7 static void cleanup_space(struct strbuf *sb)
10 for (pos = 0; pos < sb->len; pos++) {
11 if (isspace(sb->buf[pos])) {
13 for (cnt = 0; isspace(sb->buf[pos + cnt + 1]); cnt++);
14 strbuf_remove(sb, pos + 1, cnt);
19 static void get_sane_name(struct strbuf *out, struct strbuf *name, struct strbuf *email)
21 struct strbuf *src = name;
22 if (name->len < 3 || 60 < name->len || strpbrk(name->buf, "@<>"))
27 strbuf_addbuf(out, src);
30 static void parse_bogus_from(struct mailinfo *mi, const struct strbuf *line)
32 /* John Doe <johndoe> */
35 /* This is fallback, so do not bother if we already have an
41 bra = strchr(line->buf, '<');
44 ket = strchr(bra, '>');
48 strbuf_reset(&mi->email);
49 strbuf_add(&mi->email, bra + 1, ket - bra - 1);
51 strbuf_reset(&mi->name);
52 strbuf_add(&mi->name, line->buf, bra - line->buf);
53 strbuf_trim(&mi->name);
54 get_sane_name(&mi->name, &mi->name, &mi->email);
57 static const char *unquote_comment(struct strbuf *outbuf, const char *in)
60 int take_next_literally = 0;
62 strbuf_addch(outbuf, '(');
64 while ((c = *in++) != 0) {
65 if (take_next_literally == 1) {
66 take_next_literally = 0;
70 take_next_literally = 1;
73 in = unquote_comment(outbuf, in);
76 strbuf_addch(outbuf, ')');
81 strbuf_addch(outbuf, c);
87 static const char *unquote_quoted_string(struct strbuf *outbuf, const char *in)
90 int take_next_literally = 0;
92 while ((c = *in++) != 0) {
93 if (take_next_literally == 1) {
94 take_next_literally = 0;
98 take_next_literally = 1;
105 strbuf_addch(outbuf, c);
111 static void unquote_quoted_pair(struct strbuf *line)
113 struct strbuf outbuf;
114 const char *in = line->buf;
117 strbuf_init(&outbuf, line->len);
119 while ((c = *in++) != 0) {
122 in = unquote_quoted_string(&outbuf, in);
125 in = unquote_comment(&outbuf, in);
129 strbuf_addch(&outbuf, c);
132 strbuf_swap(&outbuf, line);
133 strbuf_release(&outbuf);
137 static void handle_from(struct mailinfo *mi, const struct strbuf *from)
143 strbuf_init(&f, from->len);
144 strbuf_addbuf(&f, from);
146 unquote_quoted_pair(&f);
148 at = strchr(f.buf, '@');
150 parse_bogus_from(mi, from);
155 * If we already have one email, don't take any confusing lines
157 if (mi->email.len && strchr(at + 1, '@'))
160 /* Pick up the string around '@', possibly delimited with <>
161 * pair; that is the email part.
173 el = strcspn(at, " \n\t\r\v\f>");
174 strbuf_reset(&mi->email);
175 strbuf_add(&mi->email, at, el);
176 strbuf_remove(&f, at - f.buf, el + (at[el] ? 1 : 0));
178 /* The remainder is name. It could be
180 * - "John Doe <john.doe@xz>" (a), or
181 * - "john.doe@xz (John Doe)" (b), or
182 * - "John (zzz) Doe <john.doe@xz> (Comment)" (c)
184 * but we have removed the email part, so
186 * - remove extra spaces which could stay after email (case 'c'), and
187 * - trim from both ends, possibly removing the () pair at the end
188 * (cases 'a' and 'b').
192 if (f.buf[0] == '(' && f.len && f.buf[f.len - 1] == ')') {
193 strbuf_remove(&f, 0, 1);
194 strbuf_setlen(&f, f.len - 1);
197 get_sane_name(&mi->name, &f, &mi->email);
202 static void handle_header(struct strbuf **out, const struct strbuf *line)
205 *out = xmalloc(sizeof(struct strbuf));
206 strbuf_init(*out, line->len);
210 strbuf_addbuf(*out, line);
213 /* NOTE NOTE NOTE. We do not claim we do full MIME. We just attempt
214 * to have enough heuristics to grok MIME encoded patches often found
215 * on our mailing lists. For example, we do not even treat header lines
216 * case insensitively.
