diff options
Diffstat (limited to 'contrib/openpam/lib/openpam_dynamic.c')
| -rw-r--r-- | contrib/openpam/lib/openpam_dynamic.c | 25 |
1 files changed, 16 insertions, 9 deletions
diff --git a/contrib/openpam/lib/openpam_dynamic.c b/contrib/openpam/lib/openpam_dynamic.c index 084408e..e2abcf7 100644 --- a/contrib/openpam/lib/openpam_dynamic.c +++ b/contrib/openpam/lib/openpam_dynamic.c @@ -1,6 +1,6 @@ /*- * Copyright (c) 2002-2003 Networks Associates Technology, Inc. - * Copyright (c) 2004-2007 Dag-Erling Smørgrav + * Copyright (c) 2004-2008 Dag-Erling Smørgrav * All rights reserved. * * This software was developed for the FreeBSD Project by ThinkSec AS and @@ -32,9 +32,13 @@ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * - * $Id: openpam_dynamic.c 408 2007-12-21 11:36:24Z des $ + * $Id: openpam_dynamic.c 417 2008-02-14 18:36:22Z des $ */ +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + #include <dlfcn.h> #include <stdio.h> #include <stdlib.h> @@ -57,6 +61,7 @@ pam_module_t * openpam_dynamic(const char *path) { + const pam_module_t *dlmodule; pam_module_t *module; const char *prefix; char *vpath; @@ -64,8 +69,6 @@ openpam_dynamic(const char *path) int i; dlh = NULL; - if ((module = calloc(1, sizeof *module)) == NULL) - goto buf_err; /* Prepend the standard prefix if not an absolute pathname. */ if (path[0] != '/') @@ -75,33 +78,37 @@ openpam_dynamic(const char *path) /* try versioned module first, then unversioned module */ if (asprintf(&vpath, "%s%s.%d", prefix, path, LIB_MAJ) < 0) - goto buf_err; + goto err; if ((dlh = dlopen(vpath, RTLD_NOW)) == NULL) { openpam_log(PAM_LOG_DEBUG, "%s: %s", vpath, dlerror()); *strrchr(vpath, '.') = '\0'; if ((dlh = dlopen(vpath, RTLD_NOW)) == NULL) { openpam_log(PAM_LOG_DEBUG, "%s: %s", vpath, dlerror()); FREE(vpath); - FREE(module); return (NULL); } } FREE(vpath); + if ((module = calloc(1, sizeof *module)) == NULL) + goto buf_err; if ((module->path = strdup(path)) == NULL) goto buf_err; module->dlh = dlh; + dlmodule = dlsym(dlh, "_pam_module"); for (i = 0; i < PAM_NUM_PRIMITIVES; ++i) { - module->func[i] = (pam_func_t)dlsym(dlh, _pam_sm_func_name[i]); + module->func[i] = dlmodule ? dlmodule->func[i] : + (pam_func_t)dlsym(dlh, _pam_sm_func_name[i]); if (module->func[i] == NULL) openpam_log(PAM_LOG_DEBUG, "%s: %s(): %s", path, _pam_sm_func_name[i], dlerror()); } return (module); - buf_err: - openpam_log(PAM_LOG_ERROR, "%m"); +buf_err: if (dlh != NULL) dlclose(dlh); FREE(module); +err: + openpam_log(PAM_LOG_ERROR, "%m"); return (NULL); } |
