| 1 | #include "cache.h" |
| 2 | #include "config.h" |
| 3 | #include "utf8.h" |
| 4 | #include "strbuf.h" |
| 5 | #include "mailinfo.h" |
| 6 | |
| 7 | static void cleanup_space(struct strbuf *sb) |
| 8 | { |
| 9 | size_t pos, cnt; |
| 10 | for (pos = 0; pos < sb->len; pos++) { |
| 11 | if (isspace(sb->buf[pos])) { |
| 12 | sb->buf[pos] = ' '; |
| 13 | for (cnt = 0; isspace(sb->buf[pos + cnt + 1]); cnt++); |
| 14 | strbuf_remove(sb, pos + 1, cnt); |
| 15 | } |
| 16 | } |
| 17 | } |
| 18 | |
| 19 | static void get_sane_name(struct strbuf *out, struct strbuf *name, struct strbuf *email) |
| 20 | { |
| 21 | struct strbuf *src = name; |
| 22 | if (name->len < 3 || 60 < name->len || strchr(name->buf, '@') || |
| 23 | strchr(name->buf, '<') || strchr(name->buf, '>')) |
| 24 | src = email; |
| 25 | else if (name == out) |
| 26 | return; |
| 27 | strbuf_reset(out); |
| 28 | strbuf_addbuf(out, src); |
| 29 | } |
| 30 | |
| 31 | static void parse_bogus_from(struct mailinfo *mi, const struct strbuf *line) |
| 32 | { |
| 33 | /* John Doe <johndoe> */ |
| 34 | |
| 35 | char *bra, *ket; |
| 36 | /* This is fallback, so do not bother if we already have an |
| 37 | * e-mail address. |
| 38 | */ |
| 39 | if (mi->email.len) |
| 40 | return; |
| 41 | |
| 42 | bra = strchr(line->buf, '<'); |
| 43 | if (!bra) |
| 44 | return; |
| 45 | ket = strchr(bra, '>'); |
| 46 | if (!ket) |
| 47 | return; |
| 48 | |
| 49 | strbuf_reset(&mi->email); |
| 50 | strbuf_add(&mi->email, bra + 1, ket - bra - 1); |
| 51 | |
| 52 | strbuf_reset(&mi->name); |
| 53 | strbuf_add(&mi->name, line->buf, bra - line->buf); |
| 54 | strbuf_trim(&mi->name); |
| 55 | get_sane_name(&mi->name, &mi->name, &mi->email); |
| 56 | } |
| 57 | |
| 58 | static const char *unquote_comment(struct strbuf *outbuf, const char *in) |
| 59 | { |
| 60 | int c; |
| 61 | int take_next_literally = 0; |
| 62 | |
| 63 | strbuf_addch(outbuf, '('); |
| 64 | |
| 65 | while ((c = *in++) != 0) { |
| 66 | if (take_next_literally == 1) { |
| 67 | take_next_literally = 0; |
| 68 | } else { |
| 69 | switch (c) { |
| 70 | case '\\': |
| 71 | take_next_literally = 1; |
| 72 | continue; |
| 73 | case '(': |
| 74 | in = unquote_comment(outbuf, in); |
| 75 | continue; |
| 76 | case ')': |
| 77 | strbuf_addch(outbuf, ')'); |
| 78 | return in; |
| 79 | } |
| 80 | } |
| 81 | |
| 82 | strbuf_addch(outbuf, c); |
| 83 | } |
| 84 | |
| 85 | return in; |
| 86 | } |
| 87 | |
| 88 | static const char *unquote_quoted_string(struct strbuf *outbuf, const char *in) |
| 89 | { |
| 90 | int c; |
| 91 | int take_next_literally = 0; |
| 92 | |
| 93 | while ((c = *in++) != 0) { |
| 94 | if (take_next_literally == 1) { |
| 95 | take_next_literally = 0; |
| 96 | } else { |
| 97 | switch (c) { |
| 98 | case '\\': |
| 99 | take_next_literally = 1; |
| 100 | continue; |
| 101 | case '"': |
| 102 | return in; |
| 103 | } |
| 104 | } |
| 105 | |
| 106 | strbuf_addch(outbuf, c); |
| 107 | } |
| 108 | |
| 109 | return in; |
| 110 | } |
| 111 | |
| 112 | static void unquote_quoted_pair(struct strbuf *line) |
| 113 | { |
| 114 | struct strbuf outbuf; |
| 115 | const char *in = line->buf; |
| 116 | int c; |
| 117 | |
| 118 | strbuf_init(&outbuf, line->len); |
| 119 | |
| 120 | while ((c = *in++) != 0) { |
| 121 | switch (c) { |
| 122 | case '"': |
| 123 | in = unquote_quoted_string(&outbuf, in); |
| 124 | continue; |
| 125 | case '(': |
| 126 | in = unquote_comment(&outbuf, in); |
| 127 | continue; |
| 128 | } |
| 129 | |
| 130 | strbuf_addch(&outbuf, c); |
| 131 | } |
| 132 | |
| 133 | strbuf_swap(&outbuf, line); |
| 134 | strbuf_release(&outbuf); |
| 135 | |
| 136 | } |
| 137 | |
| 138 | static void handle_from(struct mailinfo *mi, const struct strbuf *from) |
| 139 | { |
| 140 | char *at; |
| 141 | size_t el; |
| 142 | struct strbuf f; |
| 143 | |
| 144 | strbuf_init(&f, from->len); |
| 145 | strbuf_addbuf(&f, from); |
| 146 | |
| 147 | unquote_quoted_pair(&f); |
| 148 | |
| 149 | at = strchr(f.buf, '@'); |
| 150 | if (!at) { |
| 151 | parse_bogus_from(mi, from); |
| 152 | goto out; |
| 153 | } |
| 154 | |
| 155 | /* |
| 156 | * If we already have one email, don't take any confusing lines |
| 157 | */ |
| 158 | if (mi->email.len && strchr(at + 1, '@')) |
| 159 | goto out; |
| 160 | |
| 161 | /* Pick up the string around '@', possibly delimited with <> |
| 162 | * pair; that is the email part. |
| 163 | */ |
| 164 | while (at > f.buf) { |
| 165 | char c = at[-1]; |
| 166 | if (isspace(c)) |
| 167 | break; |
| 168 | if (c == '<') { |
| 169 | at[-1] = ' '; |
| 170 | break; |
| 171 | } |
| 172 | at--; |
| 173 | } |
| 174 | el = strcspn(at, " \n\t\r\v\f>"); |
| 175 | strbuf_reset(&mi->email); |
| 176 | strbuf_add(&mi->email, at, el); |
| 177 | strbuf_remove(&f, at - f.buf, el + (at[el] ? 1 : 0)); |
| 178 | |
| 179 | /* The remainder is name. It could be |
| 180 | * |
