| 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 | |
| 27 | |
| 28 | #include "smproxy.h" |
| 29 | #ifdef HAVE_MKSTEMP1 |
| 30 | #include <unistd.h> |
| 31 | #endif |
| 32 | |
| 33 | |
| 34 | static ProxyFileEntry *proxyFileHead = NULL((void*)0); |
| 35 | |
| 36 | static int write_byte ( FILE *file, unsigned char b ); |
| 37 | static int write_short ( FILE *file, unsigned short s ); |
| 38 | static int write_counted_string ( FILE *file, char *string ); |
| 39 | static int read_byte ( FILE *file, unsigned char *bp ); |
| 40 | static int read_short ( FILE *file, unsigned short *shortp ); |
| 41 | static int read_counted_string ( FILE *file, char **stringp ); |
| 42 | |
| 43 | #ifndef HAVE_ASPRINTF1 |
| 44 | # include <stdarg.h> |
| 45 | |
| 46 | |
| 47 | _X_HIDDEN__attribute__((visibility("hidden"))) int _X_ATTRIBUTE_PRINTF(2,3)__attribute__((__format__(__printf__,2,3))) |
| 48 | asprintf(char ** ret, const char *format, ...) |
| 49 | { |
| 50 | char buf[256]; |
| 51 | int len; |
| 52 | va_list ap; |
| 53 | |
| 54 | va_start(ap, format); |
| 55 | len = vsnprintf(buf, sizeof(buf), format, ap)__builtin___vsnprintf_chk (buf, sizeof(buf), 0, __builtin_object_size (buf, 2 > 1 ? 1 : 0), format, ap); |
| 56 | va_end(ap); |
| 57 | |
| 58 | if (len < 0) |
| 59 | return -1; |
| 60 | |
| 61 | if (len < sizeof(buf)) |
| 62 | { |
| 63 | *ret = strdup(buf); |
| 64 | } |
| 65 | else |
| 66 | { |
| 67 | *ret = malloc(len + 1); |
| 68 | if (*ret != NULL((void*)0)) |
| 69 | { |
| 70 | va_start(ap, format); |
| 71 | len = vsnprintf(*ret, len + 1, format, ap)__builtin___vsnprintf_chk (*ret, len + 1, 0, __builtin_object_size (*ret, 2 > 1 ? 1 : 0), format, ap); |
| 72 | va_end(ap); |
| 73 | if (len < 0) { |
| 74 | free(*ret); |
| 75 | *ret = NULL((void*)0); |
| 76 | } |
| 77 | } |
| 78 | } |
| 79 | |
| 80 | if (*ret == NULL((void*)0)) |
| 81 | return -1; |
| 82 | |
| 83 | return len; |
| 84 | } |
| 85 | #endif |
| 86 | |
| 87 | |
| 88 |
|
| 89 | static int |
| 90 | write_byte (FILE *file, unsigned char b) |
| 91 | { |
| 92 | if (fwrite ((char *) &b, 1, 1, file) != 1) |
| 93 | return 0; |
| 94 | return 1; |
| 95 | } |
| 96 | |
| 97 | |
| 98 | static int |
| 99 | write_short (FILE *file, unsigned short s) |
| 100 | { |
| 101 | unsigned char file_short[2]; |
| 102 | |
| 103 | file_short[0] = (s & (unsigned)0xff00) >> 8; |
| 104 | file_short[1] = s & 0xff; |
| 105 | if (fwrite ((char *) file_short, (int) sizeof (file_short), 1, file) != 1) |
| 106 | return 0; |
| 107 | return 1; |
| 108 | } |
| 109 | |
| 110 | |
| 111 | static int |
| 112 | write_counted_string(FILE *file, char *string) |
| 113 | { |
| 114 | if (string) |
| 115 | { |
| 116 | unsigned char count = strlen (string); |
| 117 | |
| 118 | if (write_byte (file, count) == 0) |
| 119 | return 0; |
| 120 | if (fwrite (string, (int) sizeof (char), (int) count, file) != count) |
| 121 | return 0; |
| 122 | } |
| 123 | else |
| 124 | { |
| 125 | if (write_byte (file, 0) == 0) |
| 126 | return 0; |
| 127 | } |
| 128 | |
| 129 | return 1; |
| 130 | } |
| 131 | |
| 132 | |
| 133 |
|
| 134 | static int |
| 135 | read_byte(FILE *file, unsigned char *bp) |
| 136 | { |
