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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 | |
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 | 19 | static enum { |
4b05548f | 20 | TE_DONTCARE, TE_QP, TE_BASE64 |
d4a9ce78 | 21 | } transfer_encoding; |
87ab7992 | 22 | static enum { |
4b05548f | 23 | TYPE_TEXT, TYPE_OTHER |
87ab7992 | 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); | |
ee2d1cb4 | 253 | else { |
17635fc9 | 254 | at += remove; |
ee2d1cb4 TR |
255 | /* |
256 | * If the input had a space after the ], keep | |
257 | * it. We don't bother with finding the end of | |
258 | * the space, since we later normalize it | |
259 | * anyway. | |
260 | */ | |
261 | if (isspace(subject->buf[at])) | |
262 | at += 1; | |
263 | } | |
17635fc9 | 264 | continue; |
2744b234 | 265 | } |
17635fc9 | 266 | break; |
2744b234 | 267 | } |
17635fc9 | 268 | strbuf_trim(subject); |
34488e3c | 269 | } |
2744b234 | 270 | |
3b6121f6 | 271 | static void cleanup_space(struct strbuf *sb) |
2744b234 | 272 | { |
3b6121f6 LS |
273 | size_t pos, cnt; |
274 | for (pos = 0; pos < sb->len; pos++) { | |
275 | if (isspace(sb->buf[pos])) { | |
276 | sb->buf[pos] = ' '; | |
277 | for (cnt = 0; isspace(sb->buf[pos + cnt + 1]); cnt++); | |
278 | strbuf_remove(sb, pos + 1, cnt); | |
2744b234 LT |
279 | } |
280 | } | |
281 | } | |
282 | ||
3b6121f6 | 283 | static void decode_header(struct strbuf *line); |
538dfe73 | 284 | static const char *header[MAX_HDR_PARSED] = { |
87ab7992 | 285 | "From","Subject","Date", |
d4a9ce78 JH |
286 | }; |
287 | ||
3b6121f6 | 288 | static inline int cmp_header(const struct strbuf *line, const char *hdr) |
d4a9ce78 | 289 | { |
3b6121f6 LS |
290 | int len = strlen(hdr); |
291 | return !strncasecmp(line->buf, hdr, len) && line->len > len && | |
292 | line->buf[len] == ':' && isspace(line->buf[len + 1]); | |
293 | } | |
d4a9ce78 | 294 | |
3b6121f6 LS |
295 | static int check_header(const struct strbuf *line, |
296 | struct strbuf *hdr_data[], int overwrite) | |
297 | { | |
298 | int i, ret = 0, len; | |
299 | struct strbuf sb = STRBUF_INIT; | |
87ab7992 DZ |
300 | /* search for the interesting parts */ |
301 | for (i = 0; header[i]; i++) { | |
302 | int len = strlen(header[i]); | |
3b6121f6 | 303 | if ((!hdr_data[i] || overwrite) && cmp_header(line, header[i])) { |
33504530 EB |
304 | /* Unwrap inline B and Q encoding, and optionally |
305 | * normalize the meta information to utf8. | |
306 | */ | |
3b6121f6 LS |
307 | strbuf_add(&sb, line->buf + len + 2, line->len - len - 2); |
308 | decode_header(&sb); | |
309 | handle_header(&hdr_data[i], &sb); | |
310 | ret = 1; | |
311 | goto check_header_out; | |
d4a9ce78 JH |
312 | } |
313 | } | |
d4a9ce78 | 314 | |
87ab7992 | 315 | /* Content stuff */ |
3b6121f6 LS |
316 | if (cmp_header(line, "Content-Type")) { |
317 | len = strlen("Content-Type: "); | |
318 | strbuf_add(&sb, line->buf + len, line->len - len); | |
319 | decode_header(&sb); | |
320 | strbuf_insert(&sb, 0, "Content-Type: ", len); | |
321 | handle_content_type(&sb); | |
322 | ret = 1; | |
323 | goto check_header_out; | |
324 | } | |
325 | if (cmp_header(line, "Content-Transfer-Encoding")) { | |
326 | len = strlen("Content-Transfer-Encoding: "); | |
327 | strbuf_add(&sb, line->buf + len, line->len - len); | |
328 | decode_header(&sb); | |
329 | handle_content_transfer_encoding(&sb); | |
330 | ret = 1; | |
331 | goto check_header_out; | |
87ab7992 DZ |
332 | } |
333 | ||
334 | /* for inbody stuff */ | |
3b6121f6 LS |
335 | if (!prefixcmp(line->buf, ">From") && isspace(line->buf[5])) { |