| 181 | * - "John Doe <john.doe@xz>" (a), or |
| 182 | * - "john.doe@xz (John Doe)" (b), or |
| 183 | * - "John (zzz) Doe <john.doe@xz> (Comment)" (c) |
| 184 | * |
| 185 | * but we have removed the email part, so |
| 186 | * |
| 187 | * - remove extra spaces which could stay after email (case 'c'), and |
| 188 | * - trim from both ends, possibly removing the () pair at the end |
| 189 | * (cases 'a' and 'b'). |
| 190 | */ |
| 191 | cleanup_space(&f); |
| 192 | strbuf_trim(&f); |
| 193 | if (f.buf[0] == '(' && f.len && f.buf[f.len - 1] == ')') { |
| 194 | strbuf_remove(&f, 0, 1); |
| 195 | strbuf_setlen(&f, f.len - 1); |
| 196 | } |
| 197 | |
| 198 | get_sane_name(&mi->name, &f, &mi->email); |
| 199 | out: |
| 200 | strbuf_release(&f); |
| 201 | } |
| 202 | |
| 203 | static void handle_header(struct strbuf **out, const struct strbuf *line) |
| 204 | { |
| 205 | if (!*out) { |
| 206 | *out = xmalloc(sizeof(struct strbuf)); |
| 207 | strbuf_init(*out, line->len); |
| 208 | } else |
| 209 | strbuf_reset(*out); |
| 210 | |
| 211 | strbuf_addbuf(*out, line); |
| 212 | } |
| 213 | |
| 214 | /* NOTE NOTE NOTE. We do not claim we do full MIME. We just attempt |
| 215 | * to have enough heuristics to grok MIME encoded patches often found |
| 216 | * on our mailing lists. For example, we do not even treat header lines |
| 217 | * case insensitively. |
| 218 | */ |
| 219 | |
| 220 | static int slurp_attr(const char *line, const char *name, struct strbuf *attr) |
| 221 | { |
| 222 | const char *ends, *ap = strcasestr(line, name); |
| 223 | size_t sz; |
| 224 | |
| 225 | strbuf_setlen(attr, 0); |
| 226 | if (!ap) |
| 227 | return 0; |
| 228 | ap += strlen(name); |
| 229 | if (*ap == '"') { |
| 230 | ap++; |
| 231 | ends = "\""; |
| 232 | } |
| 233 | else |
| 234 | ends = "; \t"; |
| 235 | sz = strcspn(ap, ends); |
| 236 | strbuf_add(attr, ap, sz); |
| 237 | return 1; |
| 238 | } |
| 239 | |
| 240 | static int has_attr_value(const char *line, const char *name, const char *value) |
| 241 | { |
| 242 | struct strbuf sb = STRBUF_INIT; |
| 243 | int rc = slurp_attr(line, name, &sb) && !strcasecmp(sb.buf, value); |
| 244 | strbuf_release(&sb); |
| 245 | return rc; |
| 246 | } |
| 247 | |
| 248 | static void handle_content_type(struct mailinfo *mi, struct strbuf *line) |
| 249 | { |
| 250 | struct strbuf *boundary = xmalloc(sizeof(struct strbuf)); |
| 251 | strbuf_init(boundary, line->len); |
| 252 | |
| 253 | mi->format_flowed = has_attr_value(line->buf, "format=", "flowed"); |
| 254 | mi->delsp = has_attr_value(line->buf, "delsp=", "yes"); |
| 255 | |
| 256 | if (slurp_attr(line->buf, "boundary=", boundary)) { |
| 257 | strbuf_insert(boundary, 0, "--", 2); |
| 258 | if (++mi->content_top >= &mi->content[MAX_BOUNDARIES]) { |
| 259 | error("Too many boundaries to handle"); |
| 260 | mi->input_error = -1; |
| 261 | mi->content_top = &mi->content[MAX_BOUNDARIES] - 1; |
| 262 | return; |
| 263 | } |
| 264 | *(mi->content_top) = boundary; |
| 265 | boundary = NULL; |
| 266 | } |
| 267 | slurp_attr(line->buf, "charset=", &mi->charset); |
| 268 | |
| 269 | if (boundary) { |
| 270 | strbuf_release(boundary); |
| 271 | free(boundary); |
| 272 | } |
| 273 | } |
| 274 | |
| 275 | static void handle_content_transfer_encoding(struct mailinfo *mi, |
| 276 | const struct strbuf *line) |
| 277 | { |
| 278 | if (strcasestr(line->buf, "base64")) |
| 279 | mi->transfer_encoding = TE_BASE64; |
| 280 | else if (strcasestr(line->buf, "quoted-printable")) |
| 281 | mi->transfer_encoding = TE_QP; |
| 282 | else |
| 283 | mi->transfer_encoding = TE_DONTCARE; |
| 284 | } |
| 285 | |
| 286 | static int is_multipart_boundary(struct mailinfo *mi, const struct strbuf *line) |
| 287 | { |
| 288 | struct strbuf *content_top = *(mi->content_top); |
| 289 | |
| 290 | return ((content_top->len <= line->len) && |
| 291 | !memcmp(line->buf, content_top->buf, content_top->len)); |
| 292 | } |
| 293 | |
| 294 | static void cleanup_subject(struct mailinfo *mi, struct strbuf *subject) |
| 295 | { |
| 296 | size_t at = 0; |
| 297 | |
| 298 | while (at < subject->len) { |
| 299 | char *pos; |
| 300 | size_t remove; |
| 301 | |
| 302 | switch (subject->buf[at]) { |
| 303 | case 'r': case 'R': |
| 304 | if (subject->len <= at + 3) |
| 305 | break; |
| 306 | if ((subject->buf[at + 1] == 'e' || |
| 307 | subject->buf[at + 1] == 'E') && |
| 308 | subject->buf[at + 2] == ':') { |
| 309 | strbuf_remove(subject, at, 3); |
| 310 | continue; |
| 311 | } |
| 312 | at++; |
| 313 | break; |
| 314 | case ' ': case '\t': case ':': |
| 315 | strbuf_remove(subject, at, 1); |
| 316 | continue; |
| 317 | case '[': |
| 318 | pos = strchr(subject->buf + at, ']'); |
| 319 | if (!pos) |
| 320 | break; |
| 321 | remove = pos - subject->buf + at + 1; |
| 322 | if (!mi->keep_non_patch_brackets_in_subject || |
| 323 | (7 <= remove && |
| 324 | memmem(subject->buf + at, remove, "PATCH", 5))) |
