Adding upstream version 1.9.13p3.upstream/1.9.13p3upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 492 insertions, 0 deletions

diff --git a/plugins/sudoers/sudoers.h b/plugins/sudoers/sudoers.h
new file mode 100644
index 0000000..df60627
--- /dev/null
+++ b/plugins/sudoers/sudoers.h
@@ -0,0 +1,492 @@
+/*
+ * SPDX-License-Identifier: ISC
+ *
+ * Copyright (c) 1993-1996, 1998-2005, 2007-2022
+ *	Todd C. Miller <Todd.Miller@sudo.ws>
+ *
+ * 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 SUDOERS_SUDOERS_H
+#define SUDOERS_SUDOERS_H
+
+#include <sys/types.h>		/* for gid_t, mode_t, pid_t, size_t, uid_t */
+#include <limits.h>
+#ifdef HAVE_STDBOOL_H
+# include <stdbool.h>
+#else
+# include "compat/stdbool.h"
+#endif /* HAVE_STDBOOL_H */
+
+#define DEFAULT_TEXT_DOMAIN	"sudoers"
+
+#include "pathnames.h"
+#include "sudo_compat.h"
+#include "sudo_conf.h"
+#include "sudo_eventlog.h"
+#include "sudo_fatal.h"
+#include "sudo_gettext.h"
+#include "sudo_nss.h"
+#include "sudo_plugin.h"
+#include "sudo_queue.h"
+#include "sudo_util.h"
+#include "sudoers_debug.h"
+
+#include "defaults.h"
+#include "logging.h"
+#include "parse.h"
+
+/*
+ * Info passed in from the sudo front-end.
+ */
+struct sudoers_open_info {
+    char * const *settings;
+    char * const *user_info;
+    char * const *plugin_args;
+};
+
+/*
+ * Supplementary group IDs for a user.
+ */
+struct gid_list {
+    int ngids;
+    GETGROUPS_T *gids;
+};
+
+/*
+ * Supplementary group names for a user.
+ */
+struct group_list {
+    int ngroups;
+    char **groups;
+};
+
+/*
+ * Info pertaining to the invoking user.
+ * XXX - can we embed struct eventlog here or use it instead?
+ */
+struct sudo_user {
+    struct timespec submit_time;
+    struct passwd *pw;
+    struct passwd *_runas_pw;
+    struct group *_runas_gr;
+    struct stat *cmnd_stat;
+    char *cwd;
+    char *name;
+    char *runas_user;
+    char *runas_group;
+    char *path;
+    char *tty;
+    char *ttypath;
+    char *host;
+    char *shost;
+    char *runhost;
+    char *srunhost;
+    char *runchroot;
+    char *runcwd;
+    char *prompt;
+    char *cmnd;
+    char *cmnd_args;
+    char *cmnd_base;
+    char *cmnd_list;
+    char *cmnd_safe;
+    char *cmnd_saved;
+    char *class_name;
+    char *krb5_ccname;
+    struct gid_list *gid_list;
+    char * const * env_vars;
+#ifdef HAVE_SELINUX
+    char *role;
+    char *type;
+#endif
+#ifdef HAVE_APPARMOR
+    char *apparmor_profile;
+#endif
+#ifdef HAVE_PRIV_SET
+    char *privs;
+    char *limitprivs;
+#endif
+    char *iolog_file;
+    char *iolog_path;
+    GETGROUPS_T *gids;
+    int   execfd;
+    int   ngids;
+    int   closefrom;
+    int   lines;
+    int   cols;
+    int   flags;
+    int   max_groups;
+    int   timeout;
+    mode_t umask;
+    uid_t uid;
+    uid_t gid;
+    pid_t sid;
+    pid_t tcpgid;
+    char uuid_str[37];
+};
+
+/*
+ * sudo_get_gidlist() type values
+ */
+#define ENTRY_TYPE_ANY		0x00
+#define ENTRY_TYPE_QUERIED	0x01
+#define ENTRY_TYPE_FRONTEND	0x02
+
+/*
+ * sudo_user flag values
+ */
+#define RUNAS_USER_SPECIFIED	0x01
+#define RUNAS_GROUP_SPECIFIED	0x02
+#define CAN_INTERCEPT_SETID	0x04
+#define HAVE_INTERCEPT_PTRACE	0x08
+#define USER_INTERCEPT_SETID	0x10
+
+/*
+ * Return values for sudoers_lookup(), also used as arguments for log_auth()
+ * Note: cannot use '0' as a value here.
+ */
+#define VALIDATE_ERROR		0x001
+#define VALIDATE_SUCCESS	0x002
+#define VALIDATE_FAILURE	0x004
+#define FLAG_CHECK_USER		0x010
+#define FLAG_NO_USER		0x020
+#define FLAG_NO_HOST		0x040
+#define FLAG_NO_CHECK		0x080
+#define FLAG_NO_USER_INPUT	0x100
+#define FLAG_BAD_PASSWORD	0x200
+
+/*
+ * find_path()/set_cmnd() return values
+ */
+#define FOUND			0
+#define NOT_FOUND		1
+#define NOT_FOUND_DOT		2
+#define NOT_FOUND_ERROR		3
+#define NOT_FOUND_PATH		4
+
+/*
+ * 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_ERROR		0x00000200
+#define MODE_MASK		0x0000ffff
+
+/* Mode flags */
+#define MODE_ASKPASS		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
+#define MODE_IGNORE_TICKET	0x01000000
+#define MODE_UPDATE_TICKET	0x02000000
+#define MODE_POLICY_INTERCEPTED	0x04000000
+
+/* Mode bits allowed for intercepted commands. */
+#define MODE_INTERCEPT_MASK	(MODE_RUN|MODE_NONINTERACTIVE|MODE_IGNORE_TICKET|MODE_POLICY_INTERCEPTED)
+
+/*
+ * 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_IOLOG		0x07
+
+/*
+ * 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_sid		(sudo_user.sid)
+#define user_tcpgid		(sudo_user.tcpgid)
+#define user_umask		(sudo_user.umask)
+#define user_passwd		(sudo_user.pw->pw_passwd)
+#define user_dir		(sudo_user.pw->pw_dir)
+#define user_gids		(sudo_user.gids)
+#define user_ngids		(sudo_user.ngids)
+#define user_gid_list		(sudo_user.gid_list)
+#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_runhost		(sudo_user.runhost)
+#define user_srunhost		(sudo_user.srunhost)
+#define user_ccname		(sudo_user.krb5_ccname)
+#define list_cmnd		(sudo_user.cmnd_list)
+#define safe_cmnd		(sudo_user.cmnd_safe)
+#define saved_cmnd		(sudo_user.cmnd_saved)
+#define cmnd_fd			(sudo_user.execfd)
+#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_apparmor_profile		(sudo_user.apparmor_profile)
+#define user_closefrom		(sudo_user.closefrom)
+#define	runas_privs		(sudo_user.privs)
+#define	runas_limitprivs	(sudo_user.limitprivs)
+#define user_timeout		(sudo_user.timeout)
+#define user_runchroot		(sudo_user.runchroot)
+#define user_runcwd		(sