dso_dlfcn.c

Line

Source

Count

1

-

-

-

-

-

-

-

-

static int dlfcn_load(DSO *dso);

-

10

static int dlfcn_unload(DSO *dso);

-

11

static DSO_FUNC_TYPE dlfcn_bind_func(DSO *dso, const char *symname);

-

12

static char *dlfcn_name_converter(DSO *dso, const char *filename);

-

13

static char *dlfcn_merger(DSO *dso, const char *filespec1,

-

14

const char *filespec2);

-

15

static int dlfcn_pathbyaddr(void *addr, char *path, int sz);

-

16

static void *dlfcn_globallookup(const char *name);

-

17

-

18

static DSO_METHOD dso_meth_dlfcn = {

-

19

"OpenSSL 'dlfcn' shared library method",

-

20

dlfcn_load,

-

21

dlfcn_unload,

-

22

dlfcn_bind_func,

-

23

-

24

((void *)0)

-

25

,

-

26

dlfcn_name_converter,

-

27

dlfcn_merger,

-

28

-

29

((void *)0)

-

30

,

-

31

-

32

((void *)0)

-

33

,

-

34

dlfcn_pathbyaddr,

-

35

dlfcn_globallookup

-

36

};

-

37

-

38

DSO_METHOD *DSO_METHOD_openssl(void)

-

39

{

-

40

return

executed 368 times by 1 test: return &dso_meth_dlfcn;

Executed by:

libcrypto.so.1.1

&dso_meth_dlfcn;

executed 368 times by 1 test: return &dso_meth_dlfcn;

Executed by:

libcrypto.so.1.1

368

41

}

-

42

static int dlfcn_load(DSO *dso)

-

43

{

-

44

void *ptr =

-

45

((void *)0)

-

46

;

-

47

-

48

char *filename = DSO_convert_filename(dso,

-

49

((void *)0)

-

50

);

-

51

int flags =

-

52

0x00002

-

53

;

-

54

-

55

if (filename ==

filename == ((void *)0)	Description
TRUE	never evaluated
FALSE	evaluated 368 times by 1 test Evaluated by: libcrypto.so.1.1

0-368

56

((void *)0)

filename == ((void *)0)	Description
TRUE	never evaluated
FALSE	evaluated 368 times by 1 test Evaluated by: libcrypto.so.1.1

0-368

57

) {

-

58

ERR_put_error(37,(102),(111),__FILE__,104);

-

59

goto

never executed: goto err;

err;

never executed: goto err;

0

60

}

-

61

-

62

if (dso->flags & 0x20

dso->flags & 0x20	Description
TRUE	never evaluated
FALSE	evaluated 368 times by 1 test Evaluated by: libcrypto.so.1.1

)

0-368

63

flags |=

never executed: flags |= 0x00100 ;

0

64

0x00100

never executed: flags |= 0x00100 ;

0

65

;

never executed: flags |= 0x00100 ;

0

-

-

-

-

-

ptr = dlopen(filename, flags);

-

72

if (ptr ==

ptr == ((void *)0)	Description
TRUE	never evaluated
FALSE	evaluated 368 times by 1 test Evaluated by: libcrypto.so.1.1

0-368

73

((void *)0)

ptr == ((void *)0)	Description
TRUE	never evaluated
FALSE	evaluated 368 times by 1 test Evaluated by: libcrypto.so.1.1

0-368

74

) {

-

75

ERR_put_error(37,(102),(103),__FILE__,117);

-

76

ERR_add_error_data(4, "filename(", filename, "): ", dlerror());

-

77

goto

never executed: goto err;

err;

never executed: goto err;

0

78

}

-

79

if (!sk_void_push(dso->meth_data, (char *)ptr)

!sk_void_push(..., (char *)ptr)	Description
TRUE	never evaluated
FALSE	evaluated 368 times by 1 test Evaluated by: libcrypto.so.1.1

) {

0-368

80

ERR_put_error(37,(102),(105),__FILE__,122);

-

81

goto

never executed: goto err;

err;

never executed: goto err;

0

82

}

-

83

-

84

dso->loaded_filename = filename;