| 325 | strbuf_remove(subject, at, remove); |
| 326 | else { |
| 327 | at += remove; |
| 328 | /* |
| 329 | * If the input had a space after the ], keep |
| 330 | * it. We don't bother with finding the end of |
| 331 | * the space, since we later normalize it |
| 332 | * anyway. |
| 333 | */ |
| 334 | if (isspace(subject->buf[at])) |
| 335 | at += 1; |
| 336 | } |
| 337 | continue; |
| 338 | } |
| 339 | break; |
| 340 | } |
| 341 | strbuf_trim(subject); |
| 342 | } |
| 343 | |
| 344 | #define MAX_HDR_PARSED 10 |
| 345 | static const char *header[MAX_HDR_PARSED] = { |
| 346 | "From","Subject","Date", |
| 347 | }; |
| 348 | |
| 349 | static inline int cmp_header(const struct strbuf *line, const char *hdr) |
| 350 | { |
| 351 | int len = strlen(hdr); |
| 352 | return !strncasecmp(line->buf, hdr, len) && line->len > len && |
| 353 | line->buf[len] == ':' && isspace(line->buf[len + 1]); |
| 354 | } |
| 355 | |
| 356 | static int is_format_patch_separator(const char *line, int len) |
| 357 | { |
| 358 | static const char SAMPLE[] = |
| 359 | "From e6807f3efca28b30decfecb1732a56c7db1137ee Mon Sep 17 00:00:00 2001\n"; |
| 360 | const char *cp; |
| 361 | |
| 362 | if (len != strlen(SAMPLE)) |
| 363 | return 0; |
| 364 | if (!skip_prefix(line, "From ", &cp)) |
| 365 | return 0; |
| 366 | if (strspn(cp, "0123456789abcdef") != 40) |
| 367 | return 0; |
| 368 | cp += 40; |
| 369 | return !memcmp(SAMPLE + (cp - line), cp, strlen(SAMPLE) - (cp - line)); |
| 370 | } |
| 371 | |
| 372 | static struct strbuf *decode_q_segment(const struct strbuf *q_seg, int rfc2047) |
| 373 | { |
| 374 | const char *in = q_seg->buf; |
| 375 | int c; |
| 376 | struct strbuf *out = xmalloc(sizeof(struct strbuf)); |
| 377 | strbuf_init(out, q_seg->len); |
| 378 | |
| 379 | while ((c = *in++) != 0) { |
| 380 | if (c == '=') { |
| 381 | int ch, d = *in; |
| 382 | if (d == '\n' || !d) |
| 383 | break; /* drop trailing newline */ |
| 384 | ch = hex2chr(in); |
| 385 | if (ch >= 0) { |
| 386 | strbuf_addch(out, ch); |
| 387 | in += 2; |
| 388 | continue; |
| 389 | } |
| 390 | /* garbage -- fall through */ |
| 391 | } |
| 392 | if (rfc2047 && c == '_') /* rfc2047 4.2 (2) */ |
| 393 | c = 0x20; |
| 394 | strbuf_addch(out, c); |
| 395 | } |
| 396 | return out; |
| 397 | } |
| 398 | |
| 399 | static struct strbuf *decode_b_segment(const struct strbuf *b_seg) |
| 400 | { |
| 401 | /* Decode in..ep, possibly in-place to ot */ |
| 402 | int c, pos = 0, acc = 0; |
| 403 | const char *in = b_seg->buf; |
| 404 | struct strbuf *out = xmalloc(sizeof(struct strbuf)); |
| 405 | strbuf_init(out, b_seg->len); |
| 406 | |
| 407 | while ((c = *in++) != 0) { |
| 408 | if (c == '+') |
| 409 | c = 62; |
| 410 | else if (c == '/') |
| 411 | c = 63; |
| 412 | else if ('A' <= c && c <= 'Z') |
| 413 | c -= 'A'; |
| 414 | else if ('a' <= c && c <= 'z') |
| 415 | c -= 'a' - 26; |
| 416 | else if ('0' <= c && c <= '9') |
| 417 | c -= '0' - 52; |
| 418 | else |
| 419 | continue; /* garbage */ |
| 420 | switch (pos++) { |
| 421 | case 0: |
| 422 | acc = (c << 2); |
| 423 | break; |
| 424 | case 1: |
| 425 | strbuf_addch(out, (acc | (c >> 4))); |
| 426 | acc = (c & 15) << 4; |
| 427 | break; |
| 428 | case 2: |
| 429 | strbuf_addch(out, (acc | (c >> 2))); |
| 430 | acc = (c & 3) << 6; |
| 431 | break; |
| 432 | case 3: |
| 433 | strbuf_addch(out, (acc | c)); |
| 434 | acc = pos = 0; |
| 435 | break; |
| 436 | } |
| 437 | } |
| 438 | return out; |
| 439 | } |
| 440 | |
| 441 | static int convert_to_utf8(struct mailinfo *mi, |
| 442 | struct strbuf *line, const char *charset) |
| 443 | { |
| 444 | char *out; |
| 445 | |
| 446 | if (!mi->metainfo_charset || !charset || !*charset) |
| 447 | return 0; |
| 448 | |
| 449 | if (same_encoding(mi->metainfo_charset, charset)) |
| 450 | return 0; |
| 451 | out = reencode_string(line->buf, mi->metainfo_charset, charset); |
| 452 | if (!out) { |
| 453 | mi->input_error = -1; |
| 454 | return error("cannot convert from %s to %s", |
| 455 | charset, mi->metainfo_charset); |
| 456 | } |
| 457 | strbuf_attach(line, out, strlen(out), strlen(out)); |
| 458 | return 0; |
| 459 | } |
| 460 | |
| 461 | static void decode_header(struct mailinfo *mi, struct strbuf *it) |
| 462 | { |
| 463 | char *in, *ep, *cp; |
| 464 | struct strbuf outbuf = STRBUF_INIT, *dec; |
| 465 | struct strbuf charset_q = STRBUF_INIT, piecebuf = STRBUF_INIT; |
| 466 | int found_error = 1; /* pessimism */ |
| 467 | |
| 468 | in = it->buf; |
| 469 | while (in - it->buf <= it->len && (ep = strstr(in, "=?")) != NULL) { |
| 470 | int encoding; |
| 471 | strbuf_reset(&charset_q); |
| 472 | strbuf_reset(&piecebuf); |
| 473 | |
| 474 | if (in != ep) { |
| 475 | /* |
| 476 | * We are about to process an encoded-word |
| 477 | * that begins at ep, but there is something |
| 478 | * before the encoded word. |
| 479 | */ |
