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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 DR |
12 | static int keep_subject; |
13 | static const char *metainfo_charset; | |
3b6121f6 LS |
14 | static struct strbuf line = STRBUF_INIT; |
15 | static struct strbuf name = STRBUF_INIT; | |
16 | static struct strbuf email = STRBUF_INIT; | |
2744b234 | 17 | |
d4a9ce78 JH |
18 | static enum { |
19 | TE_DONTCARE, TE_QP, TE_BASE64, | |
20 | } transfer_encoding; | |
87ab7992 DZ |
21 | static enum { |
22 | TYPE_TEXT, TYPE_OTHER, | |
23 | } message_type; | |
d4a9ce78 | 24 | |
3b6121f6 | 25 | static struct strbuf charset = STRBUF_INIT; |
96f1e58f | 26 | static int patch_lines; |
3b6121f6 | 27 | static struct strbuf **p_hdr_data, **s_hdr_data; |
017678b4 | 28 | static int use_scissors; |
d25e5159 | 29 | static int use_inbody_headers = 1; |
87ab7992 DZ |
30 | |
31 | #define MAX_HDR_PARSED 10 | |
32 | #define MAX_BOUNDARIES 5 | |
d4a9ce78 | 33 | |
08e6710f KS |
34 | static void cleanup_space(struct strbuf *sb); |
35 | ||
36 | ||
3b6121f6 | 37 | static void get_sane_name(struct strbuf *out, struct strbuf *name, struct strbuf *email) |
2744b234 | 38 | { |
3b6121f6 LS |
39 | struct strbuf *src = name; |
40 | if (name->len < 3 || 60 < name->len || strchr(name->buf, '@') || | |
41 | strchr(name->buf, '<') || strchr(name->buf, '>')) | |
42 | src = email; | |
43 | else if (name == out) | |
44 | return; | |
45 | strbuf_reset(out); | |
46 | strbuf_addbuf(out, src); | |
2744b234 LT |
47 | } |
48 | ||
3b6121f6 | 49 | static void parse_bogus_from(const struct strbuf *line) |
e0e3ba20 JH |
50 | { |
51 | /* John Doe <johndoe> */ | |
e0e3ba20 | 52 | |
3b6121f6 | 53 | char *bra, *ket; |
e0e3ba20 JH |
54 | /* This is fallback, so do not bother if we already have an |
55 | * e-mail address. | |
34488e3c | 56 | */ |
3b6121f6 LS |
57 | if (email.len) |
58 | return; | |
e0e3ba20 | 59 | |
3b6121f6 | 60 | bra = strchr(line->buf, '<'); |
e0e3ba20 | 61 | if (!bra) |
3b6121f6 | 62 | return; |
e0e3ba20 JH |
63 | ket = strchr(bra, '>'); |
64 | if (!ket) | |
3b6121f6 | 65 | return; |
e0e3ba20 | 66 | |
3b6121f6 LS |
67 | strbuf_reset(&email); |
68 | strbuf_add(&email, bra + 1, ket - bra - 1); | |
69 | ||
70 | strbuf_reset(&name); | |
71 | strbuf_add(&name, line->buf, bra - line->buf); | |
72 | strbuf_trim(&name); | |
73 | get_sane_name(&name, &name, &email); | |
e0e3ba20 JH |
74 | } |
75 | ||
3b6121f6 | 76 | static void handle_from(const struct strbuf *from) |
2744b234 | 77 | { |
2dec02b1 | 78 | char *at; |
3b6121f6 LS |
79 | size_t el; |
80 | struct strbuf f; | |
2744b234 | 81 | |
3b6121f6 LS |
82 | strbuf_init(&f, from->len); |
83 | strbuf_addbuf(&f, from); | |
84 | ||
85 | at = strchr(f.buf, '@'); | |
86 | if (!at) { | |
87 | parse_bogus_from(from); | |
88 | return; | |
89 | } | |
2744b234 LT |
90 | |
91 | /* | |
92 | * If we already have one email, don't take any confusing lines | |
93 | */ | |
3b6121f6 LS |
94 | if (email.len && strchr(at + 1, '@')) { |
95 | strbuf_release(&f); | |
96 | return; | |
97 | } | |
2744b234 | 98 | |
d4a9ce78 | 99 | /* Pick up the string around '@', possibly delimited with <> |
3b6121f6 | 100 | * pair; that is the email part. |
d4a9ce78 | 101 | */ |
3b6121f6 | 102 | while (at > f.buf) { |
2744b234 | 103 | char c = at[-1]; |
d4a9ce78 JH |
104 | if (isspace(c)) |
105 | break; | |
106 | if (c == '<') { | |
107 | at[-1] = ' '; | |
2744b234 | 108 | break; |
d4a9ce78 | 109 | } |
2744b234 LT |
110 | at--; |
111 | } | |
3b6121f6 LS |
112 | el = strcspn(at, " \n\t\r\v\f>"); |
113 | strbuf_reset(&email); | |
114 | strbuf_add(&email, at, el); | |
e9d7d10a | 115 | strbuf_remove(&f, at - f.buf, el + (at[el] ? 1 : 0)); |
2744b234 | 116 | |
08e6710f KS |
117 | /* The remainder is name. It could be |
118 | * | |
119 | * - "John Doe <john.doe@xz>" (a), or | |
120 | * - "john.doe@xz (John Doe)" (b), or | |
121 | * - "John (zzz) Doe <john.doe@xz> (Comment)" (c) | |
122 | * | |
123 | * but we have removed the email part, so | |
124 | * | |
125 | * - remove extra spaces which could stay after email (case 'c'), and | |
126 | * - trim from both ends, possibly removing the () pair at the end | |
127 | * (cases 'a' and 'b'). | |
d4a9ce78 | 128 | */ |
08e6710f | 129 | cleanup_space(&f); |
3b6121f6 | 130 | strbuf_trim(&f); |
0d4ede9f PB |
131 | if (f.buf[0] == '(' && f.len && f.buf[f.len - 1] == ')') { |
132 | strbuf_remove(&f, 0, 1); | |
3b6121f6 | 133 | strbuf_setlen(&f, f.len - 1); |
0d4ede9f | 134 | } |
2744b234 | 135 | |
3b6121f6 LS |
136 | get_sane_name(&name, &f, &email); |
137 | strbuf_release(&f); | |
2744b234 LT |
138 | } |
139 | ||
