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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 | |
173aef7c | 10 | static FILE *cmitmsg, *patchfile; |
2744b234 | 11 | |
96f1e58f | 12 | static const char *metainfo_charset; |
c69f2395 JH |
13 | |
14 | struct mailinfo { | |
173aef7c JH |
15 | FILE *input; |
16 | FILE *output; | |
17 | ||
c69f2395 JH |
18 | struct strbuf name; |
19 | struct strbuf email; | |
849106d5 JH |
20 | int keep_subject; |
21 | int keep_non_patch_brackets_in_subject; | |
13c6df26 | 22 | |
43550efa | 23 | int patch_lines; |
13c6df26 JH |
24 | int filter_stage; /* still reading log or are we copying patch? */ |
25 | int header_stage; /* still checking in-body headers? */ | |
c69f2395 | 26 | }; |
452dfbed | 27 | static char *message_id; |
2744b234 | 28 | |
d4a9ce78 | 29 | static enum { |
4b05548f | 30 | TE_DONTCARE, TE_QP, TE_BASE64 |
d4a9ce78 | 31 | } transfer_encoding; |
d4a9ce78 | 32 | |
3b6121f6 | 33 | static struct strbuf charset = STRBUF_INIT; |
3b6121f6 | 34 | static struct strbuf **p_hdr_data, **s_hdr_data; |
017678b4 | 35 | static int use_scissors; |
452dfbed | 36 | static int add_message_id; |
d25e5159 | 37 | static int use_inbody_headers = 1; |
87ab7992 | 38 | |
87ab7992 | 39 | #define MAX_BOUNDARIES 5 |
d4a9ce78 | 40 | |
30f50c34 JH |
41 | static void cleanup_space(struct strbuf *sb) |
42 | { | |
43 | size_t pos, cnt; | |
44 | for (pos = 0; pos < sb->len; pos++) { | |
45 | if (isspace(sb->buf[pos])) { | |
46 | sb->buf[pos] = ' '; | |
47 | for (cnt = 0; isspace(sb->buf[pos + cnt + 1]); cnt++); | |
48 | strbuf_remove(sb, pos + 1, cnt); | |
49 | } | |
50 | } | |
51 | } | |
08e6710f | 52 | |
3b6121f6 | 53 | static void get_sane_name(struct strbuf *out, struct strbuf *name, struct strbuf *email) |
2744b234 | 54 | { |
3b6121f6 LS |
55 | struct strbuf *src = name; |
56 | if (name->len < 3 || 60 < name->len || strchr(name->buf, '@') || | |
57 | strchr(name->buf, '<') || strchr(name->buf, '>')) | |
58 | src = email; | |
59 | else if (name == out) | |
60 | return; | |
61 | strbuf_reset(out); | |
62 | strbuf_addbuf(out, src); | |
2744b234 LT |
63 | } |
64 | ||
c69f2395 | 65 | static void parse_bogus_from(struct mailinfo *mi, const struct strbuf *line) |
e0e3ba20 JH |
66 | { |
67 | /* John Doe <johndoe> */ | |
e0e3ba20 | 68 | |
3b6121f6 | 69 | char *bra, *ket; |
e0e3ba20 JH |
70 | /* This is fallback, so do not bother if we already have an |
71 | * e-mail address. | |
34488e3c | 72 | */ |
c69f2395 | 73 | if (mi->email.len) |
3b6121f6 | 74 | return; |
e0e3ba20 | 75 | |
3b6121f6 | 76 | bra = strchr(line->buf, '<'); |
e0e3ba20 | 77 | if (!bra) |
3b6121f6 | 78 | return; |
e0e3ba20 JH |
79 | ket = strchr(bra, '>'); |
80 | if (!ket) | |
3b6121f6 | 81 | return; |
e0e3ba20 | 82 | |
c69f2395 JH |
83 | strbuf_reset(&mi->email); |
84 | strbuf_add(&mi->email, bra + 1, ket - bra - 1); | |
3b6121f6 | 85 | |
c69f2395 JH |
86 | strbuf_reset(&mi->name); |
87 | strbuf_add(&mi->name, line->buf, bra - line->buf); | |
88 | strbuf_trim(&mi->name); | |
89 | get_sane_name(&mi->name, &mi->name, &mi->email); | |
e0e3ba20 JH |
90 | } |
91 | ||
c69f2395 | 92 | static void handle_from(struct mailinfo *mi, const struct strbuf *from) |
2744b234 | 93 | { |
2dec02b1 | 94 | char *at; |
3b6121f6 LS |
95 | size_t el; |
96 | struct strbuf f; | |
2744b234 | 97 | |
3b6121f6 LS |
98 | strbuf_init(&f, from->len); |
99 | strbuf_addbuf(&f, from); | |
100 | ||
101 | at = strchr(f.buf, '@'); | |
102 | if (!at) { | |
c69f2395 | 103 | parse_bogus_from(mi, from); |
3b6121f6 LS |
104 | return; |
105 | } | |
2744b234 LT |
106 | |
107 | /* | |
108 | * If we already have one email, don't take any confusing lines | |
109 | */ | |
c69f2395 | 110 | if (mi->email.len && strchr(at + 1, '@')) { |
3b6121f6 LS |
111 | strbuf_release(&f); |
112 | return; | |
113 | } | |
2744b234 | 114 | |
d4a9ce78 | 115 | /* Pick up the string around '@', possibly delimited with <> |
3b6121f6 | 116 | * pair; that is the email part. |
d4a9ce78 | 117 | */ |
3b6121f6 | 118 | while (at > f.buf) { |
2744b234 | 119 | char c = at[-1]; |
d4a9ce78 JH |
120 | if (isspace(c)) |
121 | break; | |
122 | if (c == '<') { | |
123 | at[-1] = ' '; | |
2744b234 | 124 | break; |
d4a9ce78 | 125 | } |
2744b234 LT |
126 | at--; |
127 | } | |
3b6121f6 | 128 | el = strcspn(at, " \n\t\r\v\f>"); |
c69f2395 JH |
129 | strbuf_reset(&mi->email); |
130 | strbuf_add(&mi->email, at, el); | |
e9d7d10a | 131 | strbuf_remove(&f, at - f.buf, el + (at[el] ? 1 : 0)); |
2744b234 | 132 | |
08e6710f KS |
133 | /* The remainder is name. It could be |
134 | * | |
135 | * - "John Doe <john.doe@xz>" (a), or | |
136 | * - "john.doe@xz (John Doe)" (b), or | |
137 | * - "John (zzz) Doe <john.doe@xz> (Comment)" (c) | |
138 | * | |
139 | * but we have removed the email part, so | |
140 | * | |
