--- embedaddon/sudo/plugins/sudoers/sudoers.h 2012/02/21 16:23:02 1.1.1.1 +++ embedaddon/sudo/plugins/sudoers/sudoers.h 2014/06/15 16:12:54 1.1.1.6 @@ -1,5 +1,5 @@ /* - * Copyright (c) 1993-1996, 1998-2005, 2007-2011 + * Copyright (c) 1993-1996, 1998-2005, 2007-2014 * Todd C. Miller * * Permission to use, copy, modify, and distribute this software for any @@ -19,25 +19,32 @@ * Materiel Command, USAF, under agreement number F39502-99-1-0512. */ -#ifndef _SUDO_SUDOERS_H -#define _SUDO_SUDOERS_H +#ifndef _SUDOERS_SUDOERS_H +#define _SUDOERS_SUDOERS_H #include +#ifdef HAVE_STDBOOL_H +# include +#else +# include "compat/stdbool.h" +#endif /* HAVE_STDBOOL_H */ +#define DEFAULT_TEXT_DOMAIN "sudoers" +#include "gettext.h" /* must be included before missing.h */ + #include #include "missing.h" -#include "error.h" +#include "fatal.h" #include "alloc.h" -#include "list.h" +#include "queue.h" #include "fileops.h" #include "defaults.h" #include "logging.h" #include "sudo_nss.h" #include "sudo_plugin.h" +#include "sudo_debug.h" +#include "sudo_util.h" -#define DEFAULT_TEXT_DOMAIN "sudoers" -#include "gettext.h" - /* * Password db and supplementary group IDs with associated group names. */ @@ -62,6 +69,8 @@ struct sudo_user { char *ttypath; char *host; char *shost; + char *runhost; + char *srunhost; char *prompt; char *cmnd; char *cmnd_args; @@ -75,16 +84,32 @@ struct sudo_user { char *role; char *type; #endif - char *cwd; +#ifdef HAVE_PRIV_SET + char *privs; + char *limitprivs; +#endif + const char *cwd; char *iolog_file; + GETGROUPS_T *gids; + int ngids; int closefrom; int lines; int cols; + int flags; + int max_groups; + mode_t umask; uid_t uid; uid_t gid; + pid_t sid; }; /* + * sudo_user flag values + */ +#define RUNAS_USER_SPECIFIED 0x01 +#define RUNAS_GROUP_SPECIFIED 0x02 + +/* * Return values for sudoers_lookup(), also used as arguments for log_auth() * Note: cannot use '0' as a value here. */ @@ -96,16 +121,11 @@ struct sudo_user { #define FLAG_NO_USER 0x020 #define FLAG_NO_HOST 0x040 #define FLAG_NO_CHECK 0x080 +#define FLAG_NON_INTERACTIVE 0x100 +#define FLAG_BAD_PASSWORD 0x200 +#define FLAG_AUTH_ERROR 0x400 /* - * Pseudo-boolean values - */ -#undef TRUE -#define TRUE 1 -#undef FALSE -#define FALSE 0 - -/* * find_path()/load_cmnd() return values */ #define FOUND 0 @@ -157,9 +177,12 @@ struct sudo_user { #define user_name (sudo_user.name) #define user_uid (sudo_user.uid) #define user_gid (sudo_user.gid) +#define user_sid (sudo_user.sid) +#define user_umask (sudo_user.umask) #define user_passwd (sudo_user.pw->pw_passwd) -#define user_uuid (sudo_user.uuid) #define user_dir (sudo_user.pw->pw_dir) +#define user_gids (sudo_user.gids) +#define user_ngids (sudo_user.ngids) #define user_group_list (sudo_user.group_list) #define user_tty (sudo_user.tty) #define user_ttypath (sudo_user.ttypath) @@ -172,6 +195,8 @@ struct sudo_user { #define user_prompt (sudo_user.prompt) #define user_host (sudo_user.host) #define user_shost (sudo_user.shost) +#define user_runhost (sudo_user.runhost) +#define user_srunhost (sudo_user.srunhost) #define user_ccname (sudo_user.krb5_ccname) #define safe_cmnd (sudo_user.cmnd_safe) #define login_class (sudo_user.class_name) @@ -180,21 +205,16 @@ struct sudo_user { #define user_role (sudo_user.role) #define user_type (sudo_user.type) #define user_closefrom (sudo_user.closefrom) +#define runas_privs (sudo_user.privs) +#define runas_limitprivs (sudo_user.limitprivs) #ifdef __TANDEM -# define ROOT_UID 65535 +# define ROOT_UID 65535 #else -# define ROOT_UID 0 +# define ROOT_UID 0 #endif +#define ROOT_GID 0 -/* - * 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; @@ -203,23 +223,30 @@ struct timeval; /* * Function prototypes */ -#define YY_DECL int yylex(void) +#define YY_DECL int sudoerslex(void) /* goodpath.c */ -char *sudo_goodpath(const char *, struct stat *); +bool 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); +int check_user(int validate, int mode); +bool user_is_exempt(void); +/* prompt.c */ +char *expand_prompt(const char *old_prompt, const char *auth_user); + +/* timestamp.c */ +void remove_timestamp(bool); +bool set_lectured(void); + /* sudo_auth.c */ -int verify_user(struct passwd *, char *); -int sudo_auth_begin_session(struct passwd *); -int sudo_auth_end_session(struct passwd *); +bool sudo_auth_needs_end_session(void); +int verify_user(struct passwd *pw, char *prompt, int validated); +int sudo_auth_begin_session(struct passwd *pw, char **user_env[]); +int sudo_auth_end_session(struct passwd *pw); int sudo_auth_init(struct passwd *pw); int sudo_auth_cleanup(struct passwd *pw); @@ -241,10 +268,23 @@ void restore_perms(void); int pam_prep_user(struct passwd *); /* gram.y */ -int yyparse(void); +int sudoersparse(void); +extern char *login_style; +extern const char *errorfile; +extern int errorlineno; +extern bool parse_error; +extern bool sudoers_warnings; /* toke.l */ YY_DECL; +extern FILE *sudoersin; +extern const char *sudoers_file; +extern char *sudoers; +extern mode_t sudoers_mode; +extern uid_t sudoers_uid; +extern gid_t sudoers_gid; +extern int sudolineno; +extern int last_token; /* defaults.c */ void dump_defaults(void); @@ -253,48 +293,44 @@ 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 *); +bool display_cmnd(struct sudo_nss_list *, struct passwd *); /* pwutil.c */ -void sudo_setgrent(void); +__dso_public struct group *sudo_getgrgid(gid_t); +__dso_public struct group *sudo_getgrnam(const char *); +__dso_public void sudo_gr_addref(struct group *); +__dso_public void sudo_gr_delref(struct group *); +bool user_in_group(const struct passwd *, const char *); +struct group *sudo_fakegrnam(const char *); +struct group_list *sudo_get_grlist(const struct passwd *pw); +struct passwd *sudo_fakepwnam(const char *, gid_t); +struct passwd *sudo_mkpwent(const char *user, uid_t uid, gid_t gid, const char *home, const char *shell); +struct passwd *sudo_getpwnam(const char *); +struct passwd *sudo_getpwuid(uid_t); void sudo_endgrent(void); -void sudo_setpwent(void); void sudo_endpwent(void); -void sudo_setspent(void); void sudo_endspent(void); -struct group_list *get_group_list(struct passwd *pw); -void set_group_list(const char *, GETGROUPS_T *gids, int ngids); -struct passwd *sudo_getpwnam(const char *); -struct passwd *sudo_fakepwnamid(const char *user, uid_t uid, gid_t gid); -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 grlist_addref(struct group_list *); -void grlist_delref(struct group_list *); -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 *); +void sudo_grlist_addref(struct group_list *); +void sudo_grlist_delref(struct group_list *); +void sudo_pw_addref(struct passwd *); +void sudo_pw_delref(struct passwd *); +void sudo_set_grlist(struct passwd *pw, char * const *groups, + char * const *gids); +void sudo_setgrent(void); +void sudo_setpwent(void); +void sudo_setspent(void); /* timestr.c */ char *get_timestr(time_t, int); -/* atobool.c */ -int atobool(const char *str); - /* boottime.c */ -int get_boottime(struct timeval *); +bool get_boottime(struct timeval *); /* iolog.c */ -void io_nextid(char *iolog_dir, char sessid[7]); +int io_set_max_sessid(const char *sessid); +void io_nextid(char *iolog_dir, char *iolog_dir_fallback, char sessid[7]); /* iolog_path.c */ char *expand_iolog_path(const char *prefix, const char *dir, const char *file, @@ -302,24 +338,32 @@ char *expand_iolog_path(const char *prefix, const char /* env.c */ char **env_get(void); +void env_merge(char * const envp[]); 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[]); +int sudo_setenv(const char *var, const char *val, int overwrite); +int sudo_unsetenv(const char *var); +char *sudo_getenv(const char *name); +int sudoers_hook_getenv(const char *name, char **value, void *closure); +int sudoers_hook_putenv(char *string, void *closure); +int sudoers_hook_setenv(const char *name, const char *value, int overwrite, void *closure); +int sudoers_hook_unsetenv(const char *name, void *closure); -/* 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 *); +FILE *open_sudoers(const char *, bool, bool *); +int sudoers_policy_init(void *info, char * const envp[]); +int sudoers_policy_main(int argc, char * const argv[], int pwflag, char *env_add[], void *closure); +void sudoers_cleanup(void); -/* aix.c */ -void aix_restoreauthdb(void); -void aix_setauthdb(char *user); +/* policy.c */ +int sudoers_policy_deserialize_info(void *v, char **runas_user, char **runas_group); +int sudoers_policy_exec_setup(char *argv[], char *envp[], mode_t cmnd_umask, char *iolog_path, void *v); +extern const char *path_ldap_conf; +extern const char *path_ldap_secret; /* group_plugin.c */ int group_plugin_load(char *plugin_info); @@ -327,21 +371,13 @@ void group_plugin_unload(void); int group_plugin_query(const char *user, const char *group, const struct passwd *pwd); -/* setgroups.c */ -int sudo_setgroups(int ngids, const GETGROUPS_T *gids); - #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 -#endif /* _SUDO_SUDOERS_H */ +#endif /* _SUDOERS_SUDOERS_H */