3b6121f6 | 140 | static void handle_header(struct strbuf **out, const struct strbuf *line) |
62c1f6b4 | 141 | { |
3b6121f6 LS |
142 | if (!*out) { |
143 | *out = xmalloc(sizeof(struct strbuf)); | |
144 | strbuf_init(*out, line->len); | |
145 | } else | |
146 | strbuf_reset(*out); | |
87ab7992 | 147 | |
3b6121f6 | 148 | strbuf_addbuf(*out, line); |
d4a9ce78 JH |
149 | } |
150 | ||
151 | /* NOTE NOTE NOTE. We do not claim we do full MIME. We just attempt | |
152 | * to have enough heuristics to grok MIME encoded patches often found | |
153 | * on our mailing lists. For example, we do not even treat header lines | |
154 | * case insensitively. | |
155 | */ | |
156 | ||
3b6121f6 | 157 | static int slurp_attr(const char *line, const char *name, struct strbuf *attr) |
d4a9ce78 | 158 | { |
554fe20d | 159 | const char *ends, *ap = strcasestr(line, name); |
d4a9ce78 JH |
160 | size_t sz; |
161 | ||
162 | if (!ap) { | |
3b6121f6 | 163 | strbuf_setlen(attr, 0); |
d4a9ce78 JH |
164 | return 0; |
165 | } | |
166 | ap += strlen(name); | |
167 | if (*ap == '"') { | |
168 | ap++; | |
169 | ends = "\""; | |
170 | } | |
171 | else | |
172 | ends = "; \t"; | |
173 | sz = strcspn(ap, ends); | |
3b6121f6 | 174 | strbuf_add(attr, ap, sz); |
d4a9ce78 JH |
175 | return 1; |
176 | } | |
177 | ||
3b6121f6 | 178 | static struct strbuf *content[MAX_BOUNDARIES]; |
87ab7992 | 179 | |
3b6121f6 | 180 | static struct strbuf **content_top = content; |
87ab7992 | 181 | |
3b6121f6 | 182 | static void handle_content_type(struct strbuf *line) |
d4a9ce78 | 183 | { |
3b6121f6 LS |
184 | struct strbuf *boundary = xmalloc(sizeof(struct strbuf)); |
185 | strbuf_init(boundary, line->len); | |
87ab7992 | 186 | |
3b6121f6 | 187 | if (!strcasestr(line->buf, "text/")) |
87ab7992 | 188 | message_type = TYPE_OTHER; |
3b6121f6 LS |
189 | if (slurp_attr(line->buf, "boundary=", boundary)) { |
190 | strbuf_insert(boundary, 0, "--", 2); | |
289796dd | 191 | if (++content_top > &content[MAX_BOUNDARIES]) { |
87ab7992 DZ |
192 | fprintf(stderr, "Too many boundaries to handle\n"); |
193 | exit(1); | |
194 | } | |
3b6121f6 LS |
195 | *content_top = boundary; |
196 | boundary = NULL; | |
b893f091 | 197 | } |
ed1e3985 | 198 | slurp_attr(line->buf, "charset=", &charset); |
3b6121f6 LS |
199 | |
200 | if (boundary) { | |
201 | strbuf_release(boundary); | |
202 | free(boundary); | |
d4a9ce78 | 203 | } |
d4a9ce78 JH |
204 | } |
205 | ||
3b6121f6 | 206 | static void handle_content_transfer_encoding(const struct strbuf *line) |
d4a9ce78 | 207 | { |
3b6121f6 | 208 | if (strcasestr(line->buf, "base64")) |
d4a9ce78 | 209 | transfer_encoding = TE_BASE64; |
3b6121f6 | 210 | else if (strcasestr(line->buf, "quoted-printable")) |
d4a9ce78 JH |
211 | transfer_encoding = TE_QP; |
212 | else | |
213 | transfer_encoding = TE_DONTCARE; | |
2744b234 LT |
214 | } |
215 | ||
3b6121f6 | 216 | static int is_multipart_boundary(const struct strbuf *line) |
d4a9ce78 | 217 | { |
a9fd1383 JH |
218 | return (((*content_top)->len <= line->len) && |
219 | !memcmp(line->buf, (*content_top)->buf, (*content_top)->len)); | |
d4a9ce78 JH |
220 | } |
221 | ||
3b6121f6 | 222 | static void cleanup_subject(struct strbuf *subject) |
2744b234 | 223 | { |
3b6121f6 LS |
224 | char *pos; |
225 | size_t remove; | |
226 | while (subject->len) { | |
227 | switch (*subject->buf) { | |
2744b234 | 228 | case 'r': case 'R': |
3b6121f6 LS |
229 | if (subject->len <= 3) |
230 | break; | |
231 | if (!memcmp(subject->buf + 1, "e:", 2)) { | |
232 | strbuf_remove(subject, 0, 3); | |
2744b234 LT |
233 | continue; |
234 | } | |
235 | break; | |
236 | case ' ': case '\t': case ':': | |
3b6121f6 | 237 | strbuf_remove(subject, 0, 1); |
2744b234 | 238 | continue; |
2744b234 | 239 | case '[': |
3b6121f6 | 240 | if ((pos = strchr(subject->buf, ']'))) { |
1e102bf7 JH |
241 | remove = pos - subject->buf; |
242 | if (remove <= (subject->len - remove) * 2) { | |
243 | strbuf_remove(subject, 0, remove + 1); | |
3b6121f6 LS |
244 | continue; |
245 | } | |
246 | } else | |
247 | strbuf_remove(subject, 0, 1); | |
2744b234 LT |
248 | break; |
249 | } | |
3b6121f6 LS |
250 | strbuf_trim(subject); |
251 | return; | |
2744b234 | 252 | } |
34488e3c | 253 | } |
2744b234 | 254 | |
3b6121f6 | 255 | static void cleanup_space(struct strbuf *sb) |
2744b234 | 256 | { |
3b6121f6 LS |
257 | size_t pos, cnt; |
258 | for (pos = 0; pos < sb->len; pos++) { | |
259 | if (isspace(sb->buf[pos])) { | |
260 | sb->buf[pos] = ' '; | |
261 | for (cnt = 0; isspace(sb->buf[pos + cnt + 1]); cnt++); | |
262 | strbuf_remove(sb, pos + 1, cnt); | |
2744b234 LT |
263 | } |
264 | } | |
265 | } | |
266 | ||
3b6121f6 | 267 | static void decode_header(struct strbuf *line); |
