Annotation of src/usr.bin/sudo/sudo.h, Revision 1.5
1.1 millert 1: /*
1.3 millert 2: * Copyright (c) 1994-1996,1998-2000 Todd C. Miller <Todd.Miller@courtesan.com>
1.1 millert 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: *
9: * 1. Redistributions of source code must retain the above copyright
10: * notice, this list of conditions and the following disclaimer.
11: *
12: * 2. Redistributions in binary form must reproduce the above copyright
13: * notice, this list of conditions and the following disclaimer in the
14: * documentation and/or other materials provided with the distribution.
15: *
16: * 3. The name of the author may not be used to endorse or promote products
17: * derived from this software without specific prior written permission.
18: *
19: * 4. Products derived from this software may not be called "Sudo" nor
20: * may "Sudo" appear in their names without specific prior written
21: * permission from the author.
22: *
23: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
24: * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
25: * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
26: * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
27: * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
28: * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
29: * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
30: * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
31: * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
32: * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33: *
1.4 millert 34: * $Sudo: sudo.h,v 1.172 2000/03/07 04:29:46 millert Exp $
1.1 millert 35: */
36:
37: #ifndef _SUDO_SUDO_H
38: #define _SUDO_SUDO_H
39:
40: #include <pathnames.h>
41: #include "compat.h"
42: #include "defaults.h"
43: #include "logging.h"
44:
45: /*
46: * Info pertaining to the invoking user.
47: */
48: struct sudo_user {
49: struct passwd *pw;
50: char *tty;
51: char cwd[MAXPATHLEN];
52: char *host;
53: char *shost;
54: char **runas;
55: char *prompt;
56: char *cmnd_safe;
57: char *cmnd;
58: char *cmnd_args;
1.4 millert 59: char *class_name;
1.1 millert 60: };
61:
62: /*
63: * Return values for sudoers_lookup(), also used as arguments for log_auth()
64: * Note: cannot use '0' as a value here.
65: */
66: /* XXX - VALIDATE_SUCCESS and VALIDATE_FAILURE instead? */
67: #define VALIDATE_ERROR 0x01
68: #define VALIDATE_OK 0x02
69: #define VALIDATE_NOT_OK 0x04
70: #define FLAG_NOPASS 0x10
71: #define FLAG_NO_USER 0x20
72: #define FLAG_NO_HOST 0x40
73: #define FLAG_NO_CHECK 0x80
74:
75: /*
76: * Boolean values
77: */
78: #undef TRUE
79: #define TRUE 1
80: #undef FALSE
81: #define FALSE 0
82:
83: /*
84: * find_path()/load_cmnd() return values
85: */
86: #define FOUND 1
87: #define NOT_FOUND 0
88: #define NOT_FOUND_DOT -1
89:
90: /*
91: * Various modes sudo can be in (based on arguments) in octal
92: */
93: #define MODE_RUN 00001
94: #define MODE_VALIDATE 00002
95: #define MODE_INVALIDATE 00004
96: #define MODE_KILL 00010
97: #define MODE_VERSION 00020
98: #define MODE_HELP 00040
99: #define MODE_LIST 00100
100: #define MODE_LISTDEFS 00200
101: #define MODE_BACKGROUND 00400
102: #define MODE_SHELL 01000
1.3 millert 103: #define MODE_IMPLIED_SHELL 02000
104: #define MODE_RESET_HOME 04000
1.1 millert 105:
106: /*
107: * Used with set_perms()
108: */
109: #define PERM_ROOT 0x00
110: #define PERM_USER 0x01
111: #define PERM_FULL_USER 0x02
112: #define PERM_SUDOERS 0x03
113: #define PERM_RUNAS 0x04
114:
115: /*
116: * Shortcuts for sudo_user contents.
117: */
118: #define user_name (sudo_user.pw->pw_name)
119: #define user_passwd (sudo_user.pw->pw_passwd)
120: #define user_uid (sudo_user.pw->pw_uid)
121: #define user_gid (sudo_user.pw->pw_gid)
122: #define user_shell (sudo_user.pw->pw_shell)
123: #define user_dir (sudo_user.pw->pw_dir)
124: #define user_tty (sudo_user.tty)
125: #define user_cwd (sudo_user.cwd)
126: #define user_runas (sudo_user.runas)
127: #define user_cmnd (sudo_user.cmnd)
128: #define user_args (sudo_user.cmnd_args)
129: #define user_prompt (sudo_user.prompt)
130: #define user_host (sudo_user.host)
131: #define user_shost (sudo_user.shost)
132: #define safe_cmnd (sudo_user.cmnd_safe)
1.4 millert 133: #define login_class (sudo_user.class_name)
1.1 millert 134:
135: /*
136: * We used to use the system definition of PASS_MAX or _PASSWD_LEN,
137: * but that caused problems with various alternate authentication
138: * methods. So, we just define our own and assume that it is >= the
139: * system max.