| 137 | if (fread ((char *) bp, 1, 1, file) != 1) |
| 138 | return 0; |
| 139 | return 1; |
| 140 | } |
| 141 | |
| 142 | |
| 143 | static int |
| 144 | read_short(FILE *file, unsigned short *shortp) |
| 145 | { |
| 146 | unsigned char file_short[2]; |
| 147 | |
| 148 | if (fread ((char *) file_short, (int) sizeof (file_short), 1, file) != 1) |
| 149 | return 0; |
| 150 | *shortp = file_short[0] * 256 + file_short[1]; |
| 151 | return 1; |
| 152 | } |
| 153 | |
| 154 | |
| 155 | static int |
| 156 | read_counted_string(FILE *file, char **stringp) |
| 157 | { |
| 158 | unsigned char len; |
| 159 | char *data; |
| 160 | |
| 161 | if (read_byte (file, &len) == 0) |
| 162 | return 0; |
| 163 | if (len == 0) { |
| 164 | data = NULL((void*)0); |
| 165 | } else { |
| 166 | data = (char *) malloc ((unsigned) len + 1); |
| 167 | if (!data) |
| 168 | return 0; |
| 169 | if (fread (data, (int) sizeof (char), (int) len, file) != len) { |
| 170 | free (data); |
| 171 | return 0; |
| 172 | } |
| 173 | data[len] = '\0'; |
| 174 | } |
| 175 | *stringp = data; |
| 176 | return 1; |
| 177 | } |
| 178 | |
| 179 | |
| 180 |
|
| 181 | |
| 182 | |
| 183 | |
| 184 | |
| 185 | |
| 186 | |
| 187 | |
| 188 | |
| 189 | |
| 190 | |
| 191 | |
| 192 | |
| 193 | |
| 194 | |
| 195 | |
| 196 | |
| 197 | |
| 198 | |
| 199 | |
| 200 | int |
| 201 | WriteProxyFileEntry(FILE *proxyFile, WinInfo *theWindow) |
| 202 | { |
| 203 | int i; |
| 204 | |
| 205 | if (!write_counted_string (proxyFile, theWindow->client_id)) |
| 206 | return 0; |
| 207 | if (!write_counted_string (proxyFile, theWindow->class.res_name)) |
| 208 | return 0; |
| 209 | if (!write_counted_string (proxyFile, theWindow->class.res_class)) |
| 210 | return 0; |
| 211 | if (!write_counted_string (proxyFile, theWindow->wm_name)) |
| 212 | return 0; |
| 213 | |
| 214 | if (!theWindow->wm_command || theWindow->wm_command_count == 0) |
| 215 | { |
| 216 | if (!write_byte (proxyFile, 0)) |
| 217 | return 0; |
| 218 | } |
| 219 | else |
| 220 | { |
| 221 | if (!write_byte (proxyFile, (char) theWindow->wm_command_count)) |
| 222 | return 0; |
| 223 | for (i = 0; i < theWindow->wm_command_count; i++) |
| 224 | if (!write_counted_string (proxyFile, theWindow->wm_command[i])) |
| 225 | return 0; |
| 226 | } |
| 227 | |
| 228 | return 1; |
| 229 | } |
| 230 | |
| 231 | |
| 232 | int |
| 233 | ReadProxyFileEntry(FILE *proxyFile, ProxyFileEntry **pentry) |
| 234 | { |
| 235 | ProxyFileEntry *entry; |
| 236 | unsigned char byte; |
| 237 | int i; |
| 238 | |
| 239 | *pentry = entry = (ProxyFileEntry *) malloc ( |
| 240 | sizeof (ProxyFileEntry)); |
| 241 | if (!*pentry) |
| |
| 242 | return 0; |
| 243 | |
| 244 | entry->tag = 0; |
| 245 | entry->client_id = NULL((void*)0); |
| 246 | entry->class.res_name = NULL((void*)0); |
| 247 | entry->class.res_class = NULL((void*)0); |
| 248 | entry->wm_name = NULL((void*)0); |
| 249 | entry->wm_command = NULL((void*)0); |
| 250 | entry->wm_command_count = 0; |
| 251 | |
| 252 | if (!read_counted_string (proxyFile, &entry->client_id)) |
| |
| 253 | goto give_up; |
| 254 | if (!read_counted_string (proxyFile, &entry->class.res_name)) |
| |
| 255 | goto give_up; |