538dfe73 | 268 | static const char *header[MAX_HDR_PARSED] = { |
87ab7992 | 269 | "From","Subject","Date", |
d4a9ce78 JH |
270 | }; |
271 | ||
3b6121f6 | 272 | static inline int cmp_header(const struct strbuf *line, const char *hdr) |
d4a9ce78 | 273 | { |
3b6121f6 LS |
274 | int len = strlen(hdr); |
275 | return !strncasecmp(line->buf, hdr, len) && line->len > len && | |
276 | line->buf[len] == ':' && isspace(line->buf[len + 1]); | |
277 | } | |
d4a9ce78 | 278 | |
3b6121f6 LS |
279 | static int check_header(const struct strbuf *line, |
280 | struct strbuf *hdr_data[], int overwrite) | |
281 | { | |
282 | int i, ret = 0, len; | |
283 | struct strbuf sb = STRBUF_INIT; | |
87ab7992 DZ |
284 | /* search for the interesting parts */ |
285 | for (i = 0; header[i]; i++) { | |
286 | int len = strlen(header[i]); | |
3b6121f6 | 287 | if ((!hdr_data[i] || overwrite) && cmp_header(line, header[i])) { |
33504530 EB |
288 | /* Unwrap inline B and Q encoding, and optionally |
289 | * normalize the meta information to utf8. | |
290 | */ | |
3b6121f6 LS |
291 | strbuf_add(&sb, line->buf + len + 2, line->len - len - 2); |
292 | decode_header(&sb); | |
293 | handle_header(&hdr_data[i], &sb); | |
294 | ret = 1; | |
295 | goto check_header_out; | |
d4a9ce78 JH |
296 | } |
297 | } | |
d4a9ce78 | 298 | |
87ab7992 | 299 | /* Content stuff */ |
3b6121f6 LS |
300 | if (cmp_header(line, "Content-Type")) { |
301 | len = strlen("Content-Type: "); | |
302 | strbuf_add(&sb, line->buf + len, line->len - len); | |
303 | decode_header(&sb); | |
304 | strbuf_insert(&sb, 0, "Content-Type: ", len); | |
305 | handle_content_type(&sb); | |
306 | ret = 1; | |
307 | goto check_header_out; | |
308 | } | |
309 | if (cmp_header(line, "Content-Transfer-Encoding")) { | |
310 | len = strlen("Content-Transfer-Encoding: "); | |
311 | strbuf_add(&sb, line->buf + len, line->len - len); | |
312 | decode_header(&sb); | |
313 | handle_content_transfer_encoding(&sb); | |
314 | ret = 1; | |
315 | goto check_header_out; | |
87ab7992 DZ |
316 | } |
317 | ||
318 | /* for inbody stuff */ | |
3b6121f6 LS |
319 | if (!prefixcmp(line->buf, ">From") && isspace(line->buf[5])) { |
320 | ret = 1; /* Should this return 0? */ | |
321 | goto check_header_out; | |
322 | } | |
323 | if (!prefixcmp(line->buf, "[PATCH]") && isspace(line->buf[7])) { | |
87ab7992 | 324 | for (i = 0; header[i]; i++) { |
e9fe804a | 325 | if (!memcmp("Subject", header[i], 7)) { |
3b6121f6 LS |
326 | handle_header(&hdr_data[i], line); |
327 | ret = 1; | |
328 | goto check_header_out; | |
87ab7992 DZ |
329 | } |
330 | } | |
331 | } | |
332 | ||
3b6121f6 LS |
333 | check_header_out: |
334 | strbuf_release(&sb); | |
335 | return ret; | |
d4a9ce78 JH |
336 | } |
337 | ||
3b6121f6 | 338 | static int is_rfc2822_header(const struct strbuf *line) |
ef29c117 JH |
339 | { |
340 | /* | |
341 | * The section that defines the loosest possible | |
342 | * field name is "3.6.8 Optional fields". | |
343 | * | |
344 | * optional-field = field-name ":" unstructured CRLF | |
345 | * field-name = 1*ftext | |
346 | * ftext = %d33-57 / %59-126 | |
347 | */ | |
348 | int ch; | |
3b6121f6 | 349 | char *cp = line->buf; |
34fc5cef LT |
350 | |
351 | /* Count mbox From headers as headers */ | |
3b6121f6 | 352 | if (!prefixcmp(cp, "From ") || !prefixcmp(cp, ">From ")) |
34fc5cef LT |
353 | return 1; |
354 | ||
ef29c117 JH |
355 | while ((ch = *cp++)) { |
356 | if (ch == ':') | |
3b6121f6 | 357 | return 1; |
ef29c117 JH |
358 | if ((33 <= ch && ch <= 57) || |
359 | (59 <= ch && ch <= 126)) | |
360 | continue; | |
361 | break; | |
362 | } | |
363 | return 0; | |
364 | } | |
365 | ||
3b6121f6 | 366 | static int read_one_header_line(struct strbuf *line, FILE *in) |
d4a9ce78 | 367 | { |
34fc5cef | 368 | /* Get the first part of the line. */ |
3b6121f6 | 369 | if (strbuf_getline(line, in, '\n')) |
34fc5cef LT |
370 | return 0; |
371 | ||
372 | /* | |
373 | * Is it an empty line or not a valid rfc2822 header? | |
374 | * If so, stop here, and return false ("not a header") | |
375 | */ | |
3b6121f6 LS |
376 | strbuf_rtrim(line); |
377 | if (!line->len || !is_rfc2822_header(line)) { | |
34fc5cef | 378 | /* Re-add the newline */ |
3b6121f6 | 379 | strbuf_addch(line, '\n'); |
34fc5cef LT |
380 | return 0; |
381 | } | |
382 | ||
383 | /* | |
384 | * Now we need to eat all the continuation lines.. | |
385 | * Yuck, 2822 header "folding" | |
386 | */ | |
387 | for (;;) { | |
3b6121f6 LS |
388 | int peek; |
389 | struct strbuf continuation = STRBUF_INIT; | |
34fc5cef | 390 | |
f30b2028 EB |
391 | peek = fgetc(in); ungetc(peek, in); |