140: */
141: #define SUDO_PASS_MAX 256
142:
143: /*
144: * Flags for lock_file()
145: */
146: #define SUDO_LOCK 1 /* lock a file */
147: #define SUDO_TLOCK 2 /* test & lock a file (non-blocking) */
148: #define SUDO_UNLOCK 4 /* unlock a file */
1.3 millert 149:
150: /*
151: * Flags for sudoers_lookup:
152: * PASSWD_NEVER: user never has to give a passwd
153: * PASSWD_ALL: no passwd needed if all entries for host have NOPASSWD flag
154: * PASSWD_ANY: no passwd needed if any entry for host has a NOPASSWD flag
155: * PASSWD_ALWAYS: passwd always needed
156: */
157: #define PWCHECK_NEVER 0x01
158: #define PWCHECK_ALL 0x02
159: #define PWCHECK_ANY 0x04
160: #define PWCHECK_ALWAYS 0x08
1.1 millert 161:
162: /*
1.4 millert 163: * Flags for tgetpass()
164: */
165: #define TGP_ECHO 0x01 /* leave echo on when reading passwd */
166: #define TGP_STDIN 0x02 /* read from stdin, not /dev/tty */
167:
168: /*
1.1 millert 169: * Function prototypes
170: */
171: #define YY_DECL int yylex __P((void))
172:
173: #ifndef HAVE_GETCWD
174: char *getcwd __P((char *, size_t size));
175: #endif
176: #if !defined(HAVE_PUTENV) && !defined(HAVE_SETENV)
177: int putenv __P((const char *));
178: #endif
179: #ifndef HAVE_SNPRINTF
180: int snprintf __P((char *, size_t, const char *, ...));
181: #endif
182: #ifndef HAVE_VSNPRINTF
183: int vsnprintf __P((char *, size_t, const char *, va_list));
184: #endif
185: #ifndef HAVE_ASPRINTF
186: int asprintf __P((char **, const char *, ...));
187: #endif
188: #ifndef HAVE_VASPRINTF
189: int vasprintf __P((char **, const char *, va_list));
190: #endif
191: #ifndef HAVE_STRCASECMP
192: int strcasecmp __P((const char *, const char *));
193: #endif
194: char *sudo_goodpath __P((const char *));
195: int sudo_setenv __P((char *, char *));
196: char *tgetpass __P((const char *, int, int));
197: int find_path __P((char *, char **));
198: void check_user __P((void));
1.5 ! millert 199: void verify_user __P((struct passwd *, char *));
1.1 millert 200: int sudoers_lookup __P((int));
201: void set_perms __P((int, int));
202: void remove_timestamp __P((int));
203: int check_secureware __P((char *));
204: void sia_attempt_auth __P((void));
205: void pam_attempt_auth __P((void));
206: int yyparse __P((void));
207: void pass_warn __P((FILE *));
208: VOID *emalloc __P((size_t));
209: VOID *erealloc __P((VOID *, size_t));
210: char *estrdup __P((const char *));
1.5 ! millert 211: int easprintf __P((char **, const char *, ...));
! 212: int evasprintf __P((char **, const char *, va_list));
1.1 millert 213: void dump_defaults __P((void));
214: void dump_auth_methods __P((void));
215: int lock_file __P((int, int));
216: int touch __P((char *, time_t));
1.4 millert 217: int user_is_exempt __P((void));
1.2 millert 218: void set_fqdn __P((void));
1.4 millert 219: char *sudo_getepw __P((struct passwd *));
1.1 millert 220: YY_DECL;
221:
222: /* Only provide extern declarations outside of sudo.c. */
223: #ifndef _SUDO_SUDO_C
224: extern struct sudo_user sudo_user;
1.5 ! millert 225: extern struct passwd *auth_pw;
1.1 millert 226:
227: extern int Argc;
228: extern char **Argv;
229: extern FILE *sudoers_fp;
1.4 millert 230: extern int tgetpass_flags;
1.1 millert 231: #endif
232: extern int errno;
233:
234: #endif /* _SUDO_SUDO_H */
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