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| 1 | /*
|
|---|---|
| 2 | * LibSylph -- E-Mail client library |
| 3 | * Copyright (C) 1999-2007 Hiroyuki Yamamoto |
| 4 | * |
| 5 | * This library is free software; you can redistribute it and/or |
| 6 | * modify it under the terms of the GNU Lesser General Public |
| 7 | * License as published by the Free Software Foundation; either |
| 8 | * version 2.1 of the License, or (at your option) any later version. |
| 9 | * |
| 10 | * This library is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | * Lesser General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU Lesser General Public |
| 16 | * License along with this library; if not, write to the Free Software |
| 17 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| 18 | */ |
| 19 | |
| 20 | #ifdef HAVE_CONFIG_H
|
| 21 | # include "config.h" |
| 22 | #endif
|
| 23 | |
| 24 | #include <glib.h> |
| 25 | #include <glib/gi18n.h> |
| 26 | #include <stdio.h> |
| 27 | #include <string.h> |
| 28 | #include <stdlib.h> |
| 29 | #include <time.h> |
| 30 | #include <sys/stat.h> |
| 31 | |
| 32 | #include "procheader.h" |
| 33 | #include "procmsg.h" |
| 34 | #include "codeconv.h" |
| 35 | #include "displayheader.h" |
| 36 | #include "prefs_common.h" |
| 37 | #include "utils.h" |
| 38 | |
| 39 | #define BUFFSIZE 8192 |
| 40 | |
| 41 | gint procheader_get_one_field(gchar *buf, size_t len, FILE *fp, |
| 42 | HeaderEntry hentry[]) |
| 43 | {
|
| 44 | gint nexthead; |
| 45 | gint hnum = 0;
|
| 46 | HeaderEntry *hp = NULL;
|
| 47 | |
| 48 | if (hentry != NULL) { |
| 49 | /* skip non-required headers */
|
| 50 | do {
|
| 51 | do {
|
| 52 | if (fgets(buf, len, fp) == NULL) |
| 53 | return -1; |
| 54 | if (buf[0] == '\r' || buf[0] == '\n') |
| 55 | return -1; |
| 56 | } while (buf[0] == ' ' || buf[0] == '\t'); |
| 57 | |
| 58 | for (hp = hentry, hnum = 0; hp->name != NULL; |
| 59 | hp++, hnum++) {
|
| 60 | if (!g_ascii_strncasecmp(hp->name, buf,
|
| 61 | strlen(hp->name))) |
| 62 | break;
|
| 63 | } |
| 64 | } while (hp->name == NULL); |
| 65 | } else {
|
| 66 | if (fgets(buf, len, fp) == NULL) return -1; |
| 67 | if (buf[0] == '\r' || buf[0] == '\n') return -1; |
| 68 | } |
| 69 | |
| 70 | /* unfold the specified folded line */
|
| 71 | if (hp && hp->unfold) {
|
| 72 | gboolean folded = FALSE; |
| 73 | gchar *bufp = buf + strlen(buf); |
| 74 | |
| 75 | for (; bufp > buf &&
|
| 76 | (*(bufp - 1) == '\n' || *(bufp - 1) == '\r'); |
| 77 | bufp--) |
| 78 | *(bufp - 1) = '\0'; |
| 79 | |
| 80 | while (1) { |
| 81 | nexthead = fgetc(fp); |
| 82 | |
| 83 | /* folded */
|
| 84 | if (nexthead == ' ' || nexthead == '\t') |
| 85 | folded = TRUE; |
| 86 | else if (nexthead == EOF) |
| 87 | break;
|
| 88 | else if (folded == TRUE) { |
| 89 | if ((len - (bufp - buf)) <= 2) break; |
| 90 | |
| 91 | if (nexthead == '\n') { |
| 92 | folded = FALSE; |
| 93 | continue;
|
| 94 | } |
| 95 | |
| 96 | /* replace return code on the tail end
|
| 97 | with space */ |
| 98 | *bufp++ = ' ';
|
| 99 | *bufp++ = nexthead; |
| 100 | *bufp = '\0';
|
| 101 | |
| 102 | /* concatenate next line */
|
| 103 | if (fgets(bufp, len - (bufp - buf), fp)
|
| 104 | == NULL) break; |
| 105 | bufp += strlen(bufp); |
| 106 | |
| 107 | for (; bufp > buf &&
|
| 108 | (*(bufp - 1) == '\n' || *(bufp - 1) == '\r'); |
| 109 | bufp--) |
| 110 | *(bufp - 1) = '\0'; |
| 111 | |
| 112 | folded = FALSE; |
| 113 | } else {
|
| 114 | ungetc(nexthead, fp); |
| 115 | break;
|
| 116 | } |
| 117 | } |
| 118 | |
| 119 | return hnum;
|
| 120 | } |
| 121 | |
| 122 | while (1) { |
