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7 * including the disclaimer of warranties.
8 * 2. Redistributions in binary form must reproduce the above copyright
9 * notice, this list of conditions and the following disclaimer in the
10 * documentation and/or other materials provided with the distribution.
11 * 3. The name of the author may not be used to endorse or promote
12 * products derived from this software without specific prior
15 * ALTERNATIVELY, this product may be distributed under the terms of
16 * the GNU Public License, in which case the provisions of the GPL are
17 * required INSTEAD OF the above restrictions. (This clause is
18 * necessary due to a potential bad interaction between the GPL and
19 * the restrictions contained in a BSD-style copyright.)
21 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
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29 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
31 * OF THE POSSIBILITY OF SUCH DAMAGE.
34 #include "pam_private.h"
40 #elif defined(PAM_DYLD)
41 # include <mach-o/dyld.h>
46 #ifndef SHLIB_SYM_PREFIX
47 #define SHLIB_SYM_PREFIX "_"
50 void *_pam_dlopen(const char *mod_path)
53 return shl_load(mod_path, BIND_IMMEDIATE, 0L);
54 #elif defined(PAM_DYLD)
55 NSObjectFileImage ofile;
58 if (NSCreateObjectFileImageFromFile(mod_path, &ofile) !=
59 NSObjectFileImageSuccess )
62 ret = NSLinkModule(ofile, mod_path, NSLINKMODULE_OPTION_PRIVATE | NSLINKMODULE_OPTION_BINDNOW);
63 NSDestroyObjectFileImage(ofile);
67 return dlopen(mod_path, RTLD_NOW);
71 servicefn _pam_dlsym(void *handle, const char *symbol)
80 if( shl_findsym(&handle, symbol, (short) TYPE_PROCEDURE, &ret ){
81 _symbol = malloc( strlen(symbol) + sizeof(SHLIB_SYM_PREFIX) + 1 );
84 strcpy(_symbol, SHLIB_SYM_PREFIX);
85 strcat(_symbol, symbol);
86 if( shl_findsym(&handle, _symbol,
87 (short) TYPE_PROCEDURE, &ret ){
96 #elif defined(PAM_DYLD)
102 _symbol = malloc( strlen(symbol) + 2 );
103 if( _symbol == NULL )
105 strcpy(_symbol, SHLIB_SYM_PREFIX);
106 strcat(_symbol, symbol);
108 nsSymbol = NSLookupSymbolInModule(handle, _symbol);
109 if( nsSymbol == NULL )
113 return (servicefn)NSAddressOfSymbol(nsSymbol);
115 return (servicefn) dlsym(handle, symbol);
119 void _pam_dlclose(void *handle)
123 #elif defined(PAM_DYLD)
124 NSUnLinkModule((NSModule)handle, NSUNLINKMODULE_OPTION_NONE);
135 #if defined(PAM_SHL) || defined(PAM_DYLD)