/*
- * Copyright (c) 1993-1996,1998-2004 Todd C. Miller <Todd.Miller@courtesan.com>
+ * Copyright (c) 1993-1996, 1998-2005, 2007-2009
+ * Todd C. Miller <Todd.Miller@courtesan.com>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* Sponsored in part by the Defense Advanced Research Projects
* Agency (DARPA) and Air Force Research Laboratory, Air Force
* Materiel Command, USAF, under agreement number F39502-99-1-0512.
- *
- * $Sudo: sudo.h,v 1.213 2004/09/08 15:48:23 millert Exp $
*/
#ifndef _SUDO_SUDO_H
#include <limits.h>
#include "compat.h"
#include "defaults.h"
+#include "error.h"
+#include "list.h"
#include "logging.h"
+#include "sudo_nss.h"
/*
* Info pertaining to the invoking user.
struct sudo_user {
struct passwd *pw;
struct passwd *_runas_pw;
+ struct group *_runas_gr;
struct stat *cmnd_stat;
char *path;
char *shell;
char *tty;
- char cwd[PATH_MAX];
+ char *ttypath;
char *host;
char *shost;
- char **runas;
char *prompt;
char *cmnd;
char *cmnd_args;
char *cmnd_base;
char *cmnd_safe;
char *class_name;
+ char *krb5_ccname;
+ char *display;
+ char *askpass;
+ int ngroups;
+ GETGROUPS_T *groups;
+ struct list_member *env_vars;
+#ifdef HAVE_SELINUX
+ char *role;
+ char *type;
+#endif
+ char cwd[PATH_MAX];
};
/*
#define VALIDATE_OK 0x002
#define VALIDATE_NOT_OK 0x004
#define FLAG_CHECK_USER 0x010
-#define FLAG_NOPASS 0x020
-#define FLAG_NO_USER 0x040
-#define FLAG_NO_HOST 0x080
-#define FLAG_NO_CHECK 0x100
-#define FLAG_NOEXEC 0x200
+#define FLAG_NO_USER 0x020
+#define FLAG_NO_HOST 0x040
+#define FLAG_NO_CHECK 0x080
/*
* Pseudo-boolean values
#define TRUE 1
#undef FALSE
#define FALSE 0
-#undef NOMATCH
-#define NOMATCH -1
-#undef UNSPEC
-#define UNSPEC -2
/*
* find_path()/load_cmnd() return values
#define NOT_FOUND_DOT -1
/*
- * Various modes sudo can be in (based on arguments) in octal
+ * Various modes sudo can be in (based on arguments) in hex
*/
-#define MODE_RUN 000001
-#define MODE_VALIDATE 000002
-#define MODE_INVALIDATE 000004
-#define MODE_KILL 000010
-#define MODE_VERSION 000020
-#define MODE_HELP 000040
-#define MODE_LIST 000100
-#define MODE_LISTDEFS 000200
-#define MODE_BACKGROUND 000400
-#define MODE_SHELL 001000
-#define MODE_LOGIN_SHELL 002000
-#define MODE_IMPLIED_SHELL 004000
-#define MODE_RESET_HOME 010000
-#define MODE_PRESERVE_GROUPS 020000
-#define MODE_EDIT 040000
+#define MODE_RUN 0x00000001
+#define MODE_EDIT 0x00000002
+#define MODE_VALIDATE 0x00000004
+#define MODE_INVALIDATE 0x00000008
+#define MODE_KILL 0x00000010
+#define MODE_VERSION 0x00000020
+#define MODE_HELP 0x00000040
+#define MODE_LIST 0x00000080
+#define MODE_CHECK 0x00000100
+#define MODE_LISTDEFS 0x00000200
+#define MODE_MASK 0x0000ffff
+
+/* Mode flags */
+#define MODE_BACKGROUND 0x00010000
+#define MODE_SHELL 0x00020000
+#define MODE_LOGIN_SHELL 0x00040000
+#define MODE_IMPLIED_SHELL 0x00080000
+#define MODE_RESET_HOME 0x00100000
+#define MODE_PRESERVE_GROUPS 0x00200000
+#define MODE_PRESERVE_ENV 0x00400000
+#define MODE_NONINTERACTIVE 0x00800000
/*
* Used with set_perms()
*/
#define PERM_ROOT 0x00
-#define PERM_FULL_ROOT 0x01
-#define PERM_USER 0x02
-#define PERM_FULL_USER 0x03
-#define PERM_SUDOERS 0x04
-#define PERM_RUNAS 0x05
-#define PERM_FULL_RUNAS 0x06
-#define PERM_TIMESTAMP 0x07
+#define PERM_USER 0x01
+#define PERM_FULL_USER 0x02
+#define PERM_SUDOERS 0x03
+#define PERM_RUNAS 0x04
+#define PERM_FULL_RUNAS 0x05
+#define PERM_TIMESTAMP 0x06
+#define PERM_NOEXIT 0x10 /* flag */
+#define PERM_MASK 0xf0
/*
* Shortcuts for sudo_user contents.
