masqmail: src/local.c annotate

annotate src/local.c @ 389:bc9a7845b53a

Refactoring and code layouting.

author	markus schnalke <meillo@marmaro.de>
date	Sat, 18 Feb 2012 13:43:30 +0100
parents	b27f66555ba8
children	f609a05ddff8

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) {
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	34 fprintf(out, "From <%s@%s> %s", msg->return_path->local_part, msg->return_path->domain, ctime(&now));
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	35 }
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 foreach(hdr_list, node) {
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	38 header hdr = (header ) (node->data);
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	39 fputs(hdr->header, out);
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	40 }
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	41 putc('\n', out);
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	42 foreach(msg->data_list, node) {
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	43 /* From hack: */
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	44 if (flags & MSGSTR_FROMHACK) {
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	45 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	46 putc('>', out);
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	47 }
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	48 fputs(node->data, out);
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	49 }
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	50 putc('\n', out);
0 08114f7dcc23 this is masqmail-0.2.21 from oliver kurth meillo@marmaro.de parents: diff changeset	51 }
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth meillo@marmaro.de parents: diff changeset	52
10 26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	53 gboolean
366 41958685480d Switched to `type name' style markus schnalke <meillo@marmaro.de>* parents: 332 diff changeset	54 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	55 {
10 26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	56 struct passwd *pw;
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	57 gboolean ok = FALSE;
332 63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	58 uid_t saved_uid = geteuid();
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	59 gid_t saved_gid = getegid();
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	60 gboolean uid_ok = TRUE, gid_ok = TRUE;
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	61 gchar *filename;
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	62 FILE *out;
10 26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	63
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	64 /* 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	65 if (!hdr_list)
10 26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	66 hdr_list = msg->hdr_list;
0 08114f7dcc23 this is masqmail-0.2.21 from oliver kurth meillo@marmaro.de parents: diff changeset	67
332 63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	68 if (!(pw = getpwnam(user))) {
10 26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	69 logwrite(LOG_ALERT, "could not find password entry for user %s\n", user);
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	70 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	71 return FALSE;
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	72 }
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	73
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	74 if (!conf.run_as_user) {
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	75 uid_ok = (seteuid(0) == 0);
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	76 if (uid_ok) {
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	77 gid_ok = (setegid(conf.mail_gid) == 0);
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	78 uid_ok = (seteuid(pw->pw_uid) == 0);
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	79 }
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	80 if (!uid_ok \|\| !gid_ok) {
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	81 logwrite(LOG_ALERT, "could not set uid or gid for local delivery, uid = %d: %s\n", pw->pw_uid, strerror(errno));
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	82 return FALSE;
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	83 }
0 08114f7dcc23 this is masqmail-0.2.21 from oliver kurth meillo@marmaro.de parents: diff changeset	84 }
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth meillo@marmaro.de parents: diff changeset	85
332 63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	86 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	87
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	88 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	89 if (!(out = fopen(filename, "a"))) {
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	90 logwrite(LOG_ALERT, "could not open file %s: %s\n", filename, strerror(errno));
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	91 } else {
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	92 #ifdef USE_LIBLOCKFILE
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	93 gint err;
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	94 /* lock file using liblockfile */
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	95 err = maillock(user, 3);
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	96 if (err == 0) {
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	97 #else
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	98 /* lock file: */
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	99 struct flock lock;
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	100 lock.l_type = F_WRLCK;
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	101 lock.l_whence = SEEK_END;
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	102 lock.l_start = lock.l_len = 0;
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	103 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	104 #endif
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	105 fchmod(fileno(out), 0600);
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	106 message_stream(out, msg, hdr_list, MSGSTR_FROMLINE \| MSGSTR_FROMHACK);
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	107 ok = TRUE;
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	108
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	109 /* close when still user */
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	110 fclose(out);
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	111 #ifdef USE_LIBLOCKFILE
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	112 mailunlock();
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	113 #endif
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	114 } else {
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	115 fclose(out);
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	116 #ifdef USE_LIBLOCKFILE
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	117 DEBUG(3) debugf("could not lock file %s: error %d\n", filename, err);
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	118 } /* XEmacs indenting convenience... */
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	119 #else
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	120 DEBUG(3) debugf("could not lock file %s: %s\n", filename, strerror(errno));
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	121 }
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	122 #endif
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	123 }
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	124 g_free(filename);
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	125
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	126 if (!conf.run_as_user) {
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	127 uid_ok = (seteuid(0) == 0);
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	128 if (uid_ok) {
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	129 gid_ok = (setegid(saved_gid) == 0);
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	130 uid_ok = (seteuid(saved_uid) == 0);
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 }
