]>
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; | |
2744b234 | 18 | |
d4a9ce78 JH |
19 | static enum { |
20 | TE_DONTCARE, TE_QP, TE_BASE64, | |
21 | } transfer_encoding; | |
87ab7992 DZ |
22 | static enum { |
23 | TYPE_TEXT, TYPE_OTHER, | |
24 | } message_type; | |
d4a9ce78 | 25 | |
3b6121f6 | 26 | static struct strbuf charset = STRBUF_INIT; |
96f1e58f | 27 | static int patch_lines; |
3b6121f6 | 28 | static struct strbuf **p_hdr_data, **s_hdr_data; |
017678b4 | 29 | static int use_scissors; |
d25e5159 | 30 | static int use_inbody_headers = 1; |
87ab7992 DZ |
31 | |
32 | #define MAX_HDR_PARSED 10 | |
33 | #define MAX_BOUNDARIES 5 | |
d4a9ce78 | 34 | |
08e6710f KS |
35 | static void cleanup_space(struct strbuf *sb); |
36 | ||
37 | ||
3b6121f6 | 38 | static void get_sane_name(struct strbuf *out, struct strbuf *name, struct strbuf *email) |
2744b234 | 39 | { |
3b6121f6 LS |
40 | struct strbuf *src = name; |
41 | if (name->len < 3 || 60 < name->len || strchr(name->buf, '@') || | |
42 | strchr(name->buf, '<') || strchr(name->buf, '>')) | |
43 | src = email; | |
44 | else if (name == out) | |
45 | return; | |
46 | strbuf_reset(out); | |
47 | strbuf_addbuf(out, src); | |
2744b234 LT |
48 | } |
49 | ||
3b6121f6 | 50 | static void parse_bogus_from(const struct strbuf *line) |
e0e3ba20 JH |
51 | { |
52 | /* John Doe <johndoe> */ | |
e0e3ba20 | 53 | |
3b6121f6 | 54 | char *bra, *ket; |
e0e3ba20 JH |
55 | /* This is fallback, so do not bother if we already have an |
56 | * e-mail address. | |
34488e3c | 57 | */ |
3b6121f6 LS |
58 | if (email.len) |
59 | return; | |
e0e3ba20 | 60 | |
3b6121f6 | 61 | bra = strchr(line->buf, '<'); |
e0e3ba20 | 62 | if (!bra) |
3b6121f6 | 63 | return; |
e0e3ba20 JH |
64 | ket = strchr(bra, '>'); |
65 | if (!ket) | |
3b6121f6 | 66 | return; |
e0e3ba20 | 67 | |
3b6121f6 LS |
68 | strbuf_reset(&email); |
69 | strbuf_add(&email, bra + 1, ket - bra - 1); | |
70 | ||
71 | strbuf_reset(&name); | |
72 | strbuf_add(&name, line->buf, bra - line->buf); | |
73 | strbuf_trim(&name); | |
74 | get_sane_name(&name, &name, &email); | |
e0e3ba20 JH |
75 | } |
76 | ||
3b6121f6 | 77 | static void handle_from(const struct strbuf *from) |
2744b234 | 78 | { |
2dec02b1 | 79 | char *at; |
3b6121f6 LS |
80 | size_t el; |
81 | struct strbuf f; | |
2744b234 | 82 | |
3b6121f6 LS |
83 | strbuf_init(&f, from->len); |
84 | strbuf_addbuf(&f, from); | |
85 | ||
86 | at = strchr(f.buf, '@'); | |
87 | if (!at) { | |
88 | parse_bogus_from(from); | |
89 | return; | |
90 | } | |
2744b234 LT |
91 | |
92 | /* | |
93 | * If we already have one email, don't take any confusing lines | |
94 | */ | |
3b6121f6 LS |
95 | if (email.len && strchr(at + 1, '@')) { |
96 | strbuf_release(&f); | |
97 | return; | |
98 | } | |
2744b234 | 99 | |
d4a9ce78 | 100 | /* Pick up the string around '@', possibly delimited with <> |
3b6121f6 | 101 | * pair; that is the email part. |
d4a9ce78 | 102 | */ |
3b6121f6 | 103 | while (at > f.buf) { |
2744b234 | 104 | char c = at[-1]; |
d4a9ce78 JH |
105 | if (isspace(c)) |
106 | break; | |
107 | if (c == '<') { | |
108 | at[-1] = ' '; | |
2744b234 | 109 | break; |
d4a9ce78 | 110 | } |
2744b234 LT |
111 | at--; |
112 | } | |
3b6121f6 LS |
113 | el = strcspn(at, " \n\t\r\v\f>"); |
114 | strbuf_reset(&email); | |
115 | strbuf_add(&email, at, el); | |
e9d7d10a | 116 | strbuf_remove(&f, at - f.buf, el + (at[el] ? 1 : 0)); |
2744b234 | 117 | |
08e6710f KS |
118 | /* The remainder is name. It could be |
119 | * | |
120 | * - "John Doe <john.doe@xz>" (a), or | |
121 | * - "john.doe@xz (John Doe)" (b), or | |
122 | * - "John (zzz) Doe <john.doe@xz> (Comment)" (c) | |
123 | * | |
124 | * but we have removed the email part, so | |
125 | * | |
126 | * - remove extra spaces which could stay after email (case 'c'), and | |
127 | * - trim from both ends, possibly removing the () pair at the end | |
128 | * (cases 'a' and 'b'). | |
d4a9ce78 | 129 | */ |
08e6710f | 130 | cleanup_space(&f); |
3b6121f6 | 131 | strbuf_trim(&f); |
0d4ede9f PB |
132 | if (f.buf[0] == '(' && f.len && f.buf[f.len - 1] == ')') { |
133 | strbuf_remove(&f, 0, 1); | |
3b6121f6 | 134 | strbuf_setlen(&f, f.len - 1); |
0d4ede9f | 135 | } |
2744b234 | 136 | |
3b6121f6 LS |
137 | get_sane_name(&name, &f, &email); |
138 | strbuf_release(&f); | |
2744b234 LT |
139 | } |
140 | ||
3b6121f6 | 141 | static void handle_header(struct strbuf **out, const struct strbuf *line) |
62c1f6b4 | 142 | { |
3b6121f6 LS |
143 | if (!*out) { |
144 | *out = xmalloc(sizeof(struct strbuf)); | |
145 | strbuf_init(*out, line->len); | |
146 | } else | |
147 | strbuf_reset(*out); | |
87ab7992 | 148 | |
