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1.8.7

    1: /*
    2:  * Copyright (c) 2004-2005, 2010-2012 Todd C. Miller <Todd.Miller@courtesan.com>
    3:  *
    4:  * Permission to use, copy, modify, and distribute this software for any
    5:  * purpose with or without fee is hereby granted, provided that the above
    6:  * copyright notice and this permission notice appear in all copies.
    7:  *
    8:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
    9:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
   10:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
   11:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
   12:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
   13:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
   14:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
   15:  */
   16: 
   17: #include <config.h>
   18: 
   19: #include <sys/types.h>
   20: 
   21: #include <errno.h>
   22: #include <stdarg.h>
   23: #ifdef HAVE_SPAWN_H
   24: #include <spawn.h>
   25: #endif
   26: 
   27: #include "missing.h"
   28: 
   29: /*
   30:  * Dummy versions of the execve() family of syscalls.  We don't need
   31:  * to stub out all of them, just the ones that correspond to actual
   32:  * system calls (which varies by OS).  Note that it is still possible
   33:  * to access the real syscalls via the syscall() interface but very
   34:  * few programs actually do that.
   35:  */
   36: 
   37: #define DUMMY_BODY				\
   38: {						\
   39:     errno = EACCES;				\
   40:     return -1;					\
   41: }
   42: 
   43: #define DUMMY2(fn, t1, t2)			\
   44: __dso_public int				\
   45: fn(t1 a1, t2 a2)				\
   46: DUMMY_BODY
   47: 
   48: #define DUMMY3(fn, t1, t2, t3)			\
   49: __dso_public int				\
   50: fn(t1 a1, t2 a2, t3 a3)				\
   51: DUMMY_BODY
   52: 
   53: #define DUMMY6(fn, t1, t2, t3, t4, t5, t6)	\
   54: __dso_public int				\
   55: fn(t1 a1, t2 a2, t3 a3, t4 a4, t5 a5, t6 a6)	\
   56: DUMMY_BODY
   57: 
   58: #define DUMMY_VA(fn, t1, t2)			\
   59: __dso_public int				\
   60: fn(t1 a1, t2 a2, ...)				\
   61: DUMMY_BODY
   62: 
   63: DUMMY_VA(execl, const char *, const char *)
   64: DUMMY_VA(_execl, const char *, const char *)
   65: DUMMY_VA(__execl, const char *, const char *)
   66: DUMMY_VA(execle, const char *, const char *)
   67: DUMMY_VA(_execle, const char *, const char *)
   68: DUMMY_VA(__execle, const char *, const char *)
   69: DUMMY_VA(execlp, const char *, const char *)
   70: DUMMY_VA(_execlp, const char *, const char *)
   71: DUMMY_VA(__execlp, const char *, const char *)
   72: DUMMY3(exect, const char *, char * const *, char * const *)
   73: DUMMY3(_exect, const char *, char * const *, char * const *)
   74: DUMMY3(__exect, const char *, char * const *, char * const *)
   75: DUMMY2(execv, const char *, char * const *)
   76: DUMMY2(_execv, const char *, char * const *)
   77: DUMMY2(__execv, const char *, char * const *)
   78: DUMMY2(execvp, const char *, char * const *)
   79: DUMMY2(_execvp, const char *, char * const *)
   80: DUMMY2(__execvp, const char *, char * const *)
   81: DUMMY3(execvP, const char *, const char *, char * const *)
   82: DUMMY3(_execvP, const char *, const char *, char * const *)
   83: DUMMY3(__execvP, const char *, const char *, char * const *)
   84: DUMMY3(execve, const char *, char * const *, char * const *)
   85: DUMMY3(_execve, const char *, char * const *, char * const *)
   86: DUMMY3(__execve, const char *, char * const *, char * const *)
   87: DUMMY3(execvpe, const char *, char * const *, char * const *)
   88: DUMMY3(_execvpe, const char *, char * const *, char * const *)
   89: DUMMY3(__execvpe, const char *, char * const *, char * const *)
   90: DUMMY3(fexecve, int , char * const *, char * const *)
   91: DUMMY3(_fexecve, int , char * const *, char * const *)
   92: DUMMY3(__fexecve, int , char * const *, char * const *)
   93: #ifdef HAVE_SPAWN_H
   94: DUMMY6(posix_spawn, pid_t *, const char *, const posix_spawn_file_actions_t *, const posix_spawnattr_t *, char * const *, char * const *)
   95: DUMMY6(_posix_spawn, pid_t *, const char *, const posix_spawn_file_actions_t *, const posix_spawnattr_t *, char * const *, char * const *)
   96: DUMMY6(__posix_spawn, pid_t *, const char *, const posix_spawn_file_actions_t *, const posix_spawnattr_t *, char * const *, char * const *)
   97: DUMMY6(posix_spawnp, pid_t *, const char *, const posix_spawn_file_actions_t *, const posix_spawnattr_t *, char * const *, char * const *)
   98: DUMMY6(_posix_spawnp, pid_t *, const char *, const posix_spawn_file_actions_t *, const posix_spawnattr_t *, char * const *, char * const *)
   99: DUMMY6(__posix_spawnp, pid_t *, const char *, const posix_spawn_file_actions_t *, const posix_spawnattr_t *, char * const *, char * const *)
  100: #endif /* HAVE_SPAWN_H */