-

85

return

executed 368 times by 1 test: return 1;

Executed by:

libcrypto.so.1.1

1;

executed 368 times by 1 test: return 1;

Executed by:

libcrypto.so.1.1

368

86

err:

-

87

-

88

CRYPTO_free(filename, __FILE__, 130);

-

89

if (ptr !=

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

0

90

((void *)0)

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

0

91

)

-

92

dlclose(ptr);

never executed: dlclose(ptr);

0

93

return

never executed: return 0;

0;

never executed: return 0;

0

94

}

-

95

-

96

static int dlfcn_unload(DSO *dso)

-

97

{

-

98

void *ptr;

-

99

if (dso ==

dso == ((void *)0)	Description
TRUE	never evaluated
FALSE	evaluated 368 times by 1 test Evaluated by: libcrypto.so.1.1

0-368

100

((void *)0)

dso == ((void *)0)	Description
TRUE	never evaluated
FALSE	evaluated 368 times by 1 test Evaluated by: libcrypto.so.1.1

0-368

101

) {

-

102

ERR_put_error(37,(103),((3|64)),__FILE__,140);

-

103

return

never executed: return 0;

0;

never executed: return 0;

0

104

}

-

105

if (sk_void_num(dso->meth_data) < 1

sk_void_num(ds...meth_data) < 1	Description
TRUE	never evaluated
FALSE	evaluated 368 times by 1 test Evaluated by: libcrypto.so.1.1

)

0-368

106

return

never executed: return 1;

1;

never executed: return 1;

0

107

ptr = sk_void_pop(dso->meth_data);

-

108

if (ptr ==

ptr == ((void *)0)	Description
TRUE	never evaluated
FALSE	evaluated 368 times by 1 test Evaluated by: libcrypto.so.1.1

0-368

109

((void *)0)

ptr == ((void *)0)	Description
TRUE	never evaluated
FALSE	evaluated 368 times by 1 test Evaluated by: libcrypto.so.1.1

0-368

110

) {

-

111

ERR_put_error(37,(103),(104),__FILE__,147);

-

-

-

-

sk_void_push(dso->meth_data, ptr);

-

116

return

never executed: return 0;

0;

never executed: return 0;

0

117

}

-

118

-

119

dlclose(ptr);

-

120

return

executed 368 times by 1 test: return 1;

Executed by:

libcrypto.so.1.1

1;

executed 368 times by 1 test: return 1;

Executed by:

libcrypto.so.1.1

368

121

}

-

122

-

123

static DSO_FUNC_TYPE dlfcn_bind_func(DSO *dso, const char *symname)

-

124

{

-

125

void *ptr;

-

126

union {

-

127

DSO_FUNC_TYPE sym;

-

128

void *dlret;

-

129

} u;

-

130

-

131

if ((

(dso == ((void *)0) )	Description
TRUE	never evaluated
FALSE	evaluated 736 times by 1 test Evaluated by: libcrypto.so.1.1

dso ==

(dso == ((void *)0) )	Description
TRUE	never evaluated
FALSE	evaluated 736 times by 1 test Evaluated by: libcrypto.so.1.1

0-736

132

((void *)0)

(dso == ((void *)0) )	Description
TRUE	never evaluated
FALSE	evaluated 736 times by 1 test Evaluated by: libcrypto.so.1.1

0-736

133

)

(dso == ((void *)0) )	Description
TRUE	never evaluated
FALSE	evaluated 736 times by 1 test Evaluated by: libcrypto.so.1.1

|| (

(symname == ((void *)0) )	Description
TRUE	never evaluated
FALSE	evaluated 736 times by 1 test Evaluated by: libcrypto.so.1.1

symname ==

(symname == ((void *)0) )	Description
TRUE	never evaluated
FALSE	evaluated 736 times by 1 test Evaluated by: libcrypto.so.1.1

0-736

134

((void *)0)

(symname == ((void *)0) )	Description
TRUE	never evaluated
FALSE	evaluated 736 times by 1 test Evaluated by: libcrypto.so.1.1

0-736

135

)

(symname == ((void *)0) )	Description
TRUE	never evaluated
FALSE	evaluated 736 times by 1 test Evaluated by: libcrypto.so.1.1

