1*7c478bd9Sstevel@tonic-gate /*
2*7c478bd9Sstevel@tonic-gate * CDDL HEADER START
3*7c478bd9Sstevel@tonic-gate *
4*7c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the
5*7c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
6*7c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance
7*7c478bd9Sstevel@tonic-gate * with the License.
8*7c478bd9Sstevel@tonic-gate *
9*7c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*7c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
11*7c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions
12*7c478bd9Sstevel@tonic-gate * and limitations under the License.
13*7c478bd9Sstevel@tonic-gate *
14*7c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
15*7c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*7c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
17*7c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
18*7c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
19*7c478bd9Sstevel@tonic-gate *
20*7c478bd9Sstevel@tonic-gate * CDDL HEADER END
21*7c478bd9Sstevel@tonic-gate */
22*7c478bd9Sstevel@tonic-gate /*
23*7c478bd9Sstevel@tonic-gate * Copyright (c) 1992-1995, by Sun Microsystems, Inc.
24*7c478bd9Sstevel@tonic-gate * All rights reserved.
25*7c478bd9Sstevel@tonic-gate */
26*7c478bd9Sstevel@tonic-gate
27*7c478bd9Sstevel@tonic-gate #include <security/pam_appl.h>
28*7c478bd9Sstevel@tonic-gate #include <string.h>
29*7c478bd9Sstevel@tonic-gate #include <stdlib.h>
30*7c478bd9Sstevel@tonic-gate #include <malloc.h>
31*7c478bd9Sstevel@tonic-gate
32*7c478bd9Sstevel@tonic-gate #include "sample_utils.h"
33*7c478bd9Sstevel@tonic-gate
34*7c478bd9Sstevel@tonic-gate /* ******************************************************************** */
35*7c478bd9Sstevel@tonic-gate /* */
36*7c478bd9Sstevel@tonic-gate /* Utilities Functions */
37*7c478bd9Sstevel@tonic-gate /* */
38*7c478bd9Sstevel@tonic-gate /* ******************************************************************** */
39*7c478bd9Sstevel@tonic-gate
40*7c478bd9Sstevel@tonic-gate /*
41*7c478bd9Sstevel@tonic-gate * __free_msg():
42*7c478bd9Sstevel@tonic-gate * free storage for messages used in the call back "pam_conv" functions
43*7c478bd9Sstevel@tonic-gate */
44*7c478bd9Sstevel@tonic-gate
45*7c478bd9Sstevel@tonic-gate void
__free_msg(num_msg,msg)46*7c478bd9Sstevel@tonic-gate __free_msg(num_msg, msg)
47*7c478bd9Sstevel@tonic-gate int num_msg;
48*7c478bd9Sstevel@tonic-gate struct pam_message *msg;
49*7c478bd9Sstevel@tonic-gate {
50*7c478bd9Sstevel@tonic-gate int i;
51*7c478bd9Sstevel@tonic-gate struct pam_message *m;
52*7c478bd9Sstevel@tonic-gate
53*7c478bd9Sstevel@tonic-gate if (msg) {
54*7c478bd9Sstevel@tonic-gate m = msg;
55*7c478bd9Sstevel@tonic-gate for (i = 0; i < num_msg; i++, m++) {
56*7c478bd9Sstevel@tonic-gate if (m->msg)
57*7c478bd9Sstevel@tonic-gate free(m->msg);
58*7c478bd9Sstevel@tonic-gate }
59*7c478bd9Sstevel@tonic-gate free(msg);
60*7c478bd9Sstevel@tonic-gate }
61*7c478bd9Sstevel@tonic-gate }
62*7c478bd9Sstevel@tonic-gate
63*7c478bd9Sstevel@tonic-gate /*
64*7c478bd9Sstevel@tonic-gate * __free_resp():
65*7c478bd9Sstevel@tonic-gate * free storage for responses used in the call back "pam_conv" functions
66*7c478bd9Sstevel@tonic-gate */
67*7c478bd9Sstevel@tonic-gate
68*7c478bd9Sstevel@tonic-gate void
__free_resp(num_msg,resp)69*7c478bd9Sstevel@tonic-gate __free_resp(num_msg, resp)
70*7c478bd9Sstevel@tonic-gate int num_msg;
71*7c478bd9Sstevel@tonic-gate struct pam_response *resp;
72*7c478bd9Sstevel@tonic-gate {
73*7c478bd9Sstevel@tonic-gate int i;
74*7c478bd9Sstevel@tonic-gate struct pam_response *r;
75*7c478bd9Sstevel@tonic-gate
76*7c478bd9Sstevel@tonic-gate if (resp) {
77*7c478bd9Sstevel@tonic-gate r = resp;
78*7c478bd9Sstevel@tonic-gate for (i = 0; i < num_msg; i++, r++) {
79*7c478bd9Sstevel@tonic-gate if (r->resp)
80*7c478bd9Sstevel@tonic-gate free(r->resp);
81*7c478bd9Sstevel@tonic-gate }
82*7c478bd9Sstevel@tonic-gate free(resp);
83*7c478bd9Sstevel@tonic-gate }
84*7c478bd9Sstevel@tonic-gate }
85*7c478bd9Sstevel@tonic-gate
86*7c478bd9Sstevel@tonic-gate /*
87*7c478bd9Sstevel@tonic-gate * __display_errmsg():
88*7c478bd9Sstevel@tonic-gate * display error message by calling the call back functions
89*7c478bd9Sstevel@tonic-gate * provided by the application through "pam_conv" structure
90*7c478bd9Sstevel@tonic-gate */
91*7c478bd9Sstevel@tonic-gate
92*7c478bd9Sstevel@tonic-gate int
93*7c478bd9Sstevel@tonic-gate __display_errmsg(conv_funp, num_msg, messages, conv_apdp)
94*7c478bd9Sstevel@tonic-gate int (*conv_funp)();
95*7c478bd9Sstevel@tonic-gate int num_msg;
96*7c478bd9Sstevel@tonic-gate char messages[PAM_MAX_NUM_MSG][PAM_MAX_MSG_SIZE];
97*7c478bd9Sstevel@tonic-gate void *conv_apdp;
98*7c478bd9Sstevel@tonic-gate {
99*7c478bd9Sstevel@tonic-gate struct pam_message *msg;
100*7c478bd9Sstevel@tonic-gate struct pam_message *m;
101*7c478bd9Sstevel@tonic-gate struct pam_response *resp;
102*7c478bd9Sstevel@tonic-gate int i;
103*7c478bd9Sstevel@tonic-gate int k;
104*7c478bd9Sstevel@tonic-gate int retcode;
105*7c478bd9Sstevel@tonic-gate
106*7c478bd9Sstevel@tonic-gate msg = (struct pam_message *)calloc(num_msg,
107*7c478bd9Sstevel@tonic-gate sizeof (struct pam_message));
108*7c478bd9Sstevel@tonic-gate if (msg == NULL) {
109*7c478bd9Sstevel@tonic-gate return (PAM_CONV_ERR);
110*7c478bd9Sstevel@tonic-gate }
111*7c478bd9Sstevel@tonic-gate m = msg;
112*7c478bd9Sstevel@tonic-gate
113*7c478bd9Sstevel@tonic-gate i = 0;
114*7c478bd9Sstevel@tonic-gate k = num_msg;
115*7c478bd9Sstevel@tonic-gate resp = NULL;
116*7c478bd9Sstevel@tonic-gate while (k--) {
117*7c478bd9Sstevel@tonic-gate /*
118*7c478bd9Sstevel@tonic-gate * fill out the pam_message structure to display error message
119*7c478bd9Sstevel@tonic-gate */
120*7c478bd9Sstevel@tonic-gate m->msg_style = PAM_ERROR_MSG;
121*7c478bd9Sstevel@tonic-gate m->msg = (char *)malloc(PAM_MAX_MSG_SIZE);
122*7c478bd9Sstevel@tonic-gate if (m->msg != NULL)
123*7c478bd9Sstevel@tonic-gate (void) strcpy(m->msg, (const char *)messages[i]);
124*7c478bd9Sstevel@tonic-gate else
125*7c478bd9Sstevel@tonic-gate continue;
126*7c478bd9Sstevel@tonic-gate m++;
127*7c478bd9Sstevel@tonic-gate i++;
128*7c478bd9Sstevel@tonic-gate }
129*7c478bd9Sstevel@tonic-gate
130*7c478bd9Sstevel@tonic-gate /*