#define user_gid (sudo_user.pw->pw_gid)
#define user_dir (sudo_user.pw->pw_dir)
#define user_shell (sudo_user.shell)
+#define user_ngroups (sudo_user.ngroups)
+#define user_groups (sudo_user.groups)
#define user_tty (sudo_user.tty)
+#define user_ttypath (sudo_user.ttypath)
#define user_cwd (sudo_user.cwd)
-#define user_runas (sudo_user.runas)
#define user_cmnd (sudo_user.cmnd)
#define user_args (sudo_user.cmnd_args)
#define user_base (sudo_user.cmnd_base)
#define user_prompt (sudo_user.prompt)
#define user_host (sudo_user.host)
#define user_shost (sudo_user.shost)
+#define user_ccname (sudo_user.krb5_ccname)
+#define user_display (sudo_user.display)
+#define user_askpass (sudo_user.askpass)
#define safe_cmnd (sudo_user.cmnd_safe)
#define login_class (sudo_user.class_name)
#define runas_pw (sudo_user._runas_pw)
+#define runas_gr (sudo_user._runas_gr)
+#define user_role (sudo_user.role)
+#define user_type (sudo_user.type)
/*
* We used to use the system definition of PASS_MAX or _PASSWD_LEN,
*/
#define TGP_ECHO 0x01 /* leave echo on when reading passwd */
#define TGP_STDIN 0x02 /* read from stdin, not /dev/tty */
+#define TGP_ASKPASS 0x04 /* read from askpass helper program */
+struct lbuf;
struct passwd;
struct timespec;
struct timeval;
int futimes __P((int, const struct timeval *));
#endif
#ifndef HAVE_SNPRINTF
-int snprintf __P((char *, size_t, const char *, ...));
+int snprintf __P((char *, size_t, const char *, ...))
+ __printflike(3, 4);
#endif
#ifndef HAVE_VSNPRINTF
-int vsnprintf __P((char *, size_t, const char *, va_list));
+int vsnprintf __P((char *, size_t, const char *, va_list))
+ __printflike(3, 0);
#endif
#ifndef HAVE_ASPRINTF
-int asprintf __P((char **, const char *, ...));
+int asprintf __P((char **, const char *, ...))
+ __printflike(2, 3);
#endif
#ifndef HAVE_VASPRINTF
-int vasprintf __P((char **, const char *, va_list));
+int vasprintf __P((char **, const char *, va_list))
+ __printflike(2, 0);
#endif
#ifndef HAVE_STRCASECMP
int strcasecmp __P((const char *, const char *));
#ifndef HAVE_STRLCPY
size_t strlcpy __P((char *, const char *, size_t));
#endif
+#ifndef HAVE_MEMRCHR
+void *memrchr __P((const void *, int, size_t));
+#endif
+#ifndef HAVE_MKSTEMP
+int mkstemp __P((char *));
+#endif
+#ifndef HAVE_SETENV
+int setenv __P((const char *, const char *, int));
+#endif
+#ifndef HAVE_UNSETENV
+int unsetenv __P((const char *));
+#endif
char *sudo_goodpath __P((const char *, struct stat *));
char *tgetpass __P((const char *, int, int));
int find_path __P((char *, char **, struct stat *, char *));
-void check_user __P((int));
+int tty_present __P((void));
+void check_user __P((int, int));
void verify_user __P((struct passwd *, char *));
-int sudoers_lookup __P((int));
#ifdef HAVE_LDAP
-int sudo_ldap_check __P((int));
-void sudo_ldap_list_matches __P((void));
+int sudo_ldap_open __P((struct sudo_nss *));
+int sudo_ldap_close __P((struct sudo_nss *));
+int sudo_ldap_setdefs __P((struct sudo_nss *));
+int sudo_ldap_lookup __P((struct sudo_nss *, int, int));
+int sudo_ldap_parse __P((struct sudo_nss *));
+int sudo_ldap_display_cmnd __P((struct sudo_nss *, struct passwd *));
+int sudo_ldap_display_defaults __P((struct sudo_nss *, struct passwd *, struct lbuf *));
+int sudo_ldap_display_bound_defaults __P((struct sudo_nss *, struct passwd *, struct lbuf *));
+int sudo_ldap_display_privs __P((struct sudo_nss *, struct passwd *, struct lbuf *));