219 static int slurp_attr(const char *line, const char *name, struct strbuf *attr)
221 const char *ends, *ap = strcasestr(line, name);
224 strbuf_setlen(attr, 0);
234 sz = strcspn(ap, ends);
235 strbuf_add(attr, ap, sz);
239 static int has_attr_value(const char *line, const char *name, const char *value)
241 struct strbuf sb = STRBUF_INIT;
242 int rc = slurp_attr(line, name, &sb) && !strcasecmp(sb.buf, value);
247 static void handle_content_type(struct mailinfo *mi, struct strbuf *line)
249 struct strbuf *boundary = xmalloc(sizeof(struct strbuf));
250 strbuf_init(boundary, line->len);
252 mi->format_flowed = has_attr_value(line->buf, "format=", "flowed");
253 mi->delsp = has_attr_value(line->buf, "delsp=", "yes");
255 if (slurp_attr(line->buf, "boundary=", boundary)) {
256 strbuf_insertstr(boundary, 0, "--");
257 if (++mi->content_top >= &mi->content[MAX_BOUNDARIES]) {
258 error("Too many boundaries to handle");
259 mi->input_error = -1;
260 mi->content_top = &mi->content[MAX_BOUNDARIES] - 1;
263 *(mi->content_top) = boundary;
266 slurp_attr(line->buf, "charset=", &mi->charset);
269 strbuf_release(boundary);
274 static void handle_content_transfer_encoding(struct mailinfo *mi,
275 const struct strbuf *line)
277 if (strcasestr(line->buf, "base64"))
278 mi->transfer_encoding = TE_BASE64;
279 else if (strcasestr(line->buf, "quoted-printable"))
280 mi->transfer_encoding = TE_QP;
282 mi->transfer_encoding = TE_DONTCARE;
285 static int is_multipart_boundary(struct mailinfo *mi, const struct strbuf *line)
287 struct strbuf *content_top = *(mi->content_top);
289 return ((content_top->len <= line->len) &&
290 !memcmp(line->buf, content_top->buf, content_top->len));
293 static void cleanup_subject(struct mailinfo *mi, struct strbuf *subject)
297 while (at < subject->len) {
301 switch (subject->buf[at]) {
303 if (subject->len <= at + 3)
305 if ((subject->buf[at + 1] == 'e' ||
306 subject->buf[at + 1] == 'E') &&
307 subject->buf[at + 2] == ':') {
308 strbuf_remove(subject, at, 3);
313 case ' ': case '\t': case ':':
314 strbuf_remove(subject, at, 1);
317 pos = strchr(subject->buf + at, ']');
320 remove = pos - subject->buf + at + 1;
321 if (!mi->keep_non_patch_brackets_in_subject ||
323 memmem(subject->buf + at, remove, "PATCH", 5)))
324 strbuf_remove(subject, at, remove);
328 * If the input had a space after the ], keep
329 * it. We don't bother with finding the end of
330 * the space, since we later normalize it
333 if (isspace(subject->buf[at]))
340 strbuf_trim(subject);
343 #define MAX_HDR_PARSED 10
344 static const char *header[MAX_HDR_PARSED] = {
345 "From","Subject","Date",
348 static inline int skip_header(const struct strbuf *line, const char *hdr,
352 if (!skip_iprefix(line->buf, hdr, &val) ||
355 while (isspace(*val))
361 static int is_format_patch_separator(const char *line, int len)
363 static const char SAMPLE[] =
364 "From e6807f3efca28b30decfecb1732a56c7db1137ee Mon Sep 17 00:00:00 2001\n";
367 if (len != strlen(SAMPLE))
369 if (!skip_prefix(line, "From ", &cp))
371 if (strspn(cp, "0123456789abcdef") != 40)
374 return !memcmp(SAMPLE + (cp - line), cp, strlen(SAMPLE) - (cp - line));
