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9c8379f84cddb5e791c20dfbde0a8b2d6443d21c
sudo/sudo.h
Todd C. Miller 9c8379f84c no longer define yyval & yylval since yacc does it
1994-03-12 22:42:32 +00:00

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8.1 KiB
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/*
* CU sudo version 1.3.1 (based on Root Group sudo version 1.1)
*
* This software comes with no waranty whatsoever, use at your own risk.
*
* Please send bugs, changes, problems to sudo-bugs.cs.colorado.edu
*
*/
/*
* sudo version 1.1 allows users to execute commands as root
* Copyright (C) 1991 The Root Group, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 1, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "pathnames.h"
/* Configurable OPTIONS--these can be overridden from the Makefile */
/*
* Define FQDN if you have fully qualified hostnames in your SUDOERS file
*/
#ifndef FQDN
# undef FQDN
#endif
/*
* Define SYSLOG if you want to use syslog(3) instead of a log file.
* (This is a nice feature. You can collect all your sudo logs at
* a single host.)
*/
#ifndef SYSLOG
# define SYSLOG
#endif
/*
* If you define NO_ROOT_SUDO, sudo will exit if called by root.
*/
#ifndef NO_ROOT_SUDO
# undef NO_ROOT_SUDO
#endif
/*
* Define SEND_MAIL_WHEN_NO_USER if you want a message sent to ALERTMAIL
* when the user is not in the SUDOERS file. (This is generally the case.)
*/
#ifndef SEND_MAIL_WHEN_NO_USER
# define SEND_MAIL_WHEN_NO_USER
#endif
/*
* Define SEND_MAIL_WHEN_NOT_OK if you want a message sent to ALERTMAIL
* when the user is in the SUDOERS but does not have permission to execute
* the command entered. (This can be used at paranoid sites.)
*/
#ifndef SEND_MAIL_WHEN_NOT_OK
# undef SEND_MAIL_WHEN_NOT_OK
#endif
/*
* Define ENV_EDITOR if you want the EDITOR and VISUAL envariables to
* be consulted by visudo(8).
*/
#ifndef ENV_EDITOR
# undef ENV_EDITOR
#endif
/*
* Define SHORT_MESSAGE if you don't want the full copyright message
* along with the "we expect you have..." banner.
*/
#ifndef SHORT_MESSAGE
# undef SHORT_MESSAGE
#endif
/*
* Define USE_INSULTS if you want to be insulted for typing an
* incorrect password just like the original sudo(8).
*/
#ifndef USE_INSULTS
# undef USE_INSULTS
#endif
/*
* Define HAL if you want lines from 2001 instead of insults.
* (Note: you must define USE_INSULTS too.)
*/
#ifndef HAL
# undef HAL
#endif
/*
* Define USE_EXECV if you want to use execv() instead of execvp().
*/
#ifndef USE_EXECV
# undef USE_EXECV
#endif
/*
* Number of minutes that can elapse before sudo will ask for a passwd again
*/
#ifndef TIMEOUT
# define TIMEOUT 5
#endif
/*
* Number of times sudo will let you guess are you password before screaming
*/
#ifndef TRIES_FOR_PASSWORD
# define TRIES_FOR_PASSWORD 3
#endif
/*
* Message that is displayed if you incorrectly enter your password
*/
#ifndef INCORRECT_PASSWORD
# define INCORRECT_PASSWORD "Sorry, try again."
#endif
/*
* If the MAILER macro is changed make sure it will work in logging.c,
* there is some sendmail mail specific stuff in the send_mail() routine
* ( e.g. the argv for the execvp() ). MAILER should ALWAYS be fully
* quallified. (_PATH_SENDMAIL defined in pathanmes.h)
*/
#ifndef MAILER
# define MAILER _PATH_SENDMAIL
#endif
/*
* Subject of the mail sent to ALERTMAIL
*/
#ifndef MAILSUBJECT
# define MAILSUBJECT "*** SECURITY information ***"
#endif
/*
* Recipient of mail from sudo
*/
#ifndef ALERTMAIL
# define ALERTMAIL "root"
#endif
/*
* Location of the editor
*/
#ifndef EDITOR
# define EDITOR _PATH_VI
#endif
/*
* Uncomment to hardcode the PATH envariable in sudo
*/
/*#define SECURE_PATH "/bin:/usr/ucb:/usr/bin:/usr/etc:/etc" /**/
/*
* Umask that sudo should use, change the "#define" to an "#undef"
* to preserve the umask of the caller.