| 123 | nexthead = fgetc(fp); |
| 124 | if (nexthead == ' ' || nexthead == '\t') { |
| 125 | size_t buflen = strlen(buf); |
| 126 | |
| 127 | /* concatenate next line */
|
| 128 | if ((len - buflen) > 2) { |
| 129 | gchar *p = buf + buflen; |
| 130 | |
| 131 | *p++ = nexthead; |
| 132 | *p = '\0';
|
| 133 | buflen++; |
| 134 | if (fgets(p, len - buflen, fp) == NULL) |
| 135 | break;
|
| 136 | } else
|
| 137 | break;
|
| 138 | } else {
|
| 139 | if (nexthead != EOF) |
| 140 | ungetc(nexthead, fp); |
| 141 | break;
|
| 142 | } |
| 143 | } |
| 144 | |
| 145 | /* remove trailing return code */
|
| 146 | strretchomp(buf); |
| 147 | |
| 148 | return hnum;
|
| 149 | } |
| 150 | |
| 151 | gchar *procheader_get_unfolded_line(gchar *buf, size_t len, FILE *fp) |
| 152 | {
|
| 153 | gboolean folded = FALSE; |
| 154 | gint nexthead; |
| 155 | gchar *bufp; |
| 156 | |
| 157 | if (fgets(buf, len, fp) == NULL) return NULL; |
| 158 | if (buf[0] == '\r' || buf[0] == '\n') return NULL; |
| 159 | bufp = buf + strlen(buf); |
| 160 | |
| 161 | for (; bufp > buf &&
|
| 162 | (*(bufp - 1) == '\n' || *(bufp - 1) == '\r'); |
| 163 | bufp--) |
| 164 | *(bufp - 1) = '\0'; |
| 165 | |
| 166 | while (1) { |
| 167 | nexthead = fgetc(fp); |
| 168 | |
| 169 | /* folded */
|
| 170 | if (nexthead == ' ' || nexthead == '\t') |
| 171 | folded = TRUE; |
| 172 | else if (nexthead == EOF) |
| 173 | break;
|
| 174 | else if (folded == TRUE) { |
| 175 | if ((len - (bufp - buf)) <= 2) break; |
| 176 | |
| 177 | if (nexthead == '\n') { |
| 178 | folded = FALSE; |
| 179 | continue;
|
| 180 | } |
| 181 | |
| 182 | /* replace return code on the tail end
|
| 183 | with space */ |
| 184 | *bufp++ = ' ';
|
| 185 | *bufp++ = nexthead; |
| 186 | *bufp = '\0';
|
| 187 | |
| 188 | /* concatenate next line */
|
| 189 | if (fgets(bufp, len - (bufp - buf), fp)
|
| 190 | == NULL) break; |
| 191 | bufp += strlen(bufp); |
| 192 | |
| 193 | for (; bufp > buf &&
|
| 194 | (*(bufp - 1) == '\n' || *(bufp - 1) == '\r'); |
| 195 | bufp--) |
| 196 | *(bufp - 1) = '\0'; |
| 197 | |
| 198 | folded = FALSE; |
| 199 | } else {
|
| 200 | ungetc(nexthead, fp); |
| 201 | break;
|
| 202 | } |
| 203 | } |
| 204 | |
| 205 | /* remove trailing return code */
|
| 206 | strretchomp(buf); |
| 207 | |
| 208 | return buf;
|
| 209 | } |
| 210 | |
| 211 | GSList *procheader_get_header_list_from_file(const gchar *file)
|
| 212 | {
|
| 213 | FILE *fp; |
| 214 | GSList *hlist; |
| 215 | |
| 216 | if ((fp = g_fopen(file, "rb")) == NULL) { |
| 217 | FILE_OP_ERROR(file, "procheader_get_header_list_from_file: fopen");
|
| 218 | return NULL; |
| 219 | } |
| 220 | |
| 221 | hlist = procheader_get_header_list(fp); |
| 222 | |
| 223 | fclose(fp); |
| 224 | return hlist;
|
| 225 | } |
| 226 | |
| 227 | GSList *procheader_get_header_list(FILE *fp) |
| 228 | {
|
| 229 | gchar buf[BUFFSIZE]; |
| 230 | gchar *p; |
| 231 | GSList *hlist = NULL;
|
| 232 | Header *header; |
| 233 | |
| 234 | g_return_val_if_fail(fp != NULL, NULL); |
| 235 | |
| 236 | while (procheader_get_unfolded_line(buf, sizeof(buf), fp) != NULL) { |
| 237 | if (*buf == ':') continue; |
| 238 | for (p = buf; *p && *p != ' '; p++) { |
| 239 | if (*p == ':') { |
| 240 | header = g_new(Header, 1);
|
| 241 | header->name = g_strndup(buf, p - buf); |
| 242 | p++; |
| 243 | while (*p == ' ' || *p == '\t') p++; |
| 244 | header->body = conv_unmime_header(p, NULL);
|
| 245 | |
| 246 | hlist = g_slist_append(hlist, header); |
| 247 | break;
|
| 248 | } |
| 249 | } |
| 250 | } |
| 251 | |
| 252 | return hlist;
|
| 253 | } |