3b6121f6 | 149 | strbuf_addbuf(*out, line); |
d4a9ce78 JH |
150 | } |
151 | ||
152 | /* NOTE NOTE NOTE. We do not claim we do full MIME. We just attempt | |
153 | * to have enough heuristics to grok MIME encoded patches often found | |
154 | * on our mailing lists. For example, we do not even treat header lines | |
155 | * case insensitively. | |
156 | */ | |
157 | ||
3b6121f6 | 158 | static int slurp_attr(const char *line, const char *name, struct strbuf *attr) |
d4a9ce78 | 159 | { |
554fe20d | 160 | const char *ends, *ap = strcasestr(line, name); |
d4a9ce78 JH |
161 | size_t sz; |
162 | ||
163 | if (!ap) { | |
3b6121f6 | 164 | strbuf_setlen(attr, 0); |
d4a9ce78 JH |
165 | return 0; |
166 | } | |
167 | ap += strlen(name); | |
168 | if (*ap == '"') { | |
169 | ap++; | |
170 | ends = "\""; | |
171 | } | |
172 | else | |
173 | ends = "; \t"; | |
174 | sz = strcspn(ap, ends); | |
3b6121f6 | 175 | strbuf_add(attr, ap, sz); |
d4a9ce78 JH |
176 | return 1; |
177 | } | |
178 | ||
3b6121f6 | 179 | static struct strbuf *content[MAX_BOUNDARIES]; |
87ab7992 | 180 | |
3b6121f6 | 181 | static struct strbuf **content_top = content; |
87ab7992 | 182 | |
3b6121f6 | 183 | static void handle_content_type(struct strbuf *line) |
d4a9ce78 | 184 | { |
3b6121f6 LS |
185 | struct strbuf *boundary = xmalloc(sizeof(struct strbuf)); |
186 | strbuf_init(boundary, line->len); | |
87ab7992 | 187 | |
3b6121f6 | 188 | if (!strcasestr(line->buf, "text/")) |
87ab7992 | 189 | message_type = TYPE_OTHER; |
3b6121f6 LS |
190 | if (slurp_attr(line->buf, "boundary=", boundary)) { |
191 | strbuf_insert(boundary, 0, "--", 2); | |
289796dd | 192 | if (++content_top > &content[MAX_BOUNDARIES]) { |
87ab7992 DZ |
193 | fprintf(stderr, "Too many boundaries to handle\n"); |
194 | exit(1); | |
195 | } | |
3b6121f6 LS |
196 | *content_top = boundary; |
197 | boundary = NULL; | |
b893f091 | 198 | } |
ed1e3985 | 199 | slurp_attr(line->buf, "charset=", &charset); |
3b6121f6 LS |
200 | |
201 | if (boundary) { | |
202 | strbuf_release(boundary); | |
203 | free(boundary); | |
d4a9ce78 | 204 | } |
d4a9ce78 JH |
205 | } |
206 | ||
3b6121f6 | 207 | static void handle_content_transfer_encoding(const struct strbuf *line) |
d4a9ce78 | 208 | { |
3b6121f6 | 209 | if (strcasestr(line->buf, "base64")) |
d4a9ce78 | 210 | transfer_encoding = TE_BASE64; |
3b6121f6 | 211 | else if (strcasestr(line->buf, "quoted-printable")) |
d4a9ce78 JH |
212 | transfer_encoding = TE_QP; |
213 | else | |
214 | transfer_encoding = TE_DONTCARE; | |
2744b234 LT |
215 | } |
216 | ||
3b6121f6 | 217 | static int is_multipart_boundary(const struct strbuf *line) |
d4a9ce78 | 218 | { |
a9fd1383 JH |
219 | return (((*content_top)->len <= line->len) && |
220 | !memcmp(line->buf, (*content_top)->buf, (*content_top)->len)); | |
d4a9ce78 JH |
221 | } |
222 | ||
3b6121f6 | 223 | static void cleanup_subject(struct strbuf *subject) |
2744b234 | 224 | { |
17635fc9 JH |
225 | size_t at = 0; |
226 | ||
227 | while (at < subject->len) { | |
228 | char *pos; | |
229 | size_t remove; | |
230 | ||
231 | switch (subject->buf[at]) { | |
2744b234 | 232 | case 'r': case 'R': |
17635fc9 | 233 | if (subject->len <= at + 3) |
3b6121f6 | 234 | break; |
17635fc9 JH |
235 | if (!memcmp(subject->buf + at + 1, "e:", 2)) { |
236 | strbuf_remove(subject, at, 3); | |
2744b234 LT |
237 | continue; |
238 | } | |
17635fc9 | 239 | at++; |
2744b234 LT |
240 | break; |
241 | case ' ': case '\t': case ':': | |
17635fc9 | 242 | strbuf_remove(subject, at, 1); |
2744b234 | 243 | continue; |
2744b234 | 244 | case '[': |
17635fc9 JH |
245 | pos = strchr(subject->buf + at, ']'); |
246 | if (!pos) | |
247 | break; | |
248 | remove = pos - subject->buf + at + 1; | |
249 | if (!keep_non_patch_brackets_in_subject || | |
250 | (7 <= remove && | |
251 | memmem(subject->buf + at, remove, "PATCH", 5))) | |
252 | strbuf_remove(subject, at, remove); | |
253 | else | |
254 | at += remove; | |
255 | continue; | |
2744b234 | 256 | } |
17635fc9 | 257 | break; |
2744b234 | 258 | } |
17635fc9 | 259 | strbuf_trim(subject); |
34488e3c | 260 | } |
2744b234 | 261 | |
3b6121f6 | 262 | static void cleanup_space(struct strbuf *sb) |
2744b234 | 263 | { |
3b6121f6 LS |
264 | size_t pos, cnt; |
265 | for (pos = 0; pos < sb->len; pos++) { | |
266 | if (isspace(sb->buf[pos])) { | |
267 | sb->buf[pos] = ' '; | |
268 | for (cnt = 0; isspace(sb->buf[pos + cnt + 1]); cnt++); | |
269 | strbuf_remove(sb, pos + 1, cnt); | |
2744b234 LT |
270 | } |
271 | } | |
272 | } | |
273 | ||
3b6121f6 | 274 | static void decode_header(struct strbuf *line); |
538dfe73 | 275 | static const char *header[MAX_HDR_PARSED] = { |
