2 * Copyright (c) 1989 Regents of the University of California.
3 * All rights reserved. The Berkeley software License Agreement
4 * specifies the terms and conditions for redistribution.
8 RCSID("$Id: pop_pass.c,v 1.41 2000/04/12 15:37:46 assar Exp $");
12 krb4_verify_password (POP *p)
15 char lrealm[REALM_SZ];
18 status = krb_get_lrealm(lrealm,1);
19 if (status == KFAILURE) {
20 pop_log(p, POP_PRIORITY, "%s: (%s.%s@%s) %s", p->client,
21 p->kdata.pname, p->kdata.pinst, p->kdata.prealm,
22 krb_get_err_text(status));
25 snprintf(tkt, sizeof(tkt), "%s_popper.%u", TKT_ROOT, (unsigned)getpid());
26 krb_set_tkt_string (tkt);
28 status = krb_verify_user(p->user, "", lrealm,
29 p->pop_parm[1], KRB_VERIFY_SECURE, "pop");
30 dest_tkt(); /* no point in keeping the tickets */
37 krb5_verify_password (POP *p)
39 krb5_preauthtype pre_auth_types[] = {KRB5_PADATA_ENC_TIMESTAMP};
40 krb5_get_init_creds_opt get_options;
41 krb5_verify_init_creds_opt verify_options;
43 krb5_principal client, server;
46 krb5_get_init_creds_opt_init (&get_options);
48 krb5_get_init_creds_opt_set_preauth_list (&get_options,
52 krb5_verify_init_creds_opt_init (&verify_options);
54 ret = krb5_parse_name (p->context, p->user, &client);
56 pop_log(p, POP_PRIORITY, "krb5_parse_name: %s",
57 krb5_get_err_text (p->context, ret));
61 ret = krb5_get_init_creds_password (p->context,
71 pop_log(p, POP_PRIORITY,
72 "krb5_get_init_creds_password: %s",
73 krb5_get_err_text (p->context, ret));
77 ret = krb5_sname_to_principal (p->context,
83 pop_log(p, POP_PRIORITY,
84 "krb5_get_init_creds_password: %s",
85 krb5_get_err_text (p->context, ret));
89 ret = krb5_verify_init_creds (p->context,
95 krb5_free_principal (p->context, client);
96 krb5_free_principal (p->context, server);
97 krb5_free_creds_contents (p->context, &creds);
102 * pass: Obtain the user password from a POP client
112 /* Make one string of all these parameters */
114 for (i = 1; i < p->parm_count; ++i)
115 p->pop_parm[i][strlen(p->pop_parm[i])] = ' ';
117 /* Look for the user in the password file */
118 if ((pw = k_getpwnam(p->user)) == NULL)
119 return (pop_msg(p,POP_FAILURE,
120 "Password supplied for \"%s\" is incorrect.",
125 if (p->version == 4) {
126 if(kuserok (&p->kdata, p->user)) {
127 pop_log(p, POP_PRIORITY,
128 "%s: (%s.%s@%s) tried to retrieve mail for %s.",
129 p->client, p->kdata.pname, p->kdata.pinst,
130 p->kdata.prealm, p->user);
131 return(pop_msg(p,POP_FAILURE,
132 "Popping not authorized"));
134 pop_log(p, POP_INFO, "%s: %s.%s@%s -> %s",
136 p->kdata.pname, p->kdata.pinst, p->kdata.prealm,
141 if (p->version == 5) {
144 if (!krb5_kuserok (p->context, p->principal, p->user)) {
145 pop_log (p, POP_PRIORITY,
146 "krb5 permission denied");
147 return pop_msg(p, POP_FAILURE,
148 "Popping not authorized");
150 if(krb5_unparse_name (p->context, p->principal, &name) == 0) {
151 pop_log(p, POP_INFO, "%s: %s -> %s",
152 p->ipaddr, name, p->user);
156 pop_log (p, POP_PRIORITY, "kerberos authentication failed");
157 return pop_msg (p, POP_FAILURE,
158 "kerberos authentication failed");
163 /* We don't accept connections from users with null passwords */
164 if (pw->pw_passwd == NULL)
167 "Password supplied for \"%s\" is incorrect.",
171 if (otp_verify_user (&p->otp_ctx, p->pop_parm[1]) == 0)
175 /* Compare the supplied password with the password file entry */
176 if (p->auth_level != AUTH_NONE)
177 return pop_msg(p, POP_FAILURE,
178 "Password supplied for \"%s\" is incorrect.",
180 else if (!strcmp(crypt(p->pop_parm[1], pw->pw_passwd), pw->pw_passwd))
185 ret = krb4_verify_password (p);
189 ret = krb5_verify_password (p);
192 return pop_msg(p, POP_FAILURE,
193 "Password incorrect");
196 pop_log(p, POP_INFO, "login from %s as %s",
199 /* Build the name of the user's maildrop */
200 snprintf(p->drop_name, sizeof(p->drop_name), "%s/%s", POP_MAILDIR, p->user);
202 if(stat(p->drop_name, &st) < 0 || !S_ISDIR(st.st_mode)){
203 /* Make a temporary copy of the user's maildrop */
204 /* and set the group and user id */
205 if (pop_dropcopy(p, pw) != POP_SUCCESS) return (POP_FAILURE);
207 /* Get information about the maildrop */
208 if (pop_dropinfo(p) != POP_SUCCESS) return(POP_FAILURE);
210 if(changeuser(p, pw) != POP_SUCCESS) return POP_FAILURE;
211 if(pop_maildir_info(p) != POP_SUCCESS) return POP_FAILURE;
213 /* Initialize the last-message-accessed number */
216 /* Authorization completed successfully */
217 return (pop_msg (p, POP_SUCCESS,
218 "%s has %d message(s) (%ld octets).",
219 p->user, p->msg_count, p->drop_size));