claws-mail/src/procheader.c
Colin Leroy 15bafe1779 Don't bother parsing headers when we want to skip them
Speeds up body-only search
2018-10-16 18:46:09 +02:00

1313 lines
31 KiB
C

/*
* Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
* Copyright (C) 1999-2014 Hiroyuki Yamamoto and the Claws Mail team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#include "claws-features.h"
#endif
#include <glib.h>
#include <glib/gi18n.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <time.h>
#include <sys/stat.h>
#ifdef G_OS_WIN32
# include <w32lib.h>
#endif
#include "procheader.h"
#include "procmsg.h"
#include "codeconv.h"
#include "prefs_common.h"
#include "hooks.h"
#include "utils.h"
#include "defs.h"
#define BUFFSIZE 8192
static gchar monthstr[] = "JanFebMarAprMayJunJulAugSepOctNovDec";
typedef char *(*getlinefunc) (char *, size_t, void *);
typedef int (*peekcharfunc) (void *);
typedef int (*getcharfunc) (void *);
typedef gint (*get_one_field_func) (gchar **, void *, HeaderEntry[]);
static gint string_get_one_field(gchar **buf, char **str,
HeaderEntry hentry[]);
static char *string_getline(char *buf, size_t len, char **str);
static int string_peekchar(char **str);
static int file_peekchar(FILE *fp);
static gint generic_get_one_field(gchar **bufptr, void *data,
HeaderEntry hentry[],
getlinefunc getline,
peekcharfunc peekchar,
gboolean unfold);
static MsgInfo *parse_stream(void *data, gboolean isstring, MsgFlags flags,
gboolean full, gboolean decrypted);
gint procheader_get_one_field(gchar **buf, FILE *fp,
HeaderEntry hentry[])
{
return generic_get_one_field(buf, fp, hentry,
(getlinefunc)fgets_crlf, (peekcharfunc)file_peekchar,
TRUE);
}
static gint string_get_one_field(gchar **buf, char **str,
HeaderEntry hentry[])
{
return generic_get_one_field(buf, str, hentry,
(getlinefunc)string_getline,
(peekcharfunc)string_peekchar,
TRUE);
}
gboolean procheader_skip_headers(FILE *fp)
{
gchar *buf = g_malloc(BUFFSIZE);
do {
if (fgets_crlf(buf, BUFFSIZE - 1, fp) == NULL) {
g_free(buf);
return FALSE;
}
if (buf[0] == '\r' || buf[0] == '\n') {
break;
}
} while (TRUE);
g_free(buf);
return TRUE;
}
static char *string_getline(char *buf, size_t len, char **str)
{
gboolean is_cr = FALSE;
gboolean last_was_cr = FALSE;
if (!*str || !**str)
return NULL;
for (; **str && len > 1; --len) {
is_cr = (**str == '\r');
if ((*buf++ = *(*str)++) == '\n') {
break;
}
if (last_was_cr) {
*(--buf) = '\n';
buf++;
break;
}
last_was_cr = is_cr;
}
*buf = '\0';
return buf;
}
static int string_peekchar(char **str)
{
return **str;
}
static int file_peekchar(FILE *fp)
{
return ungetc(getc(fp), fp);
}
static gint generic_get_one_field(gchar **bufptr, void *data,
HeaderEntry *hentry,
getlinefunc getline, peekcharfunc peekchar,
gboolean unfold)
{
/* returns -1 in case of failure of any kind, whatever it's a parsing error
or an allocation error. if returns -1, *bufptr is always NULL, and vice-versa,
and if returning 0 (OK), *bufptr is always non-NULL, so callers just have to
test the return value
*/
gint nexthead;
gint hnum = 0;
HeaderEntry *hp = NULL;
size_t len;
gchar *buf;
cm_return_val_if_fail(bufptr != NULL, -1);
len = BUFFSIZE;
buf = g_malloc(len);
if (hentry != NULL) {
/* skip non-required headers */
/* and get hentry header line */
do {
do {
if (getline(buf, len, data) == NULL) {
debug_print("generic_get_one_field: getline\n");
g_free(buf);
*bufptr = NULL;
return -1;
}
if (buf[0] == '\r' || buf[0] == '\n') {
debug_print("generic_get_one_field: empty line\n");
g_free(buf);
*bufptr = NULL;
return -1;
}
} while (buf[0] == ' ' || buf[0] == '\t');