) {

0-736

136

ERR_put_error(37,(100),((3|64)),__FILE__,168);

-

137

return

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

0

138

((void *)0)

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

0

139

;

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

0

140

}

-

141

if (sk_void_num(dso->meth_data) < 1

sk_void_num(ds...meth_data) < 1	Description
TRUE	never evaluated
FALSE	evaluated 736 times by 1 test Evaluated by: libcrypto.so.1.1

) {

0-736

142

ERR_put_error(37,(100),(105),__FILE__,172);

-

143

return

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

0

144

((void *)0)

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

0

145

;

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

0

146

}

-

147

ptr = sk_void_value(dso->meth_data, sk_void_num(dso->meth_data) - 1);

-

148

if (ptr ==

ptr == ((void *)0)	Description
TRUE	never evaluated
FALSE	evaluated 736 times by 1 test Evaluated by: libcrypto.so.1.1

0-736

149

((void *)0)

ptr == ((void *)0)	Description
TRUE	never evaluated
FALSE	evaluated 736 times by 1 test Evaluated by: libcrypto.so.1.1

0-736

150

) {

-

151

ERR_put_error(37,(100),(104),__FILE__,177);

-

152

return

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

0

153

((void *)0)

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

0

154

;

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

0

155

}

-

156

u.dlret = dlsym(ptr, symname);

-

157

if (u.dlret ==

u.dlret == ((void *)0)	Description
TRUE	never evaluated
FALSE	evaluated 736 times by 1 test Evaluated by: libcrypto.so.1.1

0-736

158

((void *)0)

u.dlret == ((void *)0)	Description
TRUE	never evaluated
FALSE	evaluated 736 times by 1 test Evaluated by: libcrypto.so.1.1

0-736

159

) {

-

160

ERR_put_error(37,(100),(106),__FILE__,182);

-

161

ERR_add_error_data(4, "symname(", symname, "): ", dlerror());

-

162

return

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

0

163

((void *)0)

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

0

164

;

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

0

165

}

-

166

return

executed 736 times by 1 test: return u.sym;

Executed by:

libcrypto.so.1.1

u.sym;

executed 736 times by 1 test: return u.sym;

Executed by:

libcrypto.so.1.1

736

167

}

-

168

-

169

static char *dlfcn_merger(DSO *dso, const char *filespec1,

-

170

const char *filespec2)

-

171

{

-

172

char *merged;

-

173

-

174

if (!filespec1

!filespec1	Description
TRUE	never evaluated
FALSE	evaluated 368 times by 1 test Evaluated by: libcrypto.so.1.1

&& !filespec2

!filespec2	Description
TRUE	never evaluated
FALSE	never evaluated

) {

0-368

175

ERR_put_error(37,(130),((3|64)),__FILE__,195);

-

176

return

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

0

177

((void *)0)

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

0

178

;

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

0

179

}

-

-

-

-

-

if (!filespec2

!filespec2	Description
TRUE	never evaluated
FALSE	evaluated 368 times by 1 test Evaluated by: libcrypto.so.1.1

|| (filespec1 !=

filespec1 != ((void *)0)	Description
TRUE	evaluated 368 times by 1 test Evaluated by: libcrypto.so.1.1
FALSE	never evaluated

0-368

185

((void *)0)

filespec1 != ((void *)0)	Description
TRUE	evaluated 368 times by 1 test Evaluated by: libcrypto.so.1.1
FALSE	never evaluated

0-368

186

&& filespec1[0] == '/'

filespec1[0] == '/'	Description
TRUE	never evaluated
FALSE	evaluated 368 times by 1 test Evaluated by: libcrypto.so.1.1

)) {

0-368

187

merged = CRYPTO_strdup(filespec1, __FILE__, 203);

-

188

if (merged ==

merged == ((void *)0)	Description
TRUE	never evaluated
FALSE	never evaluated

0

189

((void *)0)

merged == ((void *)0)	Description
TRUE	never evaluated
FALSE	never evaluated

0

190

) {

-

191

ERR_put_error(37,(130),((1|64)),__FILE__,205);

