diff options
Diffstat (limited to 'libpam/pam_dynamic.c')
-rw-r--r-- | libpam/pam_dynamic.c | 142 |
1 files changed, 0 insertions, 142 deletions
diff --git a/libpam/pam_dynamic.c b/libpam/pam_dynamic.c deleted file mode 100644 index 5be33c36..00000000 --- a/libpam/pam_dynamic.c +++ /dev/null @@ -1,142 +0,0 @@ -/* - * 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, and the entire permission notice in its entirety, - * including the disclaimer of warranties. - * 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. - * - * ALTERNATIVELY, this product may be distributed under the terms of - * the GNU Public License, in which case the provisions of the GPL are - * required INSTEAD OF the above restrictions. (This clause is - * necessary due to a potential bad interaction between the GPL and - * the restrictions contained in a BSD-style copyright.) - * - * THIS SOFTWARE IS PROVIDED ``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 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. - */ - -#include "pam_private.h" - -#ifndef PAM_STATIC - -#ifdef PAM_SHL -# include <dl.h> -#elif defined(PAM_DYLD) -# include <mach-o/dyld.h> -#else /* PAM_SHL */ -# include <dlfcn.h> -#endif /* PAM_SHL */ - -#ifndef SHLIB_SYM_PREFIX -#define SHLIB_SYM_PREFIX "_" -#endif - -void *_pam_dlopen(const char *mod_path) -{ -#ifdef PAM_SHL - return shl_load(mod_path, BIND_IMMEDIATE, 0L); -#elif defined(PAM_DYLD) - NSObjectFileImage ofile; - void *ret = NULL; - - if (NSCreateObjectFileImageFromFile(mod_path, &ofile) != - NSObjectFileImageSuccess ) - return NULL; - - ret = NSLinkModule(ofile, mod_path, NSLINKMODULE_OPTION_PRIVATE | NSLINKMODULE_OPTION_BINDNOW); - NSDestroyObjectFileImage(ofile); - - return ret; -#else - return dlopen(mod_path, RTLD_NOW); -#endif -} - -servicefn _pam_dlsym(void *handle, const char *symbol) -{ -#ifdef PAM_SHL - char *_symbol = NULL; - servicefn ret; - - if( symbol == NULL ) - return NULL; - - if( shl_findsym(&handle, symbol, (short) TYPE_PROCEDURE, &ret ){ - _symbol = malloc( strlen(symbol) + sizeof(SHLIB_SYM_PREFIX) + 1 ); - if( _symbol == NULL ) - return NULL; - strcpy(_symbol, SHLIB_SYM_PREFIX); - strcat(_symbol, symbol); - if( shl_findsym(&handle, _symbol, - (short) TYPE_PROCEDURE, &ret ){ - free(_symbol); - return NULL; - } - free(_symbol); - } - - return ret; - -#elif defined(PAM_DYLD) - NSSymbol nsSymbol; - char *_symbol; - - if( symbol == NULL ) - return NULL; - _symbol = malloc( strlen(symbol) + 2 ); - if( _symbol == NULL ) - return NULL; - strcpy(_symbol, SHLIB_SYM_PREFIX); - strcat(_symbol, symbol); - - nsSymbol = NSLookupSymbolInModule(handle, _symbol); - if( nsSymbol == NULL ) - return NULL; - free(_symbol); - - return (servicefn)NSAddressOfSymbol(nsSymbol); -#else - return (servicefn) dlsym(handle, symbol); -#endif -} - -void _pam_dlclose(void *handle) -{ -#ifdef PAM_SHL - shl_unload(handle); -#elif defined(PAM_DYLD) - NSUnLinkModule((NSModule)handle, NSUNLINKMODULE_OPTION_NONE); -#else - dlclose(handle); -#endif - - return; -} - -const char * -_pam_dlerror (void) -{ -#if defined(PAM_SHL) || defined(PAM_DYLD) - return "unknown"; -#else - return dlerror (); -#endif -} - -#endif |