| 480 | char *scan; |
| 481 | for (scan = in; scan < ep; scan++) |
| 482 | if (!isspace(*scan)) |
| 483 | break; |
| 484 | |
| 485 | if (scan != ep || in == it->buf) { |
| 486 | /* |
| 487 | * We should not lose that "something", |
| 488 | * unless we have just processed an |
| 489 | * encoded-word, and there is only LWS |
| 490 | * before the one we are about to process. |
| 491 | */ |
| 492 | strbuf_add(&outbuf, in, ep - in); |
| 493 | } |
| 494 | } |
| 495 | /* E.g. |
| 496 | * ep : "=?iso-2022-jp?B?GyR...?= foo" |
| 497 | * ep : "=?ISO-8859-1?Q?Foo=FCbar?= baz" |
| 498 | */ |
| 499 | ep += 2; |
| 500 | |
| 501 | if (ep - it->buf >= it->len || !(cp = strchr(ep, '?'))) |
| 502 | goto release_return; |
| 503 | |
| 504 | if (cp + 3 - it->buf > it->len) |
| 505 | goto release_return; |
| 506 | strbuf_add(&charset_q, ep, cp - ep); |
| 507 | |
| 508 | encoding = cp[1]; |
| 509 | if (!encoding || cp[2] != '?') |
| 510 | goto release_return; |
| 511 | ep = strstr(cp + 3, "?="); |
| 512 | if (!ep) |
| 513 | goto release_return; |
| 514 | strbuf_add(&piecebuf, cp + 3, ep - cp - 3); |
| 515 | switch (tolower(encoding)) { |
| 516 | default: |
| 517 | goto release_return; |
| 518 | case 'b': |
| 519 | dec = decode_b_segment(&piecebuf); |
| 520 | break; |
| 521 | case 'q': |
| 522 | dec = decode_q_segment(&piecebuf, 1); |
| 523 | break; |
| 524 | } |
| 525 | if (convert_to_utf8(mi, dec, charset_q.buf)) |
| 526 | goto release_return; |
| 527 | |
| 528 | strbuf_addbuf(&outbuf, dec); |
| 529 | strbuf_release(dec); |
| 530 | free(dec); |
| 531 | in = ep + 2; |
| 532 | } |
| 533 | strbuf_addstr(&outbuf, in); |
| 534 | strbuf_reset(it); |
| 535 | strbuf_addbuf(it, &outbuf); |
| 536 | found_error = 0; |
| 537 | release_return: |
| 538 | strbuf_release(&outbuf); |
| 539 | strbuf_release(&charset_q); |
| 540 | strbuf_release(&piecebuf); |
| 541 | |
| 542 | if (found_error) |
| 543 | mi->input_error = -1; |
| 544 | } |
| 545 | |
| 546 | static int check_header(struct mailinfo *mi, |
| 547 | const struct strbuf *line, |
| 548 | struct strbuf *hdr_data[], int overwrite) |
| 549 | { |
| 550 | int i, ret = 0, len; |
| 551 | struct strbuf sb = STRBUF_INIT; |
| 552 | |
| 553 | /* search for the interesting parts */ |
| 554 | for (i = 0; header[i]; i++) { |
| 555 | int len = strlen(header[i]); |
| 556 | if ((!hdr_data[i] || overwrite) && cmp_header(line, header[i])) { |
| 557 | /* Unwrap inline B and Q encoding, and optionally |
| 558 | * normalize the meta information to utf8. |
| 559 | */ |
| 560 | strbuf_add(&sb, line->buf + len + 2, line->len - len - 2); |
| 561 | decode_header(mi, &sb); |
| 562 | handle_header(&hdr_data[i], &sb); |
| 563 | ret = 1; |
| 564 | goto check_header_out; |
| 565 | } |
| 566 | } |
| 567 | |
| 568 | /* Content stuff */ |
| 569 | if (cmp_header(line, "Content-Type")) { |
| 570 | len = strlen("Content-Type: "); |
| 571 | strbuf_add(&sb, line->buf + len, line->len - len); |
| 572 | decode_header(mi, &sb); |
| 573 | strbuf_insert(&sb, 0, "Content-Type: ", len); |
| 574 | handle_content_type(mi, &sb); |
| 575 | ret = 1; |
| 576 | goto check_header_out; |
| 577 | } |
| 578 | if (cmp_header(line, "Content-Transfer-Encoding")) { |
| 579 | len = strlen("Content-Transfer-Encoding: "); |
| 580 | strbuf_add(&sb, line->buf + len, line->len - len); |
| 581 | decode_header(mi, &sb); |
| 582 | handle_content_transfer_encoding(mi, &sb); |
| 583 | ret = 1; |
| 584 | goto check_header_out; |
| 585 | } |
| 586 | if (cmp_header(line, "Message-Id")) { |
| 587 | len = strlen("Message-Id: "); |
| 588 | strbuf_add(&sb, line->buf + len, line->len - len); |
| 589 | decode_header(mi, &sb); |
| 590 | if (mi->add_message_id) |
| 591 | mi->message_id = strbuf_detach(&sb, NULL); |
| 592 | ret = 1; |
| 593 | goto check_header_out; |
| 594 | } |
| 595 | |
| 596 | check_header_out: |
| 597 | strbuf_release(&sb); |
| 598 | return ret; |
| 599 | } |
| 600 | |
| 601 | /* |
| 602 | * Returns 1 if the given line or any line beginning with the given line is an |
| 603 | * in-body header (that is, check_header will succeed when passed |
| 604 | * mi->s_hdr_data). |
| 605 | */ |
| 606 | static int is_inbody_header(const struct mailinfo *mi, |
| 607 | const struct strbuf *line) |
| 608 | { |
| 609 | int i; |
| 610 | for (i = 0; header[i]; i++) |
| 611 | if (!mi->s_hdr_data[i] && cmp_header(line, header[i])) |
| 612 | return 1; |
| 613 | return 0; |
| 614 | } |
| 615 | |
| 616 | static void decode_transfer_encoding(struct mailinfo *mi, struct strbuf *line) |
| 617 | { |
| 618 | struct strbuf *ret; |
| 619 | |
| 620 | switch (mi->transfer_encoding) { |
| 621 | case TE_QP: |
| 622 | ret = decode_q_segment(line, 0); |
| 623 | break; |
| 624 | case TE_BASE64: |
| 625 | ret = decode_b_segment(line); |
| 626 | break; |
| 627 | case TE_DONTCARE: |
| 628 | default: |
| 629 | return; |
| 630 | } |
| 631 | strbuf_reset(line); |