141 | * - remove extra spaces which could stay after email (case 'c'), and | |
142 | * - trim from both ends, possibly removing the () pair at the end | |
143 | * (cases 'a' and 'b'). | |
d4a9ce78 | 144 | */ |
08e6710f | 145 | cleanup_space(&f); |
3b6121f6 | 146 | strbuf_trim(&f); |
0d4ede9f PB |
147 | if (f.buf[0] == '(' && f.len && f.buf[f.len - 1] == ')') { |
148 | strbuf_remove(&f, 0, 1); | |
3b6121f6 | 149 | strbuf_setlen(&f, f.len - 1); |
0d4ede9f | 150 | } |
2744b234 | 151 | |
c69f2395 | 152 | get_sane_name(&mi->name, &f, &mi->email); |
3b6121f6 | 153 | strbuf_release(&f); |
2744b234 LT |
154 | } |
155 | ||
3b6121f6 | 156 | static void handle_header(struct strbuf **out, const struct strbuf *line) |
62c1f6b4 | 157 | { |
3b6121f6 LS |
158 | if (!*out) { |
159 | *out = xmalloc(sizeof(struct strbuf)); | |
160 | strbuf_init(*out, line->len); | |
161 | } else | |
162 | strbuf_reset(*out); | |
87ab7992 | 163 | |
3b6121f6 | 164 | strbuf_addbuf(*out, line); |
d4a9ce78 JH |
165 | } |
166 | ||
167 | /* NOTE NOTE NOTE. We do not claim we do full MIME. We just attempt | |
168 | * to have enough heuristics to grok MIME encoded patches often found | |
169 | * on our mailing lists. For example, we do not even treat header lines | |
170 | * case insensitively. | |
171 | */ | |
172 | ||
3b6121f6 | 173 | static int slurp_attr(const char *line, const char *name, struct strbuf *attr) |
d4a9ce78 | 174 | { |
554fe20d | 175 | const char *ends, *ap = strcasestr(line, name); |
d4a9ce78 JH |
176 | size_t sz; |
177 | ||
176943b9 JH |
178 | strbuf_setlen(attr, 0); |
179 | if (!ap) | |
d4a9ce78 | 180 | return 0; |
d4a9ce78 JH |
181 | ap += strlen(name); |
182 | if (*ap == '"') { | |
183 | ap++; | |
184 | ends = "\""; | |
185 | } | |
186 | else | |
187 | ends = "; \t"; | |
188 | sz = strcspn(ap, ends); | |
3b6121f6 | 189 | strbuf_add(attr, ap, sz); |
d4a9ce78 JH |
190 | return 1; |
191 | } | |
192 | ||
3b6121f6 | 193 | static struct strbuf *content[MAX_BOUNDARIES]; |
87ab7992 | 194 | |
3b6121f6 | 195 | static struct strbuf **content_top = content; |
87ab7992 | 196 | |
3b6121f6 | 197 | static void handle_content_type(struct strbuf *line) |
d4a9ce78 | 198 | { |
3b6121f6 LS |
199 | struct strbuf *boundary = xmalloc(sizeof(struct strbuf)); |
200 | strbuf_init(boundary, line->len); | |
87ab7992 | 201 | |
3b6121f6 LS |
202 | if (slurp_attr(line->buf, "boundary=", boundary)) { |
203 | strbuf_insert(boundary, 0, "--", 2); | |
b6af8ed1 | 204 | if (++content_top >= &content[MAX_BOUNDARIES]) { |
87ab7992 DZ |
205 | fprintf(stderr, "Too many boundaries to handle\n"); |
206 | exit(1); | |
207 | } | |
3b6121f6 LS |
208 | *content_top = boundary; |
209 | boundary = NULL; | |
b893f091 | 210 | } |
ed1e3985 | 211 | slurp_attr(line->buf, "charset=", &charset); |
3b6121f6 LS |
212 | |
213 | if (boundary) { | |
214 | strbuf_release(boundary); | |
215 | free(boundary); | |
d4a9ce78 | 216 | } |
d4a9ce78 JH |
217 | } |
218 | ||
452dfbed PB |
219 | static void handle_message_id(const struct strbuf *line) |
220 | { | |
221 | if (add_message_id) | |
222 | message_id = strdup(line->buf); | |
223 | } | |
224 | ||
3b6121f6 | 225 | static void handle_content_transfer_encoding(const struct strbuf *line) |
d4a9ce78 | 226 | { |
3b6121f6 | 227 | if (strcasestr(line->buf, "base64")) |
d4a9ce78 | 228 | transfer_encoding = TE_BASE64; |
3b6121f6 | 229 | else if (strcasestr(line->buf, "quoted-printable")) |
d4a9ce78 JH |
230 | transfer_encoding = TE_QP; |
231 | else | |
232 | transfer_encoding = TE_DONTCARE; | |
2744b234 LT |
233 | } |
234 | ||
3b6121f6 | 235 | static int is_multipart_boundary(const struct strbuf *line) |
d4a9ce78 | 236 | { |
a9fd1383 JH |
237 | return (((*content_top)->len <= line->len) && |
238 | !memcmp(line->buf, (*content_top)->buf, (*content_top)->len)); | |
d4a9ce78 JH |
239 | } |
240 | ||
849106d5 | 241 | static void cleanup_subject(struct mailinfo *mi, struct strbuf *subject) |
2744b234 | 242 | { |
17635fc9 JH |
243 | size_t at = 0; |
244 | ||
245 | while (at < subject->len) { | |
246 | char *pos; | |
247 | size_t remove; | |
248 | ||
249 | switch (subject->buf[at]) { | |
2744b234 | 250 | case 'r': case 'R': |
17635fc9 | 251 | if (subject->len <= at + 3) |
3b6121f6 | 252 | break; |
d5b4d80d JH |
253 | if ((subject->buf[at + 1] == 'e' || |
254 | subject->buf[at + 1] == 'E') && | |
255 | subject->buf[at + 2] == ':') { | |
17635fc9 | 256 | strbuf_remove(subject, at, 3); |
2744b234 LT |
257 | continue; |
258 | } | |
17635fc9 | 259 | at++; |
2744b234 LT |
260 | break; |
261 | case ' ': case '\t': case ':': | |
17635fc9 | 262 | strbuf_remove(subject, at, 1); |
2744b234 | 263 | continue; |
2744b234 | 264 | case '[': |
17635fc9 JH |
265 | pos = strchr(subject->buf + at, ']'); |
266 | if (!pos) | |
267 | break; | |
268 | remove = pos - subject->buf + at + 1; | |