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 (!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	135 /*
b27f66555ba8 Reformated multiline comments to have leading asterisks on each line markus schnalke <meillo@marmaro.de> parents: 366 diff changeset	136 ** 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	137 ** 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	138 ** 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	139 ** 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	140 */
332 63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	141 logwrite(LOG_ALERT, "could not set back uid or gid after local delivery: %s\n", strerror(errno));
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	142 logwrite(LOG_ALERT, "uid=%d, gid=%d, euid=%d, egid=%d, want = %d, %d\n",
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	143 getuid(), getgid(), geteuid(), getegid(), saved_uid, saved_gid);
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	144 logwrite(LOG_ALERT, "In case of trouble, see local.c:append_file() for details.\n", strerror(errno));
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	145 exit(1);
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	146 }
10 26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	147 return ok;
0 08114f7dcc23 this is masqmail-0.2.21 from oliver kurth meillo@marmaro.de parents: diff changeset	148 }
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth meillo@marmaro.de parents: diff changeset	149
08114f7dcc23 this is masqmail-0.2.21 from oliver kurth meillo@marmaro.de parents: diff changeset	150 gboolean
366 41958685480d Switched to `type name' style markus schnalke <meillo@marmaro.de>* parents: 332 diff changeset	151 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	152 {
10 26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	153 gchar *envp[40];
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	154 FILE *out;
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	155 uid_t saved_uid = geteuid();
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	156 gid_t saved_gid = getegid();
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	157 gboolean ok = FALSE;
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	158 gint i, n;
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	159 pid_t pid;
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	160 void (*old_signal) (int);
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	161 int status;
332 63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	162 address *ancestor = addr_find_ancestor(rcpt);
0 08114f7dcc23 this is masqmail-0.2.21 from oliver kurth meillo@marmaro.de parents: diff changeset	163
10 26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	164 /* 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	165 if (!conf.run_as_user) {
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	166 set_euidgid(conf.mail_uid, conf.mail_gid, &saved_uid, &saved_gid);
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	167 }
0 08114f7dcc23 this is masqmail-0.2.21 from oliver kurth meillo@marmaro.de parents: diff changeset	168
10 26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	169 /* set environment */
332 63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	170 n = 0;
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	171 envp[n++] = g_strdup_printf("SENDER=%s@%s", msg->return_path->local_part, msg->return_path->domain);
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	172 envp[n++] = g_strdup_printf("SENDER_DOMAIN=%s", msg->return_path->domain);
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	173 envp[n++] = g_strdup_printf("SENDER_LOCAL=%s", msg->return_path->local_part);
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	174 envp[n++] = g_strdup_printf("RECEIVED_HOST=%s", msg->received_host ? msg->received_host : "");
0 08114f7dcc23 this is masqmail-0.2.21 from oliver kurth meillo@marmaro.de parents: diff changeset	175
332 63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	176 envp[n++] = g_strdup_printf("RETURN_PATH=%s@%s", msg->return_path->local_part, msg->return_path->domain);
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	177 envp[n++] = g_strdup_printf("DOMAIN=%s", ancestor->domain);
0 08114f7dcc23 this is masqmail-0.2.21 from oliver kurth meillo@marmaro.de parents: diff changeset	178
332 63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	179 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	180 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	181 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	182
332 63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	183 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	184 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	185
332 63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	186 envp[n] = NULL;
0 08114f7dcc23 this is masqmail-0.2.21 from oliver kurth meillo@marmaro.de parents: diff changeset	187
10 26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	188 old_signal = signal(SIGCHLD, SIG_DFL);
0 08114f7dcc23 this is masqmail-0.2.21 from oliver kurth meillo@marmaro.de parents: diff changeset	189
10 26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	190 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	191 if (!out) {
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	192 logwrite(LOG_ALERT, "could not open pipe '%s': %s\n", cmd, strerror(errno));
63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	193 } else {
10 26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	194 message_stream(out, msg, hdr_list, flags);
0 08114f7dcc23 this is masqmail-0.2.21 from oliver kurth meillo@marmaro.de parents: diff changeset	195
10 26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	196 fclose(out);
0 08114f7dcc23 this is masqmail-0.2.21 from oliver kurth meillo@marmaro.de parents: diff changeset	197
10 26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	198 waitpid(pid, &status, 0);
0 08114f7dcc23 this is masqmail-0.2.21 from oliver kurth meillo@marmaro.de parents: diff changeset	199
10 26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	200 if (WEXITSTATUS(status) != 0) {
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	201 int exstat = WEXITSTATUS(status);
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	202 logwrite(LOG_ALERT, "process returned %d (%s)\n", exstat, ext_strerror(1024 + exstat));
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	203 errno = 1024 + exstat;
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	204 } else if (WIFSIGNALED(status)) {
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	205 logwrite(LOG_ALERT, "process got signal %d\n", WTERMSIG(status));
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	206 } else
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	207 ok = TRUE;
0 08114f7dcc23 this is masqmail-0.2.21 from oliver kurth meillo@marmaro.de parents: diff changeset	208
332 63efd381e27b refactoring, partly also related to set_euidgid() markus schnalke <meillo@marmaro.de> parents: 262 diff changeset	209 }
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 signal(SIGCHLD, old_signal);
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	212
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	213 /* free environment */
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	214 for (i = 0; i < n; i++) {
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	215 g_free(envp[i]);
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	216 }
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 /* set uid and gid back */
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	219 if (!conf.run_as_user) {
26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	220 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	221 }
0 08114f7dcc23 this is masqmail-0.2.21 from oliver kurth meillo@marmaro.de parents: diff changeset	222
10 26e34ae9a3e3 changed indention and line wrapping to a more consistent style meillo@marmaro.de parents: 0 diff changeset	223 return ok;
0 08114f7dcc23 this is masqmail-0.2.21 from oliver kurth meillo@marmaro.de parents: diff changeset	224 }

Mercurial > masqmail

annotate src/local.c @ 389:bc9a7845b53a