for (hp = hentry, hnum = 0; hp->name != NULL;
hp++, hnum++) {
if (!g_ascii_strncasecmp(hp->name, buf,
strlen(hp->name)))
break;
}
} while (hp->name == NULL);
} else {
/* read first line */
if (getline(buf, len, data) == NULL) {
debug_print("generic_get_one_field: getline\n");
g_free(buf);
*bufptr = NULL;
return -1;
}
if (buf[0] == '\r' || buf[0] == '\n') {
debug_print("generic_get_one_field: empty line\n");
g_free(buf);
*bufptr = NULL;
return -1;
}
}
/* reduce initial buffer to its useful part */
len = strlen(buf)+1;
buf = g_realloc(buf, len);
if (buf == NULL) {
debug_print("generic_get_one_field: reallocation error\n");
*bufptr = NULL;
return -1;
}
/* unfold line */
while (1) {
nexthead = peekchar(data);
/* ([*WSP CRLF] 1*WSP) */
if (nexthead == ' ' || nexthead == '\t') {
size_t buflen;
gchar *tmpbuf;
size_t tmplen;
gboolean skiptab = (nexthead == '\t');
/* trim previous trailing \n if requesting one header or
* unfolding was requested */
if ((!hentry && unfold) || (hp && hp->unfold))
strretchomp(buf);
buflen = strlen(buf);
/* read next line */
tmpbuf = g_malloc(BUFFSIZE);
if (getline(tmpbuf, BUFFSIZE, data) == NULL) {
g_free(tmpbuf);
break;
}
tmplen = strlen(tmpbuf)+1;
/* extend initial buffer and concatenate next line */
len += tmplen;
buf = g_realloc(buf, len);
if (buf == NULL) {
debug_print("generic_get_one_field: reallocation error\n");
g_free(buf);
*bufptr = NULL;
return -1;
}
memcpy(buf+buflen, tmpbuf, tmplen);
g_free(tmpbuf);
if (skiptab) { /* replace tab with space */
*(buf + buflen) = ' ';
}
} else {
/* remove trailing new line */
strretchomp(buf);
break;
}
}
*bufptr = buf;
return hnum;
}
gint procheader_get_one_field_asis(gchar **buf, FILE *fp)
{
return generic_get_one_field(buf, fp, NULL,
(getlinefunc)fgets_crlf,
(peekcharfunc)file_peekchar,
FALSE);
}
GPtrArray *procheader_get_header_array_asis(FILE *fp)
{
gchar *buf = NULL;
GPtrArray *headers;
Header *header;
cm_return_val_if_fail(fp != NULL, NULL);
headers = g_ptr_array_new();
while (procheader_get_one_field_asis(&buf, fp) != -1) {
if ((header = procheader_parse_header(buf)) != NULL)
g_ptr_array_add(headers, header);
g_free(buf);
buf = NULL;
}
return headers;
}
void procheader_header_array_destroy(GPtrArray *harray)
{
gint i;
Header *header;
cm_return_if_fail(harray != NULL);
for (i = 0; i < harray->len; i++) {
header = g_ptr_array_index(harray, i);
procheader_header_free(header);
}
g_ptr_array_free(harray, TRUE);
}
void procheader_header_free(Header *header)
{
if (!header) return;
g_free(header->name);
g_free(header->body);
g_free(header);
}
/*
tests whether two headers' names are equal
remove the trailing ':' or ' ' before comparing
*/
gboolean procheader_headername_equal(char * hdr1, char * hdr2)
{
int len1;
int len2;
len1 = strlen(hdr1);
len2 = strlen(hdr2);
if (hdr1[len1 - 1] == ':')
len1--;
if (hdr2[len2 - 1] == ':')
len2--;
if (len1 != len2)
return 0;
return (g_ascii_strncasecmp(hdr1, hdr2, len1) == 0);
}
/*
parse headers, for example :
From: dinh@enseirb.fr becomes :
header->name = "From:"
header->body = "dinh@enseirb.fr"
*/
static gboolean header_is_addr_field(const gchar *hdr)
{
static char *addr_headers[] = {
"To:",
"Cc:",
"Bcc:",
"From:",
"Reply-To:",
"Followup-To:",
"Followup-and-Reply-To:",
"Disposition-Notification-To:",
"Return-Receipt-To:",
NULL};
int i;
if (!hdr)
return FALSE;
for (i = 0; addr_headers[i] != NULL; i++)
if (!strcasecmp(hdr, addr_headers[i]))
return FALSE;
return FALSE;
}
Header * procheader_parse_header(gchar * buf)
{
gchar *p;
Header * header;
gboolean addr_field = FALSE;
