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1 | /* |
2 | ** Copyright 1998 - 1999 Double Precision, Inc. See COPYING for |
3 | ** distribution information. |
4 | */ |
5 | |
6 | #if HAVE_CONFIG_H |
7 | #include "courier_auth_config.h" |
8 | #endif |
9 | #include <stdio.h> |
10 | #include <stdlib.h> |
11 | #include <string.h> |
12 | #include <errno.h> |
13 | #include <pwd.h> |
14 | #if HAVE_UNISTD_H |
15 | #include <unistd.h> |
16 | #endif |
17 | |
18 | #include "auth.h" |
19 | #include "courierauthdebug.h" |
20 | #include "userdb/userdb.h" |
21 | |
22 | static const char rcsid[]="$Id: preauthuserdbcommon.c,v 1.21 2006/10/28 19:22:52 mrsam Exp $"; |
23 | |
24 | int auth_userdb_pre_common(const char *userid, const char *service, |
25 | int needpass, |
26 | int (*callback)(struct authinfo *, void *), |
27 | void *arg) |
28 | { |
29 | char *u; |
30 | struct userdbs *udb; |
31 | struct authinfo auth; |
32 | char *udbs; |
33 | char *services; |
34 | char *passwords=0; |
35 | int rc; |
36 | |
37 | userdb_set_debug(courier_authdebug_login_level); |
38 | userdb_init(USERDB ".dat"); |
39 | /* We rely on DPRINTF doing 'safe' printing */ |
40 | DPRINTF("userdb: looking up '%s'", userid); |
41 | if ( (u=userdb(userid)) == 0) |
42 | { |
43 | userdb_close(); |
44 | errno=EPERM; |
45 | return (-1); |
46 | } |
47 | |
48 | if ((udb=userdb_creates(u)) == 0) |
49 | { |
50 | free(u); |
51 | return (-1); |
52 | } |
53 | free(u); |
54 | |
55 | memset(&auth, 0, sizeof(auth)); |
56 | |
57 | auth.sysuserid= &udb->udb_uid; |
58 | auth.sysgroupid=udb->udb_gid; |
59 | auth.homedir=udb->udb_dir; |
60 | auth.address=userid; |
61 | auth.fullname=udb->udb_gecos; |
62 | auth.options=udb->udb_options; |
63 | |
64 | if (needpass) |
65 | { |
66 | udbs=userdbshadow(USERDB "shadow.dat", userid); |
67 | |
68 | if (udbs) |
69 | { |
70 | if ((services=malloc(strlen(service)+sizeof("pw"))) == 0) |
71 | { |
72 | perror("malloc"); |
73 | free(udbs); |
74 | userdb_frees(udb); |
75 | return (1); |
76 | } |
77 | |
78 | strcat(strcpy(services, service), "pw"); |
79 | |
80 | passwords=userdb_gets(udbs, services); |
81 | |
82 | if (passwords) |
83 | { |
84 | DPRINTF("found %s in userdbshadow", services); |
85 | } |
86 | else |
87 | { |
88 | passwords=userdb_gets(udbs, "systempw"); |
89 | if (passwords) |
90 | { |
91 | DPRINTF("found systempw in userdbshadow"); |
92 | } |
93 | else |
94 | { |
95 | DPRINTF("no %s or systempw value in userdbshadow for %s", |
96 | services, userid); |
97 | } |
98 | } |
99 | |
100 | free(services); |
101 | free(udbs); |
102 | } |
103 | auth.passwd=passwords; |
104 | } |
105 | |
106 | auth.maildir=udb->udb_mailbox; |
107 | auth.quota=udb->udb_quota; |
108 | |
109 | courier_authdebug_authinfo("DEBUG: authuserdb: ", &auth, 0, passwords); |
110 | rc= (*callback)(&auth, arg); |
111 | if (passwords) free(passwords); |
112 | userdb_frees(udb); |
113 | return (rc); |
114 | } |
115 | |
116 | void auth_userdb_cleanup() |
117 | { |
118 | userdb_close(); |
119 | } |
120 | |
121 | void auth_userdb_enumerate( void(*cb_func)(const char *name, |
122 | uid_t uid, |
123 | gid_t gid, |
124 | const char *homedir, |
125 | const char *maildir, |
126 | const char *options, |
127 | void *void_arg), |
128 | void *void_arg) |
129 | { |
130 | struct userdbs *u; |
131 | |
132 | userdb_init(USERDB ".dat"); |
133 | |
134 | for (u=userdb_enum_first(); u; u=userdb_enum_next()) |
135 | { |
136 | (*cb_func)(u->udb_name, |
137 | u->udb_uid, |
138 | u->udb_gid, |
139 | u->udb_dir, |
140 | u->udb_mailbox, |
141 | u->udb_options, |
142 | void_arg); |
143 | userdb_frees(u); |
144 | } |
145 | (*cb_func)(NULL, 0, 0, NULL, NULL, NULL, void_arg); |
146 | } |
147 | |