| 254 | |
| 255 | GSList *procheader_get_header_list_from_msginfo(MsgInfo *msginfo) |
| 256 | {
|
| 257 | GSList *hlist = NULL;
|
| 258 | |
| 259 | g_return_val_if_fail(msginfo != NULL, NULL); |
| 260 | |
| 261 | if (msginfo->subject)
|
| 262 | hlist = procheader_add_header_list(hlist, "Subject",
|
| 263 | msginfo->subject); |
| 264 | if (msginfo->from)
|
| 265 | hlist = procheader_add_header_list(hlist, "From",
|
| 266 | msginfo->from); |
| 267 | if (msginfo->to)
|
| 268 | hlist = procheader_add_header_list(hlist, "To", msginfo->to);
|
| 269 | if (msginfo->cc)
|
| 270 | hlist = procheader_add_header_list(hlist, "Cc", msginfo->cc);
|
| 271 | if (msginfo->newsgroups)
|
| 272 | hlist = procheader_add_header_list(hlist, "Newsgroups",
|
| 273 | msginfo->newsgroups); |
| 274 | if (msginfo->date)
|
| 275 | hlist = procheader_add_header_list(hlist, "Date",
|
| 276 | msginfo->date); |
| 277 | |
| 278 | return hlist;
|
| 279 | } |
| 280 | |
| 281 | GSList *procheader_add_header_list(GSList *hlist, const gchar *header_name,
|
| 282 | const gchar *body)
|
| 283 | {
|
| 284 | Header *header; |
| 285 | |
| 286 | g_return_val_if_fail(header_name != NULL, hlist);
|
| 287 | |
| 288 | header = g_new(Header, 1);
|
| 289 | header->name = g_strdup(header_name); |
| 290 | header->body = g_strdup(body); |
| 291 | |
| 292 | return g_slist_append(hlist, header);
|
| 293 | } |
| 294 | |
| 295 | GSList *procheader_copy_header_list(GSList *hlist) |
| 296 | {
|
| 297 | GSList *newlist = NULL, *cur;
|
| 298 | |
| 299 | for (cur = hlist; cur != NULL; cur = cur->next) { |
| 300 | Header *header = (Header *)cur->data; |
| 301 | newlist = procheader_add_header_list(newlist, header->name, |
| 302 | header->body); |
| 303 | } |
| 304 | |
| 305 | return newlist;
|
| 306 | } |
| 307 | |
| 308 | GSList *procheader_merge_header_list(GSList *hlist1, GSList *hlist2) |
| 309 | {
|
| 310 | GSList *cur; |
| 311 | |
| 312 | for (cur = hlist2; cur != NULL; cur = cur->next) { |
| 313 | Header *header = (Header *)cur->data; |
| 314 | if (procheader_find_header_list(hlist1, header->name) < 0) |
| 315 | hlist1 = g_slist_append(hlist1, header); |
| 316 | } |
| 317 | |
| 318 | return hlist1;
|
| 319 | } |
| 320 | |
| 321 | GSList *procheader_merge_header_list_dup(GSList *hlist1, GSList *hlist2) |
| 322 | {
|
| 323 | GSList *list, *cur; |
| 324 | |
| 325 | list = procheader_copy_header_list(hlist1); |
| 326 | |
| 327 | for (cur = hlist2; cur != NULL; cur = cur->next) { |
| 328 | Header *header = (Header *)cur->data; |
| 329 | if (procheader_find_header_list(list, header->name) < 0) |
| 330 | list = procheader_add_header_list(list, header->name, |
| 331 | header->body); |
| 332 | } |
| 333 | |
| 334 | return list;
|
| 335 | } |
| 336 | |
| 337 | gint procheader_find_header_list(GSList *hlist, const gchar *header_name)
|
| 338 | {
|
| 339 | GSList *cur; |
| 340 | gint index = 0;
|
| 341 | Header *header; |
| 342 | |
| 343 | g_return_val_if_fail(header_name != NULL, -1); |
| 344 | |
| 345 | for (cur = hlist; cur != NULL; cur = cur->next, index++) { |
| 346 | header = (Header *)cur->data; |
| 347 | if (g_ascii_strcasecmp(header->name, header_name) == 0) |
| 348 | return index;
|
| 349 | } |
| 350 | |
| 351 | return -1; |
| 352 | } |
| 353 | |
| 354 | GPtrArray *procheader_get_header_array(FILE *fp, const gchar *encoding)
|
| 355 | {
|
| 356 | gchar buf[BUFFSIZE]; |
| 357 | gchar *p; |
| 358 | GPtrArray *headers; |
| 359 | Header *header; |
| 360 | |
| 361 | g_return_val_if_fail(fp != NULL, NULL); |
| 362 | |
| 363 | headers = g_ptr_array_new(); |
| 364 | |
