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![Simon Sasburg](/assets/img/avatar_default.png)
Signed-off-by: Simon Sasburg <Simon.Sasburg@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
988 lines
20 KiB
C
988 lines
20 KiB
C
/*
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* Another stupid program, this one parsing the headers of an
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* email to figure out authorship and subject
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*/
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#include "cache.h"
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#include "builtin.h"
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#include "utf8.h"
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static FILE *cmitmsg, *patchfile, *fin, *fout;
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static int keep_subject;
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static const char *metainfo_charset;
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static char line[1000];
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static char name[1000];
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static char email[1000];
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static enum {
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TE_DONTCARE, TE_QP, TE_BASE64,
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} transfer_encoding;
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static enum {
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TYPE_TEXT, TYPE_OTHER,
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} message_type;
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static char charset[256];
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static int patch_lines;
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static char **p_hdr_data, **s_hdr_data;
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#define MAX_HDR_PARSED 10
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#define MAX_BOUNDARIES 5
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static char *sanity_check(char *name, char *email)
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{
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int len = strlen(name);
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if (len < 3 || len > 60)
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return email;
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if (strchr(name, '@') || strchr(name, '<') || strchr(name, '>'))
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return email;
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return name;
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}
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static int bogus_from(char *line)
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{
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/* John Doe <johndoe> */
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char *bra, *ket, *dst, *cp;
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/* This is fallback, so do not bother if we already have an
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* e-mail address.
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*/
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if (*email)
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return 0;
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bra = strchr(line, '<');
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if (!bra)
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return 0;
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ket = strchr(bra, '>');
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if (!ket)
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return 0;
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for (dst = email, cp = bra+1; cp < ket; )
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*dst++ = *cp++;
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*dst = 0;
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for (cp = line; isspace(*cp); cp++)
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;
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for (bra--; isspace(*bra); bra--)
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*bra = 0;
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cp = sanity_check(cp, email);
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strcpy(name, cp);
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return 1;
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}
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static int handle_from(char *in_line)
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{
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char line[1000];
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char *at;
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char *dst;
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strcpy(line, in_line);
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at = strchr(line, '@');
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if (!at)
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return bogus_from(line);
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/*
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* If we already have one email, don't take any confusing lines
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*/
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if (*email && strchr(at+1, '@'))
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return 0;
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/* Pick up the string around '@', possibly delimited with <>
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* pair; that is the email part. White them out while copying.
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*/
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while (at > line) {
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char c = at[-1];
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if (isspace(c))
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break;
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if (c == '<') {
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at[-1] = ' ';
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break;
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}
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at--;
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}
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dst = email;
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for (;;) {
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unsigned char c = *at;
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if (!c || c == '>' || isspace(c)) {
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if (c == '>')
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*at = ' ';
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break;
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}
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*at++ = ' ';
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*dst++ = c;
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}
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*dst++ = 0;
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/* The remainder is name. It could be "John Doe <john.doe@xz>"
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* or "john.doe@xz (John Doe)", but we have whited out the
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* email part, so trim from both ends, possibly removing
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* the () pair at the end.
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*/
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at = line + strlen(line);
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while (at > line) {
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unsigned char c = *--at;
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if (!isspace(c)) {
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at[(c == ')') ? 0 : 1] = 0;
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break;
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}
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}
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at = line;
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for (;;) {
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unsigned char c = *at;
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if (!c || !isspace(c)) {
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if (c == '(')
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at++;
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break;
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}
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at++;
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}
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at = sanity_check(at, email);
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strcpy(name, at);
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return 1;
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}
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static int handle_header(char *line, char *data, int ofs)
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{
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if (!line || !data)
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return 1;
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strcpy(data, line+ofs);
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return 0;
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}
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/* NOTE NOTE NOTE. We do not claim we do full MIME. We just attempt
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* to have enough heuristics to grok MIME encoded patches often found
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* on our mailing lists. For example, we do not even treat header lines
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* case insensitively.