87ab7992 | 276 | "From","Subject","Date", |
d4a9ce78 JH |
277 | }; |
278 | ||
3b6121f6 | 279 | static inline int cmp_header(const struct strbuf *line, const char *hdr) |
d4a9ce78 | 280 | { |
3b6121f6 LS |
281 | int len = strlen(hdr); |
282 | return !strncasecmp(line->buf, hdr, len) && line->len > len && | |
283 | line->buf[len] == ':' && isspace(line->buf[len + 1]); | |
284 | } | |
d4a9ce78 | 285 | |
3b6121f6 LS |
286 | static int check_header(const struct strbuf *line, |
287 | struct strbuf *hdr_data[], int overwrite) | |
288 | { | |
289 | int i, ret = 0, len; | |
290 | struct strbuf sb = STRBUF_INIT; | |
87ab7992 DZ |
291 | /* search for the interesting parts */ |
292 | for (i = 0; header[i]; i++) { | |
293 | int len = strlen(header[i]); | |
3b6121f6 | 294 | if ((!hdr_data[i] || overwrite) && cmp_header(line, header[i])) { |
33504530 EB |
295 | /* Unwrap inline B and Q encoding, and optionally |
296 | * normalize the meta information to utf8. | |
297 | */ | |
3b6121f6 LS |
298 | strbuf_add(&sb, line->buf + len + 2, line->len - len - 2); |
299 | decode_header(&sb); | |
300 | handle_header(&hdr_data[i], &sb); | |
301 | ret = 1; | |
302 | goto check_header_out; | |
d4a9ce78 JH |
303 | } |
304 | } | |
d4a9ce78 | 305 | |
87ab7992 | 306 | /* Content stuff */ |
3b6121f6 LS |
307 | if (cmp_header(line, "Content-Type")) { |
308 | len = strlen("Content-Type: "); | |
309 | strbuf_add(&sb, line->buf + len, line->len - len); | |
310 | decode_header(&sb); | |
311 | strbuf_insert(&sb, 0, "Content-Type: ", len); | |
312 | handle_content_type(&sb); | |
313 | ret = 1; | |
314 | goto check_header_out; | |
315 | } | |
316 | if (cmp_header(line, "Content-Transfer-Encoding")) { | |
317 | len = strlen("Content-Transfer-Encoding: "); | |
318 | strbuf_add(&sb, line->buf + len, line->len - len); | |
319 | decode_header(&sb); | |
320 | handle_content_transfer_encoding(&sb); | |
321 | ret = 1; | |
322 | goto check_header_out; | |
87ab7992 DZ |
323 | } |
324 | ||
325 | /* for inbody stuff */ | |
3b6121f6 LS |
326 | if (!prefixcmp(line->buf, ">From") && isspace(line->buf[5])) { |
327 | ret = 1; /* Should this return 0? */ | |
328 | goto check_header_out; | |
329 | } | |
330 | if (!prefixcmp(line->buf, "[PATCH]") && isspace(line->buf[7])) { | |
87ab7992 | 331 | for (i = 0; header[i]; i++) { |
e9fe804a | 332 | if (!memcmp("Subject", header[i], 7)) { |
3b6121f6 LS |
333 | handle_header(&hdr_data[i], line); |
334 | ret = 1; | |
335 | goto check_header_out; | |
87ab7992 DZ |
336 | } |
337 | } | |
338 | } | |
339 | ||
3b6121f6 LS |
340 | check_header_out: |
341 | strbuf_release(&sb); | |
342 | return ret; | |
d4a9ce78 JH |
343 | } |
344 | ||
3b6121f6 | 345 | static int is_rfc2822_header(const struct strbuf *line) |
ef29c117 JH |
346 | { |
347 | /* | |
348 | * The section that defines the loosest possible | |
349 | * field name is "3.6.8 Optional fields". | |
350 | * | |
351 | * optional-field = field-name ":" unstructured CRLF | |
352 | * field-name = 1*ftext | |
353 | * ftext = %d33-57 / %59-126 | |
354 | */ | |
355 | int ch; | |
3b6121f6 | 356 | char *cp = line->buf; |
34fc5cef LT |
357 | |
358 | /* Count mbox From headers as headers */ | |
3b6121f6 | 359 | if (!prefixcmp(cp, "From ") || !prefixcmp(cp, ">From ")) |
34fc5cef LT |
360 | return 1; |
361 | ||
ef29c117 JH |
362 | while ((ch = *cp++)) { |
363 | if (ch == ':') | |
3b6121f6 | 364 | return 1; |
ef29c117 JH |
365 | if ((33 <= ch && ch <= 57) || |
366 | (59 <= ch && ch <= 126)) | |
367 | continue; | |
368 | break; | |
369 | } | |
370 | return 0; | |
371 | } | |
372 | ||
3b6121f6 | 373 | static int read_one_header_line(struct strbuf *line, FILE *in) |
d4a9ce78 | 374 | { |
34fc5cef | 375 | /* Get the first part of the line. */ |
3b6121f6 | 376 | if (strbuf_getline(line, in, '\n')) |
34fc5cef LT |
377 | return 0; |
378 | ||
379 | /* | |
380 | * Is it an empty line or not a valid rfc2822 header? | |
381 | * If so, stop here, and return false ("not a header") | |
382 | */ | |
3b6121f6 LS |
383 | strbuf_rtrim(line); |
384 | if (!line->len || !is_rfc2822_header(line)) { | |
34fc5cef | 385 | /* Re-add the newline */ |
3b6121f6 | 386 | strbuf_addch(line, '\n'); |
34fc5cef LT |
387 | return 0; |
388 | } | |
389 | ||
390 | /* | |
391 | * Now we need to eat all the continuation lines.. | |
392 | * Yuck, 2822 header "folding" | |
393 | */ | |
394 | for (;;) { | |
3b6121f6 LS |
395 | int peek; |
396 | struct strbuf continuation = STRBUF_INIT; | |
34fc5cef | 397 | |
f30b2028 EB |
398 | peek = fgetc(in); ungetc(peek, in); |
399 | if (peek != ' ' && peek != '\t') | |
400 | break; | |
3b6121f6 | 401 | if (strbuf_getline(&continuation, in, '\n')) |