cm_return_val_if_fail(buf != NULL, NULL);
if ((*buf == ':') || (*buf == ' '))
return NULL;
for (p = buf; *p ; p++) {
if ((*p == ':') || (*p == ' ')) {
header = g_new(Header, 1);
header->name = g_strndup(buf, p - buf + 1);
addr_field = header_is_addr_field(header->name);
p++;
while (*p == ' ' || *p == '\t') p++;
header->body = conv_unmime_header(p, NULL, addr_field);
return header;
}
}
return NULL;
}
void procheader_get_header_fields(FILE *fp, HeaderEntry hentry[])
{
gchar *buf = NULL;
HeaderEntry *hp;
gint hnum;
gchar *p;
if (hentry == NULL) return;
while ((hnum = procheader_get_one_field(&buf, fp, hentry)) != -1) {
hp = hentry + hnum;
p = buf + strlen(hp->name);
while (*p == ' ' || *p == '\t') p++;
if (hp->body == NULL)
hp->body = g_strdup(p);
else if (procheader_headername_equal(hp->name, "To") ||
procheader_headername_equal(hp->name, "Cc")) {
gchar *tp = hp->body;
hp->body = g_strconcat(tp, ", ", p, NULL);
g_free(tp);
}
g_free(buf);
buf = NULL;
}
}
MsgInfo *procheader_parse_file(const gchar *file, MsgFlags flags,
gboolean full, gboolean decrypted)
{
#ifdef G_OS_WIN32
GFile *f;
GFileInfo *fi;
GTimeVal tv;
GError *error = NULL;
#else
GStatBuf s;
#endif
FILE *fp;
MsgInfo *msginfo;
#ifdef G_OS_WIN32
f = g_file_new_for_path(file);
fi = g_file_query_info(f, "standard::size,standard::type,time::modified",
G_FILE_QUERY_INFO_NONE, NULL, &error);
if (error != NULL) {
g_warning(error->message);
g_error_free(error);
g_object_unref(f);
}
#else
if (g_stat(file, &s) < 0) {
FILE_OP_ERROR(file, "stat");
return NULL;
}
#endif
#ifdef G_OS_WIN32
if (g_file_info_get_file_type(fi) != G_FILE_TYPE_REGULAR) {
g_object_unref(fi);
g_object_unref(f);
return NULL;
}
#else
if (!S_ISREG(s.st_mode))
return NULL;
#endif
if ((fp = g_fopen(file, "rb")) == NULL) {
FILE_OP_ERROR(file, "fopen");
return NULL;
}
msginfo = procheader_parse_stream(fp, flags, full, decrypted);
fclose(fp);
if (msginfo) {
#ifdef G_OS_WIN32
msginfo->size = g_file_info_get_size(fi);
g_file_info_get_modification_time(fi, &tv);
msginfo->mtime = tv.tv_sec;
#else
msginfo->size = s.st_size;
msginfo->mtime = s.st_mtime;
#endif
}
#ifdef G_OS_WIN32
g_object_unref(fi);
g_object_unref(f);
#endif
return msginfo;
}
MsgInfo *procheader_parse_str(const gchar *str, MsgFlags flags, gboolean full,
gboolean decrypted)
{
return parse_stream(&str, TRUE, flags, full, decrypted);
}
enum
{
H_DATE = 0,
H_FROM,
H_TO,
H_CC,
H_NEWSGROUPS,
H_SUBJECT,
H_MSG_ID,
H_REFERENCES,
H_IN_REPLY_TO,
H_CONTENT_TYPE,
H_SEEN,
H_STATUS,
H_FROM_SPACE,
H_SC_PLANNED_DOWNLOAD,
H_SC_MESSAGE_SIZE,
H_FACE,
H_X_FACE,
H_DISPOSITION_NOTIFICATION_TO,
H_RETURN_RECEIPT_TO,
H_SC_PARTIALLY_RETRIEVED,
H_SC_ACCOUNT_SERVER,
H_SC_ACCOUNT_LOGIN,
H_LIST_POST,
H_LIST_SUBSCRIBE,
H_LIST_UNSUBSCRIBE,
H_LIST_HELP,
H_LIST_ARCHIVE,
H_LIST_OWNER,
H_RESENT_FROM,
};
static HeaderEntry hentry_full[] = {
{"Date:", NULL, FALSE},
{"From:", NULL, TRUE},
{"To:", NULL, TRUE},
{"Cc:", NULL, TRUE},
{"Newsgroups:", NULL, TRUE},
{"Subject:", NULL, TRUE},
{"Message-ID:", NULL, FALSE},
{"References:", NULL, FALSE},
{"In-Reply-To:", NULL, FALSE},
{"Content-Type:", NULL, FALSE},
{"Seen:", NULL, FALSE},
{"Status:", NULL, FALSE},
{"From ", NULL, FALSE},
{"SC-Marked-For-Download:", NULL, FALSE},
{"SC-Message-Size:", NULL, FALSE},
{"Face:", NULL, FALSE},
{"X-Face:", NULL, FALSE},
{"Disposition-Notification-To:", NULL, FALSE},
{"Return-Receipt-To:", NULL, FALSE},
{"SC-Partially-Retrieved:", NULL, FALSE},
{"SC-Account-Server:", NULL, FALSE},
{"SC-Account-Login:",NULL, FALSE},
{"List-Post:", NULL, TRUE},
{"List-Subscribe:", NULL, TRUE},