392 | if (peek != ' ' && peek != '\t') | |
393 | break; | |
3b6121f6 | 394 | if (strbuf_getline(&continuation, in, '\n')) |
34fc5cef | 395 | break; |
3b6121f6 LS |
396 | continuation.buf[0] = '\n'; |
397 | strbuf_rtrim(&continuation); | |
398 | strbuf_addbuf(line, &continuation); | |
d4a9ce78 | 399 | } |
34fc5cef LT |
400 | |
401 | return 1; | |
d4a9ce78 JH |
402 | } |
403 | ||
3b6121f6 | 404 | static struct strbuf *decode_q_segment(const struct strbuf *q_seg, int rfc2047) |
d4a9ce78 | 405 | { |
3b6121f6 | 406 | const char *in = q_seg->buf; |
d4a9ce78 | 407 | int c; |
3b6121f6 LS |
408 | struct strbuf *out = xmalloc(sizeof(struct strbuf)); |
409 | strbuf_init(out, q_seg->len); | |
410 | ||
411 | while ((c = *in++) != 0) { | |
d4a9ce78 JH |
412 | if (c == '=') { |
413 | int d = *in++; | |
414 | if (d == '\n' || !d) | |
415 | break; /* drop trailing newline */ | |
3b6121f6 | 416 | strbuf_addch(out, (hexval(d) << 4) | hexval(*in++)); |
75731930 | 417 | continue; |
d4a9ce78 | 418 | } |
75731930 JH |
419 | if (rfc2047 && c == '_') /* rfc2047 4.2 (2) */ |
420 | c = 0x20; | |
3b6121f6 | 421 | strbuf_addch(out, c); |
d4a9ce78 | 422 | } |
3b6121f6 | 423 | return out; |
d4a9ce78 JH |
424 | } |
425 | ||
3b6121f6 | 426 | static struct strbuf *decode_b_segment(const struct strbuf *b_seg) |
d4a9ce78 JH |
427 | { |
428 | /* Decode in..ep, possibly in-place to ot */ | |
429 | int c, pos = 0, acc = 0; | |
3b6121f6 LS |
430 | const char *in = b_seg->buf; |
431 | struct strbuf *out = xmalloc(sizeof(struct strbuf)); | |
432 | strbuf_init(out, b_seg->len); | |
d4a9ce78 | 433 | |
3b6121f6 | 434 | while ((c = *in++) != 0) { |
d4a9ce78 JH |
435 | if (c == '+') |
436 | c = 62; | |
437 | else if (c == '/') | |
438 | c = 63; | |
439 | else if ('A' <= c && c <= 'Z') | |
440 | c -= 'A'; | |
441 | else if ('a' <= c && c <= 'z') | |
442 | c -= 'a' - 26; | |
443 | else if ('0' <= c && c <= '9') | |
444 | c -= '0' - 52; | |
d4a9ce78 JH |
445 | else |
446 | continue; /* garbage */ | |
447 | switch (pos++) { | |
448 | case 0: | |
449 | acc = (c << 2); | |
450 | break; | |
451 | case 1: | |
3b6121f6 | 452 | strbuf_addch(out, (acc | (c >> 4))); |
d4a9ce78 JH |
453 | acc = (c & 15) << 4; |
454 | break; | |
455 | case 2: | |
3b6121f6 | 456 | strbuf_addch(out, (acc | (c >> 2))); |
d4a9ce78 JH |
457 | acc = (c & 3) << 6; |
458 | break; | |
459 | case 3: | |
3b6121f6 | 460 | strbuf_addch(out, (acc | c)); |
d4a9ce78 JH |
461 | acc = pos = 0; |
462 | break; | |
463 | } | |
464 | } | |
3b6121f6 | 465 | return out; |
d4a9ce78 JH |
466 | } |
467 | ||
b59d398b LT |
468 | /* |
469 | * When there is no known charset, guess. | |
470 | * | |
471 | * Right now we assume that if the target is UTF-8 (the default), | |
472 | * and it already looks like UTF-8 (which includes US-ASCII as its | |
473 | * subset, of course) then that is what it is and there is nothing | |
474 | * to do. | |
475 | * | |
476 | * Otherwise, we default to assuming it is Latin1 for historical | |
477 | * reasons. | |
478 | */ | |
3b6121f6 | 479 | static const char *guess_charset(const struct strbuf *line, const char *target_charset) |
b59d398b LT |
480 | { |
481 | if (is_encoding_utf8(target_charset)) { | |
3b6121f6 | 482 | if (is_utf8(line->buf)) |
b59d398b LT |
483 | return NULL; |
484 | } | |
62645006 | 485 | return "ISO8859-1"; |
b59d398b LT |
486 | } |
487 | ||
3b6121f6 | 488 | static void convert_to_utf8(struct strbuf *line, const char *charset) |
d4a9ce78 | 489 | { |
b59d398b LT |
490 | char *out; |
491 | ||
492 | if (!charset || !*charset) { | |
493 | charset = guess_charset(line, metainfo_charset); | |
494 | if (!charset) | |
495 | return; | |
496 | } | |
b45974a6 | 497 | |
ed1e3985 | 498 | if (!strcasecmp(metainfo_charset, charset)) |
7296096c | 499 | return; |
3b6121f6 | 500 | out = reencode_string(line->buf, metainfo_charset, charset); |
bb1091a4 | 501 | if (!out) |
d7530708 | 502 | die("cannot convert from %s to %s", |
b59d398b | 503 | charset, metainfo_charset); |
3b6121f6 | 504 | strbuf_attach(line, out, strlen(out), strlen(out)); |
d4a9ce78 JH |
505 | } |
506 | ||
3b6121f6 | 507 | static int decode_header_bq(struct strbuf *it) |
d4a9ce78 | 508 | { |
3b6121f6 LS |
509 | char *in, *ep, *cp; |
510 | struct strbuf outbuf = STRBUF_INIT, *dec; | |
511 | struct strbuf charset_q = STRBUF_INIT, piecebuf = STRBUF_INIT; | |
b75bf2c3 | 512 | int rfc2047 = 0; |
d4a9ce78 | 513 | |
3b6121f6 LS |
514 | in = it->buf; |
515 | while (in - it->buf <= it->len && (ep = strstr(in, "=?")) != NULL) { | |
516 | int encoding; | |
517 | strbuf_reset(&charset_q); | |
518 | strbuf_reset(&piecebuf); | |
b75bf2c3 JH |
519 | rfc2047 = 1; |
520 | ||
