2 * Copyright (c) 1993-1996, 1998-2005, 2007-2011
3 * Todd C. Miller <Todd.Miller@courtesan.com>
5 * Permission to use, copy, modify, and distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 * Sponsored in part by the Defense Advanced Research Projects
18 * Agency (DARPA) and Air Force Research Laboratory, Air Force
19 * Materiel Command, USAF, under agreement number F39502-99-1-0512.
21 * $Sudo: sudo.h,v 1.290 2009/12/12 16:12:26 millert Exp $
29 #include <pathnames.h>
37 # define ROOT_UID 65535
43 * Pseudo-boolean values
51 * Various modes sudo can be in (based on arguments) in hex
53 #define MODE_RUN 0x00000001
54 #define MODE_EDIT 0x00000002
55 #define MODE_VALIDATE 0x00000004
56 #define MODE_INVALIDATE 0x00000008
57 #define MODE_KILL 0x00000010
58 #define MODE_VERSION 0x00000020
59 #define MODE_HELP 0x00000040
60 #define MODE_LIST 0x00000080
61 #define MODE_CHECK 0x00000100
62 #define MODE_MASK 0x0000ffff
65 /* XXX - prune this */
66 #define MODE_BACKGROUND 0x00010000
67 #define MODE_SHELL 0x00020000
68 #define MODE_LOGIN_SHELL 0x00040000
69 #define MODE_IMPLIED_SHELL 0x00080000
70 #define MODE_RESET_HOME 0x00100000
71 #define MODE_PRESERVE_GROUPS 0x00200000
72 #define MODE_PRESERVE_ENV 0x00400000
73 #define MODE_NONINTERACTIVE 0x00800000
74 #define MODE_LONG_LIST 0x01000000
77 * We used to use the system definition of PASS_MAX or _PASSWD_LEN,
78 * but that caused problems with various alternate authentication
79 * methods. So, we just define our own and assume that it is >= the
82 #define SUDO_PASS_MAX 256
85 * Flags for tgetpass()
87 #define TGP_NOECHO 0x00 /* turn echo off reading pw (default) */
88 #define TGP_ECHO 0x01 /* leave echo on when reading passwd */
89 #define TGP_STDIN 0x02 /* read from stdin, not /dev/tty */
90 #define TGP_ASKPASS 0x04 /* read from askpass helper program */
91 #define TGP_MASK 0x08 /* mask user input when reading */
92 #define TGP_NOECHO_TRY 0x10 /* turn off echo if possible */
110 #define CD_SET_UID 0x0001
111 #define CD_SET_EUID 0x0002
112 #define CD_SET_GID 0x0004
113 #define CD_SET_EGID 0x0008
114 #define CD_PRESERVE_GROUPS 0x0010
115 #define CD_NOEXEC 0x0020
116 #define CD_SET_PRIORITY 0x0040
117 #define CD_SET_UMASK 0x0080
118 #define CD_SET_TIMEOUT 0x0100
119 #define CD_SUDOEDIT 0x0200
120 #define CD_BACKGROUND 0x0400
121 #define CD_RBAC_ENABLED 0x0800
122 #define CD_USE_PTY 0x1000
123 #define CD_SET_UTMP 0x2000
125 struct command_details {
139 const char *login_class;
141 const char *selinux_role;
142 const char *selinux_type;
143 const char *utmp_user;
148 /* Status passed between parent and child via socketpair */
149 struct command_status {
150 #define CMD_INVALID 0
152 #define CMD_WSTATUS 2
160 /* For error() and errorx() (XXX - needed?) */
164 char *tgetpass(const char *, int, int);
165 int tty_present(void);
166 extern const char *askpass_path;
167 extern const char *noexec_path;
170 void zero_bytes(volatile void *, size_t);
173 int sudo_execve(struct command_details *details, struct command_status *cstat);
174 void save_signals(void);
175 void restore_signals(void);
178 int term_cbreak(int);
179 int term_copy(int, int);
180 int term_noecho(int);
181 int term_raw(int, int);
182 int term_restore(int, int);
185 char *fmt_string(const char *var, const char *value);
188 int atobool(const char *str);
191 int parse_args(int argc, char **argv, int *nargc, char ***nargv,
192 char ***settingsp, char ***env_addp);
193 extern int tgetpass_flags;
196 int get_pty(int *master, int *slave, char *name, size_t namesz, uid_t uid);
199 void get_ttysize(int *rowp, int *colp);
202 int exec_setup(struct command_details *details, const char *ptyname, int ptyfd);
203 int run_command(struct command_details *details);
204 void sudo_debug(int level, const char *format, ...) __printflike(2, 3);
205 extern int debug_level;
206 extern const char *list_user, *runas_user, *runas_group;
207 extern struct user_details user_details;
210 int sudo_edit(struct command_details *details);
216 int selinux_restore_tty(void);
217 int selinux_setup(const char *role, const char *type, const char *ttyn,
219 void selinux_execve(const char *path, char *argv[], char *envp[]);
222 void aix_prep_user(char *user, const char *tty);
223 void aix_restoreauthdb(void);
224 void aix_setauthdb(char *user);
227 int get_net_ifs(char **addrinfo);
233 #endif /* _SUDO_SUDO_H */