masqmail: src/local.c annotate

annotate src/local.c @ 434:f2a7271746d1 default tip

Removes Freshmeat.net from the docs The site, which was later renamed to freecode.com, is no longer maintained (contains only a static copy).

author	markus schnalke <meillo@marmaro.de>
date	Sat, 07 Feb 2015 11:45:07 +0100
parents	f609a05ddff8
children

rev	line source
367 b27f66555ba8 Reformated multiline comments to have leading asterisks on each line markus schnalke <meillo@marmaro.de> parents: 366 diff changeset	1 /*
b27f66555ba8 Reformated multiline comments to have leading asterisks on each line markus schnalke <meillo@marmaro.de> parents: 366 diff changeset	2 ** MasqMail
b27f66555ba8 Reformated multiline comments to have leading asterisks on each line markus schnalke <meillo@marmaro.de> parents: 366 diff changeset	3 ** Copyright (C) 1999-2001 Oliver Kurth
b27f66555ba8 Reformated multiline comments to have leading asterisks on each line markus schnalke <meillo@marmaro.de> parents: 366 diff changeset	4 ** Copyright (C) 2010 markus schnalke <meillo@marmaro.de>
b27f66555ba8 Reformated multiline comments to have leading asterisks on each line markus schnalke <meillo@marmaro.de> parents: 366 diff changeset	5 **
b27f66555ba8 Reformated multiline comments to have leading asterisks on each line markus schnalke <meillo@marmaro.de> parents: 366 diff changeset	6 ** This program is free software; you can redistribute it and/or modify
b27f66555ba8 Reformated multiline comments to have leading asterisks on each line markus schnalke <meillo@marmaro.de> parents: 366 diff changeset	7 ** it under the terms of the GNU General Public License as published by
b27f66555ba8 Reformated multiline comments to have leading asterisks on each line markus schnalke <meillo@marmaro.de> parents: 366 diff changeset	8 ** the Free Software Foundation; either version 2 of the License, or
b27f66555ba8 Reformated multiline comments to have leading asterisks on each line markus schnalke <meillo@marmaro.de> parents: 366 diff changeset	9 ** (at your option) any later version.
b27f66555ba8 Reformated multiline comments to have leading asterisks on each line markus schnalke <meillo@marmaro.de> parents: 366 diff changeset	10 **
b27f66555ba8 Reformated multiline comments to have leading asterisks on each line markus schnalke <meillo@marmaro.de> parents: 366 diff changeset	11 ** This program is distributed in the hope that it will be useful,
b27f66555ba8 Reformated multiline comments to have leading asterisks on each line markus schnalke <meillo@marmaro.de> parents: 366 diff changeset	12 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
b27f66555ba8 Reformated multiline comments to have leading asterisks on each line markus schnalke <meillo@marmaro.de> parents: 366 diff changeset	13 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
b27f66555ba8 Reformated multiline comments to have leading asterisks on each line markus schnalke <meillo@marmaro.de> parents: 366 diff changeset	14 ** GNU General Public License for more details.
