vmailpasswd: actually call domtool-publish
[hcoop/domtool2.git] / src / mail / vmailpasswd.c
1 /*
2 Domtool (http://hcoop.sf.net/)
3 Copyright (C) 2005-2007 Adam Chlipala
4
5 This program is free software; you can redistribute it and/or
6 modify it under the terms of the GNU General Public License
7 as published by the Free Software Foundation; either version 2
8 of the License, or (at your option) any later version.
9
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
18 */
19
20 // Setting a virtual mailbox's password if you know its current password
21
22 #define _XOPEN_SOURCE
23 #include <unistd.h>
24 #include <stdio.h>
25 #include <ctype.h>
26 #include <string.h>
27
28 int validDomain(const char *dom) {
29 for (; *dom; ++dom)
30 if (*dom != '.' && *dom != '_' && *dom != '-' && !isalnum(*dom))
31 return 0;
32 return 1;
33 }
34
35 main(int argc, char *argv[]) {
36 char *domain, addr[1024], cmd[1024], *crypted;
37 FILE *pw;
38 int rc;
39
40 if (argc != 4) {
41 puts("Wrong number of arguments");
42 return 1;
43 }
44
45 if (strlen(argv[1]) >= 1024) {
46 puts("Address too long");
47 return 1;
48 }
49 strcpy(addr, argv[1]);
50
51 domain = strchr(addr, '@');
52
53 if (!domain) {
54 puts("No @-sign found in address");
55 return 1;
56 }
57 *domain = 0;
58 ++domain;
59
60 if (!validDomain(addr)) {
61 puts("Invalid local part");
62 return 1;
63 }
64 if (!validDomain(domain)) {
65 puts("Invalid domain");
66 return 1;
67 }
68
69 sprintf(cmd, "/usr/sbin/userdb -show \"%s/%s\" | /bin/grep ^systempw=", domain, argv[1]);
70 pw = popen(cmd, "r");
71 if (!pw) {
72 puts("popen failure");
73 return 1;
74 }
75
76 if (fscanf(pw, "systempw=%1023[^\n]", cmd) != 1) {
77 puts("Error parsing userdb output");
78 return 1;
79 }
80
81 pclose(pw);
82
83 memcpy(addr, cmd, 2);
84 addr[2] = 0;
85
86 crypted = crypt(argv[2], addr);
87
88 if (!crypted) {
89 puts("Error encrypting");
90 return 1;
91 }
92
93 if (strlen(crypted) > 200){
94 puts("Encrypted password too long");
95 return 1;
96 }
97
98 if (strcmp(crypted, cmd)) {
99 puts("Wrong password");
100 return 2;
101 }
102
103 sprintf(cmd, "/usr/sbin/userdbpw | /usr/sbin/userdb \"%s/%s\" set systempw", domain, argv[1]);
104 pw = popen(cmd, "w");
105
106 if (!pw) {
107 puts("Error running userdbpw");
108 return 1;
109 }
110
111 fputs(argv[3], pw);
112 fputc('\n', pw);
113
114 rc = pclose(pw);
115 if (rc) {
116 puts("userdbpw error");
117 return rc;
118 }
119
120 return system("/usr/local/sbin/domtool-publish courier");
121 }