377 static struct strbuf *decode_q_segment(const struct strbuf *q_seg, int rfc2047)
379 const char *in = q_seg->buf;
381 struct strbuf *out = xmalloc(sizeof(struct strbuf));
382 strbuf_init(out, q_seg->len);
384 while ((c = *in++) != 0) {
388 break; /* drop trailing newline */
391 strbuf_addch(out, ch);
395 /* garbage -- fall through */
397 if (rfc2047 && c == '_') /* rfc2047 4.2 (2) */
399 strbuf_addch(out, c);
404 static struct strbuf *decode_b_segment(const struct strbuf *b_seg)
406 /* Decode in..ep, possibly in-place to ot */
407 int c, pos = 0, acc = 0;
408 const char *in = b_seg->buf;
409 struct strbuf *out = xmalloc(sizeof(struct strbuf));
410 strbuf_init(out, b_seg->len);
412 while ((c = *in++) != 0) {
417 else if ('A' <= c && c <= 'Z')
419 else if ('a' <= c && c <= 'z')
421 else if ('0' <= c && c <= '9')
424 continue; /* garbage */
430 strbuf_addch(out, (acc | (c >> 4)));
434 strbuf_addch(out, (acc | (c >> 2)));
438 strbuf_addch(out, (acc | c));
446 static int convert_to_utf8(struct mailinfo *mi,
447 struct strbuf *line, const char *charset)
452 if (!mi->metainfo_charset || !charset || !*charset)
455 if (same_encoding(mi->metainfo_charset, charset))
457 out = reencode_string_len(line->buf, line->len,
458 mi->metainfo_charset, charset, &out_len);
460 mi->input_error = -1;
461 return error("cannot convert from %s to %s",
462 charset, mi->metainfo_charset);
464 strbuf_attach(line, out, out_len, out_len);
468 static void decode_header(struct mailinfo *mi, struct strbuf *it)
471 struct strbuf outbuf = STRBUF_INIT, *dec;
472 struct strbuf charset_q = STRBUF_INIT, piecebuf = STRBUF_INIT;
473 int found_error = 1; /* pessimism */
476 while (in - it->buf <= it->len && (ep = strstr(in, "=?")) != NULL) {
478 strbuf_reset(&charset_q);
479 strbuf_reset(&piecebuf);
483 * We are about to process an encoded-word
484 * that begins at ep, but there is something
485 * before the encoded word.
488 for (scan = in; scan < ep; scan++)
492 if (scan != ep || in == it->buf) {
494 * We should not lose that "something",
495 * unless we have just processed an
496 * encoded-word, and there is only LWS
497 * before the one we are about to process.
499 strbuf_add(&outbuf, in, ep - in);
503 * ep : "=?iso-2022-jp?B?GyR...?= foo"
504 * ep : "=?ISO-8859-1?Q?Foo=FCbar?= baz"
508 if (ep - it->buf >= it->len || !(cp = strchr(ep, '?')))
511 if (cp + 3 - it->buf > it->len)
513 strbuf_add(&charset_q, ep, cp - ep);
516 if (!encoding || cp[2] != '?')
518 ep = strstr(cp + 3, "?=");
521 strbuf_add(&piecebuf, cp + 3, ep - cp - 3);
522 switch (tolower(encoding)) {
526 dec = decode_b_segment(&piecebuf);
529 dec = decode_q_segment(&piecebuf, 1);
532 if (convert_to_utf8(mi, dec, charset_q.buf))
535 strbuf_addbuf(&outbuf, dec);
540 strbuf_addstr(&outbuf, in);
542 strbuf_addbuf(it, &outbuf);
545 strbuf_release(&outbuf);
546 strbuf_release(&charset_q);
547 strbuf_release(&piecebuf);
550 mi->input_error = -1;
554 * Returns true if "line" contains a header matching "hdr", in which case "val"
555 * will contain the value of the header with any RFC2047 B and Q encoding
556 * unwrapped, and optionally normalize the meta information to utf8.