34fc5cef | 402 | break; |
3b6121f6 LS |
403 | continuation.buf[0] = '\n'; |
404 | strbuf_rtrim(&continuation); | |
405 | strbuf_addbuf(line, &continuation); | |
d4a9ce78 | 406 | } |
34fc5cef LT |
407 | |
408 | return 1; | |
d4a9ce78 JH |
409 | } |
410 | ||
3b6121f6 | 411 | static struct strbuf *decode_q_segment(const struct strbuf *q_seg, int rfc2047) |
d4a9ce78 | 412 | { |
3b6121f6 | 413 | const char *in = q_seg->buf; |
d4a9ce78 | 414 | int c; |
3b6121f6 LS |
415 | struct strbuf *out = xmalloc(sizeof(struct strbuf)); |
416 | strbuf_init(out, q_seg->len); | |
417 | ||
418 | while ((c = *in++) != 0) { | |
d4a9ce78 JH |
419 | if (c == '=') { |
420 | int d = *in++; | |
421 | if (d == '\n' || !d) | |
422 | break; /* drop trailing newline */ | |
3b6121f6 | 423 | strbuf_addch(out, (hexval(d) << 4) | hexval(*in++)); |
75731930 | 424 | continue; |
d4a9ce78 | 425 | } |
75731930 JH |
426 | if (rfc2047 && c == '_') /* rfc2047 4.2 (2) */ |
427 | c = 0x20; | |
3b6121f6 | 428 | strbuf_addch(out, c); |
d4a9ce78 | 429 | } |
3b6121f6 | 430 | return out; |
d4a9ce78 JH |
431 | } |
432 | ||
3b6121f6 | 433 | static struct strbuf *decode_b_segment(const struct strbuf *b_seg) |
d4a9ce78 JH |
434 | { |
435 | /* Decode in..ep, possibly in-place to ot */ | |
436 | int c, pos = 0, acc = 0; | |
3b6121f6 LS |
437 | const char *in = b_seg->buf; |
438 | struct strbuf *out = xmalloc(sizeof(struct strbuf)); | |
439 | strbuf_init(out, b_seg->len); | |
d4a9ce78 | 440 | |
3b6121f6 | 441 | while ((c = *in++) != 0) { |
d4a9ce78 JH |
442 | if (c == '+') |
443 | c = 62; | |
444 | else if (c == '/') | |
445 | c = 63; | |
446 | else if ('A' <= c && c <= 'Z') | |
447 | c -= 'A'; | |
448 | else if ('a' <= c && c <= 'z') | |
449 | c -= 'a' - 26; | |
450 | else if ('0' <= c && c <= '9') | |
451 | c -= '0' - 52; | |
d4a9ce78 JH |
452 | else |
453 | continue; /* garbage */ | |
454 | switch (pos++) { | |
455 | case 0: | |
456 | acc = (c << 2); | |
457 | break; | |
458 | case 1: | |
3b6121f6 | 459 | strbuf_addch(out, (acc | (c >> 4))); |
d4a9ce78 JH |
460 | acc = (c & 15) << 4; |
461 | break; | |
462 | case 2: | |
3b6121f6 | 463 | strbuf_addch(out, (acc | (c >> 2))); |
d4a9ce78 JH |
464 | acc = (c & 3) << 6; |
465 | break; | |
466 | case 3: | |
3b6121f6 | 467 | strbuf_addch(out, (acc | c)); |
d4a9ce78 JH |
468 | acc = pos = 0; |
469 | break; | |
470 | } | |
471 | } | |
3b6121f6 | 472 | return out; |
d4a9ce78 JH |
473 | } |
474 | ||
b59d398b LT |
475 | /* |
476 | * When there is no known charset, guess. | |
477 | * | |
478 | * Right now we assume that if the target is UTF-8 (the default), | |
479 | * and it already looks like UTF-8 (which includes US-ASCII as its | |
480 | * subset, of course) then that is what it is and there is nothing | |
481 | * to do. | |
482 | * | |
483 | * Otherwise, we default to assuming it is Latin1 for historical | |
484 | * reasons. | |
485 | */ | |
3b6121f6 | 486 | static const char *guess_charset(const struct strbuf *line, const char *target_charset) |
b59d398b LT |
487 | { |
488 | if (is_encoding_utf8(target_charset)) { | |
3b6121f6 | 489 | if (is_utf8(line->buf)) |
b59d398b LT |
490 | return NULL; |
491 | } | |
62645006 | 492 | return "ISO8859-1"; |
b59d398b LT |
493 | } |
494 | ||
3b6121f6 | 495 | static void convert_to_utf8(struct strbuf *line, const char *charset) |
d4a9ce78 | 496 | { |
b59d398b LT |
497 | char *out; |
498 | ||
499 | if (!charset || !*charset) { | |
500 | charset = guess_charset(line, metainfo_charset); | |
501 | if (!charset) | |
502 | return; | |
503 | } | |
b45974a6 | 504 | |
ed1e3985 | 505 | if (!strcasecmp(metainfo_charset, charset)) |
7296096c | 506 | return; |
3b6121f6 | 507 | out = reencode_string(line->buf, metainfo_charset, charset); |
bb1091a4 | 508 | if (!out) |
d7530708 | 509 | die("cannot convert from %s to %s", |
b59d398b | 510 | charset, metainfo_charset); |
3b6121f6 | 511 | strbuf_attach(line, out, strlen(out), strlen(out)); |
d4a9ce78 JH |
512 | } |
513 | ||
3b6121f6 | 514 | static int decode_header_bq(struct strbuf *it) |
d4a9ce78 | 515 | { |
3b6121f6 LS |
516 | char *in, *ep, *cp; |
517 | struct strbuf outbuf = STRBUF_INIT, *dec; | |
518 | struct strbuf charset_q = STRBUF_INIT, piecebuf = STRBUF_INIT; | |
b75bf2c3 | 519 | int rfc2047 = 0; |
d4a9ce78 | 520 | |
3b6121f6 LS |
521 | in = it->buf; |
522 | while (in - it->buf <= it->len && (ep = strstr(in, "=?")) != NULL) { | |
523 | int encoding; | |
524 | strbuf_reset(&charset_q); | |
525 | strbuf_reset(&piecebuf); | |
b75bf2c3 JH |
526 | rfc2047 = 1; |
527 | ||
d4a9ce78 | 528 | if (in != ep) { |
353aaf2f KS |
529 | /* |
530 | * We are about to process an encoded-word | |