-

192

return

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

0

193

((void *)0)

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

0

194

;

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

0

195

}

-

196

}

never executed: end of block

0

-

-

-

else if (!filespec1

!filespec1	Description
TRUE	never evaluated
FALSE	evaluated 368 times by 1 test Evaluated by: libcrypto.so.1.1

) {

0-368

201

merged = CRYPTO_strdup(filespec2, __FILE__, 213);

-

202

if (merged ==

merged == ((void *)0)	Description
TRUE	never evaluated
FALSE	never evaluated

0

203

((void *)0)

merged == ((void *)0)	Description
TRUE	never evaluated
FALSE	never evaluated

0

204

) {

-

205

ERR_put_error(37,(130),((1|64)),__FILE__,215);

-

206

return

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

0

207

((void *)0)

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

0

208

;

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

0

209

}

-

210

}

never executed: end of block

else {

0

-

-

-

-

-

-

-

int spec2len, len;

-

219

-

220

spec2len = strlen(filespec2);

-

221

len = spec2len + strlen(filespec1);

-

222

-

223

if (spec2len

spec2len	Description
TRUE	evaluated 368 times by 1 test Evaluated by: libcrypto.so.1.1
FALSE	never evaluated

&& filespec2[spec2len - 1] == '/'

filespec2[spec2len - 1] == '/'	Description
TRUE	never evaluated
FALSE	evaluated 368 times by 1 test Evaluated by: libcrypto.so.1.1

) {

0-368

224

spec2len--;

-

225

len--;

-

226

}

never executed: end of block

0

227

merged = CRYPTO_malloc(len + 2, __FILE__, 235);

-

228

if (merged ==

merged == ((void *)0)	Description
TRUE	never evaluated
FALSE	evaluated 368 times by 1 test Evaluated by: libcrypto.so.1.1

0-368

229

((void *)0)

merged == ((void *)0)	Description
TRUE	never evaluated
FALSE	evaluated 368 times by 1 test Evaluated by: libcrypto.so.1.1

0-368

230

) {

-

231

ERR_put_error(37,(130),((1|64)),__FILE__,237);

-

232

return

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

0

233

((void *)0)

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

0

234

;

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

0

235

}

-

236

strcpy(merged, filespec2);

-

237

merged[spec2len] = '/';

-

238

strcpy(&merged[spec2len + 1], filespec1);

-

239

}

executed 368 times by 1 test: end of block

Executed by:

libcrypto.so.1.1

368

240

return

executed 368 times by 1 test: return merged;

Executed by:

libcrypto.so.1.1

merged;

executed 368 times by 1 test: return merged;

Executed by:

libcrypto.so.1.1

368

241

}

-

242

-

243

static char *dlfcn_name_converter(DSO *dso, const char *filename)

-

244

{

-

245

char *translated;

-

246

int len, rsize, transform;

-

247

-

248

len = strlen(filename);

-

249

rsize = len + 1;

-

250

transform = (strstr(filename, "/") ==

-

251

((void *)0)

-

252

);

-

253

if (transform

transform	Description
TRUE	evaluated 368 times by 1 test Evaluated by: libcrypto.so.1.1
FALSE	evaluated 368 times by 1 test Evaluated by: libcrypto.so.1.1

) {

368

254

-

255

rsize += strlen(".so");

-

256

if ((

(DSO_flags(dso) & 0x02) == 0	Description
TRUE	never evaluated
FALSE	evaluated 368 times by 1 test Evaluated by: libcrypto.so.1.1

DSO_flags(dso) & 0x02) == 0

(DSO_flags(dso) & 0x02) == 0	Description
TRUE	never evaluated
FALSE	evaluated 368 times by 1 test Evaluated by: libcrypto.so.1.1

)

0-368

257

rsize += 3;

never executed: rsize += 3;

0

258

}

executed 368 times by 1 test: end of block

Executed by:

libcrypto.so.1.1

368

259

translated = CRYPTO_malloc(rsize, __FILE__, 261);

-

260

if (translated ==

translated == ((void *)0)	Description
TRUE	never evaluated
FALSE	evaluated 736 times by 1 test Evaluated by: libcrypto.so.1.1