849106d5 | 269 | if (!mi->keep_non_patch_brackets_in_subject || |
17635fc9 JH |
270 | (7 <= remove && |
271 | memmem(subject->buf + at, remove, "PATCH", 5))) | |
272 | strbuf_remove(subject, at, remove); | |
ee2d1cb4 | 273 | else { |
17635fc9 | 274 | at += remove; |
ee2d1cb4 TR |
275 | /* |
276 | * If the input had a space after the ], keep | |
277 | * it. We don't bother with finding the end of | |
278 | * the space, since we later normalize it | |
279 | * anyway. | |
280 | */ | |
281 | if (isspace(subject->buf[at])) | |
282 | at += 1; | |
283 | } | |
17635fc9 | 284 | continue; |
2744b234 | 285 | } |
17635fc9 | 286 | break; |
2744b234 | 287 | } |
17635fc9 | 288 | strbuf_trim(subject); |
34488e3c | 289 | } |
2744b234 | 290 | |
c1b40bd7 | 291 | #define MAX_HDR_PARSED 10 |
538dfe73 | 292 | static const char *header[MAX_HDR_PARSED] = { |
87ab7992 | 293 | "From","Subject","Date", |
d4a9ce78 JH |
294 | }; |
295 | ||
3b6121f6 | 296 | static inline int cmp_header(const struct strbuf *line, const char *hdr) |
d4a9ce78 | 297 | { |
3b6121f6 LS |
298 | int len = strlen(hdr); |
299 | return !strncasecmp(line->buf, hdr, len) && line->len > len && | |
300 | line->buf[len] == ':' && isspace(line->buf[len + 1]); | |
301 | } | |
d4a9ce78 | 302 | |
2da1f366 JK |
303 | static int is_format_patch_separator(const char *line, int len) |
304 | { | |
85de86a1 ES |
305 | static const char SAMPLE[] = |
306 | "From e6807f3efca28b30decfecb1732a56c7db1137ee Mon Sep 17 00:00:00 2001\n"; | |
2da1f366 JK |
307 | const char *cp; |
308 | ||
309 | if (len != strlen(SAMPLE)) | |
310 | return 0; | |
311 | if (!skip_prefix(line, "From ", &cp)) | |
312 | return 0; | |
313 | if (strspn(cp, "0123456789abcdef") != 40) | |
314 | return 0; | |
315 | cp += 40; | |
316 | return !memcmp(SAMPLE + (cp - line), cp, strlen(SAMPLE) - (cp - line)); | |
317 | } | |
318 | ||
3b6121f6 | 319 | static struct strbuf *decode_q_segment(const struct strbuf *q_seg, int rfc2047) |
d4a9ce78 | 320 | { |
3b6121f6 | 321 | const char *in = q_seg->buf; |
d4a9ce78 | 322 | int c; |
3b6121f6 LS |
323 | struct strbuf *out = xmalloc(sizeof(struct strbuf)); |
324 | strbuf_init(out, q_seg->len); | |
325 | ||
326 | while ((c = *in++) != 0) { | |
d4a9ce78 JH |
327 | if (c == '=') { |
328 | int d = *in++; | |
329 | if (d == '\n' || !d) | |
330 | break; /* drop trailing newline */ | |
3b6121f6 | 331 | strbuf_addch(out, (hexval(d) << 4) | hexval(*in++)); |
75731930 | 332 | continue; |
d4a9ce78 | 333 | } |
75731930 JH |
334 | if (rfc2047 && c == '_') /* rfc2047 4.2 (2) */ |
335 | c = 0x20; | |
3b6121f6 | 336 | strbuf_addch(out, c); |
d4a9ce78 | 337 | } |
3b6121f6 | 338 | return out; |
d4a9ce78 JH |
339 | } |
340 | ||
3b6121f6 | 341 | static struct strbuf *decode_b_segment(const struct strbuf *b_seg) |
d4a9ce78 JH |
342 | { |
343 | /* Decode in..ep, possibly in-place to ot */ | |
344 | int c, pos = 0, acc = 0; | |
3b6121f6 LS |
345 | const char *in = b_seg->buf; |
346 | struct strbuf *out = xmalloc(sizeof(struct strbuf)); | |
347 | strbuf_init(out, b_seg->len); | |
d4a9ce78 | 348 | |
3b6121f6 | 349 | while ((c = *in++) != 0) { |
d4a9ce78 JH |
350 | if (c == '+') |
351 | c = 62; | |
352 | else if (c == '/') | |
353 | c = 63; | |
354 | else if ('A' <= c && c <= 'Z') | |
355 | c -= 'A'; | |
356 | else if ('a' <= c && c <= 'z') | |
357 | c -= 'a' - 26; | |
358 | else if ('0' <= c && c <= '9') | |
359 | c -= '0' - 52; | |
d4a9ce78 JH |
360 | else |
361 | continue; /* garbage */ | |
362 | switch (pos++) { | |
363 | case 0: | |
364 | acc = (c << 2); | |
365 | break; | |
366 | case 1: | |
3b6121f6 | 367 | strbuf_addch(out, (acc | (c >> 4))); |
d4a9ce78 JH |
368 | acc = (c & 15) << 4; |
369 | break; | |
370 | case 2: | |
3b6121f6 | 371 | strbuf_addch(out, (acc | (c >> 2))); |
d4a9ce78 JH |
372 | acc = (c & 3) << 6; |
373 | break; | |
374 | case 3: | |
3b6121f6 | 375 | strbuf_addch(out, (acc | c)); |
d4a9ce78 JH |
376 | acc = pos = 0; |
377 | break; | |
378 | } | |
379 | } | |
3b6121f6 | 380 | return out; |
d4a9ce78 JH |
381 | } |
382 | ||
3b6121f6 | 383 | static void convert_to_utf8(struct strbuf *line, const char *charset) |
d4a9ce78 | 384 | { |
b59d398b LT |
385 | char *out; |
386 | ||
08a94a14 LT |
387 | if (!charset || !*charset) |
388 | return; | |
b45974a6 | 389 | |
0e18bcd5 | 390 | if (same_encoding(metainfo_charset, charset)) |
7296096c | 391 | return; |
3b6121f6 | 392 | out = reencode_string(line->buf, metainfo_charset, charset); |
bb1091a4 | 393 | if (!out) |
d7530708 | 394 | die("cannot convert from %s to %s", |
b59d398b | 395 | charset, metainfo_charset); |
3b6121f6 | 396 | strbuf_attach(line, out, strlen(out), strlen(out)); |
d4a9ce78 JH |
397 | } |
398 | ||
3a8fcdaf | 399 | static void decode_header(struct strbuf *it) |
d4a9ce78 | 400 | { |
3b6121f6 LS |
401 | char *in, *ep, *cp; |