336 | ret = 1; /* Should this return 0? */ | |
337 | goto check_header_out; | |
338 | } | |
339 | if (!prefixcmp(line->buf, "[PATCH]") && isspace(line->buf[7])) { | |
87ab7992 | 340 | for (i = 0; header[i]; i++) { |
e9fe804a | 341 | if (!memcmp("Subject", header[i], 7)) { |
3b6121f6 LS |
342 | handle_header(&hdr_data[i], line); |
343 | ret = 1; | |
344 | goto check_header_out; | |
87ab7992 DZ |
345 | } |
346 | } | |
347 | } | |
348 | ||
3b6121f6 LS |
349 | check_header_out: |
350 | strbuf_release(&sb); | |
351 | return ret; | |
d4a9ce78 JH |
352 | } |
353 | ||
3b6121f6 | 354 | static int is_rfc2822_header(const struct strbuf *line) |
ef29c117 JH |
355 | { |
356 | /* | |
357 | * The section that defines the loosest possible | |
358 | * field name is "3.6.8 Optional fields". | |
359 | * | |
360 | * optional-field = field-name ":" unstructured CRLF | |
361 | * field-name = 1*ftext | |
362 | * ftext = %d33-57 / %59-126 | |
363 | */ | |
364 | int ch; | |
3b6121f6 | 365 | char *cp = line->buf; |
34fc5cef LT |
366 | |
367 | /* Count mbox From headers as headers */ | |
3b6121f6 | 368 | if (!prefixcmp(cp, "From ") || !prefixcmp(cp, ">From ")) |
34fc5cef LT |
369 | return 1; |
370 | ||
ef29c117 JH |
371 | while ((ch = *cp++)) { |
372 | if (ch == ':') | |
3b6121f6 | 373 | return 1; |
ef29c117 JH |
374 | if ((33 <= ch && ch <= 57) || |
375 | (59 <= ch && ch <= 126)) | |
376 | continue; | |
377 | break; | |
378 | } | |
379 | return 0; | |
380 | } | |
381 | ||
3b6121f6 | 382 | static int read_one_header_line(struct strbuf *line, FILE *in) |
d4a9ce78 | 383 | { |
34fc5cef | 384 | /* Get the first part of the line. */ |
3b6121f6 | 385 | if (strbuf_getline(line, in, '\n')) |
34fc5cef LT |
386 | return 0; |
387 | ||
388 | /* | |
389 | * Is it an empty line or not a valid rfc2822 header? | |
390 | * If so, stop here, and return false ("not a header") | |
391 | */ | |
3b6121f6 LS |
392 | strbuf_rtrim(line); |
393 | if (!line->len || !is_rfc2822_header(line)) { | |
34fc5cef | 394 | /* Re-add the newline */ |
3b6121f6 | 395 | strbuf_addch(line, '\n'); |
34fc5cef LT |
396 | return 0; |
397 | } | |
398 | ||
399 | /* | |
400 | * Now we need to eat all the continuation lines.. | |
401 | * Yuck, 2822 header "folding" | |
402 | */ | |
403 | for (;;) { | |
3b6121f6 LS |
404 | int peek; |
405 | struct strbuf continuation = STRBUF_INIT; | |
34fc5cef | 406 | |
f30b2028 EB |
407 | peek = fgetc(in); ungetc(peek, in); |
408 | if (peek != ' ' && peek != '\t') | |
409 | break; | |
3b6121f6 | 410 | if (strbuf_getline(&continuation, in, '\n')) |
34fc5cef | 411 | break; |
5b38456e | 412 | continuation.buf[0] = ' '; |
3b6121f6 LS |
413 | strbuf_rtrim(&continuation); |
414 | strbuf_addbuf(line, &continuation); | |
d4a9ce78 | 415 | } |
34fc5cef LT |
416 | |
417 | return 1; | |
d4a9ce78 JH |
418 | } |
419 | ||
3b6121f6 | 420 | static struct strbuf *decode_q_segment(const struct strbuf *q_seg, int rfc2047) |
d4a9ce78 | 421 | { |
3b6121f6 | 422 | const char *in = q_seg->buf; |
d4a9ce78 | 423 | int c; |
3b6121f6 LS |
424 | struct strbuf *out = xmalloc(sizeof(struct strbuf)); |
425 | strbuf_init(out, q_seg->len); | |
426 | ||
427 | while ((c = *in++) != 0) { | |
d4a9ce78 JH |
428 | if (c == '=') { |
429 | int d = *in++; | |
430 | if (d == '\n' || !d) | |
431 | break; /* drop trailing newline */ | |
3b6121f6 | 432 | strbuf_addch(out, (hexval(d) << 4) | hexval(*in++)); |
75731930 | 433 | continue; |
d4a9ce78 | 434 | } |
75731930 JH |
435 | if (rfc2047 && c == '_') /* rfc2047 4.2 (2) */ |
436 | c = 0x20; | |
3b6121f6 | 437 | strbuf_addch(out, c); |