131*7c478bd9Sstevel@tonic-gate * Call conv function to display the message,
132*7c478bd9Sstevel@tonic-gate * ignoring return value for now
133*7c478bd9Sstevel@tonic-gate */
134*7c478bd9Sstevel@tonic-gate retcode = conv_funp(num_msg, &msg, &resp, conv_apdp);
135*7c478bd9Sstevel@tonic-gate __free_msg(num_msg, msg);
136*7c478bd9Sstevel@tonic-gate __free_resp(num_msg, resp);
137*7c478bd9Sstevel@tonic-gate return (retcode);
138*7c478bd9Sstevel@tonic-gate }
139*7c478bd9Sstevel@tonic-gate
140*7c478bd9Sstevel@tonic-gate /*
141*7c478bd9Sstevel@tonic-gate * __get_authtok():
142*7c478bd9Sstevel@tonic-gate * get authentication token by calling the call back functions
143*7c478bd9Sstevel@tonic-gate * provided by the application through "pam_conv" structure
144*7c478bd9Sstevel@tonic-gate */
145*7c478bd9Sstevel@tonic-gate
146*7c478bd9Sstevel@tonic-gate int
147*7c478bd9Sstevel@tonic-gate __get_authtok(conv_funp, num_msg, messages, conv_apdp, ret_respp)
148*7c478bd9Sstevel@tonic-gate int (*conv_funp)();
149*7c478bd9Sstevel@tonic-gate int num_msg;
150*7c478bd9Sstevel@tonic-gate char messages[PAM_MAX_NUM_MSG][PAM_MAX_MSG_SIZE];
151*7c478bd9Sstevel@tonic-gate void *conv_apdp;
152*7c478bd9Sstevel@tonic-gate struct pam_response **ret_respp;
153*7c478bd9Sstevel@tonic-gate {
154*7c478bd9Sstevel@tonic-gate struct pam_message *msg;
155*7c478bd9Sstevel@tonic-gate struct pam_message *m;
156*7c478bd9Sstevel@tonic-gate int i;
157*7c478bd9Sstevel@tonic-gate int k;
158*7c478bd9Sstevel@tonic-gate int retcode;
159*7c478bd9Sstevel@tonic-gate
160*7c478bd9Sstevel@tonic-gate i = 0;
161*7c478bd9Sstevel@tonic-gate k = num_msg;
162*7c478bd9Sstevel@tonic-gate
163*7c478bd9Sstevel@tonic-gate msg = (struct pam_message *)calloc(num_msg,
164*7c478bd9Sstevel@tonic-gate sizeof (struct pam_message));
165*7c478bd9Sstevel@tonic-gate if (msg == NULL) {
166*7c478bd9Sstevel@tonic-gate return (PAM_CONV_ERR);
167*7c478bd9Sstevel@tonic-gate }
168*7c478bd9Sstevel@tonic-gate m = msg;
169*7c478bd9Sstevel@tonic-gate
170*7c478bd9Sstevel@tonic-gate while (k--) {
171*7c478bd9Sstevel@tonic-gate /*
172*7c478bd9Sstevel@tonic-gate * fill out the message structure to display error message
173*7c478bd9Sstevel@tonic-gate */
174*7c478bd9Sstevel@tonic-gate m->msg_style = PAM_PROMPT_ECHO_OFF;
175*7c478bd9Sstevel@tonic-gate m->msg = (char *)malloc(PAM_MAX_MSG_SIZE);
176*7c478bd9Sstevel@tonic-gate if (m->msg != NULL)
177*7c478bd9Sstevel@tonic-gate (void) strcpy(m->msg, (char *)messages[i]);
178*7c478bd9Sstevel@tonic-gate else
179*7c478bd9Sstevel@tonic-gate continue;
180*7c478bd9Sstevel@tonic-gate m++;
181*7c478bd9Sstevel@tonic-gate i++;
182*7c478bd9Sstevel@tonic-gate }
183*7c478bd9Sstevel@tonic-gate
184*7c478bd9Sstevel@tonic-gate /*
185*7c478bd9Sstevel@tonic-gate * Call conv function to display the prompt,
186*7c478bd9Sstevel@tonic-gate * ignoring return value for now
187*7c478bd9Sstevel@tonic-gate */
188*7c478bd9Sstevel@tonic-gate retcode = conv_funp(num_msg, &msg, ret_respp, conv_apdp);
189*7c478bd9Sstevel@tonic-gate __free_msg(num_msg, msg);
190*7c478bd9Sstevel@tonic-gate return (retcode);
191*7c478bd9Sstevel@tonic-gate }
192