b27f66555ba8 Reformated multiline comments to have leading asterisks on each line markus schnalke <meillo@marmaro.de> parents: 366 diff changeset	15 **
b27f66555ba8 Reformated multiline comments to have leading asterisks on each line markus schnalke <meillo@marmaro.de> parents: 366 diff changeset	16 ** You should have received a copy of the GNU General Public License
b27f66555ba8 Reformated multiline comments to have leading asterisks on each line markus schnalke <meillo@marmaro.de> parents: 366 diff changeset	17 ** along with this program; if not, write to the Free Software
b27f66555ba8 Reformated multiline comments to have leading asterisks on each line markus schnalke <meillo@marmaro.de> parents: 366 diff changeset	18 ** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
0 08114f7dcc23 this is masqmail-0.2.21 from oliver kurth meillo@marmaro.de parents: diff changeset	19 */
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth meillo@marmaro.de parents: diff changeset	20
15 f671821d8222 code beautifying; 0 -> \0 if appropriate meillo@marmaro.de parents: 10 diff changeset	21 #include <sys/wait.h>
169 d1c53e76096f added a missing #include <sys/stat.h> meillo@marmaro.de parents: 114 diff changeset	22 #include <sys/stat.h>
15 f671821d8222 code beautifying; 0 -> \0 if appropriate meillo@marmaro.de parents: 10 diff changeset	23
0 08114f7dcc23 this is masqmail-0.2.21 from oliver kurth meillo@marmaro.de parents: diff changeset	24 #include "masqmail.h"
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth meillo@marmaro.de parents: diff changeset	25 #include "peopen.h"
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth meillo@marmaro.de parents: diff changeset	26
10 26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	27 static void
366 41958685480d Switched to `type name' style markus schnalke <meillo@marmaro.de>* parents: 332 diff changeset	28 message_stream(FILE out, message msg, GList *hdr_list, guint flags)
0 08114f7dcc23 this is masqmail-0.2.21 from oliver kurth meillo@marmaro.de parents: diff changeset	29 {
10 26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	30 time_t now = time(NULL);
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	31 GList *node;
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	32
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	33 if (flags & MSGSTR_FROMLINE) {
408 f609a05ddff8 Broke long lines. markus schnalke <meillo@marmaro.de> parents: 367 diff changeset	34 fprintf(out, "From <%s@%s> %s", msg->return_path->local_part,
f609a05ddff8 Broke long lines. markus schnalke <meillo@marmaro.de> parents: 367 diff changeset	35 msg->return_path->domain, ctime(&now));
10 26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	36 }
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	37
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	38 foreach(hdr_list, node) {
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	39 header hdr = (header ) (node->data);
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	40 fputs(hdr->header, out);
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	41 }
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	42 putc('\n', out);
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	43 foreach(msg->data_list, node) {
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	44 /* From hack: */
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	45 if (flags & MSGSTR_FROMHACK) {
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	46 if (strncmp(node->data, "From ", 5) == 0)
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	47 putc('>', out);
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	48 }
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	49 fputs(node->data, out);
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	50 }
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	51 putc('\n', out);
0 08114f7dcc23 this is masqmail-0.2.21 from oliver kurth meillo@marmaro.de parents: diff changeset	52 }
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth meillo@marmaro.de parents: diff changeset	53
10 26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	54 gboolean
366 41958685480d Switched to `type name' style markus schnalke <meillo@marmaro.de>* parents: 332 diff changeset	55 append_file(message msg, GList hdr_list, gchar *user)
0 08114f7dcc23 this is masqmail-0.2.21 from oliver kurth meillo@marmaro.de parents: diff changeset	56 {
10 26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	57 struct passwd *pw;
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	58 gboolean ok = FALSE;
332 63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	59 uid_t saved_uid = geteuid();
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	60 gid_t saved_gid = getegid();