d4a9ce78 | 438 | } |
3b6121f6 | 439 | return out; |
d4a9ce78 JH |
440 | } |
441 | ||
3b6121f6 | 442 | static struct strbuf *decode_b_segment(const struct strbuf *b_seg) |
d4a9ce78 JH |
443 | { |
444 | /* Decode in..ep, possibly in-place to ot */ | |
445 | int c, pos = 0, acc = 0; | |
3b6121f6 LS |
446 | const char *in = b_seg->buf; |
447 | struct strbuf *out = xmalloc(sizeof(struct strbuf)); | |
448 | strbuf_init(out, b_seg->len); | |
d4a9ce78 | 449 | |
3b6121f6 | 450 | while ((c = *in++) != 0) { |
d4a9ce78 JH |
451 | if (c == '+') |
452 | c = 62; | |
453 | else if (c == '/') | |
454 | c = 63; | |
455 | else if ('A' <= c && c <= 'Z') | |
456 | c -= 'A'; | |
457 | else if ('a' <= c && c <= 'z') | |
458 | c -= 'a' - 26; | |
459 | else if ('0' <= c && c <= '9') | |
460 | c -= '0' - 52; | |
d4a9ce78 JH |
461 | else |
462 | continue; /* garbage */ | |
463 | switch (pos++) { | |
464 | case 0: | |
465 | acc = (c << 2); | |
466 | break; | |
467 | case 1: | |
3b6121f6 | 468 | strbuf_addch(out, (acc | (c >> 4))); |
d4a9ce78 JH |
469 | acc = (c & 15) << 4; |
470 | break; | |
471 | case 2: | |
3b6121f6 | 472 | strbuf_addch(out, (acc | (c >> 2))); |
d4a9ce78 JH |
473 | acc = (c & 3) << 6; |
474 | break; | |
475 | case 3: | |
3b6121f6 | 476 | strbuf_addch(out, (acc | c)); |
d4a9ce78 JH |
477 | acc = pos = 0; |
478 | break; | |
479 | } | |
480 | } | |
3b6121f6 | 481 | return out; |
d4a9ce78 JH |
482 | } |
483 | ||
3b6121f6 | 484 | static void convert_to_utf8(struct strbuf *line, const char *charset) |
d4a9ce78 | 485 | { |
b59d398b LT |
486 | char *out; |
487 | ||
08a94a14 LT |
488 | if (!charset || !*charset) |
489 | return; | |
ed1e3985 | 490 | if (!strcasecmp(metainfo_charset, charset)) |
7296096c | 491 | return; |
3b6121f6 | 492 | out = reencode_string(line->buf, metainfo_charset, charset); |
bb1091a4 | 493 | if (!out) |
d7530708 | 494 | die("cannot convert from %s to %s", |
b59d398b | 495 | charset, metainfo_charset); |
3b6121f6 | 496 | strbuf_attach(line, out, strlen(out), strlen(out)); |
d4a9ce78 JH |
497 | } |
498 | ||
3b6121f6 | 499 | static int decode_header_bq(struct strbuf *it) |
d4a9ce78 | 500 | { |
3b6121f6 LS |
501 | char *in, *ep, *cp; |
502 | struct strbuf outbuf = STRBUF_INIT, *dec; | |
503 | struct strbuf charset_q = STRBUF_INIT, piecebuf = STRBUF_INIT; | |
b75bf2c3 | 504 | int rfc2047 = 0; |
d4a9ce78 | 505 | |
3b6121f6 LS |
506 | in = it->buf; |
507 | while (in - it->buf <= it->len && (ep = strstr(in, "=?")) != NULL) { | |
508 | int encoding; | |
509 | strbuf_reset(&charset_q); | |
510 | strbuf_reset(&piecebuf); | |
b75bf2c3 JH |
511 | rfc2047 = 1; |
512 | ||
d4a9ce78 | 513 | if (in != ep) { |
353aaf2f KS |
514 | /* |
515 | * We are about to process an encoded-word | |
516 | * that begins at ep, but there is something | |
517 | * before the encoded word. | |
518 | */ | |
519 | char *scan; | |
520 | for (scan = in; scan < ep; scan++) | |
521 | if (!isspace(*scan)) | |
522 | break; | |
523 | ||
524 | if (scan != ep || in == it->buf) { | |
525 | /* | |
526 | * We should not lose that "something", | |
527 | * unless we have just processed an | |
528 | * encoded-word, and there is only LWS | |
529 | * before the one we are about to process. | |
530 | */ | |
531 | strbuf_add(&outbuf, in, ep - in); | |
532 | } | |
d4a9ce78 JH |
533 | } |
534 | /* E.g. | |
535 | * ep : "=?iso-2022-jp?B?GyR...?= foo" | |
536 | * ep : "=?ISO-8859-1?Q?Foo=FCbar?= baz" | |
537 | */ | |
538 | ep += 2; | |
3b6121f6 LS |
539 | |
540 | if (ep - it->buf >= it->len || !(cp = strchr(ep, '?'))) | |