402 | struct strbuf outbuf = STRBUF_INIT, *dec; | |
403 | struct strbuf charset_q = STRBUF_INIT, piecebuf = STRBUF_INIT; | |
d4a9ce78 | 404 | |
3b6121f6 LS |
405 | in = it->buf; |
406 | while (in - it->buf <= it->len && (ep = strstr(in, "=?")) != NULL) { | |
407 | int encoding; | |
408 | strbuf_reset(&charset_q); | |
409 | strbuf_reset(&piecebuf); | |
b75bf2c3 | 410 | |
d4a9ce78 | 411 | if (in != ep) { |
353aaf2f KS |
412 | /* |
413 | * We are about to process an encoded-word | |
414 | * that begins at ep, but there is something | |
415 | * before the encoded word. | |
416 | */ | |
417 | char *scan; | |
418 | for (scan = in; scan < ep; scan++) | |
419 | if (!isspace(*scan)) | |
420 | break; | |
421 | ||
422 | if (scan != ep || in == it->buf) { | |
423 | /* | |
424 | * We should not lose that "something", | |
425 | * unless we have just processed an | |
426 | * encoded-word, and there is only LWS | |
427 | * before the one we are about to process. | |
428 | */ | |
429 | strbuf_add(&outbuf, in, ep - in); | |
430 | } | |
d4a9ce78 JH |
431 | } |
432 | /* E.g. | |
433 | * ep : "=?iso-2022-jp?B?GyR...?= foo" | |
434 | * ep : "=?ISO-8859-1?Q?Foo=FCbar?= baz" | |
435 | */ | |
436 | ep += 2; | |
3b6121f6 LS |
437 | |
438 | if (ep - it->buf >= it->len || !(cp = strchr(ep, '?'))) | |
3a8fcdaf | 439 | goto release_return; |
3b6121f6 LS |
440 | |
441 | if (cp + 3 - it->buf > it->len) | |
3a8fcdaf | 442 | goto release_return; |
3b6121f6 | 443 | strbuf_add(&charset_q, ep, cp - ep); |
3b6121f6 | 444 | |
d4a9ce78 JH |
445 | encoding = cp[1]; |
446 | if (!encoding || cp[2] != '?') | |
3a8fcdaf | 447 | goto release_return; |
d4a9ce78 JH |
448 | ep = strstr(cp + 3, "?="); |
449 | if (!ep) | |
3a8fcdaf | 450 | goto release_return; |
3b6121f6 | 451 | strbuf_add(&piecebuf, cp + 3, ep - cp - 3); |
d4a9ce78 JH |
452 | switch (tolower(encoding)) { |
453 | default: | |
3a8fcdaf | 454 | goto release_return; |
d4a9ce78 | 455 | case 'b': |
3b6121f6 | 456 | dec = decode_b_segment(&piecebuf); |
d4a9ce78 JH |
457 | break; |
458 | case 'q': | |
3b6121f6 | 459 | dec = decode_q_segment(&piecebuf, 1); |
d4a9ce78 JH |
460 | break; |
461 | } | |
650e4be5 | 462 | if (metainfo_charset) |
3b6121f6 | 463 | convert_to_utf8(dec, charset_q.buf); |
8dabdfcc | 464 | |
3b6121f6 LS |
465 | strbuf_addbuf(&outbuf, dec); |
466 | strbuf_release(dec); | |
467 | free(dec); | |
d4a9ce78 JH |
468 | in = ep + 2; |
469 | } | |
3b6121f6 LS |
470 | strbuf_addstr(&outbuf, in); |
471 | strbuf_reset(it); | |
472 | strbuf_addbuf(it, &outbuf); | |
3a8fcdaf | 473 | release_return: |
3b6121f6 LS |
474 | strbuf_release(&outbuf); |
475 | strbuf_release(&charset_q); | |
476 | strbuf_release(&piecebuf); | |
d4a9ce78 JH |
477 | } |
478 | ||
4f0f9d46 JH |
479 | static int check_header(const struct strbuf *line, |
480 | struct strbuf *hdr_data[], int overwrite) | |
481 | { | |
482 | int i, ret = 0, len; | |
483 | struct strbuf sb = STRBUF_INIT; | |
484 | /* search for the interesting parts */ | |
485 | for (i = 0; header[i]; i++) { | |
486 | int len = strlen(header[i]); | |
487 | if ((!hdr_data[i] || overwrite) && cmp_header(line, header[i])) { | |
488 | /* Unwrap inline B and Q encoding, and optionally | |
489 | * normalize the meta information to utf8. | |
490 | */ | |
491 | strbuf_add(&sb, line->buf + len + 2, line->len - len - 2); | |
492 | decode_header(&sb); | |
493 | handle_header(&hdr_data[i], &sb); | |
494 | ret = 1; | |
495 | goto check_header_out; | |
496 | } | |
497 | } | |
498 | ||
499 | /* Content stuff */ | |
500 | if (cmp_header(line, "Content-Type")) { | |
501 | len = strlen("Content-Type: "); | |
502 | strbuf_add(&sb, line->buf + len, line->len - len); | |
503 | decode_header(&sb); | |
504 | strbuf_insert(&sb, 0, "Content-Type: ", len); | |
505 | handle_content_type(&sb); | |
506 | ret = 1; | |
507 | goto check_header_out; | |
508 | } | |
509 | if (cmp_header(line, "Content-Transfer-Encoding")) { | |
510 | len = strlen("Content-Transfer-Encoding: "); | |
511 | strbuf_add(&sb, line->buf + len, line->len - len); | |
512 | decode_header(&sb); | |
513 | handle_content_transfer_encoding(&sb); | |
514 | ret = 1; | |
515 | goto check_header_out; | |
516 | } | |
517 | if (cmp_header(line, "Message-Id")) { | |
518 | len = strlen("Message-Id: "); | |
519 | strbuf_add(&sb, line->buf + len, line->len - len); | |
520 | decode_header(&sb); | |
521 | handle_message_id(&sb); | |
522 | ret = 1; | |
523 | goto check_header_out; | |
524 | } | |
525 | ||
526 | /* for inbody stuff */ | |
527 | if (starts_with(line->buf, ">From") && isspace(line->buf[5])) { | |
528 | ret = is_format_patch_separator(line->buf + 1, line->len - 1); | |
529 | goto check_header_out; | |
530 | } | |
531 | if (starts_with(line->buf, "[PATCH]") && isspace(line->buf[7])) { | |
532 | for (i = 0; header[i]; i++) { | |