| 365 | while (procheader_get_unfolded_line(buf, sizeof(buf), fp) != NULL) { |
| 366 | if (*buf == ':') continue; |
| 367 | for (p = buf; *p && *p != ' '; p++) { |
| 368 | if (*p == ':') { |
| 369 | header = g_new(Header, 1);
|
| 370 | header->name = g_strndup(buf, p - buf); |
| 371 | p++; |
| 372 | while (*p == ' ' || *p == '\t') p++; |
| 373 | header->body = conv_unmime_header(p, encoding); |
| 374 | |
| 375 | g_ptr_array_add(headers, header); |
| 376 | break;
|
| 377 | } |
| 378 | } |
| 379 | } |
| 380 | |
| 381 | return headers;
|
| 382 | } |
| 383 | |
| 384 | GPtrArray *procheader_get_header_array_asis(FILE *fp, const gchar *encoding)
|
| 385 | {
|
| 386 | gchar buf[BUFFSIZE]; |
| 387 | gchar *p; |
| 388 | GPtrArray *headers; |
| 389 | Header *header; |
| 390 | |
| 391 | g_return_val_if_fail(fp != NULL, NULL); |
| 392 | |
| 393 | headers = g_ptr_array_new(); |
| 394 | |
| 395 | while (procheader_get_one_field(buf, sizeof(buf), fp, NULL) != -1) { |
| 396 | if (*buf == ':') continue; |
| 397 | for (p = buf; *p && *p != ' '; p++) { |
| 398 | if (*p == ':') { |
| 399 | header = g_new(Header, 1);
|
| 400 | header->name = g_strndup(buf, p - buf); |
| 401 | p++; |
| 402 | header->body = conv_unmime_header(p, encoding); |
| 403 | |
| 404 | g_ptr_array_add(headers, header); |
| 405 | break;
|
| 406 | } |
| 407 | } |
| 408 | } |
| 409 | |
| 410 | return headers;
|
| 411 | } |
| 412 | |
| 413 | GPtrArray *procheader_get_header_array_for_display(FILE *fp, |
| 414 | const gchar *encoding)
|
| 415 | {
|
| 416 | GPtrArray *headers, *sorted_headers; |
| 417 | GSList *disphdr_list; |
| 418 | Header *header; |
| 419 | gint i; |
| 420 | |
| 421 | g_return_val_if_fail(fp != NULL, NULL); |
| 422 | |
| 423 | headers = procheader_get_header_array_asis(fp, encoding); |
| 424 | |
| 425 | sorted_headers = g_ptr_array_new(); |
| 426 | |
| 427 | for (disphdr_list = prefs_common.disphdr_list; disphdr_list != NULL; |
| 428 | disphdr_list = disphdr_list->next) {
|
| 429 | DisplayHeaderProp *dp = |
| 430 | (DisplayHeaderProp *)disphdr_list->data; |
| 431 | |
| 432 | for (i = 0; i < headers->len; i++) { |
| 433 | header = g_ptr_array_index(headers, i); |
| 434 | |
| 435 | if (!g_ascii_strcasecmp(header->name, dp->name)) {
|
| 436 | if (dp->hidden)
|
| 437 | procheader_header_free(header); |
| 438 | else
|
| 439 | g_ptr_array_add(sorted_headers, header); |
| 440 | |
| 441 | g_ptr_array_remove_index(headers, i); |
| 442 | i--; |
| 443 | } |
| 444 | } |
| 445 | } |
| 446 | |
| 447 | if (prefs_common.show_other_header) {
|
| 448 | for (i = 0; i < headers->len; i++) { |
| 449 | header = g_ptr_array_index(headers, i); |
| 450 | g_ptr_array_add(sorted_headers, header); |
| 451 | } |
| 452 | g_ptr_array_free(headers, TRUE); |
| 453 | } else
|
| 454 | procheader_header_array_destroy(headers); |
| 455 | |
| 456 | return sorted_headers;
|
| 457 | } |
| 458 | |
| 459 | void procheader_header_list_destroy(GSList *hlist)
|
| 460 | {
|
| 461 | Header *header; |
| 462 | |
| 463 | while (hlist != NULL) { |
| 464 | header = hlist->data; |
| 465 | procheader_header_free(header); |
| 466 | hlist = g_slist_remove(hlist, header); |
| 467 | } |
| 468 | } |
| 469 | |
| 470 | void procheader_header_array_destroy(GPtrArray *harray)
|
| 471 | {
|
| 472 | gint i; |
| 473 | Header *header; |
| 474 | |
| 475 | for (i = 0; i < harray->len; i++) { |
| 476 | header = g_ptr_array_index(harray, i); |
| 477 | procheader_header_free(header); |
| 478 | } |
| 479 | |
| 480 | g_ptr_array_free(harray, TRUE); |
| 481 | } |
| 482 | |
| 483 | void procheader_header_free(Header *header)