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*/
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static int slurp_attr(const char *line, const char *name, char *attr)
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{
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const char *ends, *ap = strcasestr(line, name);
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size_t sz;
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if (!ap) {
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*attr = 0;
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return 0;
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}
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ap += strlen(name);
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if (*ap == '"') {
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ap++;
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ends = "\"";
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}
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else
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ends = "; \t";
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sz = strcspn(ap, ends);
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memcpy(attr, ap, sz);
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attr[sz] = 0;
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return 1;
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}
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struct content_type {
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char *boundary;
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int boundary_len;
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};
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static struct content_type content[MAX_BOUNDARIES];
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static struct content_type *content_top = content;
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static int handle_content_type(char *line)
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{
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char boundary[256];
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if (strcasestr(line, "text/") == NULL)
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message_type = TYPE_OTHER;
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if (slurp_attr(line, "boundary=", boundary + 2)) {
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memcpy(boundary, "--", 2);
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if (content_top++ >= &content[MAX_BOUNDARIES]) {
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fprintf(stderr, "Too many boundaries to handle\n");
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exit(1);
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}
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content_top->boundary_len = strlen(boundary);
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content_top->boundary = xmalloc(content_top->boundary_len+1);
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strcpy(content_top->boundary, boundary);
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}
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if (slurp_attr(line, "charset=", charset)) {
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int i, c;
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for (i = 0; (c = charset[i]) != 0; i++)
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charset[i] = tolower(c);
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}
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return 0;
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}
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static int handle_content_transfer_encoding(char *line)
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{
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if (strcasestr(line, "base64"))
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transfer_encoding = TE_BASE64;
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else if (strcasestr(line, "quoted-printable"))
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transfer_encoding = TE_QP;
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else
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transfer_encoding = TE_DONTCARE;
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return 0;
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}
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static int is_multipart_boundary(const char *line)
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{
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return (!memcmp(line, content_top->boundary, content_top->boundary_len));
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}
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static int eatspace(char *line)
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{
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int len = strlen(line);
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while (len > 0 && isspace(line[len-1]))
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line[--len] = 0;
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return len;
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}
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static char *cleanup_subject(char *subject)
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{
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for (;;) {
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char *p;
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int len, remove;
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switch (*subject) {
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case 'r': case 'R':
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if (!memcmp("e:", subject+1, 2)) {
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subject += 3;
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continue;
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}
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break;
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case ' ': case '\t': case ':':
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subject++;
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continue;
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case '[':
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p = strchr(subject, ']');
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if (!p) {
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subject++;
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continue;
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}
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len = strlen(p);
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remove = p - subject;
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if (remove <= len *2) {
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subject = p+1;
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continue;
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}
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break;
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}
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eatspace(subject);
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return subject;
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}
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}
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static void cleanup_space(char *buf)
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{
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unsigned char c;
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while ((c = *buf) != 0) {
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buf++;
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if (isspace(c)) {
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buf[-1] = ' ';
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c = *buf;
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while (isspace(c)) {
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int len = strlen(buf);
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memmove(buf, buf+1, len);
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c = *buf;
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}
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}
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}
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}
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static void decode_header(char *it, unsigned itsize);
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static const char *header[MAX_HDR_PARSED] = {
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"From","Subject","Date",
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};
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static int check_header(char *line, unsigned linesize, char **hdr_data, int overwrite)
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{
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int i;
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/* search for the interesting parts */
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for (i = 0; header[i]; i++) {
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int len = strlen(header[i]);
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if ((!hdr_data[i] || overwrite) &&
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!strncasecmp(line, header[i], len) &&
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line[len] == ':' && isspace(line[len + 1])) {
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/* Unwrap inline B and Q encoding, and optionally
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* normalize the meta information to utf8.