533 | if (!strcmp("Subject", header[i])) { | |
534 | handle_header(&hdr_data[i], line); | |
535 | ret = 1; | |
536 | goto check_header_out; | |
537 | } | |
538 | } | |
539 | } | |
540 | ||
541 | check_header_out: | |
542 | strbuf_release(&sb); | |
543 | return ret; | |
544 | } | |
545 | ||
3b6121f6 | 546 | static void decode_transfer_encoding(struct strbuf *line) |
d4a9ce78 | 547 | { |
3b6121f6 | 548 | struct strbuf *ret; |
d4a9ce78 JH |
549 | |
550 | switch (transfer_encoding) { | |
551 | case TE_QP: | |
3b6121f6 LS |
552 | ret = decode_q_segment(line, 0); |
553 | break; | |
d4a9ce78 | 554 | case TE_BASE64: |
3b6121f6 LS |
555 | ret = decode_b_segment(line); |
556 | break; | |
d4a9ce78 | 557 | case TE_DONTCARE: |
9aa23094 | 558 | default: |
3b6121f6 | 559 | return; |
d4a9ce78 | 560 | } |
3b6121f6 LS |
561 | strbuf_reset(line); |
562 | strbuf_addbuf(line, ret); | |
563 | strbuf_release(ret); | |
564 | free(ret); | |
d4a9ce78 JH |
565 | } |
566 | ||
3b6121f6 | 567 | static inline int patchbreak(const struct strbuf *line) |
f0658cf2 | 568 | { |
3b6121f6 LS |
569 | size_t i; |
570 | ||
f0658cf2 | 571 | /* Beginning of a "diff -" header? */ |
59556548 | 572 | if (starts_with(line->buf, "diff -")) |
f0658cf2 DZ |
573 | return 1; |
574 | ||
575 | /* CVS "Index: " line? */ | |
59556548 | 576 | if (starts_with(line->buf, "Index: ")) |
f0658cf2 DZ |
577 | return 1; |
578 | ||
579 | /* | |
580 | * "--- <filename>" starts patches without headers | |
581 | * "---<sp>*" is a manual separator | |
582 | */ | |
3b6121f6 LS |
583 | if (line->len < 4) |
584 | return 0; | |
585 | ||
59556548 | 586 | if (starts_with(line->buf, "---")) { |
f0658cf2 | 587 | /* space followed by a filename? */ |
3b6121f6 | 588 | if (line->buf[3] == ' ' && !isspace(line->buf[4])) |
f0658cf2 DZ |
589 | return 1; |
590 | /* Just whitespace? */ | |
3b6121f6 LS |
591 | for (i = 3; i < line->len; i++) { |
592 | unsigned char c = line->buf[i]; | |
f0658cf2 DZ |
593 | if (c == '\n') |
594 | return 1; | |
595 | if (!isspace(c)) | |
596 | break; | |
597 | } | |
598 | return 0; | |
599 | } | |
600 | return 0; | |
601 | } | |
602 | ||
200c75f0 JH |
603 | static int is_scissors_line(const struct strbuf *line) |
604 | { | |
605 | size_t i, len = line->len; | |
606 | int scissors = 0, gap = 0; | |
607 | int first_nonblank = -1; | |
608 | int last_nonblank = 0, visible, perforation = 0, in_perforation = 0; | |
609 | const char *buf = line->buf; | |
610 | ||
611 | for (i = 0; i < len; i++) { | |
612 | if (isspace(buf[i])) { | |
613 | if (in_perforation) { | |
614 | perforation++; | |
615 | gap++; | |
616 | } | |
617 | continue; | |
618 | } | |
619 | last_nonblank = i; | |
620 | if (first_nonblank < 0) | |
621 | first_nonblank = i; | |
622 | if (buf[i] == '-') { | |
623 | in_perforation = 1; | |
624 | perforation++; | |
625 | continue; | |
626 | } | |
627 | if (i + 1 < len && | |
9974e290 JN |
628 | (!memcmp(buf + i, ">8", 2) || !memcmp(buf + i, "8<", 2) || |
629 | !memcmp(buf + i, ">%", 2) || !memcmp(buf + i, "%<", 2))) { | |
200c75f0 JH |
630 | in_perforation = 1; |
631 | perforation += 2; | |
632 | scissors += 2; | |
633 | i++; | |
634 | continue; | |
635 | } | |
636 | in_perforation = 0; | |
637 | } | |
638 | ||
639 | /* | |
640 | * The mark must be at least 8 bytes long (e.g. "-- >8 --"). | |
641 | * Even though there can be arbitrary cruft on the same line | |
642 | * (e.g. "cut here"), in order to avoid misidentification, the | |
643 | * perforation must occupy more than a third of the visible | |
644 | * width of the line, and dashes and scissors must occupy more | |
645 | * than half of the perforation. | |
646 | */ | |
647 | ||
648 | visible = last_nonblank - first_nonblank + 1; | |
649 | return (scissors && 8 <= visible && | |
650 | visible < perforation * 3 && | |
651 | gap * 2 < perforation); | |
652 | } | |
653 | ||
13c6df26 | 654 | static int handle_commit_msg(struct mailinfo *mi, struct strbuf *line) |
d4a9ce78 JH |
655 | { |
656 | if (!cmitmsg) | |
657 | return 0; | |
2744b234 | 658 | |
13c6df26 | 659 | if (mi->header_stage) { |
470b4526 | 660 | if (!line->len || (line->len == 1 && line->buf[0] == '\n')) |
3b6121f6 | 661 | return 0; |
d25e5159 LS |
662 | } |
663 | ||
13c6df26 JH |
664 | if (use_inbody_headers && mi->header_stage) { |
665 | mi->header_stage = check_header(line, s_hdr_data, 0); | |
666 | if (mi->header_stage) | |
87ab7992 | 667 | return 0; |
d25e5159 LS |
668 | } else |
669 | /* Only trim the first (blank) line of the commit message | |
670 | * when ignoring in-body headers. | |
671 | */ | |
13c6df26 | 672 | mi->header_stage = 0; |
8b4525fb | 673 | |
86747c13 DZ |
674 | /* normalize the log message to UTF-8. */ |
675 | if (metainfo_charset) | |
3b6121f6 | 676 | convert_to_utf8(line, charset.buf); |
86747c13 | 677 | |
