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