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*/
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decode_header(line + len + 2, linesize - len - 2);
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hdr_data[i] = xmalloc(1000 * sizeof(char));
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if (! handle_header(line, hdr_data[i], len + 2)) {
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return 1;
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}
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}
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}
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/* Content stuff */
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if (!strncasecmp(line, "Content-Type", 12) &&
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line[12] == ':' && isspace(line[12 + 1])) {
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decode_header(line + 12 + 2, linesize - 12 - 2);
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if (! handle_content_type(line)) {
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return 1;
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}
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}
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if (!strncasecmp(line, "Content-Transfer-Encoding", 25) &&
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line[25] == ':' && isspace(line[25 + 1])) {
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decode_header(line + 25 + 2, linesize - 25 - 2);
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if (! handle_content_transfer_encoding(line)) {
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return 1;
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}
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}
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/* for inbody stuff */
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if (!memcmp(">From", line, 5) && isspace(line[5]))
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return 1;
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if (!memcmp("[PATCH]", line, 7) && isspace(line[7])) {
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for (i = 0; header[i]; i++) {
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if (!memcmp("Subject: ", header[i], 9)) {
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if (! handle_header(line, hdr_data[i], 0)) {
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return 1;
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}
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}
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}
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}
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/* no match */
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return 0;
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}
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static int is_rfc2822_header(char *line)
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{
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/*
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* The section that defines the loosest possible
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* field name is "3.6.8 Optional fields".
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*
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* optional-field = field-name ":" unstructured CRLF
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* field-name = 1*ftext
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* ftext = %d33-57 / %59-126
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*/
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int ch;
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char *cp = line;
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/* Count mbox From headers as headers */
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if (!memcmp(line, "From ", 5) || !memcmp(line, ">From ", 6))
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return 1;
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while ((ch = *cp++)) {
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if (ch == ':')
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return cp != line;
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if ((33 <= ch && ch <= 57) ||
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(59 <= ch && ch <= 126))
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continue;
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break;
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}
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return 0;
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}
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/*
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* sz is size of 'line' buffer in bytes. Must be reasonably
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* long enough to hold one physical real-world e-mail line.
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*/
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static int read_one_header_line(char *line, int sz, FILE *in)
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{
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int len;
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/*
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* We will read at most (sz-1) bytes and then potentially
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* re-add NUL after it. Accessing line[sz] after this is safe
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* and we can allow len to grow up to and including sz.
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*/
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sz--;
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/* Get the first part of the line. */
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if (!fgets(line, sz, in))
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return 0;
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/*
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* Is it an empty line or not a valid rfc2822 header?
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* If so, stop here, and return false ("not a header")
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*/
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len = eatspace(line);
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if (!len || !is_rfc2822_header(line)) {
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/* Re-add the newline */
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line[len] = '\n';
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line[len + 1] = '\0';
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return 0;
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}
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/*
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* Now we need to eat all the continuation lines..
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* Yuck, 2822 header "folding"
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*/
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for (;;) {
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int peek, addlen;
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static char continuation[1000];
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peek = fgetc(in); ungetc(peek, in);
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if (peek != ' ' && peek != '\t')
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break;
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if (!fgets(continuation, sizeof(continuation), in))
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break;
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addlen = eatspace(continuation);
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if (len < sz - 1) {
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if (addlen >= sz - len)
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addlen = sz - len - 1;
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memcpy(line + len, continuation, addlen);
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line[len] = '\n';
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len += addlen;
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}
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}
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line[len] = 0;
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return 1;
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}
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static int decode_q_segment(char *in, char *ot, unsigned otsize, char *ep, int rfc2047)
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{
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char *otend = ot + otsize;
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int c;
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while ((c = *in++) != 0 && (in <= ep)) {
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if (ot == otend) {
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*--ot = '\0';
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return -1;
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}
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if (c == '=') {
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int d = *in++;
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if (d == '\n' || !d)
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break; /* drop trailing newline */
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*ot++ = ((hexval(d) << 4) | hexval(*in++));
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continue;
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}
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if (rfc2047 && c == '_') /* rfc2047 4.2 (2) */
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c = 0x20;
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*ot++ = c;
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}
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*ot = 0;
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return 0;
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}
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static int decode_b_segment(char *in, char *ot, unsigned otsize, char *ep)
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{
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/* Decode in..ep, possibly in-place to ot */
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int c, pos = 0, acc = 0;
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char *otend = ot + otsize;
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while ((c = *in++) != 0 && (in <= ep)) {
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if (ot == otend) {
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*--ot = '\0';
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return -1;
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}
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if (c == '+')
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c = 62;
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else if (c == '/')
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c = 63;
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else if ('A' <= c && c <= 'Z')
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c -= 'A';
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else if ('a' <= c && c <= 'z')
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c -= 'a' - 26;
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else if ('0' <= c && c <= '9')
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c -= '0' - 52;
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else if (c == '=') {
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/* padding is almost like (c == 0), except we do
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* not output NUL resulting only from it;
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* for now we just trust the data.