0-736

261

((void *)0)

translated == ((void *)0)	Description
TRUE	never evaluated
FALSE	evaluated 736 times by 1 test Evaluated by: libcrypto.so.1.1

0-736

262

) {

-

263

ERR_put_error(37,(123),(109),__FILE__,263);

-

264

return

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

0

265

((void *)0)

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

0

266

;

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

0

267

}

-

268

if (transform

transform	Description
TRUE	evaluated 368 times by 1 test Evaluated by: libcrypto.so.1.1
FALSE	evaluated 368 times by 1 test Evaluated by: libcrypto.so.1.1

) {

368

269

if ((

(DSO_flags(dso) & 0x02) == 0	Description
TRUE	never evaluated
FALSE	evaluated 368 times by 1 test Evaluated by: libcrypto.so.1.1

DSO_flags(dso) & 0x02) == 0

(DSO_flags(dso) & 0x02) == 0	Description
TRUE	never evaluated
FALSE	evaluated 368 times by 1 test Evaluated by: libcrypto.so.1.1

)

0-368

270

sprintf(translated, "lib%s" ".so", filename);

never executed: sprintf(translated, "lib%s" ".so", filename);

0

271

else

-

272

sprintf(translated, "%s" ".so", filename);

executed 368 times by 1 test: sprintf(translated, "%s" ".so", filename);

Executed by:

libcrypto.so.1.1

368

273

} else

-

274

sprintf(translated, "%s", filename);

executed 368 times by 1 test: sprintf(translated, "%s", filename);

Executed by:

libcrypto.so.1.1

368

275

return

executed 736 times by 1 test: return translated;

Executed by:

libcrypto.so.1.1

translated;

executed 736 times by 1 test: return translated;

Executed by:

libcrypto.so.1.1

736

276

}

-

277

static int dlfcn_pathbyaddr(void *addr, char *path, int sz)

-

278

{

-

279

-

280

Dl_info dli;

-

281

int len;

-

282

-

283

if (addr ==

addr == ((void *)0)	Description
TRUE	never evaluated
FALSE	never evaluated

0

284

((void *)0)

addr == ((void *)0)	Description
TRUE	never evaluated
FALSE	never evaluated

0

285

) {

-

286

union {

-

287

int (*f) (void *, char *, int);

-

288

void *p;

-

289

} t = {

-

290

dlfcn_pathbyaddr

-

291

};

-

292

addr = t.p;

-

293

}

never executed: end of block

0

294

-

295

if (dladdr(addr, &dli)

dladdr(addr, &dli)	Description
TRUE	never evaluated
FALSE	never evaluated

) {

0

296

len = (int)strlen(dli.dli_fname);

-

297

if (sz <= 0

sz <= 0	Description
TRUE	never evaluated
FALSE	never evaluated

) {

0

-

-

-

return

never executed: return len + 1;

len + 1;

never executed: return len + 1;

0

302

}

-

303

if (len >= sz

len >= sz	Description
TRUE	never evaluated
FALSE	never evaluated

)

0

304

len = sz - 1;

never executed: len = sz - 1;

0

305

memcpy(path, dli.dli_fname, len);

-

306

path[len++] = 0;

-

-

-

-

return

never executed: return len;

len;

never executed: return len;

0

311

}

-

312

-

313

ERR_add_error_data(2, "dlfcn_pathbyaddr(): ", dlerror());

-

314

-

315

return

never executed: return -1;

-1;

never executed: return -1;

0

316

}

-

317

-

318

static void *dlfcn_globallookup(const char *name)

-

319

{

-

320

void *ret =

-

321

((void *)0)

-

322

, *handle = dlopen(

-

323

((void *)0)

-

324

,

-

325

0x00001

-

326

);

-

327

-

328

if (handle

handle	Description
TRUE	never evaluated
FALSE	never evaluated

) {

0

329

ret = dlsym(handle, name);

-

330

dlclose(handle);

-

331

}

never executed: end of block

0

332

-

333

return

never executed: return ret;

ret;

never executed: return ret;

0

334

}

-