FreeBSD/Linux Kernel Cross Reference
sys/sys/imgact.h
1 /*-
2 * Copyright (c) 1993, David Greenman
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 * $FreeBSD$
34 */
35
36 #ifndef _SYS_IMGACT_H_
37 #define _SYS_IMGACT_H_
38
39 #define MAXSHELLCMDLEN 128
40
41 struct image_params {
42 struct proc *proc; /* our process struct */
43 struct execve_args *uap; /* syscall arguments */
44 struct vnode *vp; /* pointer to vnode of file to exec */
45 struct vattr *attr; /* attributes of file */
46 const char *image_header; /* head of file to exec */
47 char *stringbase; /* base address of tmp string storage */
48 char *stringp; /* current 'end' pointer of tmp strings */
49 char *endargs; /* end of argv vector */
50 int stringspace; /* space left in tmp string storage area */
51 int argc, envc; /* count of argument and environment strings */
52 char *argv0; /* Replacement for argv[0] when interpreting */
53 unsigned long entry_addr; /* entry address of target executable */
54 char vmspace_destroyed; /* flag - we've blown away original vm space */
55 char interpreted; /* flag - this executable is interpreted */
56 char interpreter_name[MAXSHELLCMDLEN]; /* name of the interpreter */
57 void *auxargs; /* ELF Auxinfo structure pointer */
58 struct vm_page *firstpage; /* first page that we mapped */
59 char *fname; /* pointer to filename of executable (user space) */
60 unsigned long ps_strings; /* PS_STRINGS for BSD/OS binaries */
61 };
62
63 #ifdef _KERNEL
64 int exec_check_permissions __P((struct image_params *));
65 int exec_extract_strings __P((struct image_params *));
66 int exec_new_vmspace __P((struct image_params *));
67 int exec_shell_imgact __P((struct image_params *));
68 #endif
69
70 #endif /* !_SYS_IMGACT_H_ */
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