{"List-Unsubscribe:",NULL, TRUE},
{"List-Help:", NULL, TRUE},
{"List-Archive:", NULL, TRUE},
{"List-Owner:", NULL, TRUE},
{"Resent-From:", NULL, TRUE},
{NULL, NULL, FALSE}};
static HeaderEntry hentry_short[] = {
{"Date:", NULL, FALSE},
{"From:", NULL, TRUE},
{"To:", NULL, TRUE},
{"Cc:", NULL, TRUE},
{"Newsgroups:", NULL, TRUE},
{"Subject:", NULL, TRUE},
{"Message-ID:", NULL, FALSE},
{"References:", NULL, FALSE},
{"In-Reply-To:", NULL, FALSE},
{"Content-Type:", NULL, FALSE},
{"Seen:", NULL, FALSE},
{"Status:", NULL, FALSE},
{"From ", NULL, FALSE},
{"SC-Marked-For-Download:", NULL, FALSE},
{"SC-Message-Size:",NULL, FALSE},
{NULL, NULL, FALSE}};
static HeaderEntry* procheader_get_headernames(gboolean full)
{
return full ? hentry_full : hentry_short;
}
MsgInfo *procheader_parse_stream(FILE *fp, MsgFlags flags, gboolean full,
gboolean decrypted)
{
return parse_stream(fp, FALSE, flags, full, decrypted);
}
static gboolean avatar_from_some_face(gpointer source, gpointer userdata)
{
AvatarCaptureData *acd = (AvatarCaptureData *)source;
if (*(acd->content) == '\0') /* won't be null, but may be empty */
return FALSE;
if (!strcmp(acd->header, hentry_full[H_FACE].name)) {
debug_print("avatar_from_some_face: found 'Face' header\n");
procmsg_msginfo_add_avatar(acd->msginfo, AVATAR_FACE, acd->content);
}
#if HAVE_LIBCOMPFACE
else if (!strcmp(acd->header, hentry_full[H_X_FACE].name)) {
debug_print("avatar_from_some_face: found 'X-Face' header\n");
procmsg_msginfo_add_avatar(acd->msginfo, AVATAR_XFACE, acd->content);
}
#endif
return FALSE;
}
static gulong avatar_hook_id = HOOK_NONE;
static MsgInfo *parse_stream(void *data, gboolean isstring, MsgFlags flags,
gboolean full, gboolean decrypted)
{
MsgInfo *msginfo;
gchar *buf = NULL;
gchar *p, *tmp;
gchar *hp;
HeaderEntry *hentry;
gint hnum;
void *orig_data = data;
get_one_field_func get_one_field =
isstring ? (get_one_field_func)string_get_one_field
: (get_one_field_func)procheader_get_one_field;
hentry = procheader_get_headernames(full);
if (MSG_IS_QUEUED(flags) || MSG_IS_DRAFT(flags)) {
while (get_one_field(&buf, data, NULL) != -1) {
if ((!strncmp(buf, "X-Claws-End-Special-Headers: 1",
strlen("X-Claws-End-Special-Headers:"))) ||
(!strncmp(buf, "X-Sylpheed-End-Special-Headers: 1",
strlen("X-Sylpheed-End-Special-Headers:")))) {
g_free(buf);
buf = NULL;
break;
}
/* from other mailers */
if (!strncmp(buf, "Date: ", 6)
|| !strncmp(buf, "To: ", 4)
|| !strncmp(buf, "From: ", 6)
|| !strncmp(buf, "Subject: ", 9)) {
if (isstring)
data = orig_data;
else
rewind((FILE *)data);
g_free(buf);
buf = NULL;
break;
}
g_free(buf);
buf = NULL;
}
}
msginfo = procmsg_msginfo_new();
if (flags.tmp_flags || flags.perm_flags)
msginfo->flags = flags;
else
MSG_SET_PERM_FLAGS(msginfo->flags, MSG_NEW | MSG_UNREAD);
msginfo->inreplyto = NULL;
if (avatar_hook_id == HOOK_NONE && (prefs_common.enable_avatars & AVATARS_ENABLE_CAPTURE)) {
avatar_hook_id = hooks_register_hook(AVATAR_HEADER_UPDATE_HOOKLIST, avatar_from_some_face, NULL);
} else if (avatar_hook_id != HOOK_NONE && !(prefs_common.enable_avatars & AVATARS_ENABLE_CAPTURE)) {
hooks_unregister_hook(AVATAR_HEADER_UPDATE_HOOKLIST, avatar_hook_id);
avatar_hook_id = HOOK_NONE;
}
while ((hnum = get_one_field(&buf, data, hentry)) != -1) {
hp = buf + strlen(hentry[hnum].name);
while (*hp == ' ' || *hp == '\t') hp++;
switch (hnum) {
case H_DATE:
if (msginfo->date) break;
msginfo->date_t =
procheader_date_parse(NULL, hp, 0);
if (g_utf8_validate(hp, -1, NULL)) {
msginfo->date = g_strdup(hp);
} else {
gchar *utf = conv_codeset_strdup(