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	61 gboolean uid_ok = TRUE, gid_ok = TRUE;
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	62 gchar *filename;
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	63 FILE *out;
10 26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	64
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	65 /* headers may be special for a local delivery */
332 63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	66 if (!hdr_list)
10 26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	67 hdr_list = msg->hdr_list;
0 08114f7dcc23 this is masqmail-0.2.21 from oliver kurth meillo@marmaro.de parents: diff changeset	68
332 63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	69 if (!(pw = getpwnam(user))) {
408 f609a05ddff8 Broke long lines. markus schnalke <meillo@marmaro.de> parents: 367 diff changeset	70 logwrite(LOG_ALERT, "could not find password entry for "
f609a05ddff8 Broke long lines. markus schnalke <meillo@marmaro.de> parents: 367 diff changeset	71 "user %s\n", user);
10 26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	72 errno = ENOENT; /* getpwnam does not set errno correctly */
332 63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	73 return FALSE;
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	74 }
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	75
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	76 if (!conf.run_as_user) {
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	77 uid_ok = (seteuid(0) == 0);
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	78 if (uid_ok) {
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	79 gid_ok = (setegid(conf.mail_gid) == 0);
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	80 uid_ok = (seteuid(pw->pw_uid) == 0);
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	81 }
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	82 if (!uid_ok \|\| !gid_ok) {
408 f609a05ddff8 Broke long lines. markus schnalke <meillo@marmaro.de> parents: 367 diff changeset	83 logwrite(LOG_ALERT, "could not set uid or gid for "
f609a05ddff8 Broke long lines. markus schnalke <meillo@marmaro.de> parents: 367 diff changeset	84 "local delivery, uid = %d: %s\n",
f609a05ddff8 Broke long lines. markus schnalke <meillo@marmaro.de> parents: 367 diff changeset	85 pw->pw_uid, strerror(errno));
332 63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	86 return FALSE;
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	87 }
0 08114f7dcc23 this is masqmail-0.2.21 from oliver kurth meillo@marmaro.de parents: diff changeset	88 }
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth meillo@marmaro.de parents: diff changeset	89
332 63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	90 DEBUG(5) debugf("running as euid %d, egid %d\n", geteuid(), getegid());
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	91
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	92 filename = g_strdup_printf("%s/%s", conf.mail_dir, user);
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	93 if (!(out = fopen(filename, "a"))) {
408 f609a05ddff8 Broke long lines. markus schnalke <meillo@marmaro.de> parents: 367 diff changeset	94 logwrite(LOG_ALERT, "could not open file %s: %s\n",
f609a05ddff8 Broke long lines. markus schnalke <meillo@marmaro.de> parents: 367 diff changeset	95 filename, strerror(errno));
332 63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	96 } else {
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	97 #ifdef USE_LIBLOCKFILE
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	98 gint err;
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	99 /* lock file using liblockfile */
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	100 err = maillock(user, 3);
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	101 if (err == 0) {
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	102 #else
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	103 /* lock file: */
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	104 struct flock lock;
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	105 lock.l_type = F_WRLCK;
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	106 lock.l_whence = SEEK_END;
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	107 lock.l_start = lock.l_len = 0;
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	108 if (fcntl(fileno(out), F_SETLK, &lock) != -1) {
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	109 #endif
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	110 fchmod(fileno(out), 0600);
408 f609a05ddff8 Broke long lines. markus schnalke <meillo@marmaro.de> parents: 367 diff changeset	111 message_stream(out, msg, hdr_list,
f609a05ddff8 Broke long lines. markus schnalke <meillo@marmaro.de> parents: 367 diff changeset	112 MSGSTR_FROMLINE \| MSGSTR_FROMHACK);