558 static int parse_header(const struct strbuf *line,
565 if (!skip_header(line, hdr, &val_str))
567 strbuf_addstr(val, val_str);
568 decode_header(mi, val);
572 static int check_header(struct mailinfo *mi,
573 const struct strbuf *line,
574 struct strbuf *hdr_data[], int overwrite)
577 struct strbuf sb = STRBUF_INIT;
579 /* search for the interesting parts */
580 for (i = 0; header[i]; i++) {
581 if ((!hdr_data[i] || overwrite) &&
582 parse_header(line, header[i], mi, &sb)) {
583 handle_header(&hdr_data[i], &sb);
585 goto check_header_out;
590 if (parse_header(line, "Content-Type", mi, &sb)) {
591 handle_content_type(mi, &sb);
593 goto check_header_out;
595 if (parse_header(line, "Content-Transfer-Encoding", mi, &sb)) {
596 handle_content_transfer_encoding(mi, &sb);
598 goto check_header_out;
600 if (parse_header(line, "Message-Id", mi, &sb)) {
601 if (mi->add_message_id)
602 mi->message_id = strbuf_detach(&sb, NULL);
604 goto check_header_out;
613 * Returns 1 if the given line or any line beginning with the given line is an
614 * in-body header (that is, check_header will succeed when passed
617 static int is_inbody_header(const struct mailinfo *mi,
618 const struct strbuf *line)
622 for (i = 0; header[i]; i++)
623 if (!mi->s_hdr_data[i] && skip_header(line, header[i], &val))
628 static void decode_transfer_encoding(struct mailinfo *mi, struct strbuf *line)
632 switch (mi->transfer_encoding) {
634 ret = decode_q_segment(line, 0);
637 ret = decode_b_segment(line);
644 strbuf_addbuf(line, ret);
649 static inline int patchbreak(const struct strbuf *line)
653 /* Beginning of a "diff -" header? */
654 if (starts_with(line->buf, "diff -"))
657 /* CVS "Index: " line? */
658 if (starts_with(line->buf, "Index: "))
662 * "--- <filename>" starts patches without headers
663 * "---<sp>*" is a manual separator
668 if (starts_with(line->buf, "---")) {
669 /* space followed by a filename? */
670 if (line->buf[3] == ' ' && !isspace(line->buf[4]))
672 /* Just whitespace? */
673 for (i = 3; i < line->len; i++) {
674 unsigned char c = line->buf[i];
685 static int is_scissors_line(const char *line)
688 int scissors = 0, gap = 0;
689 const char *first_nonblank = NULL, *last_nonblank = NULL;
690 int visible, perforation = 0, in_perforation = 0;
692 for (c = line; *c; c++) {
694 if (in_perforation) {
701 if (first_nonblank == NULL)
708 if ((!memcmp(c, ">8", 2) || !memcmp(c, "8<", 2) ||
709 !memcmp(c, ">%", 2) || !memcmp(c, "%<", 2))) {
720 * The mark must be at least 8 bytes long (e.g. "-- >8 --").
721 * Even though there can be arbitrary cruft on the same line
722 * (e.g. "cut here"), in order to avoid misidentification, the
723 * perforation must occupy more than a third of the visible
724 * width of the line, and dashes and scissors must occupy more
725 * than half of the perforation.
728 if (first_nonblank && last_nonblank)
729 visible = last_nonblank - first_nonblank + 1;
732 return (scissors && 8 <= visible &&
733 visible < perforation * 3 &&
734 gap * 2 < perforation);
737 static void flush_inbody_header_accum(struct mailinfo *mi)
739 if (!mi->inbody_header_accum.len)
741 if (!check_header(mi, &mi->inbody_header_accum, mi->s_hdr_data, 0))
742 BUG("inbody_header_accum, if not empty, must always contain a valid in-body header");
743 strbuf_reset(&mi->inbody_header_accum);
746 static int check_inbody_header(struct mailinfo *mi, const struct strbuf *line)
748 if (mi->inbody_header_accum.len &&
749 (line->buf[0] == ' ' || line->buf[0] == '\t')) {
750 if (mi->use_scissors && is_scissors_line(line->buf)) {
752 * This is a scissors line; do not consider this line
753 * as a header continuation line.