017678b4 | 678 | if (use_scissors && is_scissors_line(line)) { |
200c75f0 | 679 | int i; |
1be224ba JH |
680 | if (fseek(cmitmsg, 0L, SEEK_SET)) |
681 | die_errno("Could not rewind output message file"); | |
682 | if (ftruncate(fileno(cmitmsg), 0)) | |
683 | die_errno("Could not truncate output message file at scissors"); | |
13c6df26 | 684 | mi->header_stage = 1; |
200c75f0 JH |
685 | |
686 | /* | |
687 | * We may have already read "secondary headers"; purge | |
688 | * them to give ourselves a clean restart. | |
689 | */ | |
690 | for (i = 0; header[i]; i++) { | |
691 | if (s_hdr_data[i]) | |
692 | strbuf_release(s_hdr_data[i]); | |
693 | s_hdr_data[i] = NULL; | |
694 | } | |
695 | return 0; | |
696 | } | |
697 | ||
f0658cf2 | 698 | if (patchbreak(line)) { |
452dfbed PB |
699 | if (message_id) |
700 | fprintf(cmitmsg, "Message-Id: %s\n", message_id); | |
87ab7992 DZ |
701 | fclose(cmitmsg); |
702 | cmitmsg = NULL; | |
703 | return 1; | |
704 | } | |
8b4525fb | 705 | |
3b6121f6 | 706 | fputs(line->buf, cmitmsg); |
d4a9ce78 | 707 | return 0; |
2744b234 LT |
708 | } |
709 | ||
43550efa | 710 | static void handle_patch(struct mailinfo *mi, const struct strbuf *line) |
2744b234 | 711 | { |
3b6121f6 | 712 | fwrite(line->buf, 1, line->len, patchfile); |
43550efa | 713 | mi->patch_lines++; |
2744b234 LT |
714 | } |
715 | ||
13c6df26 | 716 | static void handle_filter(struct mailinfo *mi, struct strbuf *line) |
2744b234 | 717 | { |
13c6df26 | 718 | switch (mi->filter_stage) { |
87ab7992 | 719 | case 0: |
13c6df26 | 720 | if (!handle_commit_msg(mi, line)) |
d4a9ce78 | 721 | break; |
13c6df26 | 722 | mi->filter_stage++; |
87ab7992 | 723 | case 1: |
43550efa | 724 | handle_patch(mi, line); |
3b6121f6 | 725 | break; |
2744b234 LT |
726 | } |
727 | } | |
728 | ||
9cc243f7 JH |
729 | static int is_rfc2822_header(const struct strbuf *line) |
730 | { | |
731 | /* | |
732 | * The section that defines the loosest possible | |
733 | * field name is "3.6.8 Optional fields". | |
734 | * | |
735 | * optional-field = field-name ":" unstructured CRLF | |
736 | * field-name = 1*ftext | |
737 | * ftext = %d33-57 / %59-126 | |
738 | */ | |
739 | int ch; | |
740 | char *cp = line->buf; | |
741 | ||
742 | /* Count mbox From headers as headers */ | |
743 | if (starts_with(cp, "From ") || starts_with(cp, ">From ")) | |
744 | return 1; | |
745 | ||
746 | while ((ch = *cp++)) { | |
747 | if (ch == ':') | |
748 | return 1; | |
749 | if ((33 <= ch && ch <= 57) || | |
750 | (59 <= ch && ch <= 126)) | |
751 | continue; | |
752 | break; | |
753 | } | |
754 | return 0; | |
755 | } | |
756 | ||
757 | static int read_one_header_line(struct strbuf *line, FILE *in) | |
758 | { | |
759 | struct strbuf continuation = STRBUF_INIT; | |
760 | ||
761 | /* Get the first part of the line. */ | |
762 | if (strbuf_getline(line, in, '\n')) | |
763 | return 0; | |
764 | ||
765 | /* | |
766 | * Is it an empty line or not a valid rfc2822 header? | |
767 | * If so, stop here, and return false ("not a header") | |
768 | */ | |
769 | strbuf_rtrim(line); | |
770 | if (!line->len || !is_rfc2822_header(line)) { | |
771 | /* Re-add the newline */ | |
772 | strbuf_addch(line, '\n'); | |
773 | return 0; | |
774 | } | |
775 | ||
776 | /* | |
777 | * Now we need to eat all the continuation lines.. | |
778 | * Yuck, 2822 header "folding" | |
779 | */ | |
780 | for (;;) { | |
781 | int peek; | |
782 | ||
783 | peek = fgetc(in); ungetc(peek, in); | |
784 | if (peek != ' ' && peek != '\t') | |
785 | break; | |
786 | if (strbuf_getline(&continuation, in, '\n')) | |
787 | break; | |
788 | continuation.buf[0] = ' '; | |
789 | strbuf_rtrim(&continuation); | |
790 | strbuf_addbuf(line, &continuation); | |
791 | } | |
792 | strbuf_release(&continuation); | |
793 | ||
794 | return 1; | |
795 | } | |
796 | ||
173aef7c | 797 | static int find_boundary(struct mailinfo *mi, struct strbuf *line) |
39afcd38 | 798 | { |
173aef7c | 799 | while (!strbuf_getline(line, mi->input, '\n')) { |
fbbcafd0 | 800 | if (*content_top && is_multipart_boundary(line)) |
39afcd38 JH |
801 | return 1; |
802 | } | |
803 | return 0; | |
804 | } | |
805 | ||
13c6df26 | 806 | static int handle_boundary(struct mailinfo *mi, struct strbuf *line) |
39afcd38 JH |
807 | { |
808 | struct strbuf newline = STRBUF_INIT; | |
809 | ||
810 | strbuf_addch(&newline, '\n'); | |
811 | again: | |
69e24def JH |
812 | if (line->len >= (*content_top)->len + 2 && |
813 | !memcmp(line->buf + (*content_top)->len, "--", 2)) { | |
39afcd38 JH |
814 | /* we hit an end boundary */ |
815 | /* pop the current boundary off the stack */ | |
816 | strbuf_release(*content_top); | |
817 | free(*content_top); | |
818 | *content_top = NULL; | |
819 | ||
820 | /* technically won't happen as is_multipart_boundary() | |