332 63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	113 ok = TRUE;
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	114
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	115 /* close when still user */
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	116 fclose(out);
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	117 #ifdef USE_LIBLOCKFILE
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	118 mailunlock();
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	119 #endif
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	120 } else {
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	121 fclose(out);
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	122 #ifdef USE_LIBLOCKFILE
408 f609a05ddff8 Broke long lines. markus schnalke <meillo@marmaro.de> parents: 367 diff changeset	123 DEBUG(3) debugf("could not lock file %s: error %d\n",
f609a05ddff8 Broke long lines. markus schnalke <meillo@marmaro.de> parents: 367 diff changeset	124 filename, err);
332 63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	125 } /* XEmacs indenting convenience... */
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	126 #else
408 f609a05ddff8 Broke long lines. markus schnalke <meillo@marmaro.de> parents: 367 diff changeset	127 DEBUG(3) debugf("could not lock file %s: %s\n",
f609a05ddff8 Broke long lines. markus schnalke <meillo@marmaro.de> parents: 367 diff changeset	128 filename, strerror(errno));
332 63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	129 }
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	130 #endif
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	131 }
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	132 g_free(filename);
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	133
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	134 if (!conf.run_as_user) {
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	135 uid_ok = (seteuid(0) == 0);
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	136 if (uid_ok) {
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	137 gid_ok = (setegid(saved_gid) == 0);
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	138 uid_ok = (seteuid(saved_uid) == 0);
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	139 }
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	140 }
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	141
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	142 if (!uid_ok \|\| !gid_ok) {
367 b27f66555ba8 Reformated multiline comments to have leading asterisks on each line markus schnalke <meillo@marmaro.de> parents: 366 diff changeset	143 /*
b27f66555ba8 Reformated multiline comments to have leading asterisks on each line markus schnalke <meillo@marmaro.de> parents: 366 diff changeset	144 ** FIXME: if this fails we HAVE to exit, because we shall
b27f66555ba8 Reformated multiline comments to have leading asterisks on each line markus schnalke <meillo@marmaro.de> parents: 366 diff changeset	145 ** not run with some users id. But we do not return, and so
b27f66555ba8 Reformated multiline comments to have leading asterisks on each line markus schnalke <meillo@marmaro.de> parents: 366 diff changeset	146 ** this message will not be finished, so the user will get
b27f66555ba8 Reformated multiline comments to have leading asterisks on each line markus schnalke <meillo@marmaro.de> parents: 366 diff changeset	147 ** the message again next time a delivery is attempted...
b27f66555ba8 Reformated multiline comments to have leading asterisks on each line markus schnalke <meillo@marmaro.de> parents: 366 diff changeset	148 */
408 f609a05ddff8 Broke long lines. markus schnalke <meillo@marmaro.de> parents: 367 diff changeset	149 logwrite(LOG_ALERT, "could not set back uid or gid after "
f609a05ddff8 Broke long lines. markus schnalke <meillo@marmaro.de> parents: 367 diff changeset	150 "local delivery: %s\n", strerror(errno));
f609a05ddff8 Broke long lines. markus schnalke <meillo@marmaro.de> parents: 367 diff changeset	151 logwrite(LOG_ALERT, "uid=%d, gid=%d, euid=%d, egid=%d, "
f609a05ddff8 Broke long lines. markus schnalke <meillo@marmaro.de> parents: 367 diff changeset	152 "want = %d, %d\n", getuid(), getgid(),
f609a05ddff8 Broke long lines. markus schnalke <meillo@marmaro.de> parents: 367 diff changeset	153 geteuid(), getegid(), saved_uid, saved_gid);
f609a05ddff8 Broke long lines. markus schnalke <meillo@marmaro.de> parents: 367 diff changeset	154 logwrite(LOG_ALERT, "In case of trouble, see "
f609a05ddff8 Broke long lines. markus schnalke <meillo@marmaro.de> parents: 367 diff changeset	155 "local.c:append_file() for details.\n",
f609a05ddff8 Broke long lines. markus schnalke <meillo@marmaro.de> parents: 367 diff changeset	156 strerror(errno));
