diff options
Diffstat (limited to 'lib/pam_set_data.c')
| -rw-r--r-- | lib/pam_set_data.c | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/lib/pam_set_data.c b/lib/pam_set_data.c new file mode 100644 index 0000000..963de92 --- /dev/null +++ b/lib/pam_set_data.c @@ -0,0 +1,104 @@ +/*- + * Copyright (c) 2002-2003 Networks Associates Technology, Inc. + * Copyright (c) 2004-2007 Dag-Erling Smørgrav + * All rights reserved. + * + * This software was developed for the FreeBSD Project by ThinkSec AS and + * Network Associates Laboratories, the Security Research Division of + * Network Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035 + * ("CBOSS"), as part of the DARPA CHATS research program. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote + * products derived from this software without specific prior written + * permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $Id: pam_set_data.c 408 2007-12-21 11:36:24Z des $ + */ + +#include <stdlib.h> +#include <string.h> + +#include <security/pam_appl.h> + +#include "openpam_impl.h" + +/* + * XSSO 4.2.1 + * XSSO 6 page 59 + * + * Set module information + */ + +int +pam_set_data(pam_handle_t *pamh, + const char *module_data_name, + void *data, + void (*cleanup)(pam_handle_t *pamh, + void *data, + int pam_end_status)) +{ + pam_data_t *dp; + + ENTERS(module_data_name); + if (pamh == NULL) + RETURNC(PAM_SYSTEM_ERR); + for (dp = pamh->module_data; dp != NULL; dp = dp->next) { + if (strcmp(dp->name, module_data_name) == 0) { + if (dp->cleanup) + (dp->cleanup)(pamh, dp->data, PAM_SUCCESS); + dp->data = data; + dp->cleanup = cleanup; + RETURNC(PAM_SUCCESS); + } + } + if ((dp = malloc(sizeof *dp)) == NULL) + RETURNC(PAM_BUF_ERR); + if ((dp->name = strdup(module_data_name)) == NULL) { + FREE(dp); + RETURNC(PAM_BUF_ERR); + } + dp->data = data; + dp->cleanup = cleanup; + dp->next = pamh->module_data; + pamh->module_data = dp; + RETURNC(PAM_SUCCESS); +} + +/* + * Error codes: + * + * PAM_SYSTEM_ERR + * PAM_BUF_ERR + */ + +/** + * The =pam_set_data function associates a pointer to an opaque object + * with an arbitrary string specified by the =module_data_name argument, + * in the PAM context specified by the =pamh argument. + * + * If not =NULL, the =cleanup argument should point to a function + * responsible for releasing the resources associated with the object. + * + * This function and its counterpart =pam_get_data are useful for managing + * data that are meaningful only to a particular service module. + */ |
