| 1 | /*- |
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| 2 | * Copyright (c) 2002 Networks Associates Technologies, Inc. |
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| 3 | * All rights reserved. |
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| 4 | * |
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| 5 | * This software was developed for the FreeBSD Project by ThinkSec AS and |
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| 6 | * NAI Labs, the Security Research Division of Network Associates, Inc. |
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| 7 | * under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), as part of the |
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| 8 | * DARPA CHATS research program. |
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| 9 | * |
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| 10 | * Redistribution and use in source and binary forms, with or without |
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| 11 | * modification, are permitted provided that the following conditions |
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| 12 | * are met: |
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| 13 | * 1. Redistributions of source code must retain the above copyright |
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| 14 | * notice, this list of conditions and the following disclaimer. |
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| 15 | * 2. Redistributions in binary form must reproduce the above copyright |
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| 16 | * notice, this list of conditions and the following disclaimer in the |
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| 17 | * documentation and/or other materials provided with the distribution. |
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| 18 | * 3. The name of the author may not be used to endorse or promote |
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| 19 | * products derived from this software without specific prior written |
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| 20 | * permission. |
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| 21 | * |
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| 22 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
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| 23 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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| 24 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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| 25 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
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| 26 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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| 27 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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| 28 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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| 29 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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| 30 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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| 31 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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| 32 | * SUCH DAMAGE. |
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| 33 | * |
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| 34 | * $Id$ |
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| 35 | */ |
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| 36 | |
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| 37 | #include <sys/param.h> |
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| 38 | |
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| 39 | #include <security/pam_appl.h> |
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| 40 | |
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| 41 | #include "openpam_impl.h" |
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| 42 | |
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| 43 | /* |
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| 44 | * XSSO 4.2.1 |
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| 45 | * XSSO 6 page 52 |
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| 46 | * |
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| 47 | * Retrieve user name |
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| 48 | */ |
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| 49 | |
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| 50 | int |
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| 51 | pam_get_user(pam_handle_t *pamh, |
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| 52 | char **user, |
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| 53 | const char *prompt) |
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| 54 | { |
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| 55 | char *p; |
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| 56 | int r; |
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| 57 | |
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| 58 | if (pamh == NULL || user == NULL) |
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| 59 | return (PAM_SYSTEM_ERR); |
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| 60 | |
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| 61 | r = pam_get_item(pamh, PAM_USER, (void **)user); |
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| 62 | if (r == PAM_SUCCESS) |
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| 63 | return (PAM_SUCCESS); |
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| 64 | if (prompt == NULL) { |
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| 65 | if (pam_get_item(pamh, PAM_USER_PROMPT, (void **)&p) != |
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| 66 | PAM_SUCCESS || p == NULL) |
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| 67 | prompt = "Login: "; |
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| 68 | } |
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| 69 | r = pam_prompt(pamh, user, 0, "%s", prompt ? prompt : p); |
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| 70 | if (r != PAM_SUCCESS) |
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| 71 | return (r); |
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| 72 | return (pam_set_item(pamh, PAM_USER, *user)); |
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| 73 | } |
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