541 | goto decode_header_bq_out; | |
542 | ||
543 | if (cp + 3 - it->buf > it->len) | |
544 | goto decode_header_bq_out; | |
545 | strbuf_add(&charset_q, ep, cp - ep); | |
3b6121f6 | 546 | |
d4a9ce78 JH |
547 | encoding = cp[1]; |
548 | if (!encoding || cp[2] != '?') | |
3b6121f6 | 549 | goto decode_header_bq_out; |
d4a9ce78 JH |
550 | ep = strstr(cp + 3, "?="); |
551 | if (!ep) | |
3b6121f6 LS |
552 | goto decode_header_bq_out; |
553 | strbuf_add(&piecebuf, cp + 3, ep - cp - 3); | |
d4a9ce78 JH |
554 | switch (tolower(encoding)) { |
555 | default: | |
3b6121f6 | 556 | goto decode_header_bq_out; |
d4a9ce78 | 557 | case 'b': |
3b6121f6 | 558 | dec = decode_b_segment(&piecebuf); |
d4a9ce78 JH |
559 | break; |
560 | case 'q': | |
3b6121f6 | 561 | dec = decode_q_segment(&piecebuf, 1); |
d4a9ce78 JH |
562 | break; |
563 | } | |
650e4be5 | 564 | if (metainfo_charset) |
3b6121f6 | 565 | convert_to_utf8(dec, charset_q.buf); |
8dabdfcc | 566 | |
3b6121f6 LS |
567 | strbuf_addbuf(&outbuf, dec); |
568 | strbuf_release(dec); | |
569 | free(dec); | |
d4a9ce78 JH |
570 | in = ep + 2; |
571 | } | |
3b6121f6 LS |
572 | strbuf_addstr(&outbuf, in); |
573 | strbuf_reset(it); | |
574 | strbuf_addbuf(it, &outbuf); | |
575 | decode_header_bq_out: | |
576 | strbuf_release(&outbuf); | |
577 | strbuf_release(&charset_q); | |
578 | strbuf_release(&piecebuf); | |
b75bf2c3 JH |
579 | return rfc2047; |
580 | } | |
581 | ||
3b6121f6 | 582 | static void decode_header(struct strbuf *it) |
b75bf2c3 | 583 | { |
3b6121f6 | 584 | if (decode_header_bq(it)) |
b75bf2c3 JH |
585 | return; |
586 | /* otherwise "it" is a straight copy of the input. | |
587 | * This can be binary guck but there is no charset specified. | |
588 | */ | |
589 | if (metainfo_charset) | |
3b6121f6 | 590 | convert_to_utf8(it, ""); |
d4a9ce78 JH |
591 | } |
592 | ||
3b6121f6 | 593 | static void decode_transfer_encoding(struct strbuf *line) |
d4a9ce78 | 594 | { |
3b6121f6 | 595 | struct strbuf *ret; |
d4a9ce78 JH |
596 | |
597 | switch (transfer_encoding) { | |
598 | case TE_QP: | |
3b6121f6 LS |
599 | ret = decode_q_segment(line, 0); |
600 | break; | |
d4a9ce78 | 601 | case TE_BASE64: |
3b6121f6 LS |
602 | ret = decode_b_segment(line); |
603 | break; | |
d4a9ce78 | 604 | case TE_DONTCARE: |
9aa23094 | 605 | default: |
3b6121f6 | 606 | return; |
d4a9ce78 | 607 | } |
3b6121f6 LS |
608 | strbuf_reset(line); |
609 | strbuf_addbuf(line, ret); | |
610 | strbuf_release(ret); | |
611 | free(ret); | |
d4a9ce78 JH |
612 | } |
613 | ||
3b6121f6 | 614 | static void handle_filter(struct strbuf *line); |
87ab7992 DZ |
615 | |
616 | static int find_boundary(void) | |
2744b234 | 617 | { |
3b6121f6 | 618 | while (!strbuf_getline(&line, fin, '\n')) { |
289796dd | 619 | if (*content_top && is_multipart_boundary(&line)) |
87ab7992 DZ |
620 | return 1; |
621 | } | |
622 | return 0; | |
623 | } | |
624 | ||
625 | static int handle_boundary(void) | |
626 | { | |
3b6121f6 LS |
627 | struct strbuf newline = STRBUF_INIT; |
628 | ||
629 | strbuf_addch(&newline, '\n'); | |
87ab7992 | 630 | again: |
3b6121f6 LS |
631 | if (line.len >= (*content_top)->len + 2 && |
632 | !memcmp(line.buf + (*content_top)->len, "--", 2)) { | |
87ab7992 DZ |
633 | /* we hit an end boundary */ |
634 | /* pop the current boundary off the stack */ | |
3b6121f6 LS |
635 | strbuf_release(*content_top); |
636 | free(*content_top); | |
637 | *content_top = NULL; | |
87ab7992 DZ |
638 | |
639 | /* technically won't happen as is_multipart_boundary() | |
640 | will fail first. But just in case.. | |
641 | */ | |