821 | will fail first. But just in case.. | |
822 | */ | |
823 | if (--content_top < content) { | |
824 | fprintf(stderr, "Detected mismatched boundaries, " | |
825 | "can't recover\n"); | |
826 | exit(1); | |
827 | } | |
13c6df26 | 828 | handle_filter(mi, &newline); |
39afcd38 JH |
829 | strbuf_release(&newline); |
830 | ||
831 | /* skip to the next boundary */ | |
173aef7c | 832 | if (!find_boundary(mi, line)) |
39afcd38 JH |
833 | return 0; |
834 | goto again; | |
835 | } | |
836 | ||
837 | /* set some defaults */ | |
838 | transfer_encoding = TE_DONTCARE; | |
839 | strbuf_reset(&charset); | |
840 | ||
841 | /* slurp in this section's info */ | |
173aef7c | 842 | while (read_one_header_line(line, mi->input)) |
69e24def | 843 | check_header(line, p_hdr_data, 0); |
39afcd38 JH |
844 | |
845 | strbuf_release(&newline); | |
846 | /* replenish line */ | |
173aef7c | 847 | if (strbuf_getline(line, mi->input, '\n')) |
39afcd38 | 848 | return 0; |
69e24def | 849 | strbuf_addch(line, '\n'); |
39afcd38 JH |
850 | return 1; |
851 | } | |
852 | ||
173aef7c | 853 | static void handle_body(struct mailinfo *mi, struct strbuf *line) |
1d8fa411 | 854 | { |
3b6121f6 | 855 | struct strbuf prev = STRBUF_INIT; |
d4a9ce78 JH |
856 | |
857 | /* Skip up to the first boundary */ | |
3b6121f6 | 858 | if (*content_top) { |
173aef7c | 859 | if (!find_boundary(mi, line)) |
3b6121f6 | 860 | goto handle_body_out; |
87ab7992 DZ |
861 | } |
862 | ||
863 | do { | |
864 | /* process any boundary lines */ | |
fde00d50 | 865 | if (*content_top && is_multipart_boundary(line)) { |
87ab7992 | 866 | /* flush any leftover */ |
a9fd1383 | 867 | if (prev.len) { |
13c6df26 | 868 | handle_filter(mi, &prev); |
a9fd1383 JH |
869 | strbuf_reset(&prev); |
870 | } | |
13c6df26 | 871 | if (!handle_boundary(mi, line)) |
3b6121f6 | 872 | goto handle_body_out; |
87ab7992 DZ |
873 | } |
874 | ||
86747c13 | 875 | /* Unwrap transfer encoding */ |
fde00d50 | 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 */ | |
fde00d50 | 885 | strbuf_insert(line, 0, prev.buf, prev.len); |
3b6121f6 | 886 | strbuf_reset(&prev); |
87ab7992 | 887 | |
9aa23094 JH |
888 | /* |
889 | * This is a decoded line that may contain | |
87ab7992 DZ |
890 | * multiple new lines. Pass only one chunk |
891 | * at a time to handle_filter() | |
892 | */ | |
fde00d50 | 893 | lines = strbuf_split(line, '\n'); |
3b6121f6 LS |
894 | for (it = lines; (sb = *it); it++) { |
895 | if (*(it + 1) == NULL) /* The last line */ | |
896 | if (sb->buf[sb->len - 1] != '\n') { | |
897 | /* Partial line, save it for later. */ | |
898 | strbuf_addbuf(&prev, sb); | |
899 | break; | |
900 | } | |
13c6df26 | 901 | handle_filter(mi, sb); |
3b6121f6 | 902 | } |
9aa23094 | 903 | /* |
3b6121f6 | 904 | * The partial chunk is saved in "prev" and will be |
9aa23094 | 905 | * appended by the next iteration of read_line_with_nul(). |
87ab7992 | 906 | */ |
3b6121f6 | 907 | strbuf_list_free(lines); |
d4a9ce78 | 908 | break; |
1d8fa411 | 909 | } |
87ab7992 | 910 | default: |
13c6df26 | 911 | handle_filter(mi, line); |
d4a9ce78 | 912 | } |
87ab7992 | 913 | |
173aef7c | 914 | } while (!strbuf_getwholeline(line, mi->input, '\n')); |
3b6121f6 LS |
915 | |
916 | handle_body_out: | |
917 | strbuf_release(&prev); | |
1d8fa411 JH |
918 | } |
919 | ||
3b6121f6 | 920 | static void output_header_lines(FILE *fout, const char *hdr, const struct strbuf *data) |
d7f6bae2 | 921 | { |
3b6121f6 | 922 | const char *sp = data->buf; |
d7f6bae2 | 923 | while (1) { |
3b6121f6 | 924 | char *ep = strchr(sp, '\n'); |
d7f6bae2 JH |
925 | int len; |
926 | if (!ep) | |
3b6121f6 | 927 | len = strlen(sp); |
d7f6bae2 | 928 | else |
3b6121f6 LS |
929 | len = ep - sp; |
930 | fprintf(fout, "%s: %.*s\n", hdr, len, sp); | |
d7f6bae2 JH |
931 | if (!ep) |
932 | break; | |
3b6121f6 | 933 | sp = ep + 1; |
d7f6bae2 JH |
934 | } |
935 | } | |
936 | ||
c69f2395 | 937 | static void handle_info(struct mailinfo *mi) |
2744b234 | 938 | { |
3b6121f6 | 939 | struct strbuf *hdr; |
87ab7992 DZ |
940 | int i; |
941 | ||
942 | for (i = 0; header[i]; i++) { | |
87ab7992 | 943 | /* only print inbody headers if we output a patch file */ |
43550efa | 944 | if (mi->patch_lines && s_hdr_data[i]) |
87ab7992 DZ |
945 | hdr = s_hdr_data[i]; |
946 | else if (p_hdr_data[i]) | |
947 | hdr = p_hdr_data[i]; | |
948 | else | |
949 | continue; | |
950 | ||
b1a013dd | 951 | if (!strcmp(header[i], "Subject")) { |
849106d5 JH |
952 | if (!mi->keep_subject) { |
953 | cleanup_subject(mi, hdr); | |
3b6121f6 | 954 | cleanup_space(hdr); |
d7f6bae2 | 955 | } |
173aef7c | 956 | output_header_lines(mi->output, "Subject", hdr); |
b1a013dd | 957 | } else if (!strcmp(header[i], "From")) { |
ddfb3696 | 958 | cleanup_space(hdr); |
c69f2395 | 959 | handle_from(mi, hdr); |
173aef7c JH |
960 | fprintf(mi->output, "Author: %s\n", mi->name.buf); |