755 flush_inbody_header_accum(mi);
758 strbuf_strip_suffix(&mi->inbody_header_accum, "\n");
759 strbuf_addbuf(&mi->inbody_header_accum, line);
763 flush_inbody_header_accum(mi);
765 if (starts_with(line->buf, ">From") && isspace(line->buf[5]))
766 return is_format_patch_separator(line->buf + 1, line->len - 1);
767 if (starts_with(line->buf, "[PATCH]") && isspace(line->buf[7])) {
769 for (i = 0; header[i]; i++)
770 if (!strcmp("Subject", header[i])) {
771 handle_header(&mi->s_hdr_data[i], line);
776 if (is_inbody_header(mi, line)) {
777 strbuf_addbuf(&mi->inbody_header_accum, line);
783 static int handle_commit_msg(struct mailinfo *mi, struct strbuf *line)
785 assert(!mi->filter_stage);
787 if (mi->header_stage) {
788 if (!line->len || (line->len == 1 && line->buf[0] == '\n')) {
789 if (mi->inbody_header_accum.len) {
790 flush_inbody_header_accum(mi);
791 mi->header_stage = 0;
797 if (mi->use_inbody_headers && mi->header_stage) {
798 mi->header_stage = check_inbody_header(mi, line);
799 if (mi->header_stage)
802 /* Only trim the first (blank) line of the commit message
803 * when ignoring in-body headers.
805 mi->header_stage = 0;
807 /* normalize the log message to UTF-8. */
808 if (convert_to_utf8(mi, line, mi->charset.buf))
809 return 0; /* mi->input_error already set */
811 if (mi->use_scissors && is_scissors_line(line->buf)) {
814 strbuf_setlen(&mi->log_message, 0);
815 mi->header_stage = 1;
818 * We may have already read "secondary headers"; purge
819 * them to give ourselves a clean restart.
821 for (i = 0; header[i]; i++) {
822 if (mi->s_hdr_data[i])
823 strbuf_release(mi->s_hdr_data[i]);
824 mi->s_hdr_data[i] = NULL;
829 if (patchbreak(line)) {
831 strbuf_addf(&mi->log_message,
832 "Message-Id: %s\n", mi->message_id);
836 strbuf_addbuf(&mi->log_message, line);
840 static void handle_patch(struct mailinfo *mi, const struct strbuf *line)
842 fwrite(line->buf, 1, line->len, mi->patchfile);
846 static void handle_filter(struct mailinfo *mi, struct strbuf *line)
848 switch (mi->filter_stage) {
850 if (!handle_commit_msg(mi, line))
855 handle_patch(mi, line);
860 static int is_rfc2822_header(const struct strbuf *line)
863 * The section that defines the loosest possible
864 * field name is "3.6.8 Optional fields".
866 * optional-field = field-name ":" unstructured CRLF
867 * field-name = 1*ftext
868 * ftext = %d33-57 / %59-126
871 char *cp = line->buf;
873 /* Count mbox From headers as headers */
874 if (starts_with(cp, "From ") || starts_with(cp, ">From "))
877 while ((ch = *cp++)) {
880 if ((33 <= ch && ch <= 57) ||
881 (59 <= ch && ch <= 126))
888 static int read_one_header_line(struct strbuf *line, FILE *in)
890 struct strbuf continuation = STRBUF_INIT;
892 /* Get the first part of the line. */
893 if (strbuf_getline_lf(line, in))
897 * Is it an empty line or not a valid rfc2822 header?
898 * If so, stop here, and return false ("not a header")
901 if (!line->len || !is_rfc2822_header(line)) {
902 /* Re-add the newline */
903 strbuf_addch(line, '\n');
908 * Now we need to eat all the continuation lines..
909 * Yuck, 2822 header "folding"
918 if (peek != ' ' && peek != '\t')
920 if (strbuf_getline_lf(&continuation, in))
922 continuation.buf[0] = ' ';
923 strbuf_rtrim(&continuation);
924 strbuf_addbuf(line, &continuation);
926 strbuf_release(&continuation);
931 static int find_boundary(struct mailinfo *mi, struct strbuf *line)
933 while (!strbuf_getline_lf(line, mi->input)) {
934 if (*(mi->content_top) && is_multipart_boundary(mi, line))
940 static int handle_boundary(struct mailinfo *mi, struct strbuf *line)
942 struct strbuf newline = STRBUF_INIT;
944 strbuf_addch(&newline, '\n');
946 if (line->len >= (*(mi->content_top))->len + 2 &&
947 !memcmp(line->buf + (*(mi->content_top))->len, "--", 2)) {
948 /* we hit an end boundary */
949 /* pop the current boundary off the stack */
950 strbuf_release(*(mi->content_top));
951 FREE_AND_NULL(*(mi->content_top));
953 /* technically won't happen as is_multipart_boundary()
954 will fail first. But just in case..