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*/
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c = 0;
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}
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else
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continue; /* garbage */
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switch (pos++) {
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case 0:
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acc = (c << 2);
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break;
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case 1:
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*ot++ = (acc | (c >> 4));
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acc = (c & 15) << 4;
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break;
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case 2:
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*ot++ = (acc | (c >> 2));
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acc = (c & 3) << 6;
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break;
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case 3:
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*ot++ = (acc | c);
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acc = pos = 0;
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break;
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}
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}
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*ot = 0;
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return 0;
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}
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/*
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* When there is no known charset, guess.
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*
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* Right now we assume that if the target is UTF-8 (the default),
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* and it already looks like UTF-8 (which includes US-ASCII as its
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* subset, of course) then that is what it is and there is nothing
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* to do.
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*
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* Otherwise, we default to assuming it is Latin1 for historical
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* reasons.
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*/
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static const char *guess_charset(const char *line, const char *target_charset)
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{
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if (is_encoding_utf8(target_charset)) {
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if (is_utf8(line))
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return NULL;
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}
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return "latin1";
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}
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static void convert_to_utf8(char *line, unsigned linesize, const char *charset)
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{
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char *out;
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if (!charset || !*charset) {
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charset = guess_charset(line, metainfo_charset);
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if (!charset)
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return;
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}
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if (!strcmp(metainfo_charset, charset))
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return;
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out = reencode_string(line, metainfo_charset, charset);
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if (!out)
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die("cannot convert from %s to %s\n",
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charset, metainfo_charset);
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strlcpy(line, out, linesize);
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free(out);
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}
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static int decode_header_bq(char *it, unsigned itsize)
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{
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char *in, *out, *ep, *cp, *sp;
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char outbuf[1000];
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int rfc2047 = 0;
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in = it;
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out = outbuf;
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while ((ep = strstr(in, "=?")) != NULL) {
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int sz, encoding;
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char charset_q[256], piecebuf[256];
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rfc2047 = 1;
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if (in != ep) {
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sz = ep - in;
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memcpy(out, in, sz);
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out += sz;
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in += sz;
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}
|
|
/* E.g.
|
|
* ep : "=?iso-2022-jp?B?GyR...?= foo"
|
|
* ep : "=?ISO-8859-1?Q?Foo=FCbar?= baz"
|
|
*/
|
|
ep += 2;
|
|
cp = strchr(ep, '?');
|
|
if (!cp)
|
|
return rfc2047; /* no munging */
|
|
for (sp = ep; sp < cp; sp++)
|
|
charset_q[sp - ep] = tolower(*sp);
|
|
charset_q[cp - ep] = 0;
|
|
encoding = cp[1];
|
|
if (!encoding || cp[2] != '?')
|
|
return rfc2047; /* no munging */
|
|
ep = strstr(cp + 3, "?=");
|
|
if (!ep)
|
|
return rfc2047; /* no munging */
|
|
switch (tolower(encoding)) {
|
|
default:
|
|
return rfc2047; /* no munging */
|
|
case 'b':
|
|
sz = decode_b_segment(cp + 3, piecebuf, sizeof(piecebuf), ep);
|
|
break;
|
|
case 'q':
|
|
sz = decode_q_segment(cp + 3, piecebuf, sizeof(piecebuf), ep, 1);
|
|
break;
|
|
}
|
|
if (sz < 0)
|
|
return rfc2047;
|
|
if (metainfo_charset)
|
|
convert_to_utf8(piecebuf, sizeof(piecebuf), charset_q);
|
|
|
|
sz = strlen(piecebuf);
|
|
if (outbuf + sizeof(outbuf) <= out + sz)
|
|
return rfc2047; /* no munging */
|
|
strcpy(out, piecebuf);
|
|
out += sz;
|
|
in = ep + 2;
|
|
}
|
|
strcpy(out, in);
|
|
strlcpy(it, outbuf, itsize);
|
|
return rfc2047;
|
|
}
|
|
|
|
static void decode_header(char *it, unsigned itsize)
|
|
{
|
|
|
|
if (decode_header_bq(it, itsize))
|
|
return;
|
|
/* otherwise "it" is a straight copy of the input.