#endif
-void set_perms_nosuid __P((int));
-void set_perms_posix __P((int));
-void set_perms_suid __P((int));
+int sudo_file_open __P((struct sudo_nss *));
+int sudo_file_close __P((struct sudo_nss *));
+int sudo_file_setdefs __P((struct sudo_nss *));
+int sudo_file_lookup __P((struct sudo_nss *, int, int));
+int sudo_file_parse __P((struct sudo_nss *));
+int sudo_file_display_cmnd __P((struct sudo_nss *, struct passwd *));
+int sudo_file_display_defaults __P((struct sudo_nss *, struct passwd *, struct lbuf *));
+int sudo_file_display_bound_defaults __P((struct sudo_nss *, struct passwd *, struct lbuf *));
+int sudo_file_display_privs __P((struct sudo_nss *, struct passwd *, struct lbuf *));
+int set_perms __P((int));
void remove_timestamp __P((int));
int check_secureware __P((char *));
void sia_attempt_auth __P((void));
void pam_attempt_auth __P((void));
int yyparse __P((void));
void pass_warn __P((FILE *));
-VOID *emalloc __P((size_t));
-VOID *emalloc2 __P((size_t, size_t));
-VOID *erealloc __P((VOID *, size_t));
-VOID *erealloc3 __P((VOID *, size_t, size_t));
+void *emalloc __P((size_t));
+void *emalloc2 __P((size_t, size_t));
+void *erealloc __P((void *, size_t));
+void *erealloc3 __P((void *, size_t, size_t));
char *estrdup __P((const char *));
-int easprintf __P((char **, const char *, ...));
-int evasprintf __P((char **, const char *, va_list));
+int easprintf __P((char **, const char *, ...))
+ __printflike(2, 3);
+int evasprintf __P((char **, const char *, va_list))
+ __printflike(2, 0);
+void efree __P((void *));
void dump_defaults __P((void));
void dump_auth_methods __P((void));
void init_envtables __P((void));
+void read_env_file __P((const char *, int));
int lock_file __P((int, int));
int touch __P((int, char *, struct timespec *));
int user_is_exempt __P((void));
void set_fqdn __P((void));
-int set_runaspw __P((char *));
char *sudo_getepw __P((const struct passwd *));
int pam_prep_user __P((struct passwd *));
-void zero_bytes __P((volatile VOID *, size_t));
+void zero_bytes __P((volatile void *, size_t));
int gettime __P((struct timespec *));
+FILE *open_sudoers __P((const char *, int, int *));
+void display_privs __P((struct sudo_nss_list *, struct passwd *));
+int display_cmnd __P((struct sudo_nss_list *, struct passwd *));
+int get_ttycols __P((void));
+char *sudo_parseln __P((FILE *));
+void sudo_setgrent __P((void));
+void sudo_endgrent __P((void));
+void sudo_setpwent __P((void));
+void sudo_endpwent __P((void));
+void sudo_setspent __P((void));
+void sudo_endspent __P((void));
+void cleanup __P((int));
+struct passwd *sudo_getpwnam __P((const char *));
+struct passwd *sudo_fakepwnam __P((const char *, gid_t));
+struct passwd *sudo_getpwuid __P((uid_t));
+struct group *sudo_getgrnam __P((const char *));
+struct group *sudo_fakegrnam __P((const char *));
+struct group *sudo_getgrgid __P((gid_t));
+#ifdef HAVE_SELINUX
+void selinux_exec __P((char *, char *, char **, int));
+#endif
+#ifdef HAVE_GETUSERATTR
+void aix_setlimits __P((char *));
+#endif
YY_DECL;
/* Only provide extern declarations outside of sudo.c. */
#ifndef _SUDO_MAIN
extern struct sudo_user sudo_user;
-extern struct passwd *auth_pw;
+extern struct passwd *auth_pw, *list_pw;
-extern FILE *sudoers_fp;
extern int tgetpass_flags;
+extern int long_list;
extern uid_t timestamp_uid;
-
-extern void (*set_perms) __P((int));
#endif
#ifndef errno
extern int errno;