| 256 | if (!read_counted_string (proxyFile, &entry->class.res_class)) |
| |
| 257 | goto give_up; |
| 258 | if (!read_counted_string (proxyFile, &entry->wm_name)) |
| |
| 259 | goto give_up; |
| 260 | |
| 261 | if (!read_byte (proxyFile, &byte)) |
| |
| 262 | goto give_up; |
| 263 | entry->wm_command_count = byte; |
| 264 | |
| 265 | if (entry->wm_command_count == 0) |
| |
| 266 | entry->wm_command = NULL((void*)0); |
| 267 | else |
| 268 | { |
| 269 | entry->wm_command = (char **) malloc (entry->wm_command_count * |
| 270 | sizeof (char *)); |
| 271 | |
| 272 | if (!entry->wm_command) |
| |
| 273 | goto give_up; |
| 274 | |
| 275 | for (i = 0; i < entry->wm_command_count; i++) |
| 15 | | Loop condition is true. Entering loop body | |
|
| 276 | if (!read_counted_string (proxyFile, &entry->wm_command[i])) |
| |
| 277 | goto give_up; |
| 17 | | Control jumps to line 284 | |
|
| 278 | } |
| 279 | |
| 280 | return 1; |
| 281 | |
| 282 | give_up: |
| 283 | |
| 284 | if (entry->client_id) |
| |
| 285 | free (entry->client_id); |
| 286 | if (entry->class.res_name) |
| |
| 287 | free (entry->class.res_name); |
| 288 | if (entry->class.res_class) |
| |
| 289 | free (entry->class.res_class); |
| 290 | if (entry->wm_name) |
| |
| 291 | free (entry->wm_name); |
| 292 | if (entry->wm_command) |
| |
| 293 | { |
| 294 | if (entry->wm_command_count) |
| |
| 295 | { |
| 296 | for (i = 0; i < entry->wm_command_count; i++) |
| 24 | | Loop condition is true. Entering loop body | |
|
| 297 | if (entry->wm_command[i]) |
| 25 | | Branch condition evaluates to a garbage value |
|
| 298 | free (entry->wm_command[i]); |
| 299 | } |
| 300 | free ((char *) entry->wm_command); |
| 301 | } |
| 302 | |
| 303 | free ((char *) entry); |
| 304 | *pentry = NULL((void*)0); |
| 305 | |
| 306 | return 0; |
| 307 | } |
| 308 | |
| 309 | |
| 310 | void |
| 311 | ReadProxyFile(char *filename) |
| 312 | { |
| 313 | FILE *proxyFile; |
| 314 | ProxyFileEntry *entry; |
| 315 | int done = 0; |
| 316 | unsigned short version; |
| 317 | |
| 318 | proxyFile = fopen (filename, "rb"); |
| 319 | if (!proxyFile) |
| 1 | Assuming 'proxyFile' is non-null | |
|
| |
| 320 | return; |
| 321 | |
| 322 | if (!read_short (proxyFile, &version) || |
| |
| 323 | version > SAVEFILE_VERSION1) |
| 3 | | Assuming 'version' is <= 1 | |
|
| 324 | { |
| 325 | done = 1; |
| 326 | } |
| 327 | |
| 328 | while (!done) |
| 5 | | Loop condition is true. Entering loop body | |
|
| 329 | { |
| 330 | if (ReadProxyFileEntry (proxyFile, &entry)) |
| 6 | | Calling 'ReadProxyFileEntry' | |
|
| 331 | { |
| 332 | entry->next = proxyFileHead; |
| 333 | proxyFileHead = entry; |
| 334 | } |
| 335 | else |
| 336 | done = 1; |
| 337 | } |
| 338 | |
| 339 | fclose (proxyFile); |
| 340 | } |
| 341 | |
| 342 | |
| 343 |
|
| 344 | static char * |
| 345 | unique_filename(const char *path, const char *prefix, int *pFd) |
| 346 | { |
| 347 | char *tempFile = NULL((void*)0); |
| 348 | int tempFd = 0; |
| 349 | |
| 350 | #if defined(HAVE_MKSTEMP1) || defined(HAVE_MKTEMP1) |
| 351 | if (asprintf (&tempFile, "%s/%sXXXXXX", path, prefix) == -1) |
| 352 | return NULL((void*)0); |
| 353 | #endif |
| 354 | |
| 355 | #ifdef HAVE_MKSTEMP1 |