hp,
conv_get_locale_charset_str_no_utf8(),
CS_INTERNAL);
if (utf == NULL ||
!g_utf8_validate(utf, -1, NULL)) {
g_free(utf);
utf = g_malloc(strlen(buf)*2+1);
conv_localetodisp(utf,
strlen(hp)*2+1, hp);
}
msginfo->date = utf;
}
break;
case H_FROM:
if (msginfo->from) break;
msginfo->from = conv_unmime_header(hp, NULL, TRUE);
msginfo->fromname = procheader_get_fromname(msginfo->from);
remove_return(msginfo->from);
remove_return(msginfo->fromname);
break;
case H_TO:
tmp = conv_unmime_header(hp, NULL, TRUE);
remove_return(tmp);
if (msginfo->to) {
p = msginfo->to;
msginfo->to =
g_strconcat(p, ", ", tmp, NULL);
g_free(p);
} else
msginfo->to = g_strdup(tmp);
g_free(tmp);
break;
case H_CC:
tmp = conv_unmime_header(hp, NULL, TRUE);
remove_return(tmp);
if (msginfo->cc) {
p = msginfo->cc;
msginfo->cc =
g_strconcat(p, ", ", tmp, NULL);
g_free(p);
} else
msginfo->cc = g_strdup(tmp);
g_free(tmp);
break;
case H_NEWSGROUPS:
if (msginfo->newsgroups) {
p = msginfo->newsgroups;
msginfo->newsgroups =
g_strconcat(p, ",", hp, NULL);
g_free(p);
} else
msginfo->newsgroups = g_strdup(hp);
break;
case H_SUBJECT:
if (msginfo->subject) break;
msginfo->subject = conv_unmime_header(hp, NULL, FALSE);
unfold_line(msginfo->subject);
break;
case H_MSG_ID:
if (msginfo->msgid) break;
extract_parenthesis(hp, '<', '>');
remove_space(hp);
msginfo->msgid = g_strdup(hp);
break;
case H_REFERENCES:
msginfo->references =
references_list_prepend(msginfo->references,
hp);
break;
case H_IN_REPLY_TO:
if (msginfo->inreplyto) break;
eliminate_parenthesis(hp, '(', ')');
if ((p = strrchr(hp, '<')) != NULL &&
strchr(p + 1, '>') != NULL) {
extract_parenthesis(p, '<', '>');
remove_space(p);
if (*p != '\0')
msginfo->inreplyto = g_strdup(p);
}
break;
case H_CONTENT_TYPE:
if (!g_ascii_strncasecmp(hp, "multipart/", 10))
MSG_SET_TMP_FLAGS(msginfo->flags, MSG_MULTIPART);
break;
case H_DISPOSITION_NOTIFICATION_TO:
if (!msginfo->extradata)
msginfo->extradata = g_new0(MsgInfoExtraData, 1);
if (msginfo->extradata->dispositionnotificationto) break;
msginfo->extradata->dispositionnotificationto = g_strdup(hp);
break;
case H_RETURN_RECEIPT_TO:
if (!msginfo->extradata)
msginfo->extradata = g_new0(MsgInfoExtraData, 1);
if (msginfo->extradata->returnreceiptto) break;
msginfo->extradata->returnreceiptto = g_strdup(hp);
break;
/* partial download infos */
case H_SC_PARTIALLY_RETRIEVED:
if (!msginfo->extradata)
msginfo->extradata = g_new0(MsgInfoExtraData, 1);
if (msginfo->extradata->partial_recv) break;
msginfo->extradata->partial_recv = g_strdup(hp);
break;
case H_SC_ACCOUNT_SERVER:
if (!msginfo->extradata)
msginfo->extradata = g_new0(MsgInfoExtraData, 1);
if (msginfo->extradata->account_server) break;
msginfo->extradata->account_server = g_strdup(hp);
break;
case H_SC_ACCOUNT_LOGIN:
if (!msginfo->extradata)
msginfo->extradata = g_new0(MsgInfoExtraData, 1);
if (msginfo->extradata->account_login) break;
msginfo->extradata->account_login = g_strdup(hp);
break;
case H_SC_MESSAGE_SIZE:
if (msginfo->total_size) break;
msginfo->total_size = atoi(hp);
break;
case H_SC_PLANNED_DOWNLOAD:
msginfo->planned_download = atoi(hp);
break;
/* end partial download infos */
case H_FROM_SPACE:
if (msginfo->fromspace) break;
msginfo->fromspace = g_strdup(hp);
remove_return(msginfo->fromspace);
break;
/* list infos */
case H_LIST_POST:
if (!msginfo->extradata)
msginfo->extradata = g_new0(MsgInfoExtraData, 1);
if (msginfo->extradata->list_post) break;
msginfo->extradata->list_post = g_strdup(hp);
break;
case H_LIST_SUBSCRIBE:
if (!msginfo->extradata)
msginfo->extradata = g_new0(MsgInfoExtraData, 1);