332 63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	157 exit(1);
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	158 }
10 26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	159 return ok;
0 08114f7dcc23 this is masqmail-0.2.21 from oliver kurth meillo@marmaro.de parents: diff changeset	160 }
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth meillo@marmaro.de parents: diff changeset	161
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth meillo@marmaro.de parents: diff changeset	162 gboolean
366 41958685480d Switched to `type name' style markus schnalke <meillo@marmaro.de>* parents: 332 diff changeset	163 pipe_out(message msg, GList hdr_list, address rcpt, gchar cmd, guint flags)
0 08114f7dcc23 this is masqmail-0.2.21 from oliver kurth meillo@marmaro.de parents: diff changeset	164 {
10 26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	165 gchar *envp[40];
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	166 FILE *out;
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	167 uid_t saved_uid = geteuid();
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	168 gid_t saved_gid = getegid();
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	169 gboolean ok = FALSE;
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	170 gint i, n;
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	171 pid_t pid;
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	172 void (*old_signal) (int);
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	173 int status;
332 63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	174 address *ancestor = addr_find_ancestor(rcpt);
0 08114f7dcc23 this is masqmail-0.2.21 from oliver kurth meillo@marmaro.de parents: diff changeset	175
10 26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	176 /* set uid and gid to the mail ids */
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	177 if (!conf.run_as_user) {
408 f609a05ddff8 Broke long lines. markus schnalke <meillo@marmaro.de> parents: 367 diff changeset	178 set_euidgid(conf.mail_uid, conf.mail_gid,
f609a05ddff8 Broke long lines. markus schnalke <meillo@marmaro.de> parents: 367 diff changeset	179 &saved_uid, &saved_gid);
10 26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	180 }
0 08114f7dcc23 this is masqmail-0.2.21 from oliver kurth meillo@marmaro.de parents: diff changeset	181
10 26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	182 /* set environment */
332 63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	183 n = 0;
408 f609a05ddff8 Broke long lines. markus schnalke <meillo@marmaro.de> parents: 367 diff changeset	184 envp[n++] = g_strdup_printf("SENDER=%s@%s",
f609a05ddff8 Broke long lines. markus schnalke <meillo@marmaro.de> parents: 367 diff changeset	185 msg->return_path->local_part,
f609a05ddff8 Broke long lines. markus schnalke <meillo@marmaro.de> parents: 367 diff changeset	186 msg->return_path->domain);
f609a05ddff8 Broke long lines. markus schnalke <meillo@marmaro.de> parents: 367 diff changeset	187 envp[n++] = g_strdup_printf("SENDER_DOMAIN=%s",
f609a05ddff8 Broke long lines. markus schnalke <meillo@marmaro.de> parents: 367 diff changeset	188 msg->return_path->domain);
f609a05ddff8 Broke long lines. markus schnalke <meillo@marmaro.de> parents: 367 diff changeset	189 envp[n++] = g_strdup_printf("SENDER_LOCAL=%s",
f609a05ddff8 Broke long lines. markus schnalke <meillo@marmaro.de> parents: 367 diff changeset	190 msg->return_path->local_part);
f609a05ddff8 Broke long lines. markus schnalke <meillo@marmaro.de> parents: 367 diff changeset	191 envp[n++] = g_strdup_printf("RECEIVED_HOST=%s",
f609a05ddff8 Broke long lines. markus schnalke <meillo@marmaro.de> parents: 367 diff changeset	192 msg->received_host ? msg->received_host : "");
0 08114f7dcc23 this is masqmail-0.2.21 from oliver kurth meillo@marmaro.de parents: diff changeset	193
408 f609a05ddff8 Broke long lines. markus schnalke <meillo@marmaro.de> parents: 367 diff changeset	194 envp[n++] = g_strdup_printf("RETURN_PATH=%s@%s",
f609a05ddff8 Broke long lines. markus schnalke <meillo@marmaro.de> parents: 367 diff changeset	195 msg->return_path->local_part,
f609a05ddff8 Broke long lines. markus schnalke <meillo@marmaro.de> parents: 367 diff changeset	196 msg->return_path->domain);
f609a05ddff8 Broke long lines. markus schnalke <meillo@marmaro.de> parents: 367 diff changeset	197 envp[n++] = g_strdup_printf("DOMAIN=%s",
f609a05ddff8 Broke long lines. markus schnalke <meillo@marmaro.de> parents: 367 diff changeset	198 ancestor->domain);
0 08114f7dcc23 this is masqmail-0.2.21 from oliver kurth meillo@marmaro.de parents: diff changeset	199
332 63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	200 envp[n++] = g_strdup_printf("LOCAL_PART=%s", ancestor->local_part);