d4a9ce78 | 521 | if (in != ep) { |
353aaf2f KS |
522 | /* |
523 | * We are about to process an encoded-word | |
524 | * that begins at ep, but there is something | |
525 | * before the encoded word. | |
526 | */ | |
527 | char *scan; | |
528 | for (scan = in; scan < ep; scan++) | |
529 | if (!isspace(*scan)) | |
530 | break; | |
531 | ||
532 | if (scan != ep || in == it->buf) { | |
533 | /* | |
534 | * We should not lose that "something", | |
535 | * unless we have just processed an | |
536 | * encoded-word, and there is only LWS | |
537 | * before the one we are about to process. | |
538 | */ | |
539 | strbuf_add(&outbuf, in, ep - in); | |
540 | } | |
d4a9ce78 JH |
541 | } |
542 | /* E.g. | |
543 | * ep : "=?iso-2022-jp?B?GyR...?= foo" | |
544 | * ep : "=?ISO-8859-1?Q?Foo=FCbar?= baz" | |
545 | */ | |
546 | ep += 2; | |
3b6121f6 LS |
547 | |
548 | if (ep - it->buf >= it->len || !(cp = strchr(ep, '?'))) | |
549 | goto decode_header_bq_out; | |
550 | ||
551 | if (cp + 3 - it->buf > it->len) | |
552 | goto decode_header_bq_out; | |
553 | strbuf_add(&charset_q, ep, cp - ep); | |
3b6121f6 | 554 | |
d4a9ce78 JH |
555 | encoding = cp[1]; |
556 | if (!encoding || cp[2] != '?') | |
3b6121f6 | 557 | goto decode_header_bq_out; |
d4a9ce78 JH |
558 | ep = strstr(cp + 3, "?="); |
559 | if (!ep) | |
3b6121f6 LS |
560 | goto decode_header_bq_out; |
561 | strbuf_add(&piecebuf, cp + 3, ep - cp - 3); | |
d4a9ce78 JH |
562 | switch (tolower(encoding)) { |
563 | default: | |
3b6121f6 | 564 | goto decode_header_bq_out; |
d4a9ce78 | 565 | case 'b': |
3b6121f6 | 566 | dec = decode_b_segment(&piecebuf); |
d4a9ce78 JH |
567 | break; |
568 | case 'q': | |
3b6121f6 | 569 | dec = decode_q_segment(&piecebuf, 1); |
d4a9ce78 JH |
570 | break; |
571 | } | |
650e4be5 | 572 | if (metainfo_charset) |
3b6121f6 | 573 | convert_to_utf8(dec, charset_q.buf); |
8dabdfcc | 574 | |
3b6121f6 LS |
575 | strbuf_addbuf(&outbuf, dec); |
576 | strbuf_release(dec); | |
577 | free(dec); | |
d4a9ce78 JH |
578 | in = ep + 2; |
579 | } | |
3b6121f6 LS |
580 | strbuf_addstr(&outbuf, in); |
581 | strbuf_reset(it); | |
582 | strbuf_addbuf(it, &outbuf); | |
583 | decode_header_bq_out: | |
584 | strbuf_release(&outbuf); | |
585 | strbuf_release(&charset_q); | |
586 | strbuf_release(&piecebuf); | |
b75bf2c3 JH |
587 | return rfc2047; |
588 | } | |
589 | ||
3b6121f6 | 590 | static void decode_header(struct strbuf *it) |
b75bf2c3 | 591 | { |
3b6121f6 | 592 | if (decode_header_bq(it)) |
b75bf2c3 JH |
593 | return; |
594 | /* otherwise "it" is a straight copy of the input. | |
595 | * This can be binary guck but there is no charset specified. | |
596 | */ | |
597 | if (metainfo_charset) | |
3b6121f6 | 598 | convert_to_utf8(it, ""); |
d4a9ce78 JH |
599 | } |
600 | ||
3b6121f6 | 601 | static void decode_transfer_encoding(struct strbuf *line) |
d4a9ce78 | 602 | { |
3b6121f6 | 603 | struct strbuf *ret; |
d4a9ce78 JH |
604 | |
605 | switch (transfer_encoding) { | |
606 | case TE_QP: | |
3b6121f6 LS |
607 | ret = decode_q_segment(line, 0); |
608 | break; | |
d4a9ce78 | 609 | case TE_BASE64: |
3b6121f6 LS |
610 | ret = decode_b_segment(line); |
611 | break; | |
d4a9ce78 | 612 | case TE_DONTCARE: |
9aa23094 | 613 | default: |
3b6121f6 | 614 | return; |
d4a9ce78 | 615 | } |
3b6121f6 LS |
616 | strbuf_reset(line); |
617 | strbuf_addbuf(line, ret); | |
618 | strbuf_release(ret); | |
619 | free(ret); | |
d4a9ce78 JH |
620 | } |
621 | ||
3b6121f6 | 622 | static void handle_filter(struct strbuf *line); |
87ab7992 DZ |
623 | |
624 | static int find_boundary(void) | |
2744b234 | 625 | { |
3b6121f6 | 626 | while (!strbuf_getline(&line, fin, '\n')) { |
289796dd | 627 | if (*content_top && is_multipart_boundary(&line)) |
87ab7992 DZ |
628 | return 1; |
629 | } | |
630 | return 0; | |
631 | } | |
632 | ||
633 | static int handle_boundary(void) | |
634 | { | |
3b6121f6 LS |
635 | struct strbuf newline = STRBUF_INIT; |
636 | ||
637 | strbuf_addch(&newline, '\n'); | |
87ab7992 | 638 | again: |
3b6121f6 LS |
639 | if (line.len >= (*content_top)->len + 2 && |
640 | !memcmp(line.buf + (*content_top)->len, "--", 2)) { | |
87ab7992 DZ |
641 | /* we hit an end boundary */ |
642 | /* pop the current boundary off the stack */ | |
3b6121f6 LS |
643 | strbuf_release(*content_top); |
644 | free(*content_top); | |
645 | *content_top = NULL; | |
87ab7992 DZ |
646 | |
647 | /* technically won't happen as is_multipart_boundary() | |
648 | will fail first. But just in case.. | |
649 | */ | |
289796dd | 650 | if (--content_top < content) { |
87ab7992 DZ |
651 | fprintf(stderr, "Detected mismatched boundaries, " |
652 | "can't recover\n"); | |
653 | exit(1); | |