*/
#ifndef UMASK
# define UMASK 022
#endif /* UMASK */
/********** You probably don't want to modify anything below here ***********/
/* Max length for a command */
#define MAXCOMMANDLENGTH MAXPATHLEN
#ifndef MAXHOSTNAMELEN
# define MAXHOSTNAMELEN 64
#endif
typedef union {
int int_val;
char char_val[MAXCOMMANDLENGTH];
} YYSTYPE;
typedef struct list {
int type;
char op;
char *data;
struct list *next;
} LIST, *LINK;
/*
* Syslog(3) parameters
*/
#ifdef SYSLOG
# include <syslog.h>
# ifndef Syslog_ident
# define Syslog_ident "sudo"
# endif
# ifndef Syslog_options
# define Syslog_options 0
# endif
# ifndef Syslog_facility
# define Syslog_facility LOG_LOCAL2
# endif
# ifndef Syslog_priority_OK
# define Syslog_priority_OK LOG_NOTICE
# endif
# ifndef Syslog_priority_NO
# define Syslog_priority_NO LOG_ALERT
# endif
# undef _PATH_SUDO_LOGFILE
#endif /* SYSLOG */
/*
* Maximum number of characters to log per entry. The syslogger
* will log this much, after that, it truncates the log line.
* We need this here to make sure that we continue with another
* syslog(3) call if the internal buffer is moe than 1023 characters.
*/
#ifndef MAXSYSLOGLEN
# define MAXSYSLOGLEN 960
#endif
/*
* Maximum number of characters to log per entry.
* This is the largest possible line length (worst case)
*/
#ifndef MAXLOGLEN
# ifndef ARG_MAX
# ifdef NCARGS
# define ARG_MAX NCARGS
# else
# ifdef _POSIX_ARG_MAX
# define ARG_MAX _POSIX_ARG_MAX
# else
# define ARG_MAX 4096
# endif
# endif
# endif
# define MAXLOGLEN (49 + MAXPATHLEN + MAXPATHLEN + ARG_MAX)
#endif
/*
* Maximum number of characters per physical log file line.
* This is only used if you are logging to a file. It basically
* just means "wrap lines after MAXLOGFILELEN characters."
* Word wrapping is done where possible. If you don't want word
* wrap, set this to be MAXLOGLEN.
*/
#ifndef MAXLOGFILELEN
# define MAXLOGFILELEN 80
#endif
#define VALIDATE_OK 0x00
#define VALIDATE_NO_USER 0x01
#define VALIDATE_NOT_OK 0x02
#define VALIDATE_ERROR -1
/*
* the arguments passed to log_error() are ANDed with GLOBAL_PROBLEM
* If the result is TRUE, the argv is NOT logged with the error message
*/
#define GLOBAL_PROBLEM 0x20
#define GLOBAL_NO_PW_ENT ( 0x01 | GLOBAL_PROBLEM )
#define GLOBAL_NO_HOSTNAME ( 0x02 | GLOBAL_PROBLEM )
#define GLOBAL_HOST_UNREGISTERED ( 0x03 | GLOBAL_PROBLEM )
#define PASSWORD_NOT_CORRECT 0x04
#define ALL_SYSTEMS_GO 0x00
#define NO_SUDOERS_FILE ( 0x05 | GLOBAL_PROBLEM )
#undef TRUE
#define TRUE 0x01
#undef FALSE
#define FALSE 0x00
#define TYPE1 0x11
#define TYPE2 0x12
#define TYPE3 0x13
#define FOUND_USER 0x14
#define NOT_FOUND_USER 0x15
#define MATCH 0x16
#define NO_MATCH 0x17
#define QUIT_NOW 0x18
#define PARSE_ERROR 0x19
#define USER_LIST 0x00
#define HOST_LIST 0x01
#define CMND_LIST 0x02
#define EXTRA_LIST 0x03
/* These are the functions that are called in sudo */
/* XXX - use __P() */
#ifndef HAVE_STRDUP
char *strdup();
#endif
char *find_path();
void log_error();
void inform_user();
void check_user();
int validate();
void be_root();
void be_user();
void be_full_user();
/*
* Most of these variables are declared in main() so they don't need
* to be extern'ed here if this is main...
*/
#ifndef MAIN
extern uid_t uid;
extern char *host;
extern char *user;
extern char *cmnd;
extern int Argc;
extern char **Argv;
#endif
extern int errno;
extern char ** environ;
/*
* Emulate getdtablesize() and seteuid() for HP-UX
*/
#ifdef hpux
# define getdtablesize() (sysconf(_SC_OPEN_MAX))
# define seteuid(__EUID) (setresuid((uid_t)-1, __EUID, (uid_t)-1))
#endif /* hpux */
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