]>
Commit | Line | Data |
---|---|---|
2744b234 LT |
1 | /* |
2 | * Another stupid program, this one parsing the headers of an | |
3 | * email to figure out authorship and subject | |
4 | */ | |
f1f909e3 | 5 | #include "cache.h" |
34488e3c | 6 | #include "builtin.h" |
b45974a6 | 7 | #include "utf8.h" |
3b6121f6 | 8 | #include "strbuf.h" |
2744b234 | 9 | |
34488e3c | 10 | static FILE *cmitmsg, *patchfile, *fin, *fout; |
2744b234 | 11 | |
96f1e58f | 12 | static int keep_subject; |
17635fc9 | 13 | static int keep_non_patch_brackets_in_subject; |
96f1e58f | 14 | static const char *metainfo_charset; |
3b6121f6 LS |
15 | static struct strbuf line = STRBUF_INIT; |
16 | static struct strbuf name = STRBUF_INIT; | |
17 | static struct strbuf email = STRBUF_INIT; | |
452dfbed | 18 | static char *message_id; |
2744b234 | 19 | |
d4a9ce78 | 20 | static enum { |
4b05548f | 21 | TE_DONTCARE, TE_QP, TE_BASE64 |
d4a9ce78 | 22 | } transfer_encoding; |
d4a9ce78 | 23 | |
3b6121f6 | 24 | static struct strbuf charset = STRBUF_INIT; |
96f1e58f | 25 | static int patch_lines; |
3b6121f6 | 26 | static struct strbuf **p_hdr_data, **s_hdr_data; |
017678b4 | 27 | static int use_scissors; |
452dfbed | 28 | static int add_message_id; |
d25e5159 | 29 | static int use_inbody_headers = 1; |
87ab7992 DZ |
30 | |
31 | #define MAX_HDR_PARSED 10 | |
32 | #define MAX_BOUNDARIES 5 | |
d4a9ce78 | 33 | |
08e6710f KS |
34 | static void cleanup_space(struct strbuf *sb); |
35 | ||
36 | ||
3b6121f6 | 37 | static void get_sane_name(struct strbuf *out, struct strbuf *name, struct strbuf *email) |
2744b234 | 38 | { |
3b6121f6 LS |
39 | struct strbuf *src = name; |
40 | if (name->len < 3 || 60 < name->len || strchr(name->buf, '@') || | |
41 | strchr(name->buf, '<') || strchr(name->buf, '>')) | |
42 | src = email; | |
43 | else if (name == out) | |
44 | return; | |
45 | strbuf_reset(out); | |
46 | strbuf_addbuf(out, src); | |
2744b234 LT |
47 | } |
48 | ||
3b6121f6 | 49 | static void parse_bogus_from(const struct strbuf *line) |
e0e3ba20 JH |
50 | { |
51 | /* John Doe <johndoe> */ | |
e0e3ba20 | 52 | |
3b6121f6 | 53 | char *bra, *ket; |
e0e3ba20 JH |
54 | /* This is fallback, so do not bother if we already have an |
55 | * e-mail address. | |
34488e3c | 56 | */ |
3b6121f6 LS |
57 | if (email.len) |
58 | return; | |
e0e3ba20 | 59 | |
3b6121f6 | 60 | bra = strchr(line->buf, '<'); |
e0e3ba20 | 61 | if (!bra) |
3b6121f6 | 62 | return; |
e0e3ba20 JH |
63 | ket = strchr(bra, '>'); |
64 | if (!ket) | |
3b6121f6 | 65 | return; |
e0e3ba20 | 66 | |
3b6121f6 LS |
67 | strbuf_reset(&email); |
68 | strbuf_add(&email, bra + 1, ket - bra - 1); | |
69 | ||
70 | strbuf_reset(&name); | |
71 | strbuf_add(&name, line->buf, bra - line->buf); | |
72 | strbuf_trim(&name); | |
73 | get_sane_name(&name, &name, &email); | |
e0e3ba20 JH |
74 | } |
75 | ||
3b6121f6 | 76 | static void handle_from(const struct strbuf *from) |
2744b234 | 77 | { |
2dec02b1 | 78 | char *at; |
3b6121f6 LS |
79 | size_t el; |
80 | struct strbuf f; | |
2744b234 | 81 | |
3b6121f6 LS |
82 | strbuf_init(&f, from->len); |
83 | strbuf_addbuf(&f, from); | |
84 | ||
85 | at = strchr(f.buf, '@'); | |
86 | if (!at) { | |
87 | parse_bogus_from(from); | |
88 | return; | |
89 | } | |
2744b234 LT |
90 | |
91 | /* | |
92 | * If we already have one email, don't take any confusing lines | |
93 | */ | |
3b6121f6 LS |
94 | if (email.len && strchr(at + 1, '@')) { |
95 | strbuf_release(&f); | |
96 | return; | |
97 | } | |
2744b234 | 98 | |
d4a9ce78 | 99 | /* Pick up the string around '@', possibly delimited with <> |
3b6121f6 | 100 | * pair; that is the email part. |
d4a9ce78 | 101 | */ |
3b6121f6 | 102 | while (at > f.buf) { |
2744b234 | 103 | char c = at[-1]; |
d4a9ce78 JH |
104 | if (isspace(c)) |
105 | break; | |
106 | if (c == '<') { | |
107 | at[-1] = ' '; | |
2744b234 | 108 | break; |
d4a9ce78 | 109 | } |
2744b234 LT |
110 | at--; |
111 | } | |
3b6121f6 LS |
112 | el = strcspn(at, " \n\t\r\v\f>"); |
113 | strbuf_reset(&email); | |
114 | strbuf_add(&email, at, el); | |
e9d7d10a | 115 | strbuf_remove(&f, at - f.buf, el + (at[el] ? 1 : 0)); |
2744b234 | 116 | |
08e6710f KS |
117 | /* The remainder is name. It could be |
118 | * | |
119 | * - "John Doe <john.doe@xz>" (a), or | |
120 | * - "john.doe@xz (John Doe)" (b), or | |
121 | * - "John (zzz) Doe <john.doe@xz> (Comment)" (c) | |
122 | * | |
123 | * but we have removed the email part, so | |
124 | * | |
125 | * - remove extra spaces which could stay after email (case 'c'), and | |
126 | * - trim from both ends, possibly removing the () pair at the end | |
127 | * (cases 'a' and 'b'). | |
d4a9ce78 | 128 | */ |
08e6710f | 129 | cleanup_space(&f); |
3b6121f6 | 130 | strbuf_trim(&f); |
0d4ede9f PB |
131 | if (f.buf[0] == '(' && f.len && f.buf[f.len - 1] == ')') { |
132 | strbuf_remove(&f, 0, 1); | |
