1/*- 2 * Copyright (c) 2002 Networks Associates Technology, Inc. 3 * All rights reserved. 4 * 5 * This software was developed for the FreeBSD Project by ThinkSec AS and 6 * NAI Labs, the Security Research Division of Network Associates, Inc. 7 * under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), as part of the 8 * DARPA CHATS research program. --- 17 unchanged lines hidden (view full) --- 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * |
34 * $P4: //depot/projects/openpam/lib/pam_get_user.c#11 $ |
35 */ 36 37#include <sys/param.h> 38 |
39#include <stdlib.h> 40 |
41#include <security/pam_appl.h> 42#include <security/openpam.h> 43 44#include "openpam_impl.h" 45 |
46const char user_prompt[] = "Login:"; 47 |
48/* 49 * XSSO 4.2.1 50 * XSSO 6 page 52 51 * 52 * Retrieve user name 53 */ 54 55int 56pam_get_user(pam_handle_t *pamh, 57 const char **user, 58 const char *prompt) 59{ |
60 char *resp; |
61 int r; 62 63 if (pamh == NULL || user == NULL) 64 return (PAM_SYSTEM_ERR); 65 66 r = pam_get_item(pamh, PAM_USER, (const void **)user); 67 if (r == PAM_SUCCESS) 68 return (PAM_SUCCESS); 69 if (prompt == NULL) { |
70 r = pam_get_item(pamh, PAM_USER_PROMPT, (const void **)&prompt); 71 if (r != PAM_SUCCESS || prompt == NULL) 72 prompt = user_prompt; |
73 } |
74 r = pam_prompt(pamh, PAM_PROMPT_ECHO_ON, &resp, "%s", prompt); |
75 if (r != PAM_SUCCESS) 76 return (r); |
77 r = pam_set_item(pamh, PAM_USER, resp); 78 free(resp); 79 if (r != PAM_SUCCESS) 80 return (r); 81 return (pam_get_item(pamh, PAM_USER, (const void **)user)); |
82} 83 84/* 85 * Error codes: 86 * 87 * =pam_get_item 88 * =pam_prompt 89 * =pam_set_item 90 * !PAM_SYMBOL_ERR 91 */ |
92 93/** 94 * The =pam_get_user function returns the name of the target user, as 95 * specified to =pam_start. If no user was specified, nor set using 96 * =pam_set_item, =pam_get_user will prompt for a user name. Either way, 97 * a pointer to the user name is stored in the location pointed to by the 98 * =user argument. 99 100 * The =prompt argument specifies a prompt to use if no user name is 101 * cached. If it is =NULL, the =PAM_USER_PROMPT will be used. If that 102 * item is also =NULL, a hardcoded default prompt will be used. 103 * 104 * >pam_get_item 105 * >pam_get_authtok 106 */ |