comparison: libidav/utils.c
libidav/utils.c
- changeset 173
- 947843245525
- parent 170
- cf054cded046
- child 174
- e7e56c56d126
equal
deleted
inserted
replaced
| 171:254326cbc1bc | 173:947843245525 |
|---|---|
| 284 } | 284 } |
| 285 | 285 |
| 286 static size_t util_header_callback(char *buffer, size_t size, | 286 static size_t util_header_callback(char *buffer, size_t size, |
| 287 size_t nitems, void *data) { | 287 size_t nitems, void *data) { |
| 288 | 288 |
| 289 char *duped; // local variable for string duplicates | 289 sstr_t sbuffer = sstrn(buffer, size*nitems); |
| 290 | 290 |
| 291 UcxMap *map = (UcxMap*) data; | 291 UcxMap *map = (UcxMap*) data; |
| 292 | 292 |
| 293 // if we get a status line, clear the map and exit | 293 // if we get a status line, clear the map and exit |
| 294 if(size*nitems >= 5 && !strncmp("HTTP/", buffer, 5)) { | 294 if(sstrprefix(sbuffer, S("HTTP/"))) { |
| 295 ucx_map_free_content(map, free); | 295 ucx_map_free_content(map, free); |
| 296 ucx_map_clear(map); | 296 ucx_map_clear(map); |
| 297 return size*nitems; | 297 return size*nitems; |
| 298 } | 298 } |
| 299 | 299 |
| 300 // if we get the terminating CRLF, just exit | 300 // if we get the terminating CRLF, just exit |
| 301 if (size*nitems == 2 && !strncmp("\r\n", buffer, 2)) { | 301 if(!sstrcmp(sbuffer, S("\r\n"))) { |
| 302 return 2; | 302 return 2; |
| 303 } | 303 } |
| 304 | 304 |
| 305 | 305 sstr_t key = sbuffer; |
| 306 // get header key | 306 sstr_t value = sstrchr(sbuffer, ':'); |
| 307 size_t s = 0; | 307 |
| 308 do { | 308 if(value.length == 0) { |
| 309 s++; | 309 return 0; // invalid header line |
| 310 } while(buffer[s] != ':'); | 310 } |
| 311 char *value = buffer+s+1; | 311 |
| 312 | 312 key.length = value.ptr - key.ptr; |
| 313 // remove trailing spaces | 313 value.ptr++; value.length--; |
| 314 while(isspace(buffer[s-1])) { | 314 |
| 315 s--; | 315 key = sstrdup(sstrtrim(key)); |
| 316 } | 316 value = sstrdup(sstrtrim(value)); |
| 317 | 317 |
| 318 // save key as all lower case | 318 for(size_t i = 0;i<key.length;i++) { |
| 319 duped = malloc(s); | 319 key.ptr[i] = tolower(key.ptr[i]); |
| 320 for(size_t i = 0;i<s;i++) { | 320 } |
| 321 duped[i] = tolower(buffer[i]); | 321 |
| 322 } | 322 ucx_map_sstr_put(map, key, value.ptr); |
| 323 UcxKey key = ucx_key(duped, s); | 323 |
| 324 | 324 free(key.ptr); |
| 325 // get trimmed header value | 325 |
| 326 while(isspace(*value)) { | 326 return sbuffer.length; |
| 327 value++; | |
| 328 } | |
| 329 s = size*nitems - (value - buffer); | |
| 330 while(isspace(value[s-1])) { | |
| 331 s--; | |
| 332 } | |
| 333 | |
| 334 // copy header value and append NULL byte (curl does not provide one) | |
| 335 duped = malloc(s+1); | |
| 336 memcpy(duped, value, s+1); | |
| 337 duped[s] = '\0'; | |
| 338 | |
| 339 char *oldval = ucx_map_get(map, key); | |
| 340 if(oldval) { | |
| 341 free(oldval); | |
| 342 } | |
| 343 | |
| 344 ucx_map_put(map, key, duped); | |
| 345 free(key.data); // ucx_map_put made a copy, so we free this memory | |
| 346 | |
| 347 return nitems * size; | |
| 348 } | 327 } |
| 349 | 328 |
| 350 void util_capture_header(CURL *handle, UcxMap* map) { | 329 void util_capture_header(CURL *handle, UcxMap* map) { |
| 351 if(!map) { | 330 if(!map) { |
| 352 // deactivate capturing | 331 // deactivate capturing |