if (msginfo->extradata->list_subscribe) break;
msginfo->extradata->list_subscribe = g_strdup(hp);
break;
case H_LIST_UNSUBSCRIBE:
if (!msginfo->extradata)
msginfo->extradata = g_new0(MsgInfoExtraData, 1);
if (msginfo->extradata->list_unsubscribe) break;
msginfo->extradata->list_unsubscribe = g_strdup(hp);
break;
case H_LIST_HELP:
if (!msginfo->extradata)
msginfo->extradata = g_new0(MsgInfoExtraData, 1);
if (msginfo->extradata->list_help) break;
msginfo->extradata->list_help = g_strdup(hp);
break;
case H_LIST_ARCHIVE:
if (!msginfo->extradata)
msginfo->extradata = g_new0(MsgInfoExtraData, 1);
if (msginfo->extradata->list_archive) break;
msginfo->extradata->list_archive = g_strdup(hp);
break;
case H_LIST_OWNER:
if (!msginfo->extradata)
msginfo->extradata = g_new0(MsgInfoExtraData, 1);
if (msginfo->extradata->list_owner) break;
msginfo->extradata->list_owner = g_strdup(hp);
break;
case H_RESENT_FROM:
if (!msginfo->extradata)
msginfo->extradata = g_new0(MsgInfoExtraData, 1);
if (msginfo->extradata->resent_from) break;
msginfo->extradata->resent_from = g_strdup(hp);
break;
/* end list infos */
default:
break;
}
/* to avoid performance penalty hooklist is invoked only for
headers known to be able to generate avatars */
if (hnum == H_FROM || hnum == H_X_FACE || hnum == H_FACE) {
AvatarCaptureData *acd = g_new0(AvatarCaptureData, 1);
/* no extra memory is wasted, hooks are expected to
take care of copying members when needed */
acd->msginfo = msginfo;
acd->header = hentry_full[hnum].name;
acd->content = hp;
hooks_invoke(AVATAR_HEADER_UPDATE_HOOKLIST, (gpointer)acd);
g_free(acd);
}
g_free(buf);
buf = NULL;
}
if (!msginfo->inreplyto && msginfo->references)
msginfo->inreplyto =
g_strdup((gchar *)msginfo->references->data);
return msginfo;
}
gchar *procheader_get_fromname(const gchar *str)
{
gchar *tmp, *name;
Xstrdup_a(tmp, str, return NULL);
if (*tmp == '\"') {
extract_quote(tmp, '\"');
g_strstrip(tmp);
} else if (strchr(tmp, '<')) {
eliminate_parenthesis(tmp, '<', '>');
g_strstrip(tmp);
if (*tmp == '\0') {
strcpy(tmp, str);
extract_parenthesis(tmp, '<', '>');
g_strstrip(tmp);
}
} else if (strchr(tmp, '(')) {
extract_parenthesis(tmp, '(', ')');
g_strstrip(tmp);
}
if (*tmp == '\0')
name = g_strdup(str);
else
name = g_strdup(tmp);
return name;
}
static gint procheader_scan_date_string(const gchar *str,
gchar *weekday, gint *day,
gchar *month, gint *year,
gint *hh, gint *mm, gint *ss,
gchar *zone)
{
gint result;
gint month_n;
gint secfract;
gint zone1 = 0, zone2 = 0;
gchar offset_sign, zonestr[7];
gchar sep1;
if (str == NULL)
return -1;
result = sscanf(str, "%10s %d %9s %d %2d:%2d:%2d %6s",
weekday, day, month, year, hh, mm, ss, zone);
if (result == 8) return 0;
/* RFC2822 */
result = sscanf(str, "%3s,%d %9s %d %2d:%2d:%2d %6s",
weekday, day, month, year, hh, mm, ss, zone);
if (result == 8) return 0;
result = sscanf(str, "%d %9s %d %2d:%2d:%2d %6s",
day, month, year, hh, mm, ss, zone);
if (result == 7) return 0;
*zone = '\0';
result = sscanf(str, "%10s %d %9s %d %2d:%2d:%2d",
weekday, day, month, year, hh, mm, ss);
if (result == 7) return 0;
result = sscanf(str, "%d %9s %d %2d:%2d:%2d",
day, month, year, hh, mm, ss);
if (result == 6) return 0;
*ss = 0;
result = sscanf(str, "%10s %d %9s %d %2d:%2d %6s",
weekday, day, month, year, hh, mm, zone);
if (result == 7) return 0;
result = sscanf(str, "%d %9s %d %2d:%2d %5s",
day, month, year, hh, mm, zone);
if (result == 6) return 0;
*zone = '\0';
result = sscanf(str, "%10s %d %9s %d %2d:%2d",
weekday, day, month, year, hh, mm);