3b6121f6 | 133 | strbuf_setlen(&f, f.len - 1); |
0d4ede9f | 134 | } |
2744b234 | 135 | |
3b6121f6 LS |
136 | get_sane_name(&name, &f, &email); |
137 | strbuf_release(&f); | |
2744b234 LT |
138 | } |
139 | ||
3b6121f6 | 140 | static void handle_header(struct strbuf **out, const struct strbuf *line) |
62c1f6b4 | 141 | { |
3b6121f6 LS |
142 | if (!*out) { |
143 | *out = xmalloc(sizeof(struct strbuf)); | |
144 | strbuf_init(*out, line->len); | |
145 | } else | |
146 | strbuf_reset(*out); | |
87ab7992 | 147 | |
3b6121f6 | 148 | strbuf_addbuf(*out, line); |
d4a9ce78 JH |
149 | } |
150 | ||
151 | /* NOTE NOTE NOTE. We do not claim we do full MIME. We just attempt | |
152 | * to have enough heuristics to grok MIME encoded patches often found | |
153 | * on our mailing lists. For example, we do not even treat header lines | |
154 | * case insensitively. | |
155 | */ | |
156 | ||
3b6121f6 | 157 | static int slurp_attr(const char *line, const char *name, struct strbuf *attr) |
d4a9ce78 | 158 | { |
554fe20d | 159 | const char *ends, *ap = strcasestr(line, name); |
d4a9ce78 JH |
160 | size_t sz; |
161 | ||
176943b9 JH |
162 | strbuf_setlen(attr, 0); |
163 | if (!ap) | |
d4a9ce78 | 164 | return 0; |
d4a9ce78 JH |
165 | ap += strlen(name); |
166 | if (*ap == '"') { | |
167 | ap++; | |
168 | ends = "\""; | |
169 | } | |
170 | else | |
171 | ends = "; \t"; | |
172 | sz = strcspn(ap, ends); | |
3b6121f6 | 173 | strbuf_add(attr, ap, sz); |
d4a9ce78 JH |
174 | return 1; |
175 | } | |
176 | ||
3b6121f6 | 177 | static struct strbuf *content[MAX_BOUNDARIES]; |
87ab7992 | 178 | |
3b6121f6 | 179 | static struct strbuf **content_top = content; |
87ab7992 | 180 | |
3b6121f6 | 181 | static void handle_content_type(struct strbuf *line) |
d4a9ce78 | 182 | { |
3b6121f6 LS |
183 | struct strbuf *boundary = xmalloc(sizeof(struct strbuf)); |
184 | strbuf_init(boundary, line->len); | |
87ab7992 | 185 | |
3b6121f6 LS |
186 | if (slurp_attr(line->buf, "boundary=", boundary)) { |
187 | strbuf_insert(boundary, 0, "--", 2); | |
289796dd | 188 | if (++content_top > &content[MAX_BOUNDARIES]) { |
87ab7992 DZ |
189 | fprintf(stderr, "Too many boundaries to handle\n"); |
190 | exit(1); | |
191 | } | |
3b6121f6 LS |
192 | *content_top = boundary; |
193 | boundary = NULL; | |
b893f091 | 194 | } |
ed1e3985 | 195 | slurp_attr(line->buf, "charset=", &charset); |
3b6121f6 LS |
196 | |
197 | if (boundary) { | |
198 | strbuf_release(boundary); | |
199 | free(boundary); | |
d4a9ce78 | 200 | } |
d4a9ce78 JH |
201 | } |
202 | ||
452dfbed PB |
203 | static void handle_message_id(const struct strbuf *line) |
204 | { | |
205 | if (add_message_id) | |
206 | message_id = strdup(line->buf); | |
207 | } | |
208 | ||
3b6121f6 | 209 | static void handle_content_transfer_encoding(const struct strbuf *line) |
d4a9ce78 | 210 | { |
3b6121f6 | 211 | if (strcasestr(line->buf, "base64")) |
d4a9ce78 | 212 | transfer_encoding = TE_BASE64; |
3b6121f6 | 213 | else if (strcasestr(line->buf, "quoted-printable")) |
d4a9ce78 JH |
214 | transfer_encoding = TE_QP; |
215 | else | |
216 | transfer_encoding = TE_DONTCARE; | |
2744b234 LT |
217 | } |
218 | ||
3b6121f6 | 219 | static int is_multipart_boundary(const struct strbuf *line) |
d4a9ce78 | 220 | { |
a9fd1383 JH |
221 | return (((*content_top)->len <= line->len) && |
222 | !memcmp(line->buf, (*content_top)->buf, (*content_top)->len)); | |
d4a9ce78 JH |
223 | } |
224 | ||
3b6121f6 | 225 | static void cleanup_subject(struct strbuf *subject) |
2744b234 | 226 | { |
17635fc9 JH |
227 | size_t at = 0; |
228 | ||
229 | while (at < subject->len) { | |
230 | char *pos; | |
231 | size_t remove; | |
232 | ||
233 | switch (subject->buf[at]) { | |
2744b234 | 234 | case 'r': case 'R': |
17635fc9 | 235 | if (subject->len <= at + 3) |
3b6121f6 | 236 | break; |
d5b4d80d JH |
237 | if ((subject->buf[at + 1] == 'e' || |
238 | subject->buf[at + 1] == 'E') && | |
239 | subject->buf[at + 2] == ':') { | |
17635fc9 | 240 | strbuf_remove(subject, at, 3); |
2744b234 LT |
241 | continue; |
242 | } | |
17635fc9 | 243 | at++; |
2744b234 LT |
244 | break; |
245 | case ' ': case '\t': case ':': | |
17635fc9 | 246 | strbuf_remove(subject, at, 1); |
2744b234 | 247 | continue; |
2744b234 | 248 | case '[': |
17635fc9 JH |
249 | pos = strchr(subject->buf + at, ']'); |
250 | if (!pos) | |
251 | break; | |
252 | remove = pos - subject->buf + at + 1; | |
253 | if (!keep_non_patch_brackets_in_subject || | |
254 | (7 <= remove && | |
255 | memmem(subject->buf + at, remove, "PATCH", 5))) | |
256 | strbuf_remove(subject, at, remove); | |
ee2d1cb4 | 257 | else { |
17635fc9 | 258 | at += remove; |
ee2d1cb4 TR |
259 | /* |
260 | * If the input had a space after the ], keep | |
261 | * it. We don't bother with finding the end of | |
262 | * the space, since we later normalize it | |