654 | } | |
3b6121f6 LS |
655 | handle_filter(&newline); |
656 | strbuf_release(&newline); | |
87ab7992 DZ |
657 | |
658 | /* skip to the next boundary */ | |
659 | if (!find_boundary()) | |
660 | return 0; | |
661 | goto again; | |
662 | } | |
663 | ||
664 | /* set some defaults */ | |
665 | transfer_encoding = TE_DONTCARE; | |
3b6121f6 | 666 | strbuf_reset(&charset); |
87ab7992 | 667 | message_type = TYPE_TEXT; |
d4a9ce78 | 668 | |
87ab7992 | 669 | /* slurp in this section's info */ |
3b6121f6 LS |
670 | while (read_one_header_line(&line, fin)) |
671 | check_header(&line, p_hdr_data, 0); | |
2744b234 | 672 | |
3b6121f6 | 673 | strbuf_release(&newline); |
a9fd1383 JH |
674 | /* replenish line */ |
675 | if (strbuf_getline(&line, fin, '\n')) | |
676 | return 0; | |
677 | strbuf_addch(&line, '\n'); | |
678 | return 1; | |
d4a9ce78 JH |
679 | } |
680 | ||
3b6121f6 | 681 | static inline int patchbreak(const struct strbuf *line) |
f0658cf2 | 682 | { |
3b6121f6 LS |
683 | size_t i; |
684 | ||
f0658cf2 | 685 | /* Beginning of a "diff -" header? */ |
3b6121f6 | 686 | if (!prefixcmp(line->buf, "diff -")) |
f0658cf2 DZ |
687 | return 1; |
688 | ||
689 | /* CVS "Index: " line? */ | |
3b6121f6 | 690 | if (!prefixcmp(line->buf, "Index: ")) |
f0658cf2 DZ |
691 | return 1; |
692 | ||
693 | /* | |
694 | * "--- <filename>" starts patches without headers | |
695 | * "---<sp>*" is a manual separator | |
696 | */ | |
3b6121f6 LS |
697 | if (line->len < 4) |
698 | return 0; | |
699 | ||
700 | if (!prefixcmp(line->buf, "---")) { | |
f0658cf2 | 701 | /* space followed by a filename? */ |
3b6121f6 | 702 | if (line->buf[3] == ' ' && !isspace(line->buf[4])) |
f0658cf2 DZ |
703 | return 1; |
704 | /* Just whitespace? */ | |
3b6121f6 LS |
705 | for (i = 3; i < line->len; i++) { |
706 | unsigned char c = line->buf[i]; | |
f0658cf2 DZ |
707 | if (c == '\n') |
708 | return 1; | |
709 | if (!isspace(c)) | |
710 | break; | |
711 | } | |
712 | return 0; | |
713 | } | |
714 | return 0; | |
715 | } | |
716 | ||
200c75f0 JH |
717 | static int is_scissors_line(const struct strbuf *line) |
718 | { | |
719 | size_t i, len = line->len; | |
720 | int scissors = 0, gap = 0; | |
721 | int first_nonblank = -1; | |
722 | int last_nonblank = 0, visible, perforation = 0, in_perforation = 0; | |
723 | const char *buf = line->buf; | |
724 | ||
725 | for (i = 0; i < len; i++) { | |
726 | if (isspace(buf[i])) { | |
727 | if (in_perforation) { | |
728 | perforation++; | |
729 | gap++; | |
730 | } | |
731 | continue; | |
732 | } | |
733 | last_nonblank = i; | |
734 | if (first_nonblank < 0) | |
735 | first_nonblank = i; | |
736 | if (buf[i] == '-') { | |
737 | in_perforation = 1; | |
738 | perforation++; | |
739 | continue; | |
740 | } | |
741 | if (i + 1 < len && | |
742 | (!memcmp(buf + i, ">8", 2) || !memcmp(buf + i, "8<", 2))) { | |
743 | in_perforation = 1; | |
744 | perforation += 2; | |
745 | scissors += 2; | |
746 | i++; | |
747 | continue; | |
748 | } | |
749 | in_perforation = 0; | |
750 | } | |
751 | ||
752 | /* | |
753 | * The mark must be at least 8 bytes long (e.g. "-- >8 --"). | |
754 | * Even though there can be arbitrary cruft on the same line | |
755 | * (e.g. "cut here"), in order to avoid misidentification, the | |
756 | * perforation must occupy more than a third of the visible | |
757 | * width of the line, and dashes and scissors must occupy more | |
758 | * than half of the perforation. | |
759 | */ | |
760 | ||
761 | visible = last_nonblank - first_nonblank + 1; | |
762 | return (scissors && 8 <= visible && | |
763 | visible < perforation * 3 && | |
764 | gap * 2 < perforation); | |
765 | } | |
766 | ||
3b6121f6 | 767 | static int handle_commit_msg(struct strbuf *line) |
d4a9ce78 | 768 | { |
87ab7992 DZ |
769 | static int still_looking = 1; |
770 | ||
d4a9ce78 JH |
771 | if (!cmitmsg) |
772 | return 0; | |
2744b234 | 773 | |
87ab7992 | 774 | if (still_looking) { |
3b6121f6 LS |
775 | strbuf_ltrim(line); |
776 | if (!line->len) | |
777 | return 0; | |
d25e5159 LS |
778 | } |
779 | ||
780 | if (use_inbody_headers && still_looking) { | |
200c75f0 JH |
781 | still_looking = check_header(line, s_hdr_data, 0); |
782 | if (still_looking) | |
87ab7992 | 783 | return 0; |
d25e5159 LS |
784 | } else |
785 | /* Only trim the first (blank) line of the commit message | |
786 | * when ignoring in-body headers. | |
787 | */ | |
788 | still_looking = 0; | |
8b4525fb | 789 | |
86747c13 DZ |
790 | /* normalize the log message to UTF-8. */ |
791 | if (metainfo_charset) | |
3b6121f6 | 792 | convert_to_utf8(line, charset.buf); |
86747c13 | 793 | |
017678b4 | 794 | if (use_scissors && is_scissors_line(line)) { |
