/*
- * Copyright (c) 1993-1996,1998-2007 Todd C. Miller <Todd.Miller@courtesan.com>
+ * Copyright (c) 1993-1996, 1998-2005, 2007-2010
+ * 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 1.209.2.13 2007/11/27 23:41:23 millert Exp $
*/
#ifndef _SUDO_SUDO_H
#include <pathnames.h>
#include <limits.h>
#include "compat.h"
+#include "alloc.h"
#include "defaults.h"
+#include "error.h"
+#include "list.h"
#include "logging.h"
+#include "missing.h"
+#include "sudo_nss.h"
+
+#ifdef HAVE_MBR_CHECK_MEMBERSHIP
+# include <membership.h>
+#endif
/*
* 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 *ttypath;
- char cwd[PATH_MAX];
char *host;
char *shost;
- char **runas;
char *prompt;
char *cmnd;
char *cmnd_args;
char *cmnd_base;
char *cmnd_safe;
char *class_name;
- int ngroups;
+ 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];
+ char sessid[7];
+#ifdef HAVE_MBR_CHECK_MEMBERSHIP
+ uuid_t uuid;
+#endif
+};
+
+/* Status passed between parent and child via socketpair */
+struct command_status {
+#define CMD_INVALID 0
+#define CMD_ERRNO 1
+#define CMD_WSTATUS 2
+#define CMD_SIGNO 3
+ int type;
+ int val;
};
/*
#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_SETENV 0x400
+#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 IMPLIED
-#define IMPLIED 2
-#undef NOMATCH
-#define NOMATCH -1
-#undef UNSPEC
-#define UNSPEC -2
/*
* find_path()/load_cmnd() return values
/*
* Various modes sudo can be in (based on arguments) in hex
*/
-#define MODE_RUN 0x0001
-#define MODE_EDIT 0x0002
-#define MODE_VALIDATE 0x0004
-#define MODE_INVALIDATE 0x0008
-#define MODE_KILL 0x0010
-#define MODE_VERSION 0x0020
-#define MODE_HELP 0x0040
-#define MODE_LIST 0x0080
-#define MODE_LISTDEFS 0x0100
-#define MODE_BACKGROUND 0x0200
-#define MODE_SHELL 0x0400
-#define MODE_LOGIN_SHELL 0x0800
-#define MODE_IMPLIED_SHELL 0x1000
-#define MODE_RESET_HOME 0x2000
-#define MODE_PRESERVE_GROUPS 0x4000
-#define MODE_PRESERVE_ENV 0x8000
+#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_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_name (sudo_user.pw->pw_name)
#define user_passwd (sudo_user.pw->pw_passwd)
#define user_uid (sudo_user.pw->pw_uid)
+#define user_uuid (sudo_user.uuid)
#define user_gid (sudo_user.pw->pw_gid)
#define user_dir (sudo_user.pw->pw_dir)
#define user_shell (sudo_user.shell)
#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 stat;
struct timeval;
-/*
- * Function prototypes
- */
-#define YY_DECL int yylex __P((void))
+/* aix.c */
+void aix_prep_user __P((char *, char *));
+void aix_setauthdb __P((char *user));
+void aix_restoreauthdb __P((void));
-#ifndef HAVE_CLOSEFROM
-void closefrom __P((int));
-#endif
-#ifndef HAVE_GETCWD
-char *getcwd __P((char *, size_t size));
-#endif
-#ifndef HAVE_UTIMES
-int utimes __P((const char *, const struct timeval *));
-#endif
-#ifdef HAVE_FUTIME
-int futimes __P((int, const struct timeval *));
-#endif
-#ifndef HAVE_SNPRINTF
-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))
- __printflike(3, 0);
-#endif
-#ifndef HAVE_ASPRINTF
-int asprintf __P((char **, const char *, ...))