956 if (--mi->content_top < mi->content) {
957 error("Detected mismatched boundaries, can't recover");
958 mi->input_error = -1;
959 mi->content_top = mi->content;
960 strbuf_release(&newline);
963 handle_filter(mi, &newline);
964 strbuf_release(&newline);
968 /* skip to the next boundary */
969 if (!find_boundary(mi, line))
974 /* set some defaults */
975 mi->transfer_encoding = TE_DONTCARE;
976 strbuf_reset(&mi->charset);
978 /* slurp in this section's info */
979 while (read_one_header_line(line, mi->input))
980 check_header(mi, line, mi->p_hdr_data, 0);
982 strbuf_release(&newline);
984 if (strbuf_getline_lf(line, mi->input))
986 strbuf_addch(line, '\n');
990 static void handle_filter_flowed(struct mailinfo *mi, struct strbuf *line,
993 size_t len = line->len;
996 if (!mi->format_flowed) {
997 handle_filter(mi, line);
1001 if (line->buf[len - 1] == '\n') {
1003 if (len && line->buf[len - 1] == '\r')
1007 /* Keep signature separator as-is. */
1008 if (skip_prefix(line->buf, "-- ", &rest) && rest - line->buf == len) {
1010 handle_filter(mi, prev);
1013 handle_filter(mi, line);
1017 /* Unstuff space-stuffed line. */
1018 if (len && line->buf[0] == ' ') {
1019 strbuf_remove(line, 0, 1);
1023 /* Save flowed line for later, but without the soft line break. */
1024 if (len && line->buf[len - 1] == ' ') {
1025 strbuf_add(prev, line->buf, len - !!mi->delsp);
1029 /* Prepend any previous partial lines */
1030 strbuf_insert(line, 0, prev->buf, prev->len);
1033 handle_filter(mi, line);
1036 static void handle_body(struct mailinfo *mi, struct strbuf *line)
1038 struct strbuf prev = STRBUF_INIT;
1040 /* Skip up to the first boundary */
1041 if (*(mi->content_top)) {
1042 if (!find_boundary(mi, line))
1043 goto handle_body_out;
1047 /* process any boundary lines */
1048 if (*(mi->content_top) && is_multipart_boundary(mi, line)) {
1049 /* flush any leftover */
1051 handle_filter(mi, &prev);
1052 strbuf_reset(&prev);
1054 if (!handle_boundary(mi, line))
1055 goto handle_body_out;
1058 /* Unwrap transfer encoding */
1059 decode_transfer_encoding(mi, line);
1061 switch (mi->transfer_encoding) {
1065 struct strbuf **lines, **it, *sb;
1067 /* Prepend any previous partial lines */
1068 strbuf_insert(line, 0, prev.buf, prev.len);
1069 strbuf_reset(&prev);
1072 * This is a decoded line that may contain
1073 * multiple new lines. Pass only one chunk
1074 * at a time to handle_filter()
1076 lines = strbuf_split(line, '\n');
1077 for (it = lines; (sb = *it); it++) {
1078 if (*(it + 1) == NULL) /* The last line */
1079 if (sb->buf[sb->len - 1] != '\n') {
1080 /* Partial line, save it for later. */
1081 strbuf_addbuf(&prev, sb);
1084 handle_filter_flowed(mi, sb, &prev);
1087 * The partial chunk is saved in "prev" and will be
1088 * appended by the next iteration of read_line_with_nul().