961 | fprintf(mi->output, "Email: %s\n", mi->email.buf); | |
87ab7992 DZ |
962 | } else { |
963 | cleanup_space(hdr); | |
173aef7c | 964 | fprintf(mi->output, "%s: %s\n", header[i], hdr->buf); |
87ab7992 | 965 | } |
d4a9ce78 | 966 | } |
173aef7c | 967 | fprintf(mi->output, "\n"); |
2744b234 LT |
968 | } |
969 | ||
173aef7c | 970 | static int mailinfo(struct mailinfo *mi, const char *msg, const char *patch) |
34488e3c | 971 | { |
f88a545a | 972 | int peek; |
6e21b508 JH |
973 | struct strbuf line = STRBUF_INIT; |
974 | ||
34488e3c LS |
975 | cmitmsg = fopen(msg, "w"); |
976 | if (!cmitmsg) { | |
977 | perror(msg); | |
978 | return -1; | |
979 | } | |
980 | patchfile = fopen(patch, "w"); | |
981 | if (!patchfile) { | |
982 | perror(patch); | |
983 | fclose(cmitmsg); | |
984 | return -1; | |
985 | } | |
87ab7992 | 986 | |
3b6121f6 LS |
987 | p_hdr_data = xcalloc(MAX_HDR_PARSED, sizeof(*p_hdr_data)); |
988 | s_hdr_data = xcalloc(MAX_HDR_PARSED, sizeof(*s_hdr_data)); | |
87ab7992 | 989 | |
f88a545a | 990 | do { |
173aef7c | 991 | peek = fgetc(mi->input); |
f88a545a | 992 | } while (isspace(peek)); |
173aef7c | 993 | ungetc(peek, mi->input); |
f88a545a | 994 | |
87ab7992 | 995 | /* process the email header */ |
173aef7c | 996 | while (read_one_header_line(&line, mi->input)) |
3b6121f6 | 997 | check_header(&line, p_hdr_data, 1); |
87ab7992 | 998 | |
173aef7c | 999 | handle_body(mi, &line); |
e38ee06e JH |
1000 | fclose(patchfile); |
1001 | ||
c69f2395 | 1002 | handle_info(mi); |
6e21b508 | 1003 | strbuf_release(&line); |
34488e3c LS |
1004 | return 0; |
1005 | } | |
1006 | ||
43485d3d JH |
1007 | static int git_mailinfo_config(const char *var, const char *value, void *unused) |
1008 | { | |
59556548 | 1009 | if (!starts_with(var, "mailinfo.")) |
43485d3d JH |
1010 | return git_default_config(var, value, unused); |
1011 | if (!strcmp(var, "mailinfo.scissors")) { | |
1012 | use_scissors = git_config_bool(var, value); | |
1013 | return 0; | |
1014 | } | |
1015 | /* perhaps others here */ | |
1016 | return 0; | |
1017 | } | |
1018 | ||
c69f2395 JH |
1019 | static void setup_mailinfo(struct mailinfo *mi) |
1020 | { | |
1021 | memset(mi, 0, sizeof(*mi)); | |
1022 | strbuf_init(&mi->name, 0); | |
1023 | strbuf_init(&mi->email, 0); | |
13c6df26 | 1024 | mi->header_stage = 1; |
c69f2395 JH |
1025 | git_config(git_mailinfo_config, &mi); |
1026 | } | |
1027 | ||
1028 | static void clear_mailinfo(struct mailinfo *mi) | |
1029 | { | |
1030 | strbuf_release(&mi->name); | |
1031 | strbuf_release(&mi->email); | |
1032 | } | |
1033 | ||
6bff6a60 | 1034 | static const char mailinfo_usage[] = |
9c9b4f2f | 1035 | "git mailinfo [-k | -b] [-m | --message-id] [-u | --encoding=<encoding> | -n] [--scissors | --no-scissors] <msg> <patch> < mail >info"; |
d4a9ce78 | 1036 | |
a633fca0 | 1037 | int cmd_mailinfo(int argc, const char **argv, const char *prefix) |
2744b234 | 1038 | { |
bb1091a4 | 1039 | const char *def_charset; |
c69f2395 JH |
1040 | struct mailinfo mi; |
1041 | int status; | |
bb1091a4 | 1042 | |
f1f909e3 JH |
1043 | /* NEEDSWORK: might want to do the optional .git/ directory |
1044 | * discovery | |
1045 | */ | |
c69f2395 | 1046 | setup_mailinfo(&mi); |
f1f909e3 | 1047 | |
a6fa5992 | 1048 | def_charset = get_commit_output_encoding(); |
bb1091a4 JH |
1049 | metainfo_charset = def_charset; |
1050 | ||
6bff6a60 JH |
1051 | while (1 < argc && argv[1][0] == '-') { |
1052 | if (!strcmp(argv[1], "-k")) | |
849106d5 | 1053 | mi.keep_subject = 1; |
17635fc9 | 1054 | else if (!strcmp(argv[1], "-b")) |
849106d5 | 1055 | mi.keep_non_patch_brackets_in_subject = 1; |
452dfbed PB |
1056 | else if (!strcmp(argv[1], "-m") || !strcmp(argv[1], "--message-id")) |
1057 | add_message_id = 1; | |
d4a9ce78 | 1058 | else if (!strcmp(argv[1], "-u")) |
bb1091a4 JH |
1059 | metainfo_charset = def_charset; |
1060 | else if (!strcmp(argv[1], "-n")) | |
1061 | metainfo_charset = NULL; | |
59556548 | 1062 | else if (starts_with(argv[1], "--encoding=")) |
9f63892b | 1063 | metainfo_charset = argv[1] + 11; |
017678b4 JH |
1064 | else if (!strcmp(argv[1], "--scissors")) |
1065 | use_scissors = 1; | |
1066 | else if (!strcmp(argv[1], "--no-scissors")) | |
1067 | use_scissors = 0; | |
d25e5159 LS |
1068 | else if (!strcmp(argv[1], "--no-inbody-headers")) |
1069 | use_inbody_headers = 0; | |
d4a9ce78 | 1070 | else |
f1f909e3 | 1071 | usage(mailinfo_usage); |
6bff6a60 JH |
1072 | argc--; argv++; |
1073 | } | |
1074 | ||
a196d8d4 | 1075 | if (argc != 3) |
f1f909e3 | 1076 | usage(mailinfo_usage); |
34488e3c | 1077 | |
173aef7c JH |
1078 | mi.input = stdin; |
1079 | mi.output = stdout; | |
1080 | status = !!mailinfo(&mi, argv[1], argv[2]); | |
c69f2395 JH |
1081 | clear_mailinfo(&mi); |
1082 | ||
1083 | return status; | |
2744b234 | 1084 | } |