200c75f0 | 795 | int i; |
1be224ba JH |
796 | if (fseek(cmitmsg, 0L, SEEK_SET)) |
797 | die_errno("Could not rewind output message file"); | |
798 | if (ftruncate(fileno(cmitmsg), 0)) | |
799 | die_errno("Could not truncate output message file at scissors"); | |
200c75f0 JH |
800 | still_looking = 1; |
801 | ||
802 | /* | |
803 | * We may have already read "secondary headers"; purge | |
804 | * them to give ourselves a clean restart. | |
805 | */ | |
806 | for (i = 0; header[i]; i++) { | |
807 | if (s_hdr_data[i]) | |
808 | strbuf_release(s_hdr_data[i]); | |
809 | s_hdr_data[i] = NULL; | |
810 | } | |
811 | return 0; | |
812 | } | |
813 | ||
f0658cf2 | 814 | if (patchbreak(line)) { |
87ab7992 DZ |
815 | fclose(cmitmsg); |
816 | cmitmsg = NULL; | |
817 | return 1; | |
818 | } | |
8b4525fb | 819 | |
3b6121f6 | 820 | fputs(line->buf, cmitmsg); |
d4a9ce78 | 821 | return 0; |
2744b234 LT |
822 | } |
823 | ||
3b6121f6 | 824 | static void handle_patch(const struct strbuf *line) |
2744b234 | 825 | { |
3b6121f6 | 826 | fwrite(line->buf, 1, line->len, patchfile); |
87ab7992 | 827 | patch_lines++; |
2744b234 LT |
828 | } |
829 | ||
3b6121f6 | 830 | static void handle_filter(struct strbuf *line) |
2744b234 | 831 | { |
87ab7992 | 832 | static int filter = 0; |
2744b234 | 833 | |
3b6121f6 | 834 | /* filter tells us which part we left off on */ |
87ab7992 DZ |
835 | switch (filter) { |
836 | case 0: | |
3b6121f6 | 837 | if (!handle_commit_msg(line)) |
d4a9ce78 | 838 | break; |
87ab7992 DZ |
839 | filter++; |
840 | case 1: | |
3b6121f6 LS |
841 | handle_patch(line); |
842 | break; | |
2744b234 LT |
843 | } |
844 | } | |
845 | ||
87ab7992 | 846 | static void handle_body(void) |
1d8fa411 | 847 | { |
3b6121f6 | 848 | struct strbuf prev = STRBUF_INIT; |
d4a9ce78 JH |
849 | |
850 | /* Skip up to the first boundary */ | |
3b6121f6 | 851 | if (*content_top) { |
87ab7992 | 852 | if (!find_boundary()) |
3b6121f6 | 853 | goto handle_body_out; |
87ab7992 DZ |
854 | } |
855 | ||
856 | do { | |
857 | /* process any boundary lines */ | |
3b6121f6 | 858 | if (*content_top && is_multipart_boundary(&line)) { |
87ab7992 | 859 | /* flush any leftover */ |
a9fd1383 JH |
860 | if (prev.len) { |
861 | handle_filter(&prev); | |
862 | strbuf_reset(&prev); | |
863 | } | |
87ab7992 | 864 | if (!handle_boundary()) |
3b6121f6 | 865 | goto handle_body_out; |
87ab7992 DZ |
866 | } |
867 | ||
86747c13 | 868 | /* Unwrap transfer encoding */ |
3b6121f6 | 869 | decode_transfer_encoding(&line); |
87ab7992 DZ |
870 | |
871 | switch (transfer_encoding) { | |
872 | case TE_BASE64: | |
87f1b884 | 873 | case TE_QP: |
87ab7992 | 874 | { |
3b6121f6 LS |
875 | struct strbuf **lines, **it, *sb; |
876 | ||
877 | /* Prepend any previous partial lines */ | |
878 | strbuf_insert(&line, 0, prev.buf, prev.len); | |
879 | strbuf_reset(&prev); | |
87ab7992 DZ |
880 | |
881 | /* binary data most likely doesn't have newlines */ | |
882 | if (message_type != TYPE_TEXT) { | |
3b6121f6 | 883 | handle_filter(&line); |
87ab7992 DZ |
884 | break; |
885 | } | |
9aa23094 JH |
886 | /* |
887 | * This is a decoded line that may contain | |
87ab7992 DZ |
888 | * multiple new lines. Pass only one chunk |
889 | * at a time to handle_filter() | |
890 | */ | |
3b6121f6 LS |
891 | lines = strbuf_split(&line, '\n'); |
892 | for (it = lines; (sb = *it); it++) { | |
893 | if (*(it + 1) == NULL) /* The last line */ | |
894 | if (sb->buf[sb->len - 1] != '\n') { | |
895 | /* Partial line, save it for later. */ | |
896 | strbuf_addbuf(&prev, sb); | |
897 | break; | |
898 | } | |
899 | handle_filter(sb); | |
900 | } | |
9aa23094 | 901 | /* |
3b6121f6 | 902 | * The partial chunk is saved in "prev" and will be |
9aa23094 | 903 | * appended by the next iteration of read_line_with_nul(). |
87ab7992 | 904 | */ |
3b6121f6 | 905 | strbuf_list_free(lines); |
d4a9ce78 | 906 | break; |
1d8fa411 | 907 | } |
87ab7992 | 908 | default: |
3b6121f6 | 909 | handle_filter(&line); |
d4a9ce78 | 910 | } |
87ab7992 | 911 | |
c8f373a5 | 912 | } while (!strbuf_getwholeline(&line, fin, '\n')); |
3b6121f6 LS |
913 | |
914 | handle_body_out: | |
915 | strbuf_release(&prev); | |
1d8fa411 JH |
916 | } |
917 | ||
3b6121f6 | 918 | static void output_header_lines(FILE *fout, const char *hdr, const struct strbuf *data) |
d7f6bae2 | 919 | { |
3b6121f6 | 920 | const char *sp = data->buf; |
d7f6bae2 | 921 | while (1) { |
3b6121f6 | 922 | char *ep = strchr(sp, '\n'); |
d7f6bae2 JH |
923 | int len; |
924 | if (!ep) | |
3b6121f6 | 925 | len = strlen(sp); |
d7f6bae2 | 926 | else |
3b6121f6 LS |
927 | len = ep - sp; |
928 | fprintf(fout, "%s: %.*s\n", hdr, len, sp); | |