| 356 | tempFd = mkstemp(tempFile); |
| 357 | #else |
| 358 | |
| 359 | # ifdef HAVE_MKTEMP1 |
| 360 | if (mktemp(tempFile) == NULL((void*)0)) |
| 361 | tempFd = -1; |
| 362 | # else /* fallback to tempnam */ |
| 363 | tempFile = tempnam (path, prefix); |
| 364 | # endif /* HAVE_MKTEMP */ |
| 365 | |
| 366 | if (tempFd != -1 && tempFile != NULL((void*)0)) |
| 367 | tempFd = open(tempFile, O_RDWR | O_CREAT | O_EXCL, 0600); |
| 368 | #endif |
| 369 | |
| 370 | if (tempFd == -1) { |
| 371 | free(tempFile); |
| 372 | return (NULL((void*)0)); |
| 373 | } |
| 374 | |
| 375 | *pFd = tempFd; |
| 376 | return tempFile; |
| 377 | |
| 378 | } |
| 379 | |
| 380 | |
| 381 |
|
| 382 | char * |
| 383 | WriteProxyFile(void) |
| 384 | { |
| 385 | FILE *proxyFile = NULL((void*)0); |
| 386 | char *filename = NULL((void*)0); |
| 387 | int fd = -1; |
| 388 | const char *path; |
| 389 | WinInfo *winptr; |
| 390 | Boolint success = False0; |
| 391 | |
| 392 | path = getenv ("SM_SAVE_DIR"); |
| 393 | if (!path) |
| 394 | { |
| 395 | path = getenv ("HOME"); |
| 396 | if (!path) |
| 397 | path = "."; |
| 398 | } |
| 399 | |
| 400 | if ((filename = unique_filename (path, ".prx", &fd)) == NULL((void*)0)) |
| 401 | goto bad; |
| 402 | |
| 403 | if (!(proxyFile = fdopen(fd, "wb"))) |
| 404 | goto bad; |
| 405 | |
| 406 | if (!write_short (proxyFile, SAVEFILE_VERSION1)) |
| 407 | goto bad; |
| 408 | |
| 409 | success = True1; |
| 410 | winptr = win_head; |
| 411 | |
| 412 | while (winptr && success) |
| 413 | { |
| 414 | if (winptr->client_id) |
| 415 | if (!WriteProxyFileEntry (proxyFile, winptr)) |
| 416 | { |
| 417 | success = False0; |
| 418 | break; |
| 419 | } |
| 420 | |
| 421 | winptr = winptr->next; |
| 422 | } |
| 423 | |
| 424 | bad: |
| 425 | |
| 426 | if (proxyFile) |
| 427 | fclose (proxyFile); |
| 428 | else if (fd != -1) |
| 429 | close (fd); |
| 430 | |
| 431 | if (success) |
| 432 | return (filename); |
| 433 | else |
| 434 | { |
| 435 | if (filename) |
| 436 | free (filename); |
| 437 | return (NULL((void*)0)); |
| 438 | } |
| 439 | } |
| 440 | |
| 441 | |
| 442 |
|
| 443 | char * |
| 444 | LookupClientID(WinInfo *theWindow) |
| 445 | { |
| 446 | ProxyFileEntry *ptr; |
| 447 | int found = 0; |
| 448 | |
| 449 | ptr = proxyFileHead; |
| 450 | while (ptr && !found) |
| 451 | { |
| 452 | if (!ptr->tag && |
| 453 | strcmp (theWindow->class.res_name, ptr->class.res_name) == 0 && |
| 454 | strcmp (theWindow->class.res_class, ptr->class.res_class) == 0 && |
| 455 | strcmp (theWindow->wm_name, ptr->wm_name) == 0) |
| 456 | { |
| 457 | int i; |
| 458 | |
| 459 | if (theWindow->wm_command_count == ptr->wm_command_count) |
| 460 | { |
| 461 | for (i = 0; i < theWindow->wm_command_count; i++) |
| 462 | if (strcmp (theWindow->wm_command[i], |
| 463 | ptr->wm_command[i]) != 0) |
| 464 | break; |
| 465 | |
| 466 | if (i == theWindow->wm_command_count) |
| 467 | found = 1; |
| 468 | } |
| 469 | } |
| 470 | |
| 471 | if (!found) |
| 472 | ptr = ptr->next; |
| 473 | } |
| 474 | |
| 475 | if (found) |
| 476 | { |
| 477 | ptr->tag = 1; |
| 478 | return (ptr->client_id); |
| 479 | } |
| 480 | else |
| 481 | return NULL((void*)0); |
| 482 | } |