| 632 | strbuf_addbuf(line, ret); |
| 633 | strbuf_release(ret); |
| 634 | free(ret); |
| 635 | } |
| 636 | |
| 637 | static inline int patchbreak(const struct strbuf *line) |
| 638 | { |
| 639 | size_t i; |
| 640 | |
| 641 | /* Beginning of a "diff -" header? */ |
| 642 | if (starts_with(line->buf, "diff -")) |
| 643 | return 1; |
| 644 | |
| 645 | /* CVS "Index: " line? */ |
| 646 | if (starts_with(line->buf, "Index: ")) |
| 647 | return 1; |
| 648 | |
| 649 | /* |
| 650 | * "--- <filename>" starts patches without headers |
| 651 | * "---<sp>*" is a manual separator |
| 652 | */ |
| 653 | if (line->len < 4) |
| 654 | return 0; |
| 655 | |
| 656 | if (starts_with(line->buf, "---")) { |
| 657 | /* space followed by a filename? */ |
| 658 | if (line->buf[3] == ' ' && !isspace(line->buf[4])) |
| 659 | return 1; |
| 660 | /* Just whitespace? */ |
| 661 | for (i = 3; i < line->len; i++) { |
| 662 | unsigned char c = line->buf[i]; |
| 663 | if (c == '\n') |
| 664 | return 1; |
| 665 | if (!isspace(c)) |
| 666 | break; |
| 667 | } |
| 668 | return 0; |
| 669 | } |
| 670 | return 0; |
| 671 | } |
| 672 | |
| 673 | static int is_scissors_line(const char *line) |
| 674 | { |
| 675 | const char *c; |
| 676 | int scissors = 0, gap = 0; |
| 677 | const char *first_nonblank = NULL, *last_nonblank = NULL; |
| 678 | int visible, perforation = 0, in_perforation = 0; |
| 679 | |
| 680 | for (c = line; *c; c++) { |
| 681 | if (isspace(*c)) { |
| 682 | if (in_perforation) { |
| 683 | perforation++; |
| 684 | gap++; |
| 685 | } |
| 686 | continue; |
| 687 | } |
| 688 | last_nonblank = c; |
| 689 | if (first_nonblank == NULL) |
| 690 | first_nonblank = c; |
| 691 | if (*c == '-') { |
| 692 | in_perforation = 1; |
| 693 | perforation++; |
| 694 | continue; |
| 695 | } |
| 696 | if ((!memcmp(c, ">8", 2) || !memcmp(c, "8<", 2) || |
| 697 | !memcmp(c, ">%", 2) || !memcmp(c, "%<", 2))) { |
| 698 | in_perforation = 1; |
| 699 | perforation += 2; |
| 700 | scissors += 2; |
| 701 | c++; |
| 702 | continue; |
| 703 | } |
| 704 | in_perforation = 0; |
| 705 | } |
| 706 | |
| 707 | /* |
| 708 | * The mark must be at least 8 bytes long (e.g. "-- >8 --"). |
| 709 | * Even though there can be arbitrary cruft on the same line |
| 710 | * (e.g. "cut here"), in order to avoid misidentification, the |
| 711 | * perforation must occupy more than a third of the visible |
| 712 | * width of the line, and dashes and scissors must occupy more |
| 713 | * than half of the perforation. |
| 714 | */ |
| 715 | |
| 716 | if (first_nonblank && last_nonblank) |
| 717 | visible = last_nonblank - first_nonblank + 1; |
| 718 | else |
| 719 | visible = 0; |
| 720 | return (scissors && 8 <= visible && |
| 721 | visible < perforation * 3 && |
| 722 | gap * 2 < perforation); |
| 723 | } |
| 724 | |
| 725 | static void flush_inbody_header_accum(struct mailinfo *mi) |
| 726 | { |
| 727 | if (!mi->inbody_header_accum.len) |
| 728 | return; |
| 729 | if (!check_header(mi, &mi->inbody_header_accum, mi->s_hdr_data, 0)) |
| 730 | BUG("inbody_header_accum, if not empty, must always contain a valid in-body header"); |
| 731 | strbuf_reset(&mi->inbody_header_accum); |
| 732 | } |
| 733 | |
| 734 | static int check_inbody_header(struct mailinfo *mi, const struct strbuf *line) |
| 735 | { |
| 736 | if (mi->inbody_header_accum.len && |
| 737 | (line->buf[0] == ' ' || line->buf[0] == '\t')) { |
| 738 | if (mi->use_scissors && is_scissors_line(line->buf)) { |
| 739 | /* |
| 740 | * This is a scissors line; do not consider this line |
| 741 | * as a header continuation line. |
| 742 | */ |
| 743 | flush_inbody_header_accum(mi); |
| 744 | return 0; |
| 745 | } |
| 746 | strbuf_strip_suffix(&mi->inbody_header_accum, "\n"); |
| 747 | strbuf_addbuf(&mi->inbody_header_accum, line); |
| 748 | return 1; |
| 749 | } |
| 750 | |
| 751 | flush_inbody_header_accum(mi); |
| 752 | |
| 753 | if (starts_with(line->buf, ">From") && isspace(line->buf[5])) |
| 754 | return is_format_patch_separator(line->buf + 1, line->len - 1); |
| 755 | if (starts_with(line->buf, "[PATCH]") && isspace(line->buf[7])) { |
| 756 | int i; |
| 757 | for (i = 0; header[i]; i++) |
| 758 | if (!strcmp("Subject", header[i])) { |
| 759 | handle_header(&mi->s_hdr_data[i], line); |
| 760 | return 1; |
| 761 | } |
| 762 | return 0; |
| 763 | } |
| 764 | if (is_inbody_header(mi, line)) { |
| 765 | strbuf_addbuf(&mi->inbody_header_accum, line); |
| 766 | return 1; |
| 767 | } |
| 768 | return 0; |
| 769 | } |
| 770 | |
| 771 | static int handle_commit_msg(struct mailinfo *mi, struct strbuf *line) |
| 772 | { |
| 773 | assert(!mi->filter_stage); |
| 774 | |
| 775 | if (mi->header_stage) { |
| 776 | if (!line->len || (line->len == 1 && line->buf[0] == '\n')) { |
| 777 | if (mi->inbody_header_accum.len) { |
| 778 | flush_inbody_header_accum(mi); |
| 779 | mi->header_stage = 0; |
| 780 | } |