d7f6bae2 JH |
929 | if (!ep) |
930 | break; | |
3b6121f6 | 931 | sp = ep + 1; |
d7f6bae2 JH |
932 | } |
933 | } | |
934 | ||
87ab7992 | 935 | static void handle_info(void) |
2744b234 | 936 | { |
3b6121f6 | 937 | struct strbuf *hdr; |
87ab7992 DZ |
938 | int i; |
939 | ||
940 | for (i = 0; header[i]; i++) { | |
87ab7992 DZ |
941 | /* only print inbody headers if we output a patch file */ |
942 | if (patch_lines && s_hdr_data[i]) | |
943 | hdr = s_hdr_data[i]; | |
944 | else if (p_hdr_data[i]) | |
945 | hdr = p_hdr_data[i]; | |
946 | else | |
947 | continue; | |
948 | ||
949 | if (!memcmp(header[i], "Subject", 7)) { | |
3b6121f6 LS |
950 | if (!keep_subject) { |
951 | cleanup_subject(hdr); | |
952 | cleanup_space(hdr); | |
d7f6bae2 | 953 | } |
3b6121f6 | 954 | output_header_lines(fout, "Subject", hdr); |
87ab7992 | 955 | } else if (!memcmp(header[i], "From", 4)) { |
ddfb3696 | 956 | cleanup_space(hdr); |
87ab7992 | 957 | handle_from(hdr); |
3b6121f6 LS |
958 | fprintf(fout, "Author: %s\n", name.buf); |
959 | fprintf(fout, "Email: %s\n", email.buf); | |
87ab7992 DZ |
960 | } else { |
961 | cleanup_space(hdr); | |
3b6121f6 | 962 | fprintf(fout, "%s: %s\n", header[i], hdr->buf); |
87ab7992 | 963 | } |
d4a9ce78 | 964 | } |
87ab7992 | 965 | fprintf(fout, "\n"); |
2744b234 LT |
966 | } |
967 | ||
606417bc | 968 | static int mailinfo(FILE *in, FILE *out, const char *msg, const char *patch) |
34488e3c | 969 | { |
f88a545a | 970 | int peek; |
34488e3c LS |
971 | fin = in; |
972 | fout = out; | |
973 | ||
974 | cmitmsg = fopen(msg, "w"); | |
975 | if (!cmitmsg) { | |
976 | perror(msg); | |
977 | return -1; | |
978 | } | |
979 | patchfile = fopen(patch, "w"); | |
980 | if (!patchfile) { | |
981 | perror(patch); | |
982 | fclose(cmitmsg); | |
983 | return -1; | |
984 | } | |
87ab7992 | 985 | |
3b6121f6 LS |
986 | p_hdr_data = xcalloc(MAX_HDR_PARSED, sizeof(*p_hdr_data)); |
987 | s_hdr_data = xcalloc(MAX_HDR_PARSED, sizeof(*s_hdr_data)); | |
87ab7992 | 988 | |
f88a545a SS |
989 | do { |
990 | peek = fgetc(in); | |
991 | } while (isspace(peek)); | |
992 | ungetc(peek, in); | |
993 | ||
87ab7992 | 994 | /* process the email header */ |
3b6121f6 LS |
995 | while (read_one_header_line(&line, fin)) |
996 | check_header(&line, p_hdr_data, 1); | |
87ab7992 DZ |
997 | |
998 | handle_body(); | |
999 | handle_info(); | |
34488e3c LS |
1000 | |
1001 | return 0; | |
1002 | } | |
1003 | ||
43485d3d JH |
1004 | static int git_mailinfo_config(const char *var, const char *value, void *unused) |
1005 | { | |
1006 | if (prefixcmp(var, "mailinfo.")) | |
1007 | return git_default_config(var, value, unused); | |
1008 | if (!strcmp(var, "mailinfo.scissors")) { | |
1009 | use_scissors = git_config_bool(var, value); | |
1010 | return 0; | |
1011 | } | |
1012 | /* perhaps others here */ | |
1013 | return 0; | |
1014 | } | |
1015 | ||
6bff6a60 | 1016 | static const char mailinfo_usage[] = |
434a6db7 | 1017 | "git mailinfo [-k] [-u | --encoding=<encoding> | -n] [--scissors | --no-scissors] msg patch < mail >info"; |
d4a9ce78 | 1018 | |
a633fca0 | 1019 | int cmd_mailinfo(int argc, const char **argv, const char *prefix) |
2744b234 | 1020 | { |
bb1091a4 JH |
1021 | const char *def_charset; |
1022 | ||
f1f909e3 JH |
1023 | /* NEEDSWORK: might want to do the optional .git/ directory |
1024 | * discovery | |
1025 | */ | |
43485d3d | 1026 | git_config(git_mailinfo_config, NULL); |
f1f909e3 | 1027 | |
330db18c | 1028 | def_charset = (git_commit_encoding ? git_commit_encoding : "UTF-8"); |
bb1091a4 JH |
1029 | metainfo_charset = def_charset; |
1030 | ||
6bff6a60 JH |
1031 | while (1 < argc && argv[1][0] == '-') { |
1032 | if (!strcmp(argv[1], "-k")) | |
1033 | keep_subject = 1; | |
d4a9ce78 | 1034 | else if (!strcmp(argv[1], "-u")) |
bb1091a4 JH |
1035 | metainfo_charset = def_charset; |
1036 | else if (!strcmp(argv[1], "-n")) | |
1037 | metainfo_charset = NULL; | |
cc44c765 | 1038 | else if (!prefixcmp(argv[1], "--encoding=")) |
9f63892b | 1039 | metainfo_charset = argv[1] + 11; |
017678b4 JH |
1040 | else if (!strcmp(argv[1], "--scissors")) |
1041 | use_scissors = 1; | |
1042 | else if (!strcmp(argv[1], "--no-scissors")) | |
1043 | use_scissors = 0; | |
d25e5159 LS |
1044 | else if (!strcmp(argv[1], "--no-inbody-headers")) |
1045 | use_inbody_headers = 0; | |
d4a9ce78 | 1046 | else |
f1f909e3 | 1047 | usage(mailinfo_usage); |
6bff6a60 JH |
1048 | argc--; argv++; |
1049 | } | |
1050 | ||
a196d8d4 | 1051 | if (argc != 3) |
f1f909e3 | 1052 | usage(mailinfo_usage); |
34488e3c | 1053 | |
606417bc | 1054 | return !!mailinfo(stdin, stdout, argv[1], argv[2]); |
2744b234 | 1055 | } |