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	201 envp[n++] = g_strdup_printf("USER=%s", ancestor->local_part);
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	202 envp[n++] = g_strdup_printf("LOGNAME=%s", ancestor->local_part);
0 08114f7dcc23 this is masqmail-0.2.21 from oliver kurth meillo@marmaro.de parents: diff changeset	203
332 63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	204 envp[n++] = g_strdup_printf("MESSAGE_ID=%s", msg->uid);
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	205 envp[n++] = g_strdup_printf("QUALIFY_DOMAIN=%s", conf.host_name);
0 08114f7dcc23 this is masqmail-0.2.21 from oliver kurth meillo@marmaro.de parents: diff changeset	206
332 63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	207 envp[n] = NULL;
0 08114f7dcc23 this is masqmail-0.2.21 from oliver kurth meillo@marmaro.de parents: diff changeset	208
10 26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	209 old_signal = signal(SIGCHLD, SIG_DFL);
0 08114f7dcc23 this is masqmail-0.2.21 from oliver kurth meillo@marmaro.de parents: diff changeset	210
10 26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	211 out = peidopen(cmd, "w", envp, &pid, conf.mail_uid, conf.mail_gid);
332 63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	212 if (!out) {
408 f609a05ddff8 Broke long lines. markus schnalke <meillo@marmaro.de> parents: 367 diff changeset	213 logwrite(LOG_ALERT, "could not open pipe '%s': %s\n",
f609a05ddff8 Broke long lines. markus schnalke <meillo@marmaro.de> parents: 367 diff changeset	214 cmd, strerror(errno));
332 63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	215 } else {
10 26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	216 message_stream(out, msg, hdr_list, flags);
0 08114f7dcc23 this is masqmail-0.2.21 from oliver kurth meillo@marmaro.de parents: diff changeset	217
10 26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	218 fclose(out);
0 08114f7dcc23 this is masqmail-0.2.21 from oliver kurth meillo@marmaro.de parents: diff changeset	219
10 26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	220 waitpid(pid, &status, 0);
0 08114f7dcc23 this is masqmail-0.2.21 from oliver kurth meillo@marmaro.de parents: diff changeset	221
10 26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	222 if (WEXITSTATUS(status) != 0) {
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	223 int exstat = WEXITSTATUS(status);
408 f609a05ddff8 Broke long lines. markus schnalke <meillo@marmaro.de> parents: 367 diff changeset	224 logwrite(LOG_ALERT, "process returned %d (%s)\n",
f609a05ddff8 Broke long lines. markus schnalke <meillo@marmaro.de> parents: 367 diff changeset	225 exstat, ext_strerror(1024 + exstat));
10 26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	226 errno = 1024 + exstat;
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	227 } else if (WIFSIGNALED(status)) {
408 f609a05ddff8 Broke long lines. markus schnalke <meillo@marmaro.de> parents: 367 diff changeset	228 logwrite(LOG_ALERT, "process got signal %d\n",
f609a05ddff8 Broke long lines. markus schnalke <meillo@marmaro.de> parents: 367 diff changeset	229 WTERMSIG(status));
10 26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	230 } else
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	231 ok = TRUE;
0 08114f7dcc23 this is masqmail-0.2.21 from oliver kurth meillo@marmaro.de parents: diff changeset	232
332 63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	233 }
0 08114f7dcc23 this is masqmail-0.2.21 from oliver kurth meillo@marmaro.de parents: diff changeset	234
10 26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	235 signal(SIGCHLD, old_signal);
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	236
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	237 /* free environment */
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	238 for (i = 0; i < n; i++) {
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	239 g_free(envp[i]);
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	240 }
0 08114f7dcc23 this is masqmail-0.2.21 from oliver kurth meillo@marmaro.de parents: diff changeset	241
10 26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	242 /* set uid and gid back */
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	243 if (!conf.run_as_user) {
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	244 set_euidgid(saved_uid, saved_gid, NULL, NULL);
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	245 }
0 08114f7dcc23 this is masqmail-0.2.21 from oliver kurth meillo@marmaro.de parents: diff changeset	246
10 26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	247 return ok;
0 08114f7dcc23 this is masqmail-0.2.21 from oliver kurth meillo@marmaro.de parents: diff changeset	248 }

Mercurial > masqmail

annotate src/local.c @ 434:f2a7271746d1 default tip