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Annotation of embedaddon/sudo/src/sudo_noexec.c, revision 1.1

1.1     ! misho       1: /*
        !             2:  * Copyright (c) 2004-2005, 2010-2011 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: #ifndef HAVE_TIMESPEC
        !            23: # include <time.h>
        !            24: #endif
        !            25: #include <stdarg.h>
        !            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: int                                            \
        !            45: fn(t1 a1, t2 a2)                               \
        !            46: DUMMY_BODY
        !            47: 
        !            48: #define DUMMY3(fn, t1, t2, t3)                 \
        !            49: int                                            \
        !            50: fn(t1 a1, t2 a2, t3 a3)                                \
        !            51: DUMMY_BODY
        !            52: 
        !            53: #define DUMMY_VA(fn, t1, t2)                   \
        !            54: int                                            \
        !            55: fn(t1 a1, t2 a2, ...)                          \
        !            56: DUMMY_BODY
        !            57: 
        !            58: DUMMY_VA(execl, const char *, const char *)
        !            59: DUMMY_VA(_execl, const char *, const char *)
        !            60: DUMMY_VA(__execl, const char *, const char *)
        !            61: DUMMY_VA(execle, const char *, const char *)
        !            62: DUMMY_VA(_execle, const char *, const char *)
        !            63: DUMMY_VA(__execle, const char *, const char *)
        !            64: DUMMY_VA(execlp, const char *, const char *)
        !            65: DUMMY_VA(_execlp, const char *, const char *)
        !            66: DUMMY_VA(__execlp, const char *, const char *)
        !            67: DUMMY2(execv, const char *, char * const *)
        !            68: DUMMY2(_execv, const char *, char * const *)
        !            69: DUMMY2(__execv, const char *, char * const *)
        !            70: DUMMY2(execvp, const char *, char * const *)
        !            71: DUMMY2(_execvp, const char *, char * const *)
        !            72: DUMMY2(__execvp, const char *, char * const *)
        !            73: DUMMY3(execvP, const char *, const char *, char * const *)
        !            74: DUMMY3(_execvP, const char *, const char *, char * const *)
        !            75: DUMMY3(__execvP, const char *, const char *, char * const *)
        !            76: DUMMY3(execve, const char *, char * const *, char * const *)
        !            77: DUMMY3(_execve, const char *, char * const *, char * const *)
        !            78: DUMMY3(__execve, const char *, char * const *, char * const *)
        !            79: DUMMY3(fexecve, int , char * const *, char * const *)
        !            80: DUMMY3(_fexecve, int , char * const *, char * const *)
        !            81: DUMMY3(__fexecve, int , char * const *, char * const *)