1090 strbuf_list_free(lines);
1094 handle_filter_flowed(mi, line, &prev);
1097 if (mi->input_error)
1099 } while (!strbuf_getwholeline(line, mi->input, '\n'));
1102 handle_filter(mi, &prev);
1104 flush_inbody_header_accum(mi);
1107 strbuf_release(&prev);
1110 static void output_header_lines(FILE *fout, const char *hdr, const struct strbuf *data)
1112 const char *sp = data->buf;
1114 char *ep = strchr(sp, '\n');
1120 fprintf(fout, "%s: %.*s\n", hdr, len, sp);
1127 static void handle_info(struct mailinfo *mi)
1132 for (i = 0; header[i]; i++) {
1133 /* only print inbody headers if we output a patch file */
1134 if (mi->patch_lines && mi->s_hdr_data[i])
1135 hdr = mi->s_hdr_data[i];
1136 else if (mi->p_hdr_data[i])
1137 hdr = mi->p_hdr_data[i];
1141 if (memchr(hdr->buf, '\0', hdr->len)) {
1142 error("a NUL byte in '%s' is not allowed.", header[i]);
1143 mi->input_error = -1;
1146 if (!strcmp(header[i], "Subject")) {
1147 if (!mi->keep_subject) {
1148 cleanup_subject(mi, hdr);
1151 output_header_lines(mi->output, "Subject", hdr);
1152 } else if (!strcmp(header[i], "From")) {
1154 handle_from(mi, hdr);
1155 fprintf(mi->output, "Author: %s\n", mi->name.buf);
1156 fprintf(mi->output, "Email: %s\n", mi->email.buf);
1159 fprintf(mi->output, "%s: %s\n", header[i], hdr->buf);
1162 fprintf(mi->output, "\n");
1165 int mailinfo(struct mailinfo *mi, const char *msg, const char *patch)
1169 struct strbuf line = STRBUF_INIT;
1171 cmitmsg = fopen(msg, "w");
1176 mi->patchfile = fopen(patch, "w");
1177 if (!mi->patchfile) {
1183 mi->p_hdr_data = xcalloc(MAX_HDR_PARSED, sizeof(*(mi->p_hdr_data)));
1184 mi->s_hdr_data = xcalloc(MAX_HDR_PARSED, sizeof(*(mi->s_hdr_data)));
1187 peek = fgetc(mi->input);
1190 return error("empty patch: '%s'", patch);
1192 } while (isspace(peek));
1193 ungetc(peek, mi->input);
1195 /* process the email header */
1196 while (read_one_header_line(&line, mi->input))
1197 check_header(mi, &line, mi->p_hdr_data, 1);
1199 handle_body(mi, &line);
1200 fwrite(mi->log_message.buf, 1, mi->log_message.len, cmitmsg);
1202 fclose(mi->patchfile);
1205 strbuf_release(&line);
1206 return mi->input_error;
1209 static int git_mailinfo_config(const char *var, const char *value, void *mi_)
1211 struct mailinfo *mi = mi_;
1213 if (!starts_with(var, "mailinfo."))
1214 return git_default_config(var, value, NULL);
1215 if (!strcmp(var, "mailinfo.scissors")) {
1216 mi->use_scissors = git_config_bool(var, value);
1219 /* perhaps others here */
1223 void setup_mailinfo(struct mailinfo *mi)
1225 memset(mi, 0, sizeof(*mi));
1226 strbuf_init(&mi->name, 0);
1227 strbuf_init(&mi->email, 0);
1228 strbuf_init(&mi->charset, 0);
1229 strbuf_init(&mi->log_message, 0);
1230 strbuf_init(&mi->inbody_header_accum, 0);
1231 mi->header_stage = 1;
1232 mi->use_inbody_headers = 1;
1233 mi->content_top = mi->content;
1234 git_config(git_mailinfo_config, mi);
1237 void clear_mailinfo(struct mailinfo *mi)
1241 strbuf_release(&mi->name);
1242 strbuf_release(&mi->email);
1243 strbuf_release(&mi->charset);
1244 strbuf_release(&mi->inbody_header_accum);
1245 free(mi->message_id);
1248 for (i = 0; mi->p_hdr_data[i]; i++)
1249 strbuf_release(mi->p_hdr_data[i]);
1250 free(mi->p_hdr_data);
1252 for (i = 0; mi->s_hdr_data[i]; i++)
1253 strbuf_release(mi->s_hdr_data[i]);
1254 free(mi->s_hdr_data);
1256 while (mi->content < mi->content_top) {
1257 free(*(mi->content_top));
1261 strbuf_release(&mi->log_message);