| 781 | return 0; |
| 782 | } |
| 783 | } |
| 784 | |
| 785 | if (mi->use_inbody_headers && mi->header_stage) { |
| 786 | mi->header_stage = check_inbody_header(mi, line); |
| 787 | if (mi->header_stage) |
| 788 | return 0; |
| 789 | } else |
| 790 | /* Only trim the first (blank) line of the commit message |
| 791 | * when ignoring in-body headers. |
| 792 | */ |
| 793 | mi->header_stage = 0; |
| 794 | |
| 795 | /* normalize the log message to UTF-8. */ |
| 796 | if (convert_to_utf8(mi, line, mi->charset.buf)) |
| 797 | return 0; /* mi->input_error already set */ |
| 798 | |
| 799 | if (mi->use_scissors && is_scissors_line(line->buf)) { |
| 800 | int i; |
| 801 | |
| 802 | strbuf_setlen(&mi->log_message, 0); |
| 803 | mi->header_stage = 1; |
| 804 | |
| 805 | /* |
| 806 | * We may have already read "secondary headers"; purge |
| 807 | * them to give ourselves a clean restart. |
| 808 | */ |
| 809 | for (i = 0; header[i]; i++) { |
| 810 | if (mi->s_hdr_data[i]) |
| 811 | strbuf_release(mi->s_hdr_data[i]); |
| 812 | mi->s_hdr_data[i] = NULL; |
| 813 | } |
| 814 | return 0; |
| 815 | } |
| 816 | |
| 817 | if (patchbreak(line)) { |
| 818 | if (mi->message_id) |
| 819 | strbuf_addf(&mi->log_message, |
| 820 | "Message-Id: %s\n", mi->message_id); |
| 821 | return 1; |
| 822 | } |
| 823 | |
| 824 | strbuf_addbuf(&mi->log_message, line); |
| 825 | return 0; |
| 826 | } |
| 827 | |
| 828 | static void handle_patch(struct mailinfo *mi, const struct strbuf *line) |
| 829 | { |
| 830 | fwrite(line->buf, 1, line->len, mi->patchfile); |
| 831 | mi->patch_lines++; |
| 832 | } |
| 833 | |
| 834 | static void handle_filter(struct mailinfo *mi, struct strbuf *line) |
| 835 | { |
| 836 | switch (mi->filter_stage) { |
| 837 | case 0: |
| 838 | if (!handle_commit_msg(mi, line)) |
| 839 | break; |
| 840 | mi->filter_stage++; |
| 841 | /* fallthrough */ |
| 842 | case 1: |
| 843 | handle_patch(mi, line); |
| 844 | break; |
| 845 | } |
| 846 | } |
| 847 | |
| 848 | static int is_rfc2822_header(const struct strbuf *line) |
| 849 | { |
| 850 | /* |
| 851 | * The section that defines the loosest possible |
| 852 | * field name is "3.6.8 Optional fields". |
| 853 | * |
| 854 | * optional-field = field-name ":" unstructured CRLF |
| 855 | * field-name = 1*ftext |
| 856 | * ftext = %d33-57 / %59-126 |
| 857 | */ |
| 858 | int ch; |
| 859 | char *cp = line->buf; |
| 860 | |
| 861 | /* Count mbox From headers as headers */ |
| 862 | if (starts_with(cp, "From ") || starts_with(cp, ">From ")) |
| 863 | return 1; |
| 864 | |
| 865 | while ((ch = *cp++)) { |
| 866 | if (ch == ':') |
| 867 | return 1; |
| 868 | if ((33 <= ch && ch <= 57) || |
| 869 | (59 <= ch && ch <= 126)) |
| 870 | continue; |
| 871 | break; |
| 872 | } |
| 873 | return 0; |
| 874 | } |
| 875 | |
| 876 | static int read_one_header_line(struct strbuf *line, FILE *in) |
| 877 | { |
| 878 | struct strbuf continuation = STRBUF_INIT; |
| 879 | |
| 880 | /* Get the first part of the line. */ |
| 881 | if (strbuf_getline_lf(line, in)) |
| 882 | return 0; |
| 883 | |
| 884 | /* |
| 885 | * Is it an empty line or not a valid rfc2822 header? |
| 886 | * If so, stop here, and return false ("not a header") |
| 887 | */ |
| 888 | strbuf_rtrim(line); |
| 889 | if (!line->len || !is_rfc2822_header(line)) { |
| 890 | /* Re-add the newline */ |
| 891 | strbuf_addch(line, '\n'); |
| 892 | return 0; |
| 893 | } |
| 894 | |
| 895 | /* |
| 896 | * Now we need to eat all the continuation lines.. |
| 897 | * Yuck, 2822 header "folding" |
| 898 | */ |
| 899 | for (;;) { |
| 900 | int peek; |
| 901 | |
| 902 | peek = fgetc(in); |
| 903 | if (peek == EOF) |
| 904 | break; |
| 905 | ungetc(peek, in); |
| 906 | if (peek != ' ' && peek != '\t') |
| 907 | break; |
| 908 | if (strbuf_getline_lf(&continuation, in)) |
| 909 | break; |
| 910 | continuation.buf[0] = ' '; |
| 911 | strbuf_rtrim(&continuation); |
| 912 | strbuf_addbuf(line, &continuation); |
| 913 | } |
| 914 | strbuf_release(&continuation); |
| 915 | |
| 916 | return 1; |
| 917 | } |
| 918 | |
| 919 | static int find_boundary(struct mailinfo *mi, struct strbuf *line) |
| 920 | { |
| 921 | while (!strbuf_getline_lf(line, mi->input)) { |
| 922 | if (*(mi->content_top) && is_multipart_boundary(mi, line)) |
| 923 | return 1; |
| 924 | } |
| 925 | return 0; |
| 926 | } |
| 927 | |
| 928 | static int handle_boundary(struct mailinfo *mi, struct strbuf *line) |
| 929 | { |
| 930 | struct strbuf newline = STRBUF_INIT; |
| 931 | |
| 932 | strbuf_addch(&newline, '\n'); |
| 933 | again: |
| 934 | if (line->len >= (*(mi->content_top))->len + 2 && |
| 935 | !memcmp(line->buf + (*(mi->content_top))->len, "--", 2)) { |
| 936 | /* we hit an end boundary */ |
| 937 | /* pop the current boundary off the stack */ |
| 938 | strbuf_release(*(mi->content_top)); |
| 939 | FREE_AND_NULL(*(mi->content_top)); |
| 940 | |