289796dd | 642 | if (--content_top < content) { |
87ab7992 DZ |
643 | fprintf(stderr, "Detected mismatched boundaries, " |
644 | "can't recover\n"); | |
645 | exit(1); | |
646 | } | |
3b6121f6 LS |
647 | handle_filter(&newline); |
648 | strbuf_release(&newline); | |
87ab7992 DZ |
649 | |
650 | /* skip to the next boundary */ | |
651 | if (!find_boundary()) | |
652 | return 0; | |
653 | goto again; | |
654 | } | |
655 | ||
656 | /* set some defaults */ | |
657 | transfer_encoding = TE_DONTCARE; | |
3b6121f6 | 658 | strbuf_reset(&charset); |
87ab7992 | 659 | message_type = TYPE_TEXT; |
d4a9ce78 | 660 | |
87ab7992 | 661 | /* slurp in this section's info */ |
3b6121f6 LS |
662 | while (read_one_header_line(&line, fin)) |
663 | check_header(&line, p_hdr_data, 0); | |
2744b234 | 664 | |
3b6121f6 | 665 | strbuf_release(&newline); |
a9fd1383 JH |
666 | /* replenish line */ |
667 | if (strbuf_getline(&line, fin, '\n')) | |
668 | return 0; | |
669 | strbuf_addch(&line, '\n'); | |
670 | return 1; | |
d4a9ce78 JH |
671 | } |
672 | ||
3b6121f6 | 673 | static inline int patchbreak(const struct strbuf *line) |
f0658cf2 | 674 | { |
3b6121f6 LS |
675 | size_t i; |
676 | ||
f0658cf2 | 677 | /* Beginning of a "diff -" header? */ |
3b6121f6 | 678 | if (!prefixcmp(line->buf, "diff -")) |
f0658cf2 DZ |
679 | return 1; |
680 | ||
681 | /* CVS "Index: " line? */ | |
3b6121f6 | 682 | if (!prefixcmp(line->buf, "Index: ")) |
f0658cf2 DZ |
683 | return 1; |
684 | ||
685 | /* | |
686 | * "--- <filename>" starts patches without headers | |
687 | * "---<sp>*" is a manual separator | |
688 | */ | |
3b6121f6 LS |
689 | if (line->len < 4) |
690 | return 0; | |
691 | ||
692 | if (!prefixcmp(line->buf, "---")) { | |
f0658cf2 | 693 | /* space followed by a filename? */ |
3b6121f6 | 694 | if (line->buf[3] == ' ' && !isspace(line->buf[4])) |
f0658cf2 DZ |
695 | return 1; |
696 | /* Just whitespace? */ | |
3b6121f6 LS |
697 | for (i = 3; i < line->len; i++) { |
698 | unsigned char c = line->buf[i]; | |
f0658cf2 DZ |
699 | if (c == '\n') |
700 | return 1; | |
701 | if (!isspace(c)) | |
702 | break; | |
703 | } | |
704 | return 0; | |
705 | } | |
706 | return 0; | |
707 | } | |
708 | ||
200c75f0 JH |
709 | static int is_scissors_line(const struct strbuf *line) |
710 | { | |
711 | size_t i, len = line->len; | |
712 | int scissors = 0, gap = 0; | |
713 | int first_nonblank = -1; | |
714 | int last_nonblank = 0, visible, perforation = 0, in_perforation = 0; | |
715 | const char *buf = line->buf; | |
716 | ||
717 | for (i = 0; i < len; i++) { | |
718 | if (isspace(buf[i])) { | |
719 | if (in_perforation) { | |
720 | perforation++; | |
721 | gap++; | |
722 | } | |
723 | continue; | |
724 | } | |
725 | last_nonblank = i; | |
726 | if (first_nonblank < 0) | |
727 | first_nonblank = i; | |
728 | if (buf[i] == '-') { | |
729 | in_perforation = 1; | |
730 | perforation++; | |
731 | continue; | |
732 | } | |
733 | if (i + 1 < len && | |
9974e290 JN |
734 | (!memcmp(buf + i, ">8", 2) || !memcmp(buf + i, "8<", 2) || |
735 | !memcmp(buf + i, ">%", 2) || !memcmp(buf + i, "%<", 2))) { | |
200c75f0 JH |
736 | in_perforation = 1; |
737 | perforation += 2; | |
738 | scissors += 2; | |
739 | i++; | |
740 | continue; | |
741 | } | |
742 | in_perforation = 0; | |
743 | } | |
744 | ||
745 | /* | |
746 | * The mark must be at least 8 bytes long (e.g. "-- >8 --"). | |
747 | * Even though there can be arbitrary cruft on the same line | |
748 | * (e.g. "cut here"), in order to avoid misidentification, the | |
749 | * perforation must occupy more than a third of the visible | |