531 | * that begins at ep, but there is something | |
532 | * before the encoded word. | |
533 | */ | |
534 | char *scan; | |
535 | for (scan = in; scan < ep; scan++) | |
536 | if (!isspace(*scan)) | |
537 | break; | |
538 | ||
539 | if (scan != ep || in == it->buf) { | |
540 | /* | |
541 | * We should not lose that "something", | |
542 | * unless we have just processed an | |
543 | * encoded-word, and there is only LWS | |
544 | * before the one we are about to process. | |
545 | */ | |
546 | strbuf_add(&outbuf, in, ep - in); | |
547 | } | |
d4a9ce78 JH |
548 | } |
549 | /* E.g. | |
550 | * ep : "=?iso-2022-jp?B?GyR...?= foo" | |
551 | * ep : "=?ISO-8859-1?Q?Foo=FCbar?= baz" | |
552 | */ | |
553 | ep += 2; | |
3b6121f6 LS |
554 | |
555 | if (ep - it->buf >= it->len || !(cp = strchr(ep, '?'))) | |
556 | goto decode_header_bq_out; | |
557 | ||
558 | if (cp + 3 - it->buf > it->len) | |
559 | goto decode_header_bq_out; | |
560 | strbuf_add(&charset_q, ep, cp - ep); | |
3b6121f6 | 561 | |
d4a9ce78 JH |
562 | encoding = cp[1]; |
563 | if (!encoding || cp[2] != '?') | |
3b6121f6 | 564 | goto decode_header_bq_out; |
d4a9ce78 JH |
565 | ep = strstr(cp + 3, "?="); |
566 | if (!ep) | |
3b6121f6 LS |
567 | goto decode_header_bq_out; |
568 | strbuf_add(&piecebuf, cp + 3, ep - cp - 3); | |
d4a9ce78 JH |
569 | switch (tolower(encoding)) { |
570 | default: | |
3b6121f6 | 571 | goto decode_header_bq_out; |
d4a9ce78 | 572 | case 'b': |
3b6121f6 | 573 | dec = decode_b_segment(&piecebuf); |
d4a9ce78 JH |
574 | break; |
575 | case 'q': | |
3b6121f6 | 576 | dec = decode_q_segment(&piecebuf, 1); |
d4a9ce78 JH |
577 | break; |
578 | } | |
650e4be5 | 579 | if (metainfo_charset) |
3b6121f6 | 580 | convert_to_utf8(dec, charset_q.buf); |
8dabdfcc | 581 | |
3b6121f6 LS |
582 | strbuf_addbuf(&outbuf, dec); |
583 | strbuf_release(dec); | |
584 | free(dec); | |
d4a9ce78 JH |
585 | in = ep + 2; |
586 | } | |
3b6121f6 LS |
587 | strbuf_addstr(&outbuf, in); |
588 | strbuf_reset(it); | |
589 | strbuf_addbuf(it, &outbuf); | |
590 | decode_header_bq_out: | |
591 | strbuf_release(&outbuf); | |
592 | strbuf_release(&charset_q); | |
593 | strbuf_release(&piecebuf); | |
b75bf2c3 JH |
594 | return rfc2047; |
595 | } | |
596 | ||
3b6121f6 | 597 | static void decode_header(struct strbuf *it) |
b75bf2c3 | 598 | { |
3b6121f6 | 599 | if (decode_header_bq(it)) |
b75bf2c3 JH |
600 | return; |
601 | /* otherwise "it" is a straight copy of the input. | |
602 | * This can be binary guck but there is no charset specified. | |
603 | */ | |
604 | if (metainfo_charset) | |
3b6121f6 | 605 | convert_to_utf8(it, ""); |
d4a9ce78 JH |
606 | } |
607 | ||
3b6121f6 | 608 | static void decode_transfer_encoding(struct strbuf *line) |
d4a9ce78 | 609 | { |
3b6121f6 | 610 | struct strbuf *ret; |
d4a9ce78 JH |
611 | |
612 | switch (transfer_encoding) { | |
613 | case TE_QP: | |
3b6121f6 LS |
614 | ret = decode_q_segment(line, 0); |
615 | break; | |
d4a9ce78 | 616 | case TE_BASE64: |
3b6121f6 LS |
617 | ret = decode_b_segment(line); |
618 | break; | |
d4a9ce78 | 619 | case TE_DONTCARE: |
9aa23094 | 620 | default: |
3b6121f6 | 621 | return; |
d4a9ce78 | 622 | } |
3b6121f6 LS |
623 | strbuf_reset(line); |
624 | strbuf_addbuf(line, ret); | |
625 | strbuf_release(ret); | |
626 | free(ret); | |
d4a9ce78 JH |
627 | } |
628 | ||
3b6121f6 | 629 | static void handle_filter(struct strbuf *line); |
87ab7992 DZ |
630 | |
631 | static int find_boundary(void) | |
2744b234 | 632 | { |
3b6121f6 | 633 | while (!strbuf_getline(&line, fin, '\n')) { |
289796dd | 634 | if (*content_top && is_multipart_boundary(&line)) |
87ab7992 DZ |
635 | return 1; |
636 | } | |
637 | return 0; | |
638 | } | |
639 | ||
640 | static int handle_boundary(void) | |
641 | { | |
3b6121f6 LS |
642 | struct strbuf newline = STRBUF_INIT; |
643 | ||
644 | strbuf_addch(&newline, '\n'); | |
87ab7992 | 645 | again: |
3b6121f6 LS |
646 | if (line.len >= (*content_top)->len + 2 && |
647 | !memcmp(line.buf + (*content_top)->len, "--", 2)) { | |
87ab7992 DZ |
648 | /* we hit an end boundary */ |
649 | /* pop the current boundary off the stack */ | |
3b6121f6 LS |
650 | strbuf_release(*content_top); |
651 | free(*content_top); | |
652 | *content_top = NULL; | |
87ab7992 DZ |
653 | |
654 | /* technically won't happen as is_multipart_boundary() | |
655 | will fail first. But just in case.. | |
656 | */ | |
289796dd | 657 | if (--content_top < content) { |
87ab7992 DZ |
658 | fprintf(stderr, "Detected mismatched boundaries, " |
659 | "can't recover\n"); | |
660 | exit(1); | |
661 | } | |
3b6121f6 LS |
662 | handle_filter(&newline); |
663 | strbuf_release(&newline); | |
87ab7992 DZ |