|
| 484 | {
|
| 485 | if (!header) return; |
| 486 | |
| 487 | g_free(header->name); |
| 488 | g_free(header->body); |
| 489 | g_free(header); |
| 490 | } |
| 491 | |
| 492 | void procheader_get_header_fields(FILE *fp, HeaderEntry hentry[])
|
| 493 | {
|
| 494 | gchar buf[BUFFSIZE]; |
| 495 | HeaderEntry *hp; |
| 496 | gint hnum; |
| 497 | gchar *p; |
| 498 | |
| 499 | if (hentry == NULL) return; |
| 500 | |
| 501 | while ((hnum = procheader_get_one_field(buf, sizeof(buf), fp, hentry)) |
| 502 | != -1) {
|
| 503 | hp = hentry + hnum; |
| 504 | |
| 505 | p = buf + strlen(hp->name); |
| 506 | while (*p == ' ' || *p == '\t') p++; |
| 507 | |
| 508 | if (hp->body == NULL) |
| 509 | hp->body = g_strdup(p); |
| 510 | else if (!g_ascii_strcasecmp(hp->name, "To:") || |
| 511 | !g_ascii_strcasecmp(hp->name, "Cc:")) {
|
| 512 | gchar *tp = hp->body; |
| 513 | hp->body = g_strconcat(tp, ", ", p, NULL); |
| 514 | g_free(tp); |
| 515 | } |
| 516 | } |
| 517 | } |
| 518 | |
| 519 | MsgInfo *procheader_parse_file(const gchar *file, MsgFlags flags,
|
| 520 | gboolean full) |
| 521 | {
|
| 522 | struct stat s;
|
| 523 | FILE *fp; |
| 524 | MsgInfo *msginfo; |
| 525 | |
| 526 | if (g_stat(file, &s) < 0) { |
| 527 | FILE_OP_ERROR(file, "stat");
|
| 528 | return NULL; |
| 529 | } |
| 530 | if (!S_ISREG(s.st_mode))
|
| 531 | return NULL; |
| 532 | |
| 533 | if ((fp = g_fopen(file, "rb")) == NULL) { |
| 534 | FILE_OP_ERROR(file, "procheader_parse_file: fopen");
|
| 535 | return NULL; |
| 536 | } |
| 537 | |
| 538 | msginfo = procheader_parse_stream(fp, flags, full); |
| 539 | fclose(fp); |
| 540 | |
| 541 | if (msginfo) {
|
| 542 | msginfo->size = s.st_size; |
| 543 | msginfo->mtime = s.st_mtime; |
| 544 | } |
| 545 | |
| 546 | return msginfo;
|
| 547 | } |
| 548 | |
| 549 | MsgInfo *procheader_parse_str(const gchar *str, MsgFlags flags, gboolean full)
|
| 550 | {
|
| 551 | FILE *fp; |
| 552 | MsgInfo *msginfo; |
| 553 | |
| 554 | if ((fp = str_open_as_stream(str)) == NULL) |
| 555 | return NULL; |
| 556 | |
| 557 | msginfo = procheader_parse_stream(fp, flags, full); |
| 558 | fclose(fp); |
| 559 | return msginfo;
|
| 560 | } |
| 561 | |
| 562 | enum
|
| 563 | {
|
| 564 | H_DATE = 0,
|
| 565 | H_FROM = 1,
|
| 566 | H_TO = 2,
|
| 567 | H_NEWSGROUPS = 3,
|
| 568 | H_SUBJECT = 4,
|
| 569 | H_MSG_ID = 5,
|
| 570 | H_REFERENCES = 6,
|
| 571 | H_IN_REPLY_TO = 7,
|
| 572 | H_CONTENT_TYPE = 8,
|
| 573 | H_SEEN = 9,
|
| 574 | H_CC = 10,
|
| 575 | H_X_FACE = 11
|
| 576 | }; |
| 577 | |
| 578 | MsgInfo *procheader_parse_stream(FILE *fp, MsgFlags flags, gboolean full) |
| 579 | {
|
| 580 | static HeaderEntry hentry_full[] = {{"Date:", NULL, FALSE}, |
| 581 | {"From:", NULL, TRUE},
|
| 582 | {"To:", NULL, TRUE},
|
| 583 | {"Newsgroups:", NULL, TRUE},
|
| 584 | {"Subject:", NULL, TRUE},
|
| 585 | {"Message-Id:", NULL, FALSE},
|
| 586 | {"References:", NULL, FALSE},
|
| 587 | {"In-Reply-To:", NULL, FALSE},
|
| 588 | {"Content-Type:", NULL, FALSE},
|
| 589 | {"Seen:", NULL, FALSE},
|
| 590 | {"Cc:", NULL, TRUE},
|
| 591 | {"X-Face:", NULL, FALSE},
|
| 592 | {NULL, NULL, FALSE}};
|
| 593 | |
| 594 | static HeaderEntry hentry_short[] = {{"Date:", NULL, FALSE}, |
| 595 | {"From:", NULL, TRUE},
|
| 596 | {"To:", NULL, TRUE},
|
| 597 | {"Newsgroups:", NULL, TRUE},
|
| 598 | {"Subject:", NULL, TRUE},
|
| 599 | {"Message-Id:", NULL, FALSE},
|
| 600 | {"References:", NULL, FALSE},
|
| 601 | {"In-Reply-To:", NULL, FALSE},
|
| 602 | {"Content-Type:", NULL, FALSE},
|
| 603 | {"Seen:", NULL, FALSE},
|
| 604 | {NULL, NULL, FALSE}};