if (result == 6) return 0;
result = sscanf(str, "%d %9s %d %2d:%2d",
day, month, year, hh, mm);
if (result == 5) return 0;
*weekday = '\0';
/* RFC3339 subset, with fraction of second */
result = sscanf(str, "%4d-%2d-%2d%c%2d:%2d:%2d.%d%6s",
year, &month_n, day, &sep1, hh, mm, ss, &secfract, zonestr);
if (result == 9
&& (sep1 == 'T' || sep1 == 't' || sep1 == ' ')) {
if (month_n >= 1 && month_n <= 12) {
strncpy2(month, monthstr+((month_n-1)*3), 4);
if (zonestr[0] == 'z' || zonestr[0] == 'Z') {
strcat(zone, "+00:00");
} else if (sscanf(zonestr, "%c%2d:%2d",
&offset_sign, &zone1, &zone2) == 3) {
strcat(zone, zonestr);
}
return 0;
}
}
/* RFC3339 subset, no fraction of second */
result = sscanf(str, "%4d-%2d-%2d%c%2d:%2d:%2d%6s",
year, &month_n, day, &sep1, hh, mm, ss, zonestr);
if (result == 8
&& (sep1 == 'T' || sep1 == 't' || sep1 == ' ')) {
if (month_n >= 1 && month_n <= 12) {
strncpy2(month, monthstr+((month_n-1)*3), 4);
if (zonestr[0] == 'z' || zonestr[0] == 'Z') {
strcat(zone, "+00:00");
} else if (sscanf(zonestr, "%c%2d:%2d",
&offset_sign, &zone1, &zone2) == 3) {
strcat(zone, zonestr);
}
return 0;
}
}
*zone = '\0';
/* RFC3339 subset, no fraction of second, and no timezone offset */
/* This particular "subset" is invalid, RFC requires the offset */
result = sscanf(str, "%4d-%2d-%2d %2d:%2d:%2d",
year, &month_n, day, hh, mm, ss);
if (result == 6) {
if (1 <= month_n && month_n <= 12) {
strncpy2(month, monthstr+((month_n-1)*3), 4);
return 0;
}
}
/* ISO8601 format with just date (YYYY-MM-DD) */
result = sscanf(str, "%4d-%2d-%2d",
year, &month_n, day);
if (result == 3) {
*hh = *mm = *ss = 0;
if (1 <= month_n && month_n <= 12) {
strncpy2(month, monthstr+((month_n-1)*3), 4);
return 0;
}
}
return -1;
}
/*
* Hiro, most UNIXen support this function:
* http://www.mcsr.olemiss.edu/cgi-bin/man-cgi?getdate
*/
gboolean procheader_date_parse_to_tm(const gchar *src, struct tm *t, char *zone)
{
gchar weekday[11];
gint day;
gchar month[10];
gint year;
gint hh, mm, ss;
GDateMonth dmonth;
gchar *p;
if (!t)
return FALSE;
memset(t, 0, sizeof *t);
if (procheader_scan_date_string(src, weekday, &day, month, &year,
&hh, &mm, &ss, zone) < 0) {
g_warning("Invalid date: %s", src);
return FALSE;
}
/* Y2K compliant :) */
if (year < 100) {
if (year < 70)
year += 2000;
else
year += 1900;
}
month[3] = '\0';
if ((p = strstr(monthstr, month)) != NULL)
dmonth = (gint)(p - monthstr) / 3 + 1;
else {
g_warning("Invalid month: %s", month);
dmonth = G_DATE_BAD_MONTH;
}
t->tm_sec = ss;
t->tm_min = mm;
t->tm_hour = hh;
t->tm_mday = day;
t->tm_mon = dmonth - 1;
t->tm_year = year - 1900;
t->tm_wday = 0;
t->tm_yday = 0;
t->tm_isdst = -1;
mktime(t);
return TRUE;
}
time_t procheader_date_parse(gchar *dest, const gchar *src, gint len)
{
gchar weekday[11];
gint day;
gchar month[10];
gint year;
gint hh, mm, ss;
gchar zone[7];
GDateMonth dmonth = G_DATE_BAD_MONTH;
gchar *p;
time_t timer;
if (procheader_scan_date_string(src, weekday, &day, month, &year,
&hh, &mm, &ss, zone) < 0) {
if (dest && len > 0)
strncpy2(dest, src, len);
return 0;
}
month[3] = '\0';
for (p = monthstr; *p != '\0'; p += 3) {
if (!g_ascii_strncasecmp(p, month, 3)) {
dmonth = (gint)(p - monthstr) / 3 + 1;
break;
}
}
#ifdef G_OS_WIN32
GTimeZone *tz;
GDateTime *dt, *dt2;
tz = g_time_zone_new(zone); // can't return NULL no need to check for it
dt = g_date_time_new(tz, 1, 1, 1, 0, 0, 0);
g_time_zone_unref(tz);
dt2 = g_date_time_add_full(dt, year-1, dmonth-1, day-1, hh, mm, ss);
g_date_time_unref(dt);
timer = g_date_time_to_unix(dt2);
g_date_time_unref(dt2);
#else
struct tm t;
