2 * Copyright (c) 2004-2005 Todd C. Miller <Todd.Miller@courtesan.com>
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.
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.
32 __unused static const char rcsid[] = "$Sudo: sudo_noexec.c,v 1.12 2005/03/12 23:43:40 millert Exp $";
36 * Dummy versions of the execve() family of syscalls. We don't need
37 * to stub out all of them, just the ones that correspond to actual
38 * system calls (which varies by OS). Note that it is still possible
39 * to access the real syscalls via the syscall() interface but very
40 * few programs actually do that.
55 #define DUMMY2(fn, t1, t2) \
60 #define DUMMY3(fn, t1, t2, t3) \
62 fn(t1 a1, t2 a2, t3 a3) \
65 #define DUMMY_VA(fn, t1, t2) \
67 fn(t1 a1, t2 a2, ...) \
72 #define DUMMY2(fn, t1, t2) \
78 #define DUMMY3(fn, t1, t2, t3) \
81 t1 a1; t2 a2; t3 a3; \
84 #define DUMMY_VA(fn, t1, t2) \
86 fn(a1, a2, va_alist) \
87 t1 a1; t2 a2; va_dcl \
90 #endif /* !__STDC__ */
92 DUMMY_VA(execl, const char *, const char *)
93 DUMMY_VA(_execl, const char *, const char *)
94 DUMMY_VA(__execl, const char *, const char *)
95 DUMMY_VA(execle, const char *, const char *)
96 DUMMY_VA(_execle, const char *, const char *)
97 DUMMY_VA(__execle, const char *, const char *)
98 DUMMY_VA(execlp, const char *, const char *)
99 DUMMY_VA(_execlp, const char *, const char *)
100 DUMMY_VA(__execlp, const char *, const char *)
101 DUMMY2(execv, const char *, char * const *)
102 DUMMY2(_execv, const char *, char * const *)
103 DUMMY2(__execv, const char *, char * const *)
104 DUMMY2(execvp, const char *, char * const *)
105 DUMMY2(_execvp, const char *, char * const *)
106 DUMMY2(__execvp, const char *, char * const *)
107 DUMMY3(execvP, const char *, const char *, char * const *)
108 DUMMY3(_execvP, const char *, const char *, char * const *)
109 DUMMY3(__execvP, const char *, const char *, char * const *)
110 DUMMY3(execve, const char *, char * const *, char * const *)
111 DUMMY3(_execve, const char *, char * const *, char * const *)
112 DUMMY3(__execve, const char *, char * const *, char * const *)
113 DUMMY3(fexecve, int , char * const *, char * const *)
114 DUMMY3(_fexecve, int , char * const *, char * const *)
115 DUMMY3(__fexecve, int , char * const *, char * const *)