|
| 605 | |
| 606 | MsgInfo *msginfo; |
| 607 | gchar buf[BUFFSIZE]; |
| 608 | gchar *p; |
| 609 | gchar *hp; |
| 610 | HeaderEntry *hentry; |
| 611 | gint hnum; |
| 612 | gchar *from = NULL, *to = NULL, *subject = NULL, *cc = NULL; |
| 613 | gchar *charset = NULL;
|
| 614 | |
| 615 | hentry = full ? hentry_full : hentry_short; |
| 616 | |
| 617 | if (MSG_IS_QUEUED(flags)) {
|
| 618 | while (fgets(buf, sizeof(buf), fp) != NULL) |
| 619 | if (buf[0] == '\r' || buf[0] == '\n') break; |
| 620 | } |
| 621 | |
| 622 | msginfo = g_new0(MsgInfo, 1);
|
| 623 | msginfo->flags = flags; |
| 624 | msginfo->references = NULL;
|
| 625 | msginfo->inreplyto = NULL;
|
| 626 | |
| 627 | while ((hnum = procheader_get_one_field(buf, sizeof(buf), fp, hentry)) |
| 628 | != -1) {
|
| 629 | hp = buf + strlen(hentry[hnum].name); |
| 630 | while (*hp == ' ' || *hp == '\t') hp++; |
| 631 | |
| 632 | switch (hnum) {
|
| 633 | case H_DATE:
|
| 634 | if (msginfo->date) break; |
| 635 | msginfo->date_t = |
| 636 | procheader_date_parse(NULL, hp, 0); |
| 637 | msginfo->date = g_strdup(hp); |
| 638 | break;
|
| 639 | case H_FROM:
|
| 640 | if (from) break; |
| 641 | from = g_strdup(hp); |
| 642 | break;
|
| 643 | case H_TO:
|
| 644 | if (to) {
|
| 645 | p = to; |
| 646 | to = g_strconcat(p, ", ", hp, NULL); |
| 647 | g_free(p); |
| 648 | } else
|
| 649 | to = g_strdup(hp); |
| 650 | break;
|
| 651 | case H_NEWSGROUPS:
|
| 652 | if (msginfo->newsgroups) {
|
| 653 | p = msginfo->newsgroups; |
| 654 | msginfo->newsgroups = |
| 655 | g_strconcat(p, ",", hp, NULL); |
| 656 | g_free(p); |
| 657 | } else
|
| 658 | msginfo->newsgroups = g_strdup(buf + 12);
|
| 659 | break;
|
| 660 | case H_SUBJECT:
|
| 661 | if (msginfo->subject) break; |
| 662 | subject = g_strdup(hp); |
| 663 | break;
|
| 664 | case H_MSG_ID:
|
| 665 | if (msginfo->msgid) break; |
| 666 | |
| 667 | extract_parenthesis(hp, '<', '>'); |
| 668 | remove_space(hp); |
| 669 | msginfo->msgid = g_strdup(hp); |
| 670 | break;
|
| 671 | case H_REFERENCES:
|
| 672 | msginfo->references = |
| 673 | references_list_prepend(msginfo->references, |
| 674 | hp); |
| 675 | break;
|
| 676 | case H_IN_REPLY_TO:
|
| 677 | if (msginfo->inreplyto) break; |
| 678 | |
| 679 | eliminate_parenthesis(hp, '(', ')'); |
| 680 | if ((p = strrchr(hp, '<')) != NULL && |
| 681 | strchr(p + 1, '>') != NULL) { |
| 682 | extract_parenthesis(p, '<', '>'); |
| 683 | remove_space(p); |
| 684 | if (*p != '\0') |
| 685 | msginfo->inreplyto = g_strdup(p); |
| 686 | } |
| 687 | break;
|
| 688 | case H_CONTENT_TYPE:
|
| 689 | if (!g_ascii_strncasecmp(hp, "multipart", 9)) { |
| 690 | MSG_SET_TMP_FLAGS(msginfo->flags, MSG_MIME); |
| 691 | } else if (!charset) { |
| 692 | procmime_scan_content_type_str |
| 693 | (hp, NULL, &charset, NULL, NULL); |
| 694 | } |
| 695 | break;
|
| 696 | case H_SEEN:
|
| 697 | /* mnews Seen header */
|
| 698 | MSG_UNSET_PERM_FLAGS(msginfo->flags, MSG_NEW|MSG_UNREAD); |
| 699 | break;
|
| 700 | case H_CC:
|
| 701 | if (cc) {
|
| 702 | p = cc; |
| 703 | cc = g_strconcat(p, ", ", hp, NULL); |
| 704 | g_free(p); |
| 705 | } else
|
| 706 | cc = g_strdup(hp); |
| 707 | break;
|
| 708 | case H_X_FACE:
|
| 709 | if (msginfo->xface) break; |
| 710 | msginfo->xface = g_strdup(hp); |
| 711 | break;
|
| 712 | default:
|
| 713 | break;
|
| 714 | } |
| 715 | } |
| 716 | |
| 717 | if (from) {
|
| 718 | msginfo->from = conv_unmime_header(from, charset); |
| 719 | subst_control(msginfo->from, ' ');
|
| 720 | msginfo->fromname = procheader_get_fromname(msginfo->from); |
| 721 | g_free(from); |
| 722 | } |