| 941 | /* technically won't happen as is_multipart_boundary() |
| 942 | will fail first. But just in case.. |
| 943 | */ |
| 944 | if (--mi->content_top < mi->content) { |
| 945 | error("Detected mismatched boundaries, can't recover"); |
| 946 | mi->input_error = -1; |
| 947 | mi->content_top = mi->content; |
| 948 | strbuf_release(&newline); |
| 949 | return 0; |
| 950 | } |
| 951 | handle_filter(mi, &newline); |
| 952 | strbuf_release(&newline); |
| 953 | if (mi->input_error) |
| 954 | return 0; |
| 955 | |
| 956 | /* skip to the next boundary */ |
| 957 | if (!find_boundary(mi, line)) |
| 958 | return 0; |
| 959 | goto again; |
| 960 | } |
| 961 | |
| 962 | /* set some defaults */ |
| 963 | mi->transfer_encoding = TE_DONTCARE; |
| 964 | strbuf_reset(&mi->charset); |
| 965 | |
| 966 | /* slurp in this section's info */ |
| 967 | while (read_one_header_line(line, mi->input)) |
| 968 | check_header(mi, line, mi->p_hdr_data, 0); |
| 969 | |
| 970 | strbuf_release(&newline); |
| 971 | /* replenish line */ |
| 972 | if (strbuf_getline_lf(line, mi->input)) |
| 973 | return 0; |
| 974 | strbuf_addch(line, '\n'); |
| 975 | return 1; |
| 976 | } |
| 977 | |
| 978 | static void handle_filter_flowed(struct mailinfo *mi, struct strbuf *line, |
| 979 | struct strbuf *prev) |
| 980 | { |
| 981 | size_t len = line->len; |
| 982 | const char *rest; |
| 983 | |
| 984 | if (!mi->format_flowed) { |
| 985 | handle_filter(mi, line); |
| 986 | return; |
| 987 | } |
| 988 | |
| 989 | if (line->buf[len - 1] == '\n') { |
| 990 | len--; |
| 991 | if (len && line->buf[len - 1] == '\r') |
| 992 | len--; |
| 993 | } |
| 994 | |
| 995 | /* Keep signature separator as-is. */ |
| 996 | if (skip_prefix(line->buf, "-- ", &rest) && rest - line->buf == len) { |
| 997 | if (prev->len) { |
| 998 | handle_filter(mi, prev); |
| 999 | strbuf_reset(prev); |
| 1000 | } |
| 1001 | handle_filter(mi, line); |
| 1002 | return; |
| 1003 | } |
| 1004 | |
| 1005 | /* Unstuff space-stuffed line. */ |
| 1006 | if (len && line->buf[0] == ' ') { |
| 1007 | strbuf_remove(line, 0, 1); |
| 1008 | len--; |
| 1009 | } |
| 1010 | |
| 1011 | /* Save flowed line for later, but without the soft line break. */ |
| 1012 | if (len && line->buf[len - 1] == ' ') { |
| 1013 | strbuf_add(prev, line->buf, len - !!mi->delsp); |
| 1014 | return; |
| 1015 | } |
| 1016 | |
| 1017 | /* Prepend any previous partial lines */ |
| 1018 | strbuf_insert(line, 0, prev->buf, prev->len); |
| 1019 | strbuf_reset(prev); |
| 1020 | |
| 1021 | handle_filter(mi, line); |
| 1022 | } |
| 1023 | |
| 1024 | static void handle_body(struct mailinfo *mi, struct strbuf *line) |
| 1025 | { |
| 1026 | struct strbuf prev = STRBUF_INIT; |
| 1027 | |
| 1028 | /* Skip up to the first boundary */ |
| 1029 | if (*(mi->content_top)) { |
| 1030 | if (!find_boundary(mi, line)) |
| 1031 | goto handle_body_out; |
| 1032 | } |
| 1033 | |
| 1034 | do { |
| 1035 | /* process any boundary lines */ |
| 1036 | if (*(mi->content_top) && is_multipart_boundary(mi, line)) { |
| 1037 | /* flush any leftover */ |
| 1038 | if (prev.len) { |
| 1039 | handle_filter(mi, &prev); |
| 1040 | strbuf_reset(&prev); |
| 1041 | } |
| 1042 | if (!handle_boundary(mi, line)) |
| 1043 | goto handle_body_out; |
| 1044 | } |
| 1045 | |
| 1046 | /* Unwrap transfer encoding */ |
| 1047 | decode_transfer_encoding(mi, line); |
| 1048 | |
| 1049 | switch (mi->transfer_encoding) { |
| 1050 | case TE_BASE64: |
| 1051 | case TE_QP: |
| 1052 | { |
| 1053 | struct strbuf **lines, **it, *sb; |
| 1054 | |
| 1055 | /* Prepend any previous partial lines */ |
| 1056 | strbuf_insert(line, 0, prev.buf, prev.len); |
| 1057 | strbuf_reset(&prev); |
| 1058 | |
| 1059 | /* |
| 1060 | * This is a decoded line that may contain |
| 1061 | * multiple new lines. Pass only one chunk |
| 1062 | * at a time to handle_filter() |
| 1063 | */ |
| 1064 | lines = strbuf_split(line, '\n'); |
| 1065 | for (it = lines; (sb = *it); it++) { |
| 1066 | if (*(it + 1) == NULL) /* The last line */ |
| 1067 | if (sb->buf[sb->len - 1] != '\n') { |
| 1068 | /* Partial line, save it for later. */ |
| 1069 | strbuf_addbuf(&prev, sb); |
| 1070 | break; |
| 1071 | } |
| 1072 | handle_filter_flowed(mi, sb, &prev); |
| 1073 | } |
| 1074 | /* |
| 1075 | * The partial chunk is saved in "prev" and will be |
| 1076 | * appended by the next iteration of read_line_with_nul(). |
| 1077 | */ |
| 1078 | strbuf_list_free(lines); |
| 1079 | break; |
| 1080 | } |
| 1081 | default: |
| 1082 | handle_filter_flowed(mi, line, &prev); |
| 1083 | } |
| 1084 | |
| 1085 | if (mi->input_error) |
| 1086 | break; |
| 1087 | } while (!strbuf_getwholeline(line, mi->input, '\n')); |
| 1088 | |
| 1089 | if (prev.len) |
| 1090 | handle_filter(mi, &prev); |
| 1091 | |
| 1092 | flush_inbody_header_accum(mi); |
| 1093 | |
| 1094 | handle_body_out: |
| 1095 | strbuf_release(&prev); |
