Annotation of src/usr.bin/sudo/sudo.h, Revision 1.1
1.1 ! millert 1: /*
! 2: * Copyright (c) 1994-1996,1998-1999 Todd C. Miller <Todd.Miller@courtesan.com>
! 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: *
! 34: * $Sudo: sudo.h,v 1.163 1999/09/08 08:06:17 millert Exp $
! 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;
! 59: };
! 60:
! 61: /*
! 62: * Return values for sudoers_lookup(), also used as arguments for log_auth()
! 63: * Note: cannot use '0' as a value here.
! 64: */
! 65: /* XXX - VALIDATE_SUCCESS and VALIDATE_FAILURE instead? */
! 66: #define VALIDATE_ERROR 0x01
! 67: #define VALIDATE_OK 0x02
! 68: #define VALIDATE_NOT_OK 0x04
! 69: #define FLAG_NOPASS 0x10
! 70: #define FLAG_NO_USER 0x20
! 71: #define FLAG_NO_HOST 0x40
! 72: #define FLAG_NO_CHECK 0x80
! 73:
! 74: /*
! 75: * Boolean values
! 76: */
! 77: #undef TRUE
! 78: #define TRUE 1
! 79: #undef FALSE
! 80: #define FALSE 0
! 81:
! 82: /*
! 83: * find_path()/load_cmnd() return values
! 84: */
! 85: #define FOUND 1
! 86: #define NOT_FOUND 0
! 87: #define NOT_FOUND_DOT -1
! 88:
! 89: /*
! 90: * Various modes sudo can be in (based on arguments) in octal
! 91: */
! 92: #define MODE_RUN 00001
! 93: #define MODE_VALIDATE 00002
! 94: #define MODE_INVALIDATE 00004
! 95: #define MODE_KILL 00010
! 96: #define MODE_VERSION 00020
! 97: #define MODE_HELP 00040
! 98: #define MODE_LIST 00100
! 99: #define MODE_LISTDEFS 00200
! 100: #define MODE_BACKGROUND 00400
! 101: #define MODE_SHELL 01000
! 102: #define MODE_RESET_HOME 02000
! 103:
! 104: /*
! 105: * Used with set_perms()
! 106: */
! 107: #define PERM_ROOT 0x00
! 108: #define PERM_USER 0x01
! 109: #define PERM_FULL_USER 0x02
! 110: #define PERM_SUDOERS 0x03
! 111: #define PERM_RUNAS 0x04
! 112:
! 113: /*
! 114: * Shortcuts for sudo_user contents.
! 115: */
! 116: #define user_name (sudo_user.pw->pw_name)
! 117: #define user_passwd (sudo_user.pw->pw_passwd)
! 118: #define user_uid (sudo_user.pw->pw_uid)
! 119: #define user_gid (sudo_user.pw->pw_gid)
! 120: #define user_shell (sudo_user.pw->pw_shell)
! 121: #define user_dir (sudo_user.pw->pw_dir)
! 122: #define user_tty (sudo_user.tty)
! 123: #define user_cwd (sudo_user.cwd)
! 124: #define user_runas (sudo_user.runas)
! 125: #define user_cmnd (sudo_user.cmnd)
! 126: #define user_args (sudo_user.cmnd_args)
! 127: #define user_prompt (sudo_user.prompt)
! 128: #define user_host (sudo_user.host)
! 129: #define user_shost (sudo_user.shost)
! 130: #define safe_cmnd (sudo_user.cmnd_safe)
! 131:
! 132: /*
! 133: * We used to use the system definition of PASS_MAX or _PASSWD_LEN,
! 134: * but that caused problems with various alternate authentication
! 135: * methods. So, we just define our own and assume that it is >= the
! 136: * system max.
! 137: */
! 138: #define SUDO_PASS_MAX 256
! 139:
! 140: /*
! 141: * Flags for lock_file()
! 142: */
! 143: #define SUDO_LOCK 1 /* lock a file */
! 144: #define SUDO_TLOCK 2 /* test & lock a file (non-blocking) */
! 145: #define SUDO_UNLOCK 4 /* unlock a file */
! 146:
! 147: /*
! 148: * Function prototypes
! 149: */
! 150: #define YY_DECL int yylex __P((void))
! 151:
! 152: #ifndef HAVE_GETCWD
! 153: char *getcwd __P((char *, size_t size));
! 154: #endif
! 155: #if !defined(HAVE_PUTENV) && !defined(HAVE_SETENV)
! 156: int putenv __P((const char *));
! 157: #endif
! 158: #ifndef HAVE_SNPRINTF
! 159: int snprintf __P((char *, size_t, const char *, ...));
! 160: #endif
! 161: #ifndef HAVE_VSNPRINTF
! 162: int vsnprintf __P((char *, size_t, const char *, va_list));
! 163: #endif
! 164: #ifndef HAVE_ASPRINTF
! 165: int asprintf __P((char **, const char *, ...));
! 166: #endif
! 167: #ifndef HAVE_VASPRINTF
! 168: int vasprintf __P((char **, const char *, va_list));
! 169: #endif
! 170: #ifndef HAVE_STRCASECMP
! 171: int strcasecmp __P((const char *, const char *));
! 172: #endif
! 173: char *sudo_goodpath __P((const char *));
! 174: int sudo_setenv __P((char *, char *));
! 175: char *tgetpass __P((const char *, int, int));
! 176: int find_path __P((char *, char **));
! 177: void check_user __P((void));
! 178: void verify_user __P((char *));
! 179: int sudoers_lookup __P((int));
! 180: void set_perms __P((int, int));
! 181: void remove_timestamp __P((int));
! 182: int check_secureware __P((char *));
! 183: void sia_attempt_auth __P((void));
! 184: void pam_attempt_auth __P((void));
! 185: int yyparse __P((void));
! 186: void pass_warn __P((FILE *));
! 187: VOID *emalloc __P((size_t));
! 188: VOID *erealloc __P((VOID *, size_t));
! 189: char *estrdup __P((const char *));
! 190: void easprintf __P((char **, const char *, ...));
! 191: void evasprintf __P((char **, const char *, va_list));
! 192: void dump_defaults __P((void));
! 193: void dump_auth_methods __P((void));
! 194: int lock_file __P((int, int));
! 195: int touch __P((char *, time_t));
! 196: YY_DECL;
! 197:
! 198: /* Only provide extern declarations outside of sudo.c. */
! 199: #ifndef _SUDO_SUDO_C
! 200: extern struct sudo_user sudo_user;
! 201:
! 202: extern int Argc;
! 203: extern char **Argv;
! 204: extern FILE *sudoers_fp;
! 205: #endif
! 206: extern int errno;
! 207:
! 208: #endif /* _SUDO_SUDO_H */
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