2 * Copyright 1998 Juniper Networks, Inc.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * $FreeBSD: src/lib/libpam/libpam/pam_get_pass.c,v 1.1.1.1.6.3 2002/07/04 13:05:34 des Exp $
27 * $DragonFly: src/lib/libpam/libpam/Attic/pam_get_pass.c,v 1.2 2003/06/17 04:26:50 dillon Exp $
33 #include <security/pam_modules.h>
34 #include <security/pam_mod_misc.h>
36 static int pam_conv_pass(pam_handle_t *, const char *, struct options *);
39 pam_conv_pass(pam_handle_t *pamh, const char *prompt, struct options *options)
41 const struct pam_conv *conv;
42 struct pam_message msg;
43 const struct pam_message *msgs[1];
44 struct pam_response *resp;
48 retval = pam_get_item(pamh, PAM_CONV, &item);
49 if (retval != PAM_SUCCESS)
51 conv = (const struct pam_conv *)item;
52 msg.msg_style = pam_test_option(options, PAM_OPT_ECHO_PASS, NULL) ?
53 PAM_PROMPT_ECHO_ON : PAM_PROMPT_ECHO_OFF;
56 retval = conv->conv(1, msgs, &resp, conv->appdata_ptr);
57 if (retval != PAM_SUCCESS)
59 retval = pam_set_item(pamh, PAM_AUTHTOK, resp[0].resp);
60 if (retval != PAM_SUCCESS)
62 memset(resp[0].resp, 0, strlen(resp[0].resp));
69 pam_get_pass(pam_handle_t *pamh, const char **passp, const char *prompt,
70 struct options *options)
73 const void *item = NULL;
76 * Grab the already-entered password if we might want to use it.
78 if (pam_test_option(options, PAM_OPT_TRY_FIRST_PASS, NULL) ||
79 pam_test_option(options, PAM_OPT_USE_FIRST_PASS, NULL)) {
80 retval = pam_get_item(pamh, PAM_AUTHTOK, &item);
81 if (retval != PAM_SUCCESS)
86 /* The user hasn't entered a password yet. */
87 if (pam_test_option(options, PAM_OPT_USE_FIRST_PASS, NULL))
89 /* Use the conversation function to get a password. */
90 retval = pam_conv_pass(pamh, prompt, options);
91 if (retval != PAM_SUCCESS)
93 retval = pam_get_item(pamh, PAM_AUTHTOK, &item);
94 if (retval != PAM_SUCCESS)
97 *passp = (const char *)item;