263 | * anyway. | |
264 | */ | |
265 | if (isspace(subject->buf[at])) | |
266 | at += 1; | |
267 | } | |
17635fc9 | 268 | continue; |
2744b234 | 269 | } |
17635fc9 | 270 | break; |
2744b234 | 271 | } |
17635fc9 | 272 | strbuf_trim(subject); |
34488e3c | 273 | } |
2744b234 | 274 | |
3b6121f6 | 275 | static void cleanup_space(struct strbuf *sb) |
2744b234 | 276 | { |
3b6121f6 LS |
277 | size_t pos, cnt; |
278 | for (pos = 0; pos < sb->len; pos++) { | |
279 | if (isspace(sb->buf[pos])) { | |
280 | sb->buf[pos] = ' '; | |
281 | for (cnt = 0; isspace(sb->buf[pos + cnt + 1]); cnt++); | |
282 | strbuf_remove(sb, pos + 1, cnt); | |
2744b234 LT |
283 | } |
284 | } | |
285 | } | |
286 | ||
3b6121f6 | 287 | static void decode_header(struct strbuf *line); |
538dfe73 | 288 | static const char *header[MAX_HDR_PARSED] = { |
87ab7992 | 289 | "From","Subject","Date", |
d4a9ce78 JH |
290 | }; |
291 | ||
3b6121f6 | 292 | static inline int cmp_header(const struct strbuf *line, const char *hdr) |
d4a9ce78 | 293 | { |
3b6121f6 LS |
294 | int len = strlen(hdr); |
295 | return !strncasecmp(line->buf, hdr, len) && line->len > len && | |
296 | line->buf[len] == ':' && isspace(line->buf[len + 1]); | |
297 | } | |
d4a9ce78 | 298 | |
2da1f366 JK |
299 | static int is_format_patch_separator(const char *line, int len) |
300 | { | |
85de86a1 ES |
301 | static const char SAMPLE[] = |
302 | "From e6807f3efca28b30decfecb1732a56c7db1137ee Mon Sep 17 00:00:00 2001\n"; | |
2da1f366 JK |
303 | const char *cp; |
304 | ||
305 | if (len != strlen(SAMPLE)) | |
306 | return 0; | |
307 | if (!skip_prefix(line, "From ", &cp)) | |
308 | return 0; | |
309 | if (strspn(cp, "0123456789abcdef") != 40) | |
310 | return 0; | |
311 | cp += 40; | |
312 | return !memcmp(SAMPLE + (cp - line), cp, strlen(SAMPLE) - (cp - line)); | |
313 | } | |
314 | ||
3b6121f6 LS |
315 | static int check_header(const struct strbuf *line, |
316 | struct strbuf *hdr_data[], int overwrite) | |
317 | { | |
318 | int i, ret = 0, len; | |
319 | struct strbuf sb = STRBUF_INIT; | |
87ab7992 DZ |
320 | /* search for the interesting parts */ |
321 | for (i = 0; header[i]; i++) { | |
322 | int len = strlen(header[i]); | |
3b6121f6 | 323 | if ((!hdr_data[i] || overwrite) && cmp_header(line, header[i])) { |
33504530 EB |
324 | /* Unwrap inline B and Q encoding, and optionally |
325 | * normalize the meta information to utf8. | |
326 | */ | |
3b6121f6 LS |
327 | strbuf_add(&sb, line->buf + len + 2, line->len - len - 2); |
328 | decode_header(&sb); | |
329 | handle_header(&hdr_data[i], &sb); | |
330 | ret = 1; | |
331 | goto check_header_out; | |
d4a9ce78 JH |
332 | } |
333 | } | |
d4a9ce78 | 334 | |
87ab7992 | 335 | /* Content stuff */ |
3b6121f6 LS |
336 | if (cmp_header(line, "Content-Type")) { |
337 | len = strlen("Content-Type: "); | |
338 | strbuf_add(&sb, line->buf + len, line->len - len); | |
339 | decode_header(&sb); | |
340 | strbuf_insert(&sb, 0, "Content-Type: ", len); | |
341 | handle_content_type(&sb); | |
342 | ret = 1; | |
343 | goto check_header_out; | |
344 | } | |
345 | if (cmp_header(line, "Content-Transfer-Encoding")) { | |
346 | len = strlen("Content-Transfer-Encoding: "); | |
347 | strbuf_add(&sb, line->buf + len, line->len - len); | |
348 | decode_header(&sb); | |
349 | handle_content_transfer_encoding(&sb); | |
350 | ret = 1; | |
351 | goto check_header_out; | |
87ab7992 | 352 | } |
452dfbed PB |
353 | if (cmp_header(line, "Message-Id")) { |
354 | len = strlen("Message-Id: "); | |
355 | strbuf_add(&sb, line->buf + len, line->len - len); | |
356 | decode_header(&sb); | |
357 | handle_message_id(&sb); | |
358 | ret = 1; | |
359 | goto check_header_out; | |
360 | } | |
87ab7992 DZ |
361 | |
362 | /* for inbody stuff */ | |
59556548 | 363 | if (starts_with(line->buf, ">From") && isspace(line->buf[5])) { |
2da1f366 | 364 | ret = is_format_patch_separator(line->buf + 1, line->len - 1); |
3b6121f6 LS |
365 | goto check_header_out; |
366 | } | |
59556548 | 367 | if (starts_with(line->buf, "[PATCH]") && isspace(line->buf[7])) { |
87ab7992 | 368 | for (i = 0; header[i]; i++) { |
b1a013dd | 369 | if (!strcmp("Subject", header[i])) { |
3b6121f6 LS |
370 | handle_header(&hdr_data[i], line); |
371 | ret = 1; | |
372 | goto check_header_out; | |
87ab7992 DZ |
373 | } |
374 | } | |
375 | } | |
376 | ||
3b6121f6 LS |
377 | check_header_out: |
378 | strbuf_release(&sb); | |
379 | return ret; | |
d4a9ce78 JH |
380 | } |
381 | ||
3b6121f6 | 382 | static int is_rfc2822_header(const struct strbuf *line) |
ef29c117 JH |
383 | { |
384 | /* | |
385 | * The section that defines the loosest possible | |
386 | * field name is "3.6.8 Optional fields". | |
387 | * | |
388 | * optional-field = field-name ":" unstructured CRLF | |
389 | * field-name = 1*ftext | |
390 | * ftext = %d33-57 / %59-126 | |
391 | */ | |