|
|
* This can be binary guck but there is no charset specified.
|
|
*/
|
|
if (metainfo_charset)
|
|
convert_to_utf8(it, itsize, "");
|
|
}
|
|
|
|
static void decode_transfer_encoding(char *line, unsigned linesize)
|
|
{
|
|
char *ep;
|
|
|
|
switch (transfer_encoding) {
|
|
case TE_QP:
|
|
ep = line + strlen(line);
|
|
decode_q_segment(line, line, linesize, ep, 0);
|
|
break;
|
|
case TE_BASE64:
|
|
ep = line + strlen(line);
|
|
decode_b_segment(line, line, linesize, ep);
|
|
break;
|
|
case TE_DONTCARE:
|
|
break;
|
|
}
|
|
}
|
|
|
|
static int handle_filter(char *line, unsigned linesize);
|
|
|
|
static int find_boundary(void)
|
|
{
|
|
while(fgets(line, sizeof(line), fin) != NULL) {
|
|
if (is_multipart_boundary(line))
|
|
return 1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int handle_boundary(void)
|
|
{
|
|
char newline[]="\n";
|
|
again:
|
|
if (!memcmp(line+content_top->boundary_len, "--", 2)) {
|
|
/* we hit an end boundary */
|
|
/* pop the current boundary off the stack */
|
|
free(content_top->boundary);
|
|
|
|
/* technically won't happen as is_multipart_boundary()
|
|
will fail first. But just in case..
|
|
*/
|
|
if (content_top-- < content) {
|
|
fprintf(stderr, "Detected mismatched boundaries, "
|
|
"can't recover\n");
|
|
exit(1);
|
|
}
|
|
handle_filter(newline, sizeof(newline));
|
|
|
|
/* skip to the next boundary */
|
|
if (!find_boundary())
|
|
return 0;
|
|
goto again;
|
|
}
|
|
|
|
/* set some defaults */
|
|
transfer_encoding = TE_DONTCARE;
|
|
charset[0] = 0;
|
|
message_type = TYPE_TEXT;
|
|
|
|
/* slurp in this section's info */
|
|
while (read_one_header_line(line, sizeof(line), fin))
|
|
check_header(line, sizeof(line), p_hdr_data, 0);
|
|
|
|
/* eat the blank line after section info */
|
|
return (fgets(line, sizeof(line), fin) != NULL);
|
|
}
|
|
|
|
static inline int patchbreak(const char *line)
|
|
{
|
|
/* Beginning of a "diff -" header? */
|
|
if (!memcmp("diff -", line, 6))
|
|
return 1;
|
|
|
|
/* CVS "Index: " line? */
|
|
if (!memcmp("Index: ", line, 7))
|
|
return 1;
|
|
|
|
/*
|
|
* "--- <filename>" starts patches without headers
|
|
* "---<sp>*" is a manual separator
|
|
*/
|
|
if (!memcmp("---", line, 3)) {
|
|
line += 3;
|
|
/* space followed by a filename? */
|
|
if (line[0] == ' ' && !isspace(line[1]))
|
|
return 1;
|
|
/* Just whitespace? */
|
|
for (;;) {
|
|
unsigned char c = *line++;
|
|
if (c == '\n')
|
|
return 1;
|
|
if (!isspace(c))
|
|
break;
|
|
}
|
|
return 0;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
static int handle_commit_msg(char *line, unsigned linesize)
|
|
{
|
|
static int still_looking = 1;
|
|
char *endline = line + linesize;
|
|
|
|
if (!cmitmsg)
|
|
return 0;
|
|
|
|
if (still_looking) {
|
|
char *cp = line;
|
|
if (isspace(*line)) {
|
|
for (cp = line + 1; *cp; cp++) {