| 1096 | } |
| 1097 | |
| 1098 | static void output_header_lines(FILE *fout, const char *hdr, const struct strbuf *data) |
| 1099 | { |
| 1100 | const char *sp = data->buf; |
| 1101 | while (1) { |
| 1102 | char *ep = strchr(sp, '\n'); |
| 1103 | int len; |
| 1104 | if (!ep) |
| 1105 | len = strlen(sp); |
| 1106 | else |
| 1107 | len = ep - sp; |
| 1108 | fprintf(fout, "%s: %.*s\n", hdr, len, sp); |
| 1109 | if (!ep) |
| 1110 | break; |
| 1111 | sp = ep + 1; |
| 1112 | } |
| 1113 | } |
| 1114 | |
| 1115 | static void handle_info(struct mailinfo *mi) |
| 1116 | { |
| 1117 | struct strbuf *hdr; |
| 1118 | int i; |
| 1119 | |
| 1120 | for (i = 0; header[i]; i++) { |
| 1121 | /* only print inbody headers if we output a patch file */ |
| 1122 | if (mi->patch_lines && mi->s_hdr_data[i]) |
| 1123 | hdr = mi->s_hdr_data[i]; |
| 1124 | else if (mi->p_hdr_data[i]) |
| 1125 | hdr = mi->p_hdr_data[i]; |
| 1126 | else |
| 1127 | continue; |
| 1128 | |
| 1129 | if (!strcmp(header[i], "Subject")) { |
| 1130 | if (!mi->keep_subject) { |
| 1131 | cleanup_subject(mi, hdr); |
| 1132 | cleanup_space(hdr); |
| 1133 | } |
| 1134 | output_header_lines(mi->output, "Subject", hdr); |
| 1135 | } else if (!strcmp(header[i], "From")) { |
| 1136 | cleanup_space(hdr); |
| 1137 | handle_from(mi, hdr); |
| 1138 | fprintf(mi->output, "Author: %s\n", mi->name.buf); |
| 1139 | fprintf(mi->output, "Email: %s\n", mi->email.buf); |
| 1140 | } else { |
| 1141 | cleanup_space(hdr); |
| 1142 | fprintf(mi->output, "%s: %s\n", header[i], hdr->buf); |
| 1143 | } |
| 1144 | } |
| 1145 | fprintf(mi->output, "\n"); |
| 1146 | } |
| 1147 | |
| 1148 | int mailinfo(struct mailinfo *mi, const char *msg, const char *patch) |
| 1149 | { |
| 1150 | FILE *cmitmsg; |
| 1151 | int peek; |
| 1152 | struct strbuf line = STRBUF_INIT; |
| 1153 | |
| 1154 | cmitmsg = fopen(msg, "w"); |
| 1155 | if (!cmitmsg) { |
| 1156 | perror(msg); |
| 1157 | return -1; |
| 1158 | } |
| 1159 | mi->patchfile = fopen(patch, "w"); |
| 1160 | if (!mi->patchfile) { |
| 1161 | perror(patch); |
| 1162 | fclose(cmitmsg); |
| 1163 | return -1; |
| 1164 | } |
| 1165 | |
| 1166 | mi->p_hdr_data = xcalloc(MAX_HDR_PARSED, sizeof(*(mi->p_hdr_data))); |
| 1167 | mi->s_hdr_data = xcalloc(MAX_HDR_PARSED, sizeof(*(mi->s_hdr_data))); |
| 1168 | |
| 1169 | do { |
| 1170 | peek = fgetc(mi->input); |
| 1171 | if (peek == EOF) { |
| 1172 | fclose(cmitmsg); |
| 1173 | return error("empty patch: '%s'", patch); |
| 1174 | } |
| 1175 | } while (isspace(peek)); |
| 1176 | ungetc(peek, mi->input); |
| 1177 | |
| 1178 | /* process the email header */ |
| 1179 | while (read_one_header_line(&line, mi->input)) |
| 1180 | check_header(mi, &line, mi->p_hdr_data, 1); |
| 1181 | |
| 1182 | handle_body(mi, &line); |
| 1183 | fwrite(mi->log_message.buf, 1, mi->log_message.len, cmitmsg); |
| 1184 | fclose(cmitmsg); |
| 1185 | fclose(mi->patchfile); |
| 1186 | |
| 1187 | handle_info(mi); |
| 1188 | strbuf_release(&line); |
| 1189 | return mi->input_error; |
| 1190 | } |
| 1191 | |
| 1192 | static int git_mailinfo_config(const char *var, const char *value, void *mi_) |
| 1193 | { |
| 1194 | struct mailinfo *mi = mi_; |
| 1195 | |
| 1196 | if (!starts_with(var, "mailinfo.")) |
| 1197 | return git_default_config(var, value, NULL); |
| 1198 | if (!strcmp(var, "mailinfo.scissors")) { |
| 1199 | mi->use_scissors = git_config_bool(var, value); |
| 1200 | return 0; |
| 1201 | } |
| 1202 | /* perhaps others here */ |
| 1203 | return 0; |
| 1204 | } |
| 1205 | |
| 1206 | void setup_mailinfo(struct mailinfo *mi) |
| 1207 | { |
| 1208 | memset(mi, 0, sizeof(*mi)); |
| 1209 | strbuf_init(&mi->name, 0); |
| 1210 | strbuf_init(&mi->email, 0); |
| 1211 | strbuf_init(&mi->charset, 0); |
| 1212 | strbuf_init(&mi->log_message, 0); |
| 1213 | strbuf_init(&mi->inbody_header_accum, 0); |
| 1214 | mi->header_stage = 1; |
| 1215 | mi->use_inbody_headers = 1; |
| 1216 | mi->content_top = mi->content; |
| 1217 | repo_config(the_repository, git_mailinfo_config, mi); |
| 1218 | } |
| 1219 | |
| 1220 | void clear_mailinfo(struct mailinfo *mi) |
| 1221 | { |
| 1222 | int i; |
| 1223 | |
| 1224 | strbuf_release(&mi->name); |
| 1225 | strbuf_release(&mi->email); |
| 1226 | strbuf_release(&mi->charset); |
| 1227 | strbuf_release(&mi->inbody_header_accum); |
| 1228 | free(mi->message_id); |
| 1229 | |
| 1230 | if (mi->p_hdr_data) |
| 1231 | for (i = 0; mi->p_hdr_data[i]; i++) |
| 1232 | strbuf_release(mi->p_hdr_data[i]); |
| 1233 | free(mi->p_hdr_data); |
| 1234 | if (mi->s_hdr_data) |
| 1235 | for (i = 0; mi->s_hdr_data[i]; i++) |
| 1236 | strbuf_release(mi->s_hdr_data[i]); |
| 1237 | free(mi->s_hdr_data); |
| 1238 | |
| 1239 | while (mi->content < mi->content_top) { |
| 1240 | free(*(mi->content_top)); |
| 1241 | mi->content_top--; |
| 1242 | } |
| 1243 | |
| 1244 | strbuf_release(&mi->log_message); |
| 1245 | } |