664 | |
665 | /* skip to the next boundary */ | |
666 | if (!find_boundary()) | |
667 | return 0; | |
668 | goto again; | |
669 | } | |
670 | ||
671 | /* set some defaults */ | |
672 | transfer_encoding = TE_DONTCARE; | |
3b6121f6 | 673 | strbuf_reset(&charset); |
87ab7992 | 674 | message_type = TYPE_TEXT; |
d4a9ce78 | 675 | |
87ab7992 | 676 | /* slurp in this section's info */ |
3b6121f6 LS |
677 | while (read_one_header_line(&line, fin)) |
678 | check_header(&line, p_hdr_data, 0); | |
2744b234 | 679 | |
3b6121f6 | 680 | strbuf_release(&newline); |
a9fd1383 JH |
681 | /* replenish line */ |
682 | if (strbuf_getline(&line, fin, '\n')) | |
683 | return 0; | |
684 | strbuf_addch(&line, '\n'); | |
685 | return 1; | |
d4a9ce78 JH |
686 | } |
687 | ||
3b6121f6 | 688 | static inline int patchbreak(const struct strbuf *line) |
f0658cf2 | 689 | { |
3b6121f6 LS |
690 | size_t i; |
691 | ||
f0658cf2 | 692 | /* Beginning of a "diff -" header? */ |
3b6121f6 | 693 | if (!prefixcmp(line->buf, "diff -")) |
f0658cf2 DZ |
694 | return 1; |
695 | ||
696 | /* CVS "Index: " line? */ | |
3b6121f6 | 697 | if (!prefixcmp(line->buf, "Index: ")) |
f0658cf2 DZ |
698 | return 1; |
699 | ||
700 | /* | |
701 | * "--- <filename>" starts patches without headers | |
702 | * "---<sp>*" is a manual separator | |
703 | */ | |
3b6121f6 LS |
704 | if (line->len < 4) |
705 | return 0; | |
706 | ||
707 | if (!prefixcmp(line->buf, "---")) { | |
f0658cf2 | 708 | /* space followed by a filename? */ |
3b6121f6 | 709 | if (line->buf[3] == ' ' && !isspace(line->buf[4])) |
f0658cf2 DZ |
710 | return 1; |
711 | /* Just whitespace? */ | |
3b6121f6 LS |
712 | for (i = 3; i < line->len; i++) { |
713 | unsigned char c = line->buf[i]; | |
f0658cf2 DZ |
714 | if (c == '\n') |
715 | return 1; | |
716 | if (!isspace(c)) | |
717 | break; | |
718 | } | |
719 | return 0; | |
720 | } | |
721 | return 0; | |
722 | } | |
723 | ||
200c75f0 JH |
724 | static int is_scissors_line(const struct strbuf *line) |
725 | { | |
726 | size_t i, len = line->len; | |
727 | int scissors = 0, gap = 0; | |
728 | int first_nonblank = -1; | |
729 | int last_nonblank = 0, visible, perforation = 0, in_perforation = 0; | |
730 | const char *buf = line->buf; | |
731 | ||
732 | for (i = 0; i < len; i++) { | |
733 | if (isspace(buf[i])) { | |
734 | if (in_perforation) { | |
735 | perforation++; | |
736 | gap++; | |
737 | } | |
738 | continue; | |
739 | } | |
740 | last_nonblank = i; | |
741 | if (first_nonblank < 0) | |
742 | first_nonblank = i; | |
743 | if (buf[i] == '-') { | |
744 | in_perforation = 1; | |
745 | perforation++; | |
746 | continue; | |
747 | } | |
748 | if (i + 1 < len && | |
749 | (!memcmp(buf + i, ">8", 2) || !memcmp(buf + i, "8<", 2))) { | |
750 | in_perforation = 1; | |
751 | perforation += 2; | |
752 | scissors += 2; | |
753 | i++; | |
754 | continue; | |
755 | } | |
756 | in_perforation = 0; | |
757 | } | |
758 | ||
759 | /* | |
760 | * The mark must be at least 8 bytes long (e.g. "-- >8 --"). | |
761 | * Even though there can be arbitrary cruft on the same line | |
762 | * (e.g. "cut here"), in order to avoid misidentification, the | |
763 | * perforation must occupy more than a third of the visible | |
764 | * width of the line, and dashes and scissors must occupy more | |
765 | * than half of the perforation. | |
766 | */ | |
767 | ||
768 | visible = last_nonblank - first_nonblank + 1; | |
769 | return (scissors && 8 <= visible && | |
770 | visible < perforation * 3 && | |
771 | gap * 2 < perforation); | |
772 | } | |
773 | ||
3b6121f6 | 774 | static int handle_commit_msg(struct strbuf *line) |
d4a9ce78 | 775 | { |
87ab7992 DZ |
776 | static int still_looking = 1; |
777 | ||
d4a9ce78 JH |
778 | if (!cmitmsg) |
779 | return 0; | |
2744b234 | 780 | |
87ab7992 | 781 | if (still_looking) { |
3b6121f6 LS |
782 | strbuf_ltrim(line); |
783 | if (!line->len) | |
784 | return 0; | |
d25e5159 LS |
785 | } |
786 | ||
787 | if (use_inbody_headers && still_looking) { | |
200c75f0 JH |
788 | still_looking = check_header(line, s_hdr_data, 0); |
789 | if (still_looking) | |
87ab7992 | 790 | return 0; |
d25e5159 LS |
791 | } else |
792 | /* Only trim the first (blank) line of the commit message | |
793 | * when ignoring in-body headers. | |
794 | */ | |
795 | still_looking = 0; | |
8b4525fb | 796 | |
86747c13 DZ |
797 | /* normalize the log message to UTF-8. */ |
798 | if (metainfo_charset) | |
3b6121f6 | 799 | convert_to_utf8(line, charset.buf); |
86747c13 | 800 | |
017678b4 | 801 | if (use_scissors && is_scissors_line(line)) { |
200c75f0 | 802 | int i; |
1be224ba JH |
803 | if (fseek(cmitmsg, 0L, SEEK_SET)) |
