan_shutdown_read: "

never executed:

error("channel %d: chan_shutdown_read: " "shutdown() failed for fd %d [i%d o%d]: %.100s", c->self, c->sock, c->istate, c->ostate, strerror( (*__errno_location ()) ));

0

428

"shutdown() failed for fd %d [i%d o%d]: %.100s",

never executed:

error("channel %d: chan_shutdown_read: " "shutdown() failed for fd %d [i%d o%d]: %.100s", c->self, c->sock, c->istate, c->ostate, strerror( (*__errno_location ()) ));

0

429

c->self, c->sock, c->istate, c->ostate,

never executed:

error("channel %d: chan_shutdown_read: " "shutdown() failed for fd %d [i%d o%d]: %.100s", c->self, c->sock, c->istate, c->ostate, strerror( (*__errno_location ()) ));

0

430

strerror(

never executed:

error("channel %d: chan_shutdown_read: " "shutdown() failed for fd %d [i%d o%d]: %.100s", c->self, c->sock, c->istate, c->ostate, strerror( (*__errno_location ()) ));

0

431

(*__errno_location ())

never executed:

error("channel %d: chan_shutdown_read: " "shutdown() failed for fd %d [i%d o%d]: %.100s", c->self, c->sock, c->istate, c->ostate, strerror( (*__errno_location ()) ));

0

432

));

never executed:

error("channel %d: chan_shutdown_read: " "shutdown() failed for fd %d [i%d o%d]: %.100s", c->self, c->sock, c->istate, c->ostate, strerror( (*__errno_location ()) ));

0

433

}

never executed: end of block

else {

0

434

if (channel_close_fd(ssh, &c->rfd) < 0

channel_close_..., &c->rfd) < 0	Description
TRUE	never evaluated
FALSE	never evaluated

)

0

435

logit("channel %d: chan_shutdown_read: "

never executed:

logit("channel %d: chan_shutdown_read: " "close() failed for fd %d: %.100s", c->self, c->rfd, strerror( (*__errno_location ()) ));

0

436

"close() failed for fd %d: %.100s",

never executed:

logit("channel %d: chan_shutdown_read: " "close() failed for fd %d: %.100s", c->self, c->rfd, strerror( (*__errno_location ()) ));

0

437

c->self, c->rfd, strerror(

never executed:

logit("channel %d: chan_shutdown_read: " "close() failed for fd %d: %.100s", c->self, c->rfd, strerror( (*__errno_location ()) ));

0

438

(*__errno_location ())

never executed:

logit("channel %d: chan_shutdown_read: " "close() failed for fd %d: %.100s", c->self, c->rfd, strerror( (*__errno_location ()) ));

0

439

));

never executed:

logit("channel %d: chan_shutdown_read: " "close() failed for fd %d: %.100s", c->self, c->rfd, strerror( (*__errno_location ()) ));

0

440

}

never executed: end of block

0

441

}

-