|
|
if (!isspace(*cp))
|
|
break;
|
|
}
|
|
if (!*cp)
|
|
return 0;
|
|
}
|
|
if ((still_looking = check_header(cp, endline - cp, s_hdr_data, 0)) != 0)
|
|
return 0;
|
|
}
|
|
|
|
/* normalize the log message to UTF-8. */
|
|
if (metainfo_charset)
|
|
convert_to_utf8(line, endline - line, charset);
|
|
|
|
if (patchbreak(line)) {
|
|
fclose(cmitmsg);
|
|
cmitmsg = NULL;
|
|
return 1;
|
|
}
|
|
|
|
fputs(line, cmitmsg);
|
|
return 0;
|
|
}
|
|
|
|
static int handle_patch(char *line)
|
|
{
|
|
fputs(line, patchfile);
|
|
patch_lines++;
|
|
return 0;
|
|
}
|
|
|
|
static int handle_filter(char *line, unsigned linesize)
|
|
{
|
|
static int filter = 0;
|
|
|
|
/* filter tells us which part we left off on
|
|
* a non-zero return indicates we hit a filter point
|
|
*/
|
|
switch (filter) {
|
|
case 0:
|
|
if (!handle_commit_msg(line, linesize))
|
|
break;
|
|
filter++;
|
|
case 1:
|
|
if (!handle_patch(line))
|
|
break;
|
|
filter++;
|
|
default:
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void handle_body(void)
|
|
{
|
|
int rc = 0;
|
|
static char newline[2000];
|
|
static char *np = newline;
|
|
|
|
/* Skip up to the first boundary */
|
|
if (content_top->boundary) {
|
|
if (!find_boundary())
|
|
return;
|
|
}
|
|
|
|
do {
|
|
/* process any boundary lines */
|
|
if (content_top->boundary && is_multipart_boundary(line)) {
|
|
/* flush any leftover */
|
|
if ((transfer_encoding == TE_BASE64) &&
|
|
(np != newline)) {
|
|
handle_filter(newline, sizeof(newline));
|
|
}
|
|
if (!handle_boundary())
|
|
return;
|
|
}
|
|
|
|
/* Unwrap transfer encoding */
|
|
decode_transfer_encoding(line, sizeof(line));
|
|
|
|
switch (transfer_encoding) {
|
|
case TE_BASE64:
|
|
{
|
|
char *op = line;
|
|
|
|
/* binary data most likely doesn't have newlines */
|
|
if (message_type != TYPE_TEXT) {
|
|
rc = handle_filter(line, sizeof(newline));
|
|
break;
|
|
}
|
|
|
|
/* this is a decoded line that may contain
|
|
* multiple new lines. Pass only one chunk
|
|
* at a time to handle_filter()
|
|
*/
|
|
|
|
do {
|
|
while (*op != '\n' && *op != 0)
|
|
*np++ = *op++;
|
|
*np = *op;
|
|
if (*np != 0) {
|
|
/* should be sitting on a new line */
|
|
*(++np) = 0;
|
|
op++;
|
|
rc = handle_filter(newline, sizeof(newline));
|
|
np = newline;
|
|
}
|
|
} while (*op != 0);
|
|
/* the partial chunk is saved in newline and
|
|
* will be appended by the next iteration of fgets
|
|
*/
|
|
break;
|
|
}
|
|
default:
|
|
rc = handle_filter(line, sizeof(newline));
|
|
}
|
|
if (rc)
|
|
/* nothing left to filter */
|
|
break;
|
|
} while (fgets(line, sizeof(line), fin));
|
|
|
|
return;
|
|
}
|
|
|
|
static void output_header_lines(FILE *fout, const char *hdr, char *data)
|
|
{
|
|
while (1) {
|
|
char *ep = strchr(data, '\n');
|
|
int len;
|
|
if (!ep)
|
|
len = strlen(data);
|
|
else
|
|