| 723 | if (to) {
|
| 724 | msginfo->to = conv_unmime_header(to, charset); |
| 725 | subst_control(msginfo->to, ' ');
|
| 726 | g_free(to); |
| 727 | } |
| 728 | if (subject) {
|
| 729 | msginfo->subject = conv_unmime_header(subject, charset); |
| 730 | subst_control(msginfo->subject, ' ');
|
| 731 | g_free(subject); |
| 732 | } |
| 733 | if (cc) {
|
| 734 | msginfo->cc = conv_unmime_header(cc, charset); |
| 735 | subst_control(msginfo->cc, ' ');
|
| 736 | g_free(cc); |
| 737 | } |
| 738 | |
| 739 | if (!msginfo->inreplyto && msginfo->references)
|
| 740 | msginfo->inreplyto = |
| 741 | g_strdup((gchar *)msginfo->references->data); |
| 742 | |
| 743 | g_free(charset); |
| 744 | |
| 745 | return msginfo;
|
| 746 | } |
| 747 | |
| 748 | gchar *procheader_get_fromname(const gchar *str)
|
| 749 | {
|
| 750 | gchar *tmp, *name; |
| 751 | |
| 752 | tmp = g_strdup(str); |
| 753 | |
| 754 | if (*tmp == '\"') { |
| 755 | extract_quote_with_escape(tmp, '\"');
|
| 756 | g_strstrip(tmp); |
| 757 | } else if (strchr(tmp, '<')) { |
| 758 | eliminate_parenthesis(tmp, '<', '>'); |
| 759 | g_strstrip(tmp); |
| 760 | if (*tmp == '\0') { |
| 761 | strcpy(tmp, str); |
| 762 | extract_parenthesis(tmp, '<', '>'); |
| 763 | g_strstrip(tmp); |
| 764 | } |
| 765 | } else if (strchr(tmp, '(')) { |
| 766 | extract_parenthesis_with_escape(tmp, '(', ')'); |
| 767 | g_strstrip(tmp); |
| 768 | } |
| 769 | |
| 770 | if (*tmp == '\0') { |
| 771 | g_free(tmp); |
| 772 | name = g_strdup(str); |
| 773 | } else
|
| 774 | name = tmp; |
| 775 | |
| 776 | return name;
|
| 777 | } |
| 778 | |
| 779 | gchar *procheader_get_toname(const gchar *str)
|
| 780 | {
|
| 781 | GSList *addr_list, *cur; |
| 782 | GString *toname; |
| 783 | gchar *name; |
| 784 | |
| 785 | if (strchr(str, ',') == NULL) |
| 786 | return procheader_get_fromname(str);
|
| 787 | |
| 788 | addr_list = address_list_append_orig(NULL, str);
|
| 789 | toname = g_string_new(NULL);
|
| 790 | |
| 791 | for (cur = addr_list; cur != NULL; cur = cur->next) { |
| 792 | name = procheader_get_fromname((gchar *)cur->data); |
| 793 | g_string_append(toname, name); |
| 794 | g_free(name); |
| 795 | if (cur->next)
|
| 796 | g_string_append(toname, ", ");
|
| 797 | } |
| 798 | |
| 799 | slist_free_strings(addr_list); |
| 800 | |
| 801 | return g_string_free(toname, FALSE);
|
| 802 | } |
| 803 | |
| 804 | static gint procheader_scan_date_string(const gchar *str, |
| 805 | gchar *weekday, gint *day, |
| 806 | gchar *month, gint *year, |
| 807 | gint *hh, gint *mm, gint *ss, |
| 808 | gchar *zone) |
| 809 | {
|
| 810 | gint result; |
| 811 | |
| 812 | result = sscanf(str, "%10s %d %9s %d %2d:%2d:%2d %5s",
|
| 813 | weekday, day, month, year, hh, mm, ss, zone); |
| 814 | if (result == 8) return 0; |
| 815 | |
| 816 | result = sscanf(str, "%3s,%d %9s %d %2d:%2d:%2d %5s",
|
| 817 | weekday, day, month, year, hh, mm, ss, zone); |
| 818 | if (result == 8) return 0; |
| 819 | |
| 820 | result = sscanf(str, "%d %9s %d %2d:%2d:%2d %5s",
|
| 821 | day, month, year, hh, mm, ss, zone); |
| 822 | if (result == 7) return 0; |
| 823 | |
| 824 | *zone = '\0';
|
| 825 | result = sscanf(str, "%10s %d %9s %d %2d:%2d:%2d",
|
| 826 | weekday, day, month, year, hh, mm, ss); |
| 827 | if (result == 7) return 0; |
| 828 | |
| 829 | result = sscanf(str, "%d %9s %d %2d:%2d:%2d",
|
| 830 | day, month, year, hh, mm, ss); |
| 831 | if (result == 6) return 0; |
| 832 | |
| 833 | *ss = 0;
|
| 834 | result = sscanf(str, "%10s %d %9s %d %2d:%2d %5s",
|
| 835 | weekday, day, month, year, hh, mm, zone); |