392 | int ch; | |
3b6121f6 | 393 | char *cp = line->buf; |
34fc5cef LT |
394 | |
395 | /* Count mbox From headers as headers */ | |
59556548 | 396 | if (starts_with(cp, "From ") || starts_with(cp, ">From ")) |
34fc5cef LT |
397 | return 1; |
398 | ||
ef29c117 JH |
399 | while ((ch = *cp++)) { |
400 | if (ch == ':') | |
3b6121f6 | 401 | return 1; |
ef29c117 JH |
402 | if ((33 <= ch && ch <= 57) || |
403 | (59 <= ch && ch <= 126)) | |
404 | continue; | |
405 | break; | |
406 | } | |
407 | return 0; | |
408 | } | |
409 | ||
3b6121f6 | 410 | static int read_one_header_line(struct strbuf *line, FILE *in) |
d4a9ce78 | 411 | { |
34fc5cef | 412 | /* Get the first part of the line. */ |
3b6121f6 | 413 | if (strbuf_getline(line, in, '\n')) |
34fc5cef LT |
414 | return 0; |
415 | ||
416 | /* | |
417 | * Is it an empty line or not a valid rfc2822 header? | |
418 | * If so, stop here, and return false ("not a header") | |
419 | */ | |
3b6121f6 LS |
420 | strbuf_rtrim(line); |
421 | if (!line->len || !is_rfc2822_header(line)) { | |
34fc5cef | 422 | /* Re-add the newline */ |
3b6121f6 | 423 | strbuf_addch(line, '\n'); |
34fc5cef LT |
424 | return 0; |
425 | } | |
426 | ||
427 | /* | |
428 | * Now we need to eat all the continuation lines.. | |
429 | * Yuck, 2822 header "folding" | |
430 | */ | |
431 | for (;;) { | |
3b6121f6 LS |
432 | int peek; |
433 | struct strbuf continuation = STRBUF_INIT; | |
34fc5cef | 434 | |
f30b2028 EB |
435 | peek = fgetc(in); ungetc(peek, in); |
436 | if (peek != ' ' && peek != '\t') | |
437 | break; | |
3b6121f6 | 438 | if (strbuf_getline(&continuation, in, '\n')) |
34fc5cef | 439 | break; |
5b38456e | 440 | continuation.buf[0] = ' '; |
3b6121f6 LS |
441 | strbuf_rtrim(&continuation); |
442 | strbuf_addbuf(line, &continuation); | |
d4a9ce78 | 443 | } |
34fc5cef LT |
444 | |
445 | return 1; | |
d4a9ce78 JH |
446 | } |
447 | ||
3b6121f6 | 448 | static struct strbuf *decode_q_segment(const struct strbuf *q_seg, int rfc2047) |
d4a9ce78 | 449 | { |
3b6121f6 | 450 | const char *in = q_seg->buf; |
d4a9ce78 | 451 | int c; |
3b6121f6 LS |
452 | struct strbuf *out = xmalloc(sizeof(struct strbuf)); |
453 | strbuf_init(out, q_seg->len); | |
454 | ||
455 | while ((c = *in++) != 0) { | |
d4a9ce78 JH |
456 | if (c == '=') { |
457 | int d = *in++; | |
458 | if (d == '\n' || !d) | |
459 | break; /* drop trailing newline */ | |
3b6121f6 | 460 | strbuf_addch(out, (hexval(d) << 4) | hexval(*in++)); |
75731930 | 461 | continue; |
d4a9ce78 | 462 | } |
75731930 JH |
463 | if (rfc2047 && c == '_') /* rfc2047 4.2 (2) */ |
464 | c = 0x20; | |
3b6121f6 | 465 | strbuf_addch(out, c); |
d4a9ce78 | 466 | } |
3b6121f6 | 467 | return out; |
d4a9ce78 JH |
468 | } |
469 | ||
3b6121f6 | 470 | static struct strbuf *decode_b_segment(const struct strbuf *b_seg) |
d4a9ce78 JH |
471 | { |
472 | /* Decode in..ep, possibly in-place to ot */ | |
473 | int c, pos = 0, acc = 0; | |
3b6121f6 LS |
474 | const char *in = b_seg->buf; |
475 | struct strbuf *out = xmalloc(sizeof(struct strbuf)); | |
476 | strbuf_init(out, b_seg->len); | |
d4a9ce78 | 477 | |
3b6121f6 | 478 | while ((c = *in++) != 0) { |
d4a9ce78 JH |
479 | if (c == '+') |
480 | c = 62; | |
481 | else if (c == '/') | |
482 | c = 63; | |
483 | else if ('A' <= c && c <= 'Z') | |
484 | c -= 'A'; | |
485 | else if ('a' <= c && c <= 'z') | |
486 | c -= 'a' - 26; | |
487 | else if ('0' <= c && c <= '9') | |
488 | c -= '0' - 52; | |
d4a9ce78 JH |
489 | else |
490 | continue; /* garbage */ | |
491 | switch (pos++) { | |
492 | case 0: | |
493 | acc = (c << 2); | |
494 | break; | |
495 | case 1: | |
3b6121f6 | 496 | strbuf_addch(out, (acc | (c >> 4))); |
d4a9ce78 JH |
497 | acc = (c & 15) << 4; |
498 | break; | |
499 | case 2: | |
3b6121f6 | 500 | strbuf_addch(out, (acc | (c >> 2))); |
d4a9ce78 JH |
501 | acc = (c & 3) << 6; |
502 | break; | |
503 | case 3: | |
3b6121f6 | 504 | strbuf_addch(out, (acc | c)); |
d4a9ce78 JH |
505 | acc = pos = 0; |
506 | break; | |
507 | } | |
508 | } | |
3b6121f6 | 509 | return out; |
d4a9ce78 JH |
510 | } |
511 | ||
3b6121f6 | 512 | static void convert_to_utf8(struct strbuf *line, const char *charset) |
d4a9ce78 | 513 | { |
b59d398b LT |
514 | char *out; |
515 | ||
08a94a14 LT |
516 | if (!charset || !*charset) |
517 | return; | |
b45974a6 | 518 | |
0e18bcd5 | 519 | if (same_encoding(metainfo_charset, charset)) |
7296096c | 520 | return; |
3b6121f6 | 521 | out = reencode_string(line->buf, metainfo_charset, charset); |
bb1091a4 | 522 | if (!out) |
d7530708 | 523 | die("cannot convert from %s to %s", |
b59d398b | 524 | charset, metainfo_charset); |
3b6121f6 | 525 | strbuf_attach(line, out, strlen(out), strlen(out)); |
d4a9ce78 JH |
526 | } |
527 | ||
3b6121f6 | 528 | static int decode_header_bq(struct strbuf *it) |
d4a9ce78 | 529 | { |
3b6121f6 LS |
530 | char *in, *ep, *cp; |
