--- /dev/null
+/*
+ * Copyright (c) 1993-1996, 1998-2005, 2007-2011
+ * 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
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * 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.
+ */
+
+#ifndef _SUDO_SUDOERS_H
+#define _SUDO_SUDOERS_H
+
+#include <limits.h>
+
+#include <pathnames.h>
+#include "missing.h"
+#include "error.h"
+#include "alloc.h"
+#include "list.h"
+#include "fileops.h"
+#include "defaults.h"
+#include "logging.h"
+#include "sudo_nss.h"
+#include "sudo_plugin.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 *name;
+ char *path;
+ char *tty;
+ char *ttypath;
+ char *host;
+ char *shost;
+ char *prompt;
+ char *cmnd;
+ char *cmnd_args;
+ char *cmnd_base;
+ char *cmnd_safe;
+ char *class_name;
+ char *krb5_ccname;
+ int closefrom;
+ int ngroups;
+ uid_t uid;
+ uid_t gid;
+ int lines;
+ int cols;
+ GETGROUPS_T *groups;
+ char * const * env_vars;
+#ifdef HAVE_SELINUX
+ char *role;
+ char *type;
+#endif
+ char *cwd;
+ char *iolog_file;
+#ifdef HAVE_MBR_CHECK_MEMBERSHIP
+ uuid_t uuid;
+#endif
+};
+
+/*
+ * Return values for sudoers_lookup(), also used as arguments for log_auth()
+ * Note: cannot use '0' as a value here.
+ */
+/* XXX - VALIDATE_SUCCESS and VALIDATE_FAILURE instead? */
+#define VALIDATE_ERROR 0x001
+#define VALIDATE_OK 0x002
+#define VALIDATE_NOT_OK 0x004
+#define FLAG_CHECK_USER 0x010
+#define FLAG_NO_USER 0x020
+#define FLAG_NO_HOST 0x040
+#define FLAG_NO_CHECK 0x080
+
+/*
+ * Pseudo-boolean values
+ */
+#undef TRUE
+#define TRUE 1
+#undef FALSE
+#define FALSE 0
+
+/*
+ * find_path()/load_cmnd() return values
+ */
+#define FOUND 0
+#define NOT_FOUND 1
+#define NOT_FOUND_DOT 2
+
+/*
+ * Various modes sudo can be in (based on arguments) in hex
+ */
+#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 /* XXX - unused */
+#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
+#define MODE_IGNORE_TICKET 0x01000000
+
+/*
+ * Used with set_perms()
+ */
+#define PERM_INITIAL 0x00
+#define PERM_ROOT 0x01
+#define PERM_USER 0x02
+#define PERM_FULL_USER 0x03
+#define PERM_SUDOERS 0x04
+#define PERM_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.name)
+#define user_uid (sudo_user.uid)
+#define user_gid (sudo_user.gid)
+#define user_passwd (sudo_user.pw->pw_passwd)
+#define user_uuid (sudo_user.uuid)
+#define user_dir (sudo_user.pw->pw_dir)
+#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_cmnd (sudo_user.cmnd)
+#define user_args (sudo_user.cmnd_args)
+#define user_base (sudo_user.cmnd_base)
+#define user_stat (sudo_user.cmnd_stat)
+#define user_path (sudo_user.path)
+#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 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)
+#define user_closefrom (sudo_user.closefrom)
+
+#ifdef __TANDEM
+# define ROOT_UID 65535
+#else
+# define ROOT_UID 0
+#endif
+
+/*
+ * We used to use the system definition of PASS_MAX or _PASSWD_LEN,
+ * but that caused problems with various alternate authentication
+ * methods. So, we just define our own and assume that it is >= the
+ * system max.