time_t tz_offset;
/* Y2K compliant :) */
if (year < 1000) {
if (year < 50)
year += 2000;
else
year += 1900;
}
t.tm_sec = ss;
t.tm_min = mm;
t.tm_hour = hh;
t.tm_mday = day;
t.tm_mon = dmonth - 1;
t.tm_year = year - 1900;
t.tm_wday = 0;
t.tm_yday = 0;
t.tm_isdst = -1;
timer = mktime(&t);
tz_offset = remote_tzoffset_sec(zone);
if (tz_offset != -1)
timer += tzoffset_sec(&timer) - tz_offset;
if (dest)
procheader_date_get_localtime(dest, len, timer);
#endif
return timer;
}
void procheader_date_get_localtime(gchar *dest, gint len, const time_t timer)
{
struct tm *lt;
gchar *default_format = "%y/%m/%d(%a) %H:%M";
gchar *str;
const gchar *src_codeset, *dest_codeset;
struct tm buf;
if (timer > 0)
lt = localtime_r(&timer, &buf);
else {
time_t dummy = 1;
lt = localtime_r(&dummy, &buf);
}
if (prefs_common.date_format)
fast_strftime(dest, len, prefs_common.date_format, lt);
else
fast_strftime(dest, len, default_format, lt);
if (!g_utf8_validate(dest, -1, NULL)) {
src_codeset = conv_get_locale_charset_str_no_utf8();
dest_codeset = CS_UTF_8;
str = conv_codeset_strdup(dest, src_codeset, dest_codeset);
if (str) {
strncpy2(dest, str, len);
g_free(str);
}
}
}
/* Added by Mel Hadasht on 27 Aug 2001 */
/* Get a header from msginfo */
gint procheader_get_header_from_msginfo(MsgInfo *msginfo, gchar **buf, gchar *header)
{
gchar *file;
FILE *fp;
HeaderEntry hentry[]={ { NULL, NULL, TRUE },
{ NULL, NULL, FALSE } };
gint val;
cm_return_val_if_fail(msginfo != NULL, -1);
cm_return_val_if_fail(buf != NULL, -1);
cm_return_val_if_fail(header != NULL, -1);
hentry[0].name = header;
file = procmsg_get_message_file_path(msginfo);
if ((fp = g_fopen(file, "rb")) == NULL) {
FILE_OP_ERROR(file, "fopen");
g_free(file);
g_free(*buf);
*buf = NULL;
return -1;
}
val = procheader_get_one_field(buf, fp, hentry);
if (fclose(fp) == EOF) {
FILE_OP_ERROR(file, "fclose");
claws_unlink(file);
g_free(file);
g_free(*buf);
*buf = NULL;
return -1;
}
g_free(file);
if (val == -1) {
/* *buf is already NULL in that case, see procheader_get_one_field() */
return -1;
}
return 0;
}
HeaderEntry *procheader_entries_from_str(const gchar *str)
{
HeaderEntry *entries = NULL, *he;
int numh = 0, i = 0;
gchar **names = NULL;
const gchar *s = str;
if (s == NULL) {
return NULL;
}
while (*s != '\0') {
if (*s == ' ') ++numh;
++s;
}
if (numh == 0) {
return NULL;
}
entries = g_new0(HeaderEntry, numh + 1); /* room for last NULL */
s = str;
++s; /* skip first space */
names = g_strsplit(s, " ", numh);
he = entries;
while (names[i]) {
he->name = g_strdup_printf("%s:", names[i]);
he->body = NULL;
he->unfold = FALSE;
++i, ++he;
}
he->name = NULL;
g_strfreev(names);
return entries;
}
void procheader_entries_free (HeaderEntry *entries)
{
if (entries != NULL) {
HeaderEntry *he = entries;
while (he->name != NULL) {
g_free(he->name);
if (he->body != NULL)
g_free(he->body);
++he;
}
g_free(entries);
}
}
gboolean procheader_header_is_internal(const gchar *hdr_name)
{
const gchar *internal_hdrs[] = {
"AF:", "NF:", "PS:", "SRH:", "SFN:", "DSR:", "MID:", "CFG:",
"PT:", "S:", "RQ:", "SSV:", "NSV:", "SSH:", "R:", "MAID:",
"SCF:", "RMID:", "FMID:", "NAID:",
"X-Claws-Account-Id:",
"X-Claws-Sign:",
"X-Claws-Encrypt:",
"X-Claws-Privacy-System:",
"X-Claws-Auto-Wrapping:",
"X-Claws-Auto-Indent:",
"X-Claws-End-Special-Headers:",
"X-Sylpheed-Account-Id:",
"X-Sylpheed-Sign:",
"X-Sylpheed-Encrypt:",
"X-Sylpheed-Privacy-System:",
"X-Sylpheed-End-Special-Headers:",
NULL
};
int i;
for (i = 0; internal_hdrs[i]; i++) {
if (!strcmp(hdr_name, internal_hdrs[i]))
return TRUE;
}
return FALSE;
}