| 836 | if (result == 7) return 0; |
| 837 | |
| 838 | result = sscanf(str, "%d %9s %d %2d:%2d %5s",
|
| 839 | day, month, year, hh, mm, zone); |
| 840 | if (result == 6) return 0; |
| 841 | |
| 842 | *zone = '\0';
|
| 843 | result = sscanf(str, "%d-%2s-%2d %2d:%2d:%2d",
|
| 844 | year, month, day, hh, mm, ss); |
| 845 | if (result == 6) return 0; |
| 846 | |
| 847 | result = sscanf(str, "%10s %d %9s %d %2d:%2d",
|
| 848 | weekday, day, month, year, hh, mm); |
| 849 | if (result == 6) return 0; |
| 850 | |
| 851 | result = sscanf(str, "%d %9s %d %2d:%2d",
|
| 852 | day, month, year, hh, mm); |
| 853 | if (result == 5) return 0; |
| 854 | |
| 855 | return -1; |
| 856 | } |
| 857 | |
| 858 | time_t procheader_date_parse(gchar *dest, const gchar *src, gint len)
|
| 859 | {
|
| 860 | static gchar monthstr[] = "JanFebMarAprMayJunJulAugSepOctNovDec"; |
| 861 | gchar weekday[11];
|
| 862 | gint day; |
| 863 | gchar month[10];
|
| 864 | gint year; |
| 865 | gint hh, mm, ss; |
| 866 | gchar zone[6];
|
| 867 | GDateMonth dmonth = G_DATE_BAD_MONTH; |
| 868 | struct tm t;
|
| 869 | gchar *p; |
| 870 | time_t timer; |
| 871 | time_t tz_offset; |
| 872 | |
| 873 | if (procheader_scan_date_string(src, weekday, &day, month, &year,
|
| 874 | &hh, &mm, &ss, zone) < 0) {
|
| 875 | if (dest && len > 0) |
| 876 | strncpy2(dest, src, len); |
| 877 | return 0; |
| 878 | } |
| 879 | |
| 880 | /* Y2K compliant :) */
|
| 881 | if (year < 1000) { |
| 882 | if (year < 50) |
| 883 | year += 2000;
|
| 884 | else
|
| 885 | year += 1900;
|
| 886 | } |
| 887 | |
| 888 | month[3] = '\0'; |
| 889 | if (g_ascii_isdigit(month[0])) { |
| 890 | dmonth = atoi(month); |
| 891 | } else {
|
| 892 | for (p = monthstr; *p != '\0'; p += 3) { |
| 893 | if (!g_ascii_strncasecmp(p, month, 3)) { |
| 894 | dmonth = (gint)(p - monthstr) / 3 + 1; |
| 895 | break;
|
| 896 | } |
| 897 | } |
| 898 | } |
| 899 | |
| 900 | t.tm_sec = ss; |
| 901 | t.tm_min = mm; |
| 902 | t.tm_hour = hh; |
| 903 | t.tm_mday = day; |
| 904 | t.tm_mon = dmonth - 1;
|
| 905 | t.tm_year = year - 1900;
|
| 906 | t.tm_wday = 0;
|
| 907 | t.tm_yday = 0;
|
| 908 | t.tm_isdst = -1;
|
| 909 | |
| 910 | timer = mktime(&t); |
| 911 | if (timer == -1) { |
| 912 | if (year >= 2038) { |
| 913 | g_warning("mktime: date overflow: %s", src);
|
| 914 | timer = G_MAXINT - 12 * 3600; |
| 915 | } else {
|
| 916 | g_warning("mktime: can't convert date: %s", src);
|
| 917 | if (dest)
|
| 918 | dest[0] = '\0'; |
| 919 | return 0; |
| 920 | } |
| 921 | } |
| 922 | |
| 923 | if (timer < G_MAXINT - 12 * 3600) { |
| 924 | tz_offset = remote_tzoffset_sec(zone); |
| 925 | if (tz_offset != -1) |
| 926 | timer += tzoffset_sec(&timer) - tz_offset; |
| 927 | } |
| 928 | |
| 929 | if (dest)
|
| 930 | procheader_date_get_localtime(dest, len, timer); |
| 931 | |
| 932 | return timer;
|
| 933 | } |
| 934 | |
| 935 | void procheader_date_get_localtime(gchar *dest, gint len, const time_t timer) |
| 936 | {
|
| 937 | struct tm *lt;
|
| 938 | gchar *default_format = "%y/%m/%d(%a) %H:%M";
|
| 939 | gchar *buf; |
| 940 | gchar tmp[BUFFSIZE]; |
| 941 | |
| 942 | lt = localtime(&timer); |
| 943 | if (!lt) {
|
| 944 | g_warning("can't get localtime of %ld\n", timer);
|
| 945 | dest[0] = '\0'; |
| 946 | return;
|
| 947 | } |
| 948 | |
| 949 | if (prefs_common.date_format)
|
| 950 | strftime(tmp, sizeof(tmp), prefs_common.date_format, lt);
|
| 951 | else
|
| 952 | strftime(tmp, sizeof(tmp), default_format, lt);
|
| 953 | |
| 954 | buf = conv_localetodisp(tmp, NULL);
|
| 955 | strncpy2(dest, buf, len); |
| 956 | g_free(buf); |
| 957 | } |