len = ep - data;
|
|
fprintf(fout, "%s: %.*s\n", hdr, len, data);
|
|
if (!ep)
|
|
break;
|
|
data = ep + 1;
|
|
}
|
|
}
|
|
|
|
static void handle_info(void)
|
|
{
|
|
char *sub;
|
|
char *hdr;
|
|
int i;
|
|
|
|
for (i = 0; header[i]; i++) {
|
|
|
|
/* only print inbody headers if we output a patch file */
|
|
if (patch_lines && s_hdr_data[i])
|
|
hdr = s_hdr_data[i];
|
|
else if (p_hdr_data[i])
|
|
hdr = p_hdr_data[i];
|
|
else
|
|
continue;
|
|
|
|
if (!memcmp(header[i], "Subject", 7)) {
|
|
if (keep_subject)
|
|
sub = hdr;
|
|
else {
|
|
sub = cleanup_subject(hdr);
|
|
cleanup_space(sub);
|
|
}
|
|
output_header_lines(fout, "Subject", sub);
|
|
} else if (!memcmp(header[i], "From", 4)) {
|
|
handle_from(hdr);
|
|
fprintf(fout, "Author: %s\n", name);
|
|
fprintf(fout, "Email: %s\n", email);
|
|
} else {
|
|
cleanup_space(hdr);
|
|
fprintf(fout, "%s: %s\n", header[i], hdr);
|
|
}
|
|
}
|
|
fprintf(fout, "\n");
|
|
}
|
|
|
|
static int mailinfo(FILE *in, FILE *out, int ks, const char *encoding,
|
|
const char *msg, const char *patch)
|
|
{
|
|
int peek;
|
|
keep_subject = ks;
|
|
metainfo_charset = encoding;
|
|
fin = in;
|
|
fout = out;
|
|
|
|
cmitmsg = fopen(msg, "w");
|
|
if (!cmitmsg) {
|
|
perror(msg);
|
|
return -1;
|
|
}
|
|
patchfile = fopen(patch, "w");
|
|
if (!patchfile) {
|
|
perror(patch);
|
|
fclose(cmitmsg);
|
|
return -1;
|
|
}
|
|
|
|
p_hdr_data = xcalloc(MAX_HDR_PARSED, sizeof(char *));
|
|
s_hdr_data = xcalloc(MAX_HDR_PARSED, sizeof(char *));
|
|
|
|
do {
|
|
peek = fgetc(in);
|
|
} while (isspace(peek));
|
|
ungetc(peek, in);
|
|
|
|
/* process the email header */
|
|
while (read_one_header_line(line, sizeof(line), fin))
|
|
check_header(line, sizeof(line), p_hdr_data, 1);
|
|
|
|
handle_body();
|
|
handle_info();
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const char mailinfo_usage[] =
|
|
"git-mailinfo [-k] [-u | --encoding=<encoding>] msg patch <mail >info";
|
|
|
|
int cmd_mailinfo(int argc, const char **argv, const char *prefix)
|
|
{
|
|
const char *def_charset;
|
|
|
|
/* NEEDSWORK: might want to do the optional .git/ directory
|
|
* discovery
|
|
*/
|
|
git_config(git_default_config);
|
|
|
|
def_charset = (git_commit_encoding ? git_commit_encoding : "utf-8");
|
|
metainfo_charset = def_charset;
|
|
|
|
while (1 < argc && argv[1][0] == '-') {
|
|
if (!strcmp(argv[1], "-k"))
|
|
keep_subject = 1;
|
|
else if (!strcmp(argv[1], "-u"))
|
|
metainfo_charset = def_charset;
|
|
else if (!strcmp(argv[1], "-n"))
|
|
metainfo_charset = NULL;
|
|
else if (!prefixcmp(argv[1], "--encoding="))
|
|
metainfo_charset = argv[1] + 11;
|
|
else
|
|
usage(mailinfo_usage);
|
|
argc--; argv++;
|
|
}
|
|
|
|
if (argc != 3)
|
|
usage(mailinfo_usage);
|
|
|
|
return !!mailinfo(stdin, stdout, keep_subject, metainfo_charset, argv[1], argv[2]);
|
|
}
|