804 | die_errno("Could not rewind output message file"); | |
805 | if (ftruncate(fileno(cmitmsg), 0)) | |
806 | die_errno("Could not truncate output message file at scissors"); | |
200c75f0 JH |
807 | still_looking = 1; |
808 | ||
809 | /* | |
810 | * We may have already read "secondary headers"; purge | |
811 | * them to give ourselves a clean restart. | |
812 | */ | |
813 | for (i = 0; header[i]; i++) { | |
814 | if (s_hdr_data[i]) | |
815 | strbuf_release(s_hdr_data[i]); | |
816 | s_hdr_data[i] = NULL; | |
817 | } | |
818 | return 0; | |
819 | } | |
820 | ||
f0658cf2 | 821 | if (patchbreak(line)) { |
87ab7992 DZ |
822 | fclose(cmitmsg); |
823 | cmitmsg = NULL; | |
824 | return 1; | |
825 | } | |
8b4525fb | 826 | |
3b6121f6 | 827 | fputs(line->buf, cmitmsg); |
d4a9ce78 | 828 | return 0; |
2744b234 LT |
829 | } |
830 | ||
3b6121f6 | 831 | static void handle_patch(const struct strbuf *line) |
2744b234 | 832 | { |
3b6121f6 | 833 | fwrite(line->buf, 1, line->len, patchfile); |
87ab7992 | 834 | patch_lines++; |
2744b234 LT |
835 | } |
836 | ||
3b6121f6 | 837 | static void handle_filter(struct strbuf *line) |
2744b234 | 838 | { |
87ab7992 | 839 | static int filter = 0; |
2744b234 | 840 | |
3b6121f6 | 841 | /* filter tells us which part we left off on */ |
87ab7992 DZ |
842 | switch (filter) { |
843 | case 0: | |
3b6121f6 | 844 | if (!handle_commit_msg(line)) |
d4a9ce78 | 845 | break; |
87ab7992 DZ |
846 | filter++; |
847 | case 1: | |
3b6121f6 LS |
848 | handle_patch(line); |
849 | break; | |
2744b234 LT |
850 | } |
851 | } | |
852 | ||
87ab7992 | 853 | static void handle_body(void) |
1d8fa411 | 854 | { |
3b6121f6 | 855 | struct strbuf prev = STRBUF_INIT; |
d4a9ce78 JH |
856 | |
857 | /* Skip up to the first boundary */ | |
3b6121f6 | 858 | if (*content_top) { |
87ab7992 | 859 | if (!find_boundary()) |
3b6121f6 | 860 | goto handle_body_out; |
87ab7992 DZ |
861 | } |
862 | ||
863 | do { | |
864 | /* process any boundary lines */ | |
3b6121f6 | 865 | if (*content_top && is_multipart_boundary(&line)) { |
87ab7992 | 866 | /* flush any leftover */ |
a9fd1383 JH |
867 | if (prev.len) { |
868 | handle_filter(&prev); | |
869 | strbuf_reset(&prev); | |
870 | } | |
87ab7992 | 871 | if (!handle_boundary()) |
3b6121f6 | 872 | goto handle_body_out; |
87ab7992 DZ |
873 | } |
874 | ||
86747c13 | 875 | /* Unwrap transfer encoding */ |
3b6121f6 | 876 | decode_transfer_encoding(&line); |
87ab7992 DZ |
877 | |
878 | switch (transfer_encoding) { | |
879 | case TE_BASE64: | |
87f1b884 | 880 | case TE_QP: |
87ab7992 | 881 | { |
3b6121f6 LS |
882 | struct strbuf **lines, **it, *sb; |
883 | ||
884 | /* Prepend any previous partial lines */ | |
885 | strbuf_insert(&line, 0, prev.buf, prev.len); | |
886 | strbuf_reset(&prev); | |
87ab7992 DZ |
887 | |
888 | /* binary data most likely doesn't have newlines */ | |
889 | if (message_type != TYPE_TEXT) { | |
3b6121f6 | 890 | handle_filter(&line); |
87ab7992 DZ |
891 | break; |
892 | } | |
9aa23094 JH |
893 | /* |
894 | * This is a decoded line that may contain | |
87ab7992 DZ |
895 | * multiple new lines. Pass only one chunk |
896 | * at a time to handle_filter() | |
897 | */ | |
3b6121f6 LS |
898 | lines = strbuf_split(&line, '\n'); |
899 | for (it = lines; (sb = *it); it++) { | |
900 | if (*(it + 1) == NULL) /* The last line */ | |
901 | if (sb->buf[sb->len - 1] != '\n') { | |
902 | /* Partial line, save it for later. */ | |
903 | strbuf_addbuf(&prev, sb); | |
904 | break; | |
905 | } | |
906 | handle_filter(sb); | |
907 | } | |
9aa23094 | 908 | /* |
3b6121f6 | 909 | * The partial chunk is saved in "prev" and will be |
9aa23094 | 910 | * appended by the next iteration of read_line_with_nul(). |
87ab7992 | 911 | */ |
3b6121f6 | 912 | strbuf_list_free(lines); |
d4a9ce78 | 913 | break; |
1d8fa411 | 914 | } |
87ab7992 | 915 | default: |
3b6121f6 | 916 | handle_filter(&line); |
d4a9ce78 | 917 | } |
87ab7992 | 918 | |
c8f373a5 | 919 | } while (!strbuf_getwholeline(&line, fin, '\n')); |
3b6121f6 LS |
920 | |
921 | handle_body_out: | |
922 | strbuf_release(&prev); | |
1d8fa411 JH |
923 | } |
924 | ||
3b6121f6 | 925 | static void output_header_lines(FILE *fout, const char *hdr, const struct strbuf *data) |
d7f6bae2 | 926 | { |
3b6121f6 | 927 | const char *sp = data->buf; |
d7f6bae2 | 928 | while (1) { |
3b6121f6 | 929 | char *ep = strchr(sp, '\n'); |
d7f6bae2 JH |
930 | int len; |
931 | if (!ep) | |
3b6121f6 | 932 | len = strlen(sp); |
d7f6bae2 | 933 | else |
3b6121f6 LS |
934 | len = ep - sp; |
935 | fprintf(fout, "%s: %.*s\n", hdr, len, sp); | |
d7f6bae2 JH |
936 | if (!ep) |
937 | break; | |
3b6121f6 | 938 | sp = ep + 1; |
d7f6bae2 JH |