531 | struct strbuf outbuf = STRBUF_INIT, *dec; | |
532 | struct strbuf charset_q = STRBUF_INIT, piecebuf = STRBUF_INIT; | |
b75bf2c3 | 533 | int rfc2047 = 0; |
d4a9ce78 | 534 | |
3b6121f6 LS |
535 | in = it->buf; |
536 | while (in - it->buf <= it->len && (ep = strstr(in, "=?")) != NULL) { | |
537 | int encoding; | |
538 | strbuf_reset(&charset_q); | |
539 | strbuf_reset(&piecebuf); | |
b75bf2c3 JH |
540 | rfc2047 = 1; |
541 | ||
d4a9ce78 | 542 | if (in != ep) { |
353aaf2f KS |
543 | /* |
544 | * We are about to process an encoded-word | |
545 | * that begins at ep, but there is something | |
546 | * before the encoded word. | |
547 | */ | |
548 | char *scan; | |
549 | for (scan = in; scan < ep; scan++) | |
550 | if (!isspace(*scan)) | |
551 | break; | |
552 | ||
553 | if (scan != ep || in == it->buf) { | |
554 | /* | |
555 | * We should not lose that "something", | |
556 | * unless we have just processed an | |
557 | * encoded-word, and there is only LWS | |
558 | * before the one we are about to process. | |
559 | */ | |
560 | strbuf_add(&outbuf, in, ep - in); | |
561 | } | |
d4a9ce78 JH |
562 | } |
563 | /* E.g. | |
564 | * ep : "=?iso-2022-jp?B?GyR...?= foo" | |
565 | * ep : "=?ISO-8859-1?Q?Foo=FCbar?= baz" | |
566 | */ | |
567 | ep += 2; | |
3b6121f6 LS |
568 | |
569 | if (ep - it->buf >= it->len || !(cp = strchr(ep, '?'))) | |
570 | goto decode_header_bq_out; | |
571 | ||
572 | if (cp + 3 - it->buf > it->len) | |
573 | goto decode_header_bq_out; | |
574 | strbuf_add(&charset_q, ep, cp - ep); | |
3b6121f6 | 575 | |
d4a9ce78 JH |
576 | encoding = cp[1]; |
577 | if (!encoding || cp[2] != '?') | |
3b6121f6 | 578 | goto decode_header_bq_out; |
d4a9ce78 JH |
579 | ep = strstr(cp + 3, "?="); |
580 | if (!ep) | |
3b6121f6 LS |
581 | goto decode_header_bq_out; |
582 | strbuf_add(&piecebuf, cp + 3, ep - cp - 3); | |
d4a9ce78 JH |
583 | switch (tolower(encoding)) { |
584 | default: | |
3b6121f6 | 585 | goto decode_header_bq_out; |
d4a9ce78 | 586 | case 'b': |
3b6121f6 | 587 | dec = decode_b_segment(&piecebuf); |
d4a9ce78 JH |
588 | break; |
589 | case 'q': | |
3b6121f6 | 590 | dec = decode_q_segment(&piecebuf, 1); |
d4a9ce78 JH |
591 | break; |
592 | } | |
650e4be5 | 593 | if (metainfo_charset) |
3b6121f6 | 594 | convert_to_utf8(dec, charset_q.buf); |
8dabdfcc | 595 | |
3b6121f6 LS |
596 | strbuf_addbuf(&outbuf, dec); |
597 | strbuf_release(dec); | |
598 | free(dec); | |
d4a9ce78 JH |
599 | in = ep + 2; |
600 | } | |
3b6121f6 LS |
601 | strbuf_addstr(&outbuf, in); |
602 | strbuf_reset(it); | |
603 | strbuf_addbuf(it, &outbuf); | |
604 | decode_header_bq_out: | |
605 | strbuf_release(&outbuf); | |
606 | strbuf_release(&charset_q); | |
607 | strbuf_release(&piecebuf); | |
b75bf2c3 JH |
608 | return rfc2047; |
609 | } | |
610 | ||
3b6121f6 | 611 | static void decode_header(struct strbuf *it) |
b75bf2c3 | 612 | { |
3b6121f6 | 613 | if (decode_header_bq(it)) |
b75bf2c3 JH |
614 | return; |
615 | /* otherwise "it" is a straight copy of the input. | |
616 | * This can be binary guck but there is no charset specified. | |
617 | */ | |
618 | if (metainfo_charset) | |
3b6121f6 | 619 | convert_to_utf8(it, ""); |
d4a9ce78 JH |
620 | } |
621 | ||
3b6121f6 | 622 | static void decode_transfer_encoding(struct strbuf *line) |
d4a9ce78 | 623 | { |
3b6121f6 | 624 | struct strbuf *ret; |
d4a9ce78 JH |
625 | |
626 | switch (transfer_encoding) { | |
627 | case TE_QP: | |
3b6121f6 LS |
628 | ret = decode_q_segment(line, 0); |
629 | break; | |
d4a9ce78 | 630 | case TE_BASE64: |
3b6121f6 LS |
631 | ret = decode_b_segment(line); |
632 | break; | |
d4a9ce78 | 633 | case TE_DONTCARE: |
9aa23094 | 634 | default: |
3b6121f6 | 635 | return; |
d4a9ce78 | 636 | } |
3b6121f6 LS |
637 | strbuf_reset(line); |
638 | strbuf_addbuf(line, ret); | |
639 | strbuf_release(ret); | |
640 | free(ret); | |
d4a9ce78 JH |
641 | } |
642 | ||
3b6121f6 | 643 | static void handle_filter(struct strbuf *line); |
87ab7992 DZ |
644 | |
645 | static int find_boundary(void) | |
2744b234 | 646 | { |
3b6121f6 | 647 | while (!strbuf_getline(&line, fin, '\n')) { |
289796dd | 648 | if (*content_top && is_multipart_boundary(&line)) |
87ab7992 DZ |
649 | return 1; |
650 | } | |
651 | return 0; | |
652 | } | |
653 | ||
654 | static int handle_boundary(void) | |
655 | { | |
3b6121f6 LS |
656 | struct strbuf newline = STRBUF_INIT; |
657 | ||
658 | strbuf_addch(&newline, '\n'); | |
87ab7992 | 659 | again: |
3b6121f6 LS |
660 | if (line.len >= (*content_top)->len + 2 && |
661 | !memcmp(line.buf + (*content_top)->len, "--", 2)) { | |
87ab7992 DZ |
662 | /* we hit an end boundary */ |
663 | /* pop the current boundary off the stack */ | |
3b6121f6 LS |
664 | strbuf_release(*content_top); |
665 | free(*content_top); | |
666 | *content_top = NULL; | |
87ab7992 DZ |
667 | |