+ */
+#define SUDO_PASS_MAX 256
+
+struct lbuf;
+struct passwd;
+struct stat;
+struct timeval;
+
+/*
+ * Function prototypes
+ */
+#define YY_DECL int yylex(void)
+
+/* goodpath.c */
+char *sudo_goodpath(const char *, struct stat *);
+
+/* findpath.c */
+int find_path(char *, char **, struct stat *, char *, int);
+
+/* check.c */
+int check_user(int, int);
+void remove_timestamp(int);
+int user_is_exempt(void);
+
+/* sudo_auth.c */
+int verify_user(struct passwd *, char *);
+int auth_begin_session(struct passwd *);
+int auth_end_session();
+
+/* parse.c */
+int sudo_file_open(struct sudo_nss *);
+int sudo_file_close(struct sudo_nss *);
+int sudo_file_setdefs(struct sudo_nss *);
+int sudo_file_lookup(struct sudo_nss *, int, int);
+int sudo_file_parse(struct sudo_nss *);
+int sudo_file_display_cmnd(struct sudo_nss *, struct passwd *);
+int sudo_file_display_defaults(struct sudo_nss *, struct passwd *, struct lbuf *);
+int sudo_file_display_bound_defaults(struct sudo_nss *, struct passwd *, struct lbuf *);
+int sudo_file_display_privs(struct sudo_nss *, struct passwd *, struct lbuf *);
+
+/* set_perms.c */
+void rewind_perms(void);
+int set_perms(int);
+void restore_perms(void);
+int pam_prep_user(struct passwd *);
+
+/* gram.y */
+int yyparse(void);
+
+/* toke.l */
+YY_DECL;
+
+/* defaults.c */
+void dump_defaults(void);
+void dump_auth_methods(void);
+
+/* getspwuid.c */
+char *sudo_getepw(const struct passwd *);
+
+/* zero_bytes.c */
+void zero_bytes(volatile void *, size_t);
+
+/* sudo_nss.c */
+void display_privs(struct sudo_nss_list *, struct passwd *);
+int display_cmnd(struct sudo_nss_list *, struct passwd *);
+
+/* pwutil.c */
+void sudo_setgrent(void);
+void sudo_endgrent(void);
+void sudo_setpwent(void);
+void sudo_endpwent(void);
+void sudo_setspent(void);
+void sudo_endspent(void);
+struct passwd *sudo_getpwnam(const char *);
+struct passwd *sudo_fakepwnam(const char *, gid_t);
+struct passwd *sudo_getpwuid(uid_t);
+struct group *sudo_getgrnam(const char *);
+struct group *sudo_fakegrnam(const char *);
+struct group *sudo_getgrgid(gid_t);
+void gr_addref(struct group *);
+void gr_delref(struct group *);
+void pw_addref(struct passwd *);
+void pw_delref(struct passwd *);
+int user_in_group(struct passwd *, const char *);
+
+/* timestr.c */
+char *get_timestr(time_t, int);
+
+/* atobool.c */
+int atobool(const char *str);
+
+/* boottime.c */
+int get_boottime(struct timeval *);
+
+/* iolog.c */
+void io_nextid(char *iolog_dir, char sessid[7]);
+
+/* iolog_path.c */
+char *expand_iolog_path(const char *prefix, const char *dir, const char *file,
+ char **slashp);
+
+/* env.c */
+char **env_get(void);
+void env_init(char * const envp[]);
+void init_envtables(void);
+void insert_env_vars(char * const envp[]);
+void read_env_file(const char *, int);
+void rebuild_env(void);
+void validate_env_vars(char * const envp[]);
+
+/* fmt_string.c */
+char *fmt_string(const char *, const char *);
+
+/* sudoers.c */
+void plugin_cleanup(int);
+void set_fqdn(void);
+FILE *open_sudoers(const char *, int, int *);
+
+/* aix.c */
+void aix_restoreauthdb(void);
+void aix_setauthdb(char *user);
+
+/* group_plugin.c */
+int group_plugin_load(char *plugin_info);
+void group_plugin_unload(void);
+int group_plugin_query(const char *user, const char *group,
+ const struct passwd *pwd);
+
+#ifndef _SUDO_MAIN
+extern struct sudo_user sudo_user;
+extern struct passwd *list_pw;
+extern const char *sudoers_file;
+extern mode_t sudoers_mode;
+extern uid_t sudoers_uid;
+extern gid_t sudoers_gid;
+extern int long_list;
+extern int sudo_mode;
+extern uid_t timestamp_uid;
+extern sudo_conv_t sudo_conv;
+extern sudo_printf_t sudo_printf;
+#endif
+
+/* Some systems don't declare errno in errno.h */
+#ifndef errno
+extern int errno;
+#endif
+
+#endif /* _SUDO_SUDOERS_H */
projects / debian / sudo / blobdiff