939 | } |
940 | } | |
941 | ||
87ab7992 | 942 | static void handle_info(void) |
2744b234 | 943 | { |
3b6121f6 | 944 | struct strbuf *hdr; |
87ab7992 DZ |
945 | int i; |
946 | ||
947 | for (i = 0; header[i]; i++) { | |
87ab7992 DZ |
948 | /* only print inbody headers if we output a patch file */ |
949 | if (patch_lines && s_hdr_data[i]) | |
950 | hdr = s_hdr_data[i]; | |
951 | else if (p_hdr_data[i]) | |
952 | hdr = p_hdr_data[i]; | |
953 | else | |
954 | continue; | |
955 | ||
956 | if (!memcmp(header[i], "Subject", 7)) { | |
3b6121f6 LS |
957 | if (!keep_subject) { |
958 | cleanup_subject(hdr); | |
959 | cleanup_space(hdr); | |
d7f6bae2 | 960 | } |
3b6121f6 | 961 | output_header_lines(fout, "Subject", hdr); |
87ab7992 | 962 | } else if (!memcmp(header[i], "From", 4)) { |
ddfb3696 | 963 | cleanup_space(hdr); |
87ab7992 | 964 | handle_from(hdr); |
3b6121f6 LS |
965 | fprintf(fout, "Author: %s\n", name.buf); |
966 | fprintf(fout, "Email: %s\n", email.buf); | |
87ab7992 DZ |
967 | } else { |
968 | cleanup_space(hdr); | |
3b6121f6 | 969 | fprintf(fout, "%s: %s\n", header[i], hdr->buf); |
87ab7992 | 970 | } |
d4a9ce78 | 971 | } |
87ab7992 | 972 | fprintf(fout, "\n"); |
2744b234 LT |
973 | } |
974 | ||
606417bc | 975 | static int mailinfo(FILE *in, FILE *out, const char *msg, const char *patch) |
34488e3c | 976 | { |
f88a545a | 977 | int peek; |
34488e3c LS |
978 | fin = in; |
979 | fout = out; | |
980 | ||
981 | cmitmsg = fopen(msg, "w"); | |
982 | if (!cmitmsg) { | |
983 | perror(msg); | |
984 | return -1; | |
985 | } | |
986 | patchfile = fopen(patch, "w"); | |
987 | if (!patchfile) { | |
988 | perror(patch); | |
989 | fclose(cmitmsg); | |
990 | return -1; | |
991 | } | |
87ab7992 | 992 | |
3b6121f6 LS |
993 | p_hdr_data = xcalloc(MAX_HDR_PARSED, sizeof(*p_hdr_data)); |
994 | s_hdr_data = xcalloc(MAX_HDR_PARSED, sizeof(*s_hdr_data)); | |
87ab7992 | 995 | |
f88a545a SS |
996 | do { |
997 | peek = fgetc(in); | |
998 | } while (isspace(peek)); | |
999 | ungetc(peek, in); | |
1000 | ||
87ab7992 | 1001 | /* process the email header */ |
3b6121f6 LS |
1002 | while (read_one_header_line(&line, fin)) |
1003 | check_header(&line, p_hdr_data, 1); | |
87ab7992 DZ |
1004 | |
1005 | handle_body(); | |
1006 | handle_info(); | |
34488e3c LS |
1007 | |
1008 | return 0; | |
1009 | } | |
1010 | ||
43485d3d JH |
1011 | static int git_mailinfo_config(const char *var, const char *value, void *unused) |
1012 | { | |
1013 | if (prefixcmp(var, "mailinfo.")) | |
1014 | return git_default_config(var, value, unused); | |
1015 | if (!strcmp(var, "mailinfo.scissors")) { | |
1016 | use_scissors = git_config_bool(var, value); | |
1017 | return 0; | |
1018 | } | |
1019 | /* perhaps others here */ | |
1020 | return 0; | |
1021 | } | |
1022 | ||
6bff6a60 | 1023 | static const char mailinfo_usage[] = |
d268cb94 | 1024 | "git mailinfo [-k|-b] [-u | --encoding=<encoding> | -n] [--scissors | --no-scissors] msg patch < mail >info"; |
d4a9ce78 | 1025 | |
a633fca0 | 1026 | int cmd_mailinfo(int argc, const char **argv, const char *prefix) |
2744b234 | 1027 | { |
bb1091a4 JH |
1028 | const char *def_charset; |
1029 | ||
f1f909e3 JH |
1030 | /* NEEDSWORK: might want to do the optional .git/ directory |
1031 | * discovery | |
1032 | */ | |
43485d3d | 1033 | git_config(git_mailinfo_config, NULL); |
f1f909e3 | 1034 | |
330db18c | 1035 | def_charset = (git_commit_encoding ? git_commit_encoding : "UTF-8"); |
bb1091a4 JH |
1036 | metainfo_charset = def_charset; |
1037 | ||
6bff6a60 JH |
1038 | while (1 < argc && argv[1][0] == '-') { |
1039 | if (!strcmp(argv[1], "-k")) | |
1040 | keep_subject = 1; | |
17635fc9 JH |
1041 | else if (!strcmp(argv[1], "-b")) |
1042 | keep_non_patch_brackets_in_subject = 1; | |
d4a9ce78 | 1043 | else if (!strcmp(argv[1], "-u")) |
bb1091a4 JH |
1044 | metainfo_charset = def_charset; |
1045 | else if (!strcmp(argv[1], "-n")) | |
1046 | metainfo_charset = NULL; | |
cc44c765 | 1047 | else if (!prefixcmp(argv[1], "--encoding=")) |
9f63892b | 1048 | metainfo_charset = argv[1] + 11; |
017678b4 JH |
1049 | else if (!strcmp(argv[1], "--scissors")) |
1050 | use_scissors = 1; | |
1051 | else if (!strcmp(argv[1], "--no-scissors")) | |
1052 | use_scissors = 0; | |
d25e5159 LS |
1053 | else if (!strcmp(argv[1], "--no-inbody-headers")) |
1054 | use_inbody_headers = 0; | |
d4a9ce78 | 1055 | else |
f1f909e3 | 1056 | usage(mailinfo_usage); |
6bff6a60 JH |
1057 | argc--; argv++; |
1058 | } | |
1059 | ||
a196d8d4 | 1060 | if (argc != 3) |
f1f909e3 | 1061 | usage(mailinfo_usage); |
34488e3c | 1062 | |
606417bc | 1063 | return !!mailinfo(stdin, stdout, argv[1], argv[2]); |
2744b234 | 1064 | } |