750 | * width of the line, and dashes and scissors must occupy more | |
751 | * than half of the perforation. | |
752 | */ | |
753 | ||
754 | visible = last_nonblank - first_nonblank + 1; | |
755 | return (scissors && 8 <= visible && | |
756 | visible < perforation * 3 && | |
757 | gap * 2 < perforation); | |
758 | } | |
759 | ||
3b6121f6 | 760 | static int handle_commit_msg(struct strbuf *line) |
d4a9ce78 | 761 | { |
87ab7992 DZ |
762 | static int still_looking = 1; |
763 | ||
d4a9ce78 JH |
764 | if (!cmitmsg) |
765 | return 0; | |
2744b234 | 766 | |
87ab7992 | 767 | if (still_looking) { |
470b4526 | 768 | if (!line->len || (line->len == 1 && line->buf[0] == '\n')) |
3b6121f6 | 769 | return 0; |
d25e5159 LS |
770 | } |
771 | ||
772 | if (use_inbody_headers && still_looking) { | |
200c75f0 JH |
773 | still_looking = check_header(line, s_hdr_data, 0); |
774 | if (still_looking) | |
87ab7992 | 775 | return 0; |
d25e5159 LS |
776 | } else |
777 | /* Only trim the first (blank) line of the commit message | |
778 | * when ignoring in-body headers. | |
779 | */ | |
780 | still_looking = 0; | |
8b4525fb | 781 | |
86747c13 DZ |
782 | /* normalize the log message to UTF-8. */ |
783 | if (metainfo_charset) | |
3b6121f6 | 784 | convert_to_utf8(line, charset.buf); |
86747c13 | 785 | |
017678b4 | 786 | if (use_scissors && is_scissors_line(line)) { |
200c75f0 | 787 | int i; |
1be224ba JH |
788 | if (fseek(cmitmsg, 0L, SEEK_SET)) |
789 | die_errno("Could not rewind output message file"); | |
790 | if (ftruncate(fileno(cmitmsg), 0)) | |
791 | die_errno("Could not truncate output message file at scissors"); | |
200c75f0 JH |
792 | still_looking = 1; |
793 | ||
794 | /* | |
795 | * We may have already read "secondary headers"; purge | |
796 | * them to give ourselves a clean restart. | |
797 | */ | |
798 | for (i = 0; header[i]; i++) { | |
799 | if (s_hdr_data[i]) | |
800 | strbuf_release(s_hdr_data[i]); | |
801 | s_hdr_data[i] = NULL; | |
802 | } | |
803 | return 0; | |
804 | } | |
805 | ||
f0658cf2 | 806 | if (patchbreak(line)) { |
87ab7992 DZ |
807 | fclose(cmitmsg); |
808 | cmitmsg = NULL; | |
809 | return 1; | |
810 | } | |
8b4525fb | 811 | |
3b6121f6 | 812 | fputs(line->buf, cmitmsg); |
d4a9ce78 | 813 | return 0; |
2744b234 LT |
814 | } |
815 | ||
3b6121f6 | 816 | static void handle_patch(const struct strbuf *line) |
2744b234 | 817 | { |
3b6121f6 | 818 | fwrite(line->buf, 1, line->len, patchfile); |
87ab7992 | 819 | patch_lines++; |
2744b234 LT |
820 | } |
821 | ||
3b6121f6 | 822 | static void handle_filter(struct strbuf *line) |
2744b234 | 823 | { |
87ab7992 | 824 | static int filter = 0; |
2744b234 | 825 | |
3b6121f6 | 826 | /* filter tells us which part we left off on */ |
87ab7992 DZ |
827 | switch (filter) { |
828 | case 0: | |
3b6121f6 | 829 | if (!handle_commit_msg(line)) |
d4a9ce78 | 830 | break; |
87ab7992 DZ |
831 | filter++; |
832 | case 1: | |
3b6121f6 LS |
833 | handle_patch(line); |
834 | break; | |
2744b234 LT |
835 | } |
836 | } | |
837 | ||
87ab7992 | 838 | static void handle_body(void) |
1d8fa411 | 839 | { |
3b6121f6 | 840 | struct strbuf prev = STRBUF_INIT; |
d4a9ce78 JH |
841 | |
842 | /* Skip up to the first boundary */ | |
3b6121f6 | 843 | if (*content_top) { |
87ab7992 | 844 | if (!find_boundary()) |
3b6121f6 | 845 | goto handle_body_out; |
87ab7992 DZ |
846 | } |
847 | ||
848 | do { | |
849 | /* process any boundary lines */ | |
3b6121f6 | 850 | if (*content_top && is_multipart_boundary(&line)) { |
87ab7992 | 851 | /* flush any leftover */ |
a9fd1383 JH |
852 | if (prev.len) { |