668 | /* technically won't happen as is_multipart_boundary() | |
669 | will fail first. But just in case.. | |
670 | */ | |
289796dd | 671 | if (--content_top < content) { |
87ab7992 DZ |
672 | fprintf(stderr, "Detected mismatched boundaries, " |
673 | "can't recover\n"); | |
674 | exit(1); | |
675 | } | |
3b6121f6 LS |
676 | handle_filter(&newline); |
677 | strbuf_release(&newline); | |
87ab7992 DZ |
678 | |
679 | /* skip to the next boundary */ | |
680 | if (!find_boundary()) | |
681 | return 0; | |
682 | goto again; | |
683 | } | |
684 | ||
685 | /* set some defaults */ | |
686 | transfer_encoding = TE_DONTCARE; | |
3b6121f6 | 687 | strbuf_reset(&charset); |
d4a9ce78 | 688 | |
87ab7992 | 689 | /* slurp in this section's info */ |
3b6121f6 LS |
690 | while (read_one_header_line(&line, fin)) |
691 | check_header(&line, p_hdr_data, 0); | |
2744b234 | 692 | |
3b6121f6 | 693 | strbuf_release(&newline); |
a9fd1383 JH |
694 | /* replenish line */ |
695 | if (strbuf_getline(&line, fin, '\n')) | |
696 | return 0; | |
697 | strbuf_addch(&line, '\n'); | |
698 | return 1; | |
d4a9ce78 JH |
699 | } |
700 | ||
3b6121f6 | 701 | static inline int patchbreak(const struct strbuf *line) |
f0658cf2 | 702 | { |
3b6121f6 LS |
703 | size_t i; |
704 | ||
f0658cf2 | 705 | /* Beginning of a "diff -" header? */ |
59556548 | 706 | if (starts_with(line->buf, "diff -")) |
f0658cf2 DZ |
707 | return 1; |
708 | ||
709 | /* CVS "Index: " line? */ | |
59556548 | 710 | if (starts_with(line->buf, "Index: ")) |
f0658cf2 DZ |
711 | return 1; |
712 | ||
713 | /* | |
714 | * "--- <filename>" starts patches without headers | |
715 | * "---<sp>*" is a manual separator | |
716 | */ | |
3b6121f6 LS |
717 | if (line->len < 4) |
718 | return 0; | |
719 | ||
59556548 | 720 | if (starts_with(line->buf, "---")) { |
f0658cf2 | 721 | /* space followed by a filename? */ |
3b6121f6 | 722 | if (line->buf[3] == ' ' && !isspace(line->buf[4])) |
f0658cf2 DZ |
723 | return 1; |
724 | /* Just whitespace? */ | |
3b6121f6 LS |
725 | for (i = 3; i < line->len; i++) { |
726 | unsigned char c = line->buf[i]; | |
f0658cf2 DZ |
727 | if (c == '\n') |
728 | return 1; | |
729 | if (!isspace(c)) | |
730 | break; | |
731 | } | |
732 | return 0; | |
733 | } | |
734 | return 0; | |
735 | } | |
736 | ||
200c75f0 JH |
737 | static int is_scissors_line(const struct strbuf *line) |
738 | { | |
739 | size_t i, len = line->len; | |
740 | int scissors = 0, gap = 0; | |
741 | int first_nonblank = -1; | |
742 | int last_nonblank = 0, visible, perforation = 0, in_perforation = 0; | |
743 | const char *buf = line->buf; | |
744 | ||
745 | for (i = 0; i < len; i++) { | |
746 | if (isspace(buf[i])) { | |
747 | if (in_perforation) { | |
748 | perforation++; | |
749 | gap++; | |
750 | } | |
751 | continue; | |
752 | } | |
753 | last_nonblank = i; | |
754 | if (first_nonblank < 0) | |
755 | first_nonblank = i; | |
756 | if (buf[i] == '-') { | |
757 | in_perforation = 1; | |
758 | perforation++; | |
759 | continue; | |
760 | } | |
761 | if (i + 1 < len && | |
9974e290 JN |
762 | (!memcmp(buf + i, ">8", 2) || !memcmp(buf + i, "8<", 2) || |
763 | !memcmp(buf + i, ">%", 2) || !memcmp(buf + i, "%<", 2))) { | |
200c75f0 JH |
764 | in_perforation = 1; |
765 | perforation += 2; | |
766 | scissors += 2; | |
767 | i++; | |
768 | continue; | |
769 | } | |
770 | in_perforation = 0; | |
771 | } | |
772 | ||
773 | /* | |
774 | * The mark must be at least 8 bytes long (e.g. "-- >8 --"). | |
775 | * Even though there can be arbitrary cruft on the same line | |
776 | * (e.g. "cut here"), in order to avoid misidentification, the | |
777 | * perforation must occupy more than a third of the visible | |
778 | * width of the line, and dashes and scissors must occupy more | |
779 | * than half of the perforation. | |
780 | */ | |
781 | ||
782 | visible = last_nonblank - first_nonblank + 1; | |
783 | return (scissors && 8 <= visible && | |
784 | visible < perforation * 3 && | |
785 | gap * 2 < perforation); | |
786 | } | |
787 | ||
3b6121f6 | 788 | static int handle_commit_msg(struct strbuf *line) |
d4a9ce78 | 789 | { |
87ab7992 DZ |
790 | static int still_looking = 1; |
791 | ||
d4a9ce78 JH |
792 | if (!cmitmsg) |
793 | return 0; | |
2744b234 | 794 | |
87ab7992 | 795 | if (still_looking) { |
470b4526 | 796 | if (!line->len || (line->len == 1 && line->buf[0] == '\n')) |
3b6121f6 | 797 | return 0; |
d25e5159 LS |
798 | } |
799 | ||
800 | if (use_inbody_headers && still_looking) { | |
200c75f0 JH |
801 | still_looking = check_header(line, s_hdr_data, 0); |
802 | if (still_looking) | |
87ab7992 | 803 | return 0; |
d25e5159 LS |
804 | } else |
805 | /* Only trim the first (blank) line of the commit message | |
806 | * when ignoring in-body headers. | |
807 | */ | |
808 | still_looking = 0; | |
8b4525fb | 809 | |
86747c13 DZ |
810 | /* normalize the log message to UTF-8. */ |
811 | if (metainfo_charset) | |
3b6121f6 | 812 | convert_to_utf8(line, charset.buf); |
86747c13 | 813 | |
017678b4 | 814 | if (use_scissors && is_scissors_line(line)) { |
200c75f0 | 815 | int i; |
1be224ba JH |
816 | if (fseek(cmitmsg, 0L, SEEK_SET)) |
817 | die_errno("Could not rewind output message file"); | |
818 | if (ftruncate(fileno(cmitmsg), 0)) | |
819 | die_errno("Could not truncate output message file at scissors"); | |
200c75f0 JH |
820 | still_looking = 1; |
821 | ||
822 | /* | |
823 | * We may have already read "secondary headers"; purge | |
824 | * them to give ourselves a clean restart. | |
825 | */ | |
826 | for (i = 0; header[i]; i++) { | |
827 | if (s_hdr_data[i]) | |
828 | strbuf_release(s_hdr_data[i]); | |
829 | s_hdr_data[i] = NULL; | |
830 | } | |
831 | return 0; | |
832 | } | |
833 | ||
f0658cf2 | 834 | if (patchbreak(line)) { |
452dfbed PB |
835 | if (message_id) |
836 | fprintf(cmitmsg, "Message-Id: %s\n", message_id); | |
87ab7992 DZ |
837 | fclose(cmitmsg); |
838 | cmitmsg = NULL; | |
839 | return 1; | |
840 | } | |
8b4525fb | 841 | |
3b6121f6 | 842 | fputs(line->buf, cmitmsg); |
d4a9ce78 | 843 | return 0; |
2744b234 LT |
844 | } |
845 | ||
3b6121f6 | 846 | static void handle_patch(const struct strbuf *line) |
2744b234 | 847 | { |
3b6121f6 | 848 | fwrite(line->buf, 1, line->len, patchfile); |
87ab7992 | 849 | patch_lines++; |
2744b234 LT |
850 | } |
851 | ||
3b6121f6 | 852 | static void handle_filter(struct strbuf *line) |
2744b234 | 853 | { |
87ab7992 | 854 | static int filter = 0; |
2744b234 | 855 | |
3b6121f6 | 856 | /* filter tells us which part we left off on */ |
87ab7992 DZ |
857 | switch (filter) { |
858 | case 0: | |
3b6121f6 | 859 | if (!handle_commit_msg(line)) |
d4a9ce78 | 860 | break; |
87ab7992 DZ |
861 | filter++; |
862 | case 1: | |
3b6121f6 LS |
863 | handle_patch(line); |
864 | break; | |
2744b234 LT |
865 | } |
866 | } | |
867 | ||
87ab7992 | 868 | static void handle_body(void) |
1d8fa411 | 869 | { |
3b6121f6 | 870 | struct strbuf prev = STRBUF_INIT; |
d4a9ce78 JH |
871 | |
872 | /* Skip up to the first boundary */ | |
3b6121f6 | 873 | if (*content_top) { |
87ab7992 | 874 | if (!find_boundary()) |
3b6121f6 | 875 | goto handle_body_out; |
87ab7992 DZ |
876 | } |
877 | ||
878 | do { | |
879 | /* process any boundary lines */ | |
3b6121f6 | 880 | if (*content_top && is_multipart_boundary(&line)) { |
87ab7992 | 881 | /* flush any leftover */ |
a9fd1383 JH |
882 | if (prev.len) { |
883 | handle_filter(&prev); | |
884 | strbuf_reset(&prev); | |
885 | } | |
87ab7992 | 886 | if (!handle_boundary()) |
3b6121f6 | 887 | goto handle_body_out; |
87ab7992 DZ |
888 | } |
889 | ||
86747c13 | 890 | /* Unwrap transfer encoding */ |
3b6121f6 | 891 | decode_transfer_encoding(&line); |
87ab7992 DZ |
892 | |
893 | switch (transfer_encoding) { | |
894 | case TE_BASE64: | |
87f1b884 | 895 | case TE_QP: |
87ab7992 | 896 | { |
3b6121f6 LS |
897 | struct strbuf **lines, **it, *sb; |
898 | ||
899 | /* Prepend any previous partial lines */ | |
900 | strbuf_insert(&line, 0, prev.buf, prev.len); | |
901 | strbuf_reset(&prev); | |
87ab7992 | 902 | |
9aa23094 JH |
903 | /* |
904 | * This is a decoded line that may contain | |
87ab7992 DZ |
905 | * multiple new lines. Pass only one chunk |
906 | * at a time to handle_filter() | |
907 | */ | |
3b6121f6 LS |
908 | lines = strbuf_split(&line, '\n'); |
909 | for (it = lines; (sb = *it); it++) { | |
910 | if (*(it + 1) == NULL) /* The last line */ | |
911 | if (sb->buf[sb->len - 1] != '\n') { | |
912 | /* Partial line, save it for later. */ | |
913 | strbuf_addbuf(&prev, sb); | |
914 | break; | |
915 | } | |
916 | handle_filter(sb); | |
917 | } | |
9aa23094 | 918 | /* |
3b6121f6 | 919 | * The partial chunk is saved in "prev" and will be |
9aa23094 | 920 | * appended by the next iteration of read_line_with_nul(). |
87ab7992 | 921 | */ |
3b6121f6 | 922 | strbuf_list_free(lines); |
d4a9ce78 | 923 | break; |
1d8fa411 | 924 | } |
87ab7992 | 925 | default: |
3b6121f6 | 926 | handle_filter(&line); |
d4a9ce78 | 927 | } |
87ab7992 | 928 | |
c8f373a5 | 929 | } while (!strbuf_getwholeline(&line, fin, '\n')); |
3b6121f6 LS |
930 | |
931 | handle_body_out: | |
932 | strbuf_release(&prev); | |
1d8fa411 JH |
933 | } |
934 | ||
3b6121f6 | 935 | static void output_header_lines(FILE *fout, const char *hdr, const struct strbuf *data) |
d7f6bae2 | 936 | { |
3b6121f6 | 937 | const char *sp = data->buf; |
d7f6bae2 | 938 | while (1) { |
3b6121f6 | 939 | char *ep = strchr(sp, '\n'); |
d7f6bae2 JH |
940 | int len; |
941 | if (!ep) | |
3b6121f6 | 942 | len = strlen(sp); |
d7f6bae2 | 943 | else |
3b6121f6 LS |
944 | len = ep - sp; |
945 | fprintf(fout, "%s: %.*s\n", hdr, len, sp); | |
d7f6bae2 JH |
946 | if (!ep) |
947 | break; | |
3b6121f6 | 948 | sp = ep + 1; |