- __printflike(2, 3);
-#endif
-#ifndef HAVE_VASPRINTF
-int vasprintf __P((char **, const char *, va_list))
- __printflike(2, 0);
-#endif
-#ifndef HAVE_STRCASECMP
-int strcasecmp __P((const char *, const char *));
-#endif
-#ifndef HAVE_STRLCAT
-size_t strlcat __P((char *, const char *, size_t));
-#endif
-#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
-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));
-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));
-#endif
-void set_perms __P((int));
+/* boottime.c */
+int get_boottime __P((struct timeval *));
+
+/* check.c */
+int user_is_exempt __P((void));
+void check_user __P((int, 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));
-char *estrdup __P((const char *));
-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));
+
+/* env.c */
+char **env_get __P((void));
+void env_init __P((int lazy));
void init_envtables __P((void));
+void insert_env_vars __P((struct list_member *));
+void read_env_file __P((const char *, int));
+void rebuild_env __P((int));
+void validate_env_vars __P((struct list_member *));
+
+/* exec.c */
+int sudo_execve __P((const char *path, char *argv[], char *envp[], uid_t uid,
+ struct command_status *cstat, int dowait, int bgmode));
+
+/* fileops.c */
+char *sudo_parseln __P((FILE *));
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 *));
+int touch __P((int, char *, struct timeval *));
+
+/* find_path.c */
+int find_path __P((char *, char **, struct stat *, char *, int));
+
+/* getspwuid.c */
char *sudo_getepw __P((const struct passwd *));
-int pam_prep_user __P((struct passwd *));
-void zero_bytes __P((volatile VOID *, size_t));
-int gettime __P((struct timespec *));
+
+/* gettime.c */
+int gettime __P((struct timeval *));
+
+/* goodpath.c */
+char *sudo_goodpath __P((const char *, struct stat *));
+
+/* gram.y */
+int yyparse __P((void));
+
+/* iolog.c */
+int io_log_open __P((void));
+int log_stderr __P((const char *buf, unsigned int len));
+int log_stdin __P((const char *buf, unsigned int len));
+int log_stdout __P((const char *buf, unsigned int len));
+int log_ttyin __P((const char *buf, unsigned int len));
+int log_ttyout __P((const char *buf, unsigned int len));
+void io_log_close __P((void));
+void io_nextid __P((void));
+
+/* pam.c */
+int pam_begin_session __P((struct passwd *));
+int pam_end_session __P((void));
+
+/* parse.c */
+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 *));
+
+/* parse_args.c */
+int parse_args __P((int, char **));
+
+/* get_pty.c */
+int get_pty __P((int *master, int *slave, char *name, size_t namesz, uid_t uid));
+
+/* pwutil.c */
+int user_in_group __P((struct passwd *, const char *));
+struct group *sudo_fakegrnam __P((const char *));
+struct group *sudo_getgrgid __P((gid_t));
+struct group *sudo_getgrnam __P((const char *));
+struct passwd *sudo_fakepwnam __P((const char *, gid_t));
+struct passwd *sudo_getpwnam __P((const char *));
+struct passwd *sudo_getpwuid __P((uid_t));
+void sudo_endgrent __P((void));
+void sudo_endpwent __P((void));
+void sudo_endspent __P((void));
+void sudo_setgrent __P((void));
+void sudo_setpwent __P((void));
+void sudo_setspent __P((void));
+
+/* selinux.c */
+int selinux_restore_tty __P((void));
+int selinux_setup __P((const char *role, const char *type, const char *ttyn,
+ int ttyfd));
+void selinux_execve __P((const char *path, char *argv[], char *envp[]));
+
+/* set_perms.c */
+int set_perms __P((int));
+
+/* sudo.c */
+FILE *open_sudoers __P((const char *, int, int *));
+int exec_setup __P((int, const char *, int));
+void cleanup __P((int));
+void set_fqdn __P((void));
+
+/* sudo_auth.c */
+void verify_user __P((struct passwd *, char *));
+void pass_warn __P((FILE *));
+void dump_auth_methods __P((void));
+
+/* sudo_nss.c */
+void display_privs __P((struct sudo_nss_list *, struct passwd *));
+int display_cmnd __P((struct sudo_nss_list *, struct passwd *));
+
+/* term.c */
+int term_cbreak __P((int));
+int term_copy __P((int, int));
+int term_noecho __P((int));
+int term_raw __P((int, int));
+int term_restore __P((int, int));
+
+/* tgetpass.c */
+char *tgetpass __P((const char *, int, int));
+int tty_present __P((void));
+
+/* timestr.c */
+char *get_timestr __P((time_t, int));
+
+/* toke.l */
+#define YY_DECL int yylex __P((void))
YY_DECL;
+/* zero_bytes.c */
+void zero_bytes __P((volatile void *, size_t));
+
/* 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 int sudo_mode;
extern uid_t timestamp_uid;
+/* XXX - conflicts with the one in visudo */
+int run_command __P((const char *path, char *argv[], char *envp[], uid_t uid, int dowait));
#endif
#ifndef errno
extern int errno;
projects / debian / sudo / blobdiff