853 | handle_filter(&prev); | |
854 | strbuf_reset(&prev); | |
855 | } | |
87ab7992 | 856 | if (!handle_boundary()) |
3b6121f6 | 857 | goto handle_body_out; |
87ab7992 DZ |
858 | } |
859 | ||
86747c13 | 860 | /* Unwrap transfer encoding */ |
3b6121f6 | 861 | decode_transfer_encoding(&line); |
87ab7992 DZ |
862 | |
863 | switch (transfer_encoding) { | |
864 | case TE_BASE64: | |
87f1b884 | 865 | case TE_QP: |
87ab7992 | 866 | { |
3b6121f6 LS |
867 | struct strbuf **lines, **it, *sb; |
868 | ||
869 | /* Prepend any previous partial lines */ | |
870 | strbuf_insert(&line, 0, prev.buf, prev.len); | |
871 | strbuf_reset(&prev); | |
87ab7992 DZ |
872 | |
873 | /* binary data most likely doesn't have newlines */ | |
874 | if (message_type != TYPE_TEXT) { | |
3b6121f6 | 875 | handle_filter(&line); |
87ab7992 DZ |
876 | break; |
877 | } | |
9aa23094 JH |
878 | /* |
879 | * This is a decoded line that may contain | |
87ab7992 DZ |
880 | * multiple new lines. Pass only one chunk |
881 | * at a time to handle_filter() | |
882 | */ | |
3b6121f6 LS |
883 | lines = strbuf_split(&line, '\n'); |
884 | for (it = lines; (sb = *it); it++) { | |
885 | if (*(it + 1) == NULL) /* The last line */ | |
886 | if (sb->buf[sb->len - 1] != '\n') { | |
887 | /* Partial line, save it for later. */ | |
888 | strbuf_addbuf(&prev, sb); | |
889 | break; | |
890 | } | |
891 | handle_filter(sb); | |
892 | } | |
9aa23094 | 893 | /* |
3b6121f6 | 894 | * The partial chunk is saved in "prev" and will be |
9aa23094 | 895 | * appended by the next iteration of read_line_with_nul(). |
87ab7992 | 896 | */ |
3b6121f6 | 897 | strbuf_list_free(lines); |
d4a9ce78 | 898 | break; |
1d8fa411 | 899 | } |
87ab7992 | 900 | default: |
3b6121f6 | 901 | handle_filter(&line); |
d4a9ce78 | 902 | } |
87ab7992 | 903 | |
c8f373a5 | 904 | } while (!strbuf_getwholeline(&line, fin, '\n')); |
3b6121f6 LS |
905 | |
906 | handle_body_out: | |
907 | strbuf_release(&prev); | |
1d8fa411 JH |
908 | } |
909 | ||
3b6121f6 | 910 | static void output_header_lines(FILE *fout, const char *hdr, const struct strbuf *data) |
d7f6bae2 | 911 | { |
3b6121f6 | 912 | const char *sp = data->buf; |
d7f6bae2 | 913 | while (1) { |
3b6121f6 | 914 | char *ep = strchr(sp, '\n'); |
d7f6bae2 JH |
915 | int len; |
916 | if (!ep) | |
3b6121f6 | 917 | len = strlen(sp); |
d7f6bae2 | 918 | else |
3b6121f6 LS |
919 | len = ep - sp; |
920 | fprintf(fout, "%s: %.*s\n", hdr, len, sp); | |
d7f6bae2 JH |
921 | if (!ep) |
922 | break; | |
3b6121f6 | 923 | sp = ep + 1; |
d7f6bae2 JH |
924 | } |
925 | } | |
926 | ||
87ab7992 | 927 | static void handle_info(void) |
2744b234 | 928 | { |
3b6121f6 | 929 | struct strbuf *hdr; |
87ab7992 DZ |
930 | int i; |
931 | ||
932 | for (i = 0; header[i]; i++) { | |
87ab7992 DZ |
933 | /* only print inbody headers if we output a patch file */ |
934 | if (patch_lines && s_hdr_data[i]) | |
935 | hdr = s_hdr_data[i]; | |
936 | else if (p_hdr_data[i]) | |
937 | hdr = p_hdr_data[i]; | |
938 | else | |
939 | continue; | |
940 | ||
941 | if (!memcmp(header[i], "Subject", 7)) { | |
3b6121f6 LS |
942 | if (!keep_subject) { |
943 | cleanup_subject(hdr); | |
944 | cleanup_space(hdr); | |
d7f6bae2 | 945 | } |
3b6121f6 | 946 | output_header_lines(fout, "Subject", hdr); |
87ab7992 | 947 | } else if (!memcmp(header[i], "From", 4)) { |
ddfb3696 | 948 | cleanup_space(hdr); |
87ab7992 | 949 | handle_from(hdr); |
3b6121f6 LS |
950 | fprintf(fout, "Author: %s\n", name.buf); |
951 | fprintf(fout, "Email: %s\n", email.buf); | |
87ab7992 DZ |
952 | } else { |
953 | cleanup_space(hdr); | |
3b6121f6 | 954 | fprintf(fout, "%s: %s\n", header[i], hdr->buf); |
87ab7992 | 955 | } |
d4a9ce78 | 956 | } |
87ab7992 | 957 | fprintf(fout, "\n"); |
2744b234 LT |
958 | } |
959 | ||
606417bc | 960 | static int mailinfo(FILE *in, FILE *out, const char *msg, const char *patch) |
34488e3c | 961 | { |
f88a545a | 962 | int peek; |
34488e3c LS |
963 | fin = in; |
964 | fout = out; | |
965 | ||
966 | cmitmsg = fopen(msg, "w"); | |
967 | if (!cmitmsg) { | |
968 | perror(msg); | |
969 | return -1; | |
970 | } | |
971 | patchfile = fopen(patch, "w"); | |
972 | if (!patchfile) { | |
973 | perror(patch); | |
974 | fclose(cmitmsg); | |
975 | return -1; | |
976 | } | |
87ab7992 | 977 | |
3b6121f6 LS |
978 | p_hdr_data = xcalloc(MAX_HDR_PARSED, sizeof(*p_hdr_data)); |
979 | s_hdr_data = xcalloc(MAX_HDR_PARSED, sizeof(*s_hdr_data)); | |
87ab7992 | 980 | |
f88a545a SS |
981 | do { |
982 | peek = fgetc(in); | |
983 | } while (isspace(peek)); | |
984 | ungetc(peek, in); | |
985 | ||
87ab7992 | 986 | /* process the email header */ |
3b6121f6 LS |
987 | while (read_one_header_line(&line, fin)) |
988 | check_header(&line, p_hdr_data, 1); | |
87ab7992 DZ |
989 | |
990 | handle_body(); | |
991 | handle_info(); | |
34488e3c LS |
992 | |
993 | return 0; | |
994 | } | |
995 | ||
43485d3d JH |
996 | static int git_mailinfo_config(const char *var, const char *value, void *unused) |
997 | { | |
998 | if (prefixcmp(var, "mailinfo.")) | |
999 | return git_default_config(var, value, unused); | |
1000 | if (!strcmp(var, "mailinfo.scissors")) { | |
1001 | use_scissors = git_config_bool(var, value); | |
1002 | return 0; | |
1003 | } | |
1004 | /* perhaps others here */ | |
1005 | return 0; | |
1006 | } | |
1007 | ||
6bff6a60 | 1008 | static const char mailinfo_usage[] = |
d268cb94 | 1009 | "git mailinfo [-k|-b] [-u | --encoding=<encoding> | -n] [--scissors | --no-scissors] msg patch < mail >info"; |
d4a9ce78 | 1010 | |
a633fca0 | 1011 | int cmd_mailinfo(int argc, const char **argv, const char *prefix) |
2744b234 | 1012 | { |
bb1091a4 JH |
1013 | const char *def_charset; |
1014 | ||
f1f909e3 JH |
1015 | /* NEEDSWORK: might want to do the optional .git/ directory |
1016 | * discovery | |
1017 | */ | |
43485d3d | 1018 | git_config(git_mailinfo_config, NULL); |
f1f909e3 | 1019 | |
a6fa5992 | 1020 | def_charset = get_commit_output_encoding(); |
bb1091a4 JH |
1021 | metainfo_charset = def_charset; |
1022 | ||
6bff6a60 JH |
1023 | while (1 < argc && argv[1][0] == '-') { |
1024 | if (!strcmp(argv[1], "-k")) | |
1025 | keep_subject = 1; | |
17635fc9 JH |
1026 | else if (!strcmp(argv[1], "-b")) |
1027 | keep_non_patch_brackets_in_subject = 1; | |
d4a9ce78 | 1028 | else if (!strcmp(argv[1], "-u")) |
bb1091a4 JH |
1029 | metainfo_charset = def_charset; |
1030 | else if (!strcmp(argv[1], "-n")) | |
1031 | metainfo_charset = NULL; | |
cc44c765 | 1032 | else if (!prefixcmp(argv[1], "--encoding=")) |
9f63892b | 1033 | metainfo_charset = argv[1] + 11; |
017678b4 JH |
1034 | else if (!strcmp(argv[1], "--scissors")) |
1035 | use_scissors = 1; | |
1036 | else if (!strcmp(argv[1], "--no-scissors")) | |
1037 | use_scissors = 0; | |
d25e5159 LS |
1038 | else if (!strcmp(argv[1], "--no-inbody-headers")) |
1039 | use_inbody_headers = 0; | |
d4a9ce78 | 1040 | else |
f1f909e3 | 1041 | usage(mailinfo_usage); |
6bff6a60 JH |
1042 | argc--; argv++; |
1043 | } | |
1044 | ||
a196d8d4 | 1045 | if (argc != 3) |
f1f909e3 | 1046 | usage(mailinfo_usage); |
34488e3c | 1047 | |
606417bc | 1048 | return !!mailinfo(stdin, stdout, argv[1], argv[2]); |
2744b234 | 1049 | } |