d7f6bae2 JH |
949 | } |
950 | } | |
951 | ||
87ab7992 | 952 | static void handle_info(void) |
2744b234 | 953 | { |
3b6121f6 | 954 | struct strbuf *hdr; |
87ab7992 DZ |
955 | int i; |
956 | ||
957 | for (i = 0; header[i]; i++) { | |
87ab7992 DZ |
958 | /* only print inbody headers if we output a patch file */ |
959 | if (patch_lines && s_hdr_data[i]) | |
960 | hdr = s_hdr_data[i]; | |
961 | else if (p_hdr_data[i]) | |
962 | hdr = p_hdr_data[i]; | |
963 | else | |
964 | continue; | |
965 | ||
b1a013dd | 966 | if (!strcmp(header[i], "Subject")) { |
3b6121f6 LS |
967 | if (!keep_subject) { |
968 | cleanup_subject(hdr); | |
969 | cleanup_space(hdr); | |
d7f6bae2 | 970 | } |
3b6121f6 | 971 | output_header_lines(fout, "Subject", hdr); |
b1a013dd | 972 | } else if (!strcmp(header[i], "From")) { |
ddfb3696 | 973 | cleanup_space(hdr); |
87ab7992 | 974 | handle_from(hdr); |
3b6121f6 LS |
975 | fprintf(fout, "Author: %s\n", name.buf); |
976 | fprintf(fout, "Email: %s\n", email.buf); | |
87ab7992 DZ |
977 | } else { |
978 | cleanup_space(hdr); | |
3b6121f6 | 979 | fprintf(fout, "%s: %s\n", header[i], hdr->buf); |
87ab7992 | 980 | } |
d4a9ce78 | 981 | } |
87ab7992 | 982 | fprintf(fout, "\n"); |
2744b234 LT |
983 | } |
984 | ||
606417bc | 985 | static int mailinfo(FILE *in, FILE *out, const char *msg, const char *patch) |
34488e3c | 986 | { |
f88a545a | 987 | int peek; |
34488e3c LS |
988 | fin = in; |
989 | fout = out; | |
990 | ||
991 | cmitmsg = fopen(msg, "w"); | |
992 | if (!cmitmsg) { | |
993 | perror(msg); | |
994 | return -1; | |
995 | } | |
996 | patchfile = fopen(patch, "w"); | |
997 | if (!patchfile) { | |
998 | perror(patch); | |
999 | fclose(cmitmsg); | |
1000 | return -1; | |
1001 | } | |
87ab7992 | 1002 | |
3b6121f6 LS |
1003 | p_hdr_data = xcalloc(MAX_HDR_PARSED, sizeof(*p_hdr_data)); |
1004 | s_hdr_data = xcalloc(MAX_HDR_PARSED, sizeof(*s_hdr_data)); | |
87ab7992 | 1005 | |
f88a545a SS |
1006 | do { |
1007 | peek = fgetc(in); | |
1008 | } while (isspace(peek)); | |
1009 | ungetc(peek, in); | |
1010 | ||
87ab7992 | 1011 | /* process the email header */ |
3b6121f6 LS |
1012 | while (read_one_header_line(&line, fin)) |
1013 | check_header(&line, p_hdr_data, 1); | |
87ab7992 DZ |
1014 | |
1015 | handle_body(); | |
1016 | handle_info(); | |
34488e3c LS |
1017 | |
1018 | return 0; | |
1019 | } | |
1020 | ||
43485d3d JH |
1021 | static int git_mailinfo_config(const char *var, const char *value, void *unused) |
1022 | { | |
59556548 | 1023 | if (!starts_with(var, "mailinfo.")) |
43485d3d JH |
1024 | return git_default_config(var, value, unused); |
1025 | if (!strcmp(var, "mailinfo.scissors")) { | |
1026 | use_scissors = git_config_bool(var, value); | |
1027 | return 0; | |
1028 | } | |
1029 | /* perhaps others here */ | |
1030 | return 0; | |
1031 | } | |
1032 | ||
6bff6a60 | 1033 | static const char mailinfo_usage[] = |
452dfbed | 1034 | "git mailinfo [-k|-b] [-m | --message-id] [-u | --encoding=<encoding> | -n] [--scissors | --no-scissors] msg patch < mail >info"; |
d4a9ce78 | 1035 | |
a633fca0 | 1036 | int cmd_mailinfo(int argc, const char **argv, const char *prefix) |
2744b234 | 1037 | { |
bb1091a4 JH |
1038 | const char *def_charset; |
1039 | ||
f1f909e3 JH |
1040 | /* NEEDSWORK: might want to do the optional .git/ directory |
1041 | * discovery | |
1042 | */ | |
43485d3d | 1043 | git_config(git_mailinfo_config, NULL); |
f1f909e3 | 1044 | |
a6fa5992 | 1045 | def_charset = get_commit_output_encoding(); |
bb1091a4 JH |
1046 | metainfo_charset = def_charset; |
1047 | ||
6bff6a60 JH |
1048 | while (1 < argc && argv[1][0] == '-') { |
1049 | if (!strcmp(argv[1], "-k")) | |
1050 | keep_subject = 1; | |
17635fc9 JH |
1051 | else if (!strcmp(argv[1], "-b")) |
1052 | keep_non_patch_brackets_in_subject = 1; | |
452dfbed PB |
1053 | else if (!strcmp(argv[1], "-m") || !strcmp(argv[1], "--message-id")) |
1054 | add_message_id = 1; | |
d4a9ce78 | 1055 | else if (!strcmp(argv[1], "-u")) |
bb1091a4 JH |
1056 | metainfo_charset = def_charset; |
1057 | else if (!strcmp(argv[1], "-n")) | |
1058 | metainfo_charset = NULL; | |
59556548 | 1059 | else if (starts_with(argv[1], "--encoding=")) |
9f63892b | 1060 | metainfo_charset = argv[1] + 11; |
017678b4 JH |
1061 | else if (!strcmp(argv[1], "--scissors")) |
1062 | use_scissors = 1; | |
1063 | else if (!strcmp(argv[1], "--no-scissors")) | |
1064 | use_scissors = 0; | |
d25e5159 LS |
1065 | else if (!strcmp(argv[1], "--no-inbody-headers")) |
1066 | use_inbody_headers = 0; | |
d4a9ce78 | 1067 | else |
f1f909e3 | 1068 | usage(mailinfo_usage); |
6bff6a60 JH |
1069 | argc--; argv++; |
1070 | } | |
1071 | ||
a196d8d4 | 1072 | if (argc != 3) |
f1f909e3 | 1073 | usage(mailinfo_usage); |
34488e3c | 1074 | |
606417bc | 1075 | return !!mailinfo(stdin, stdout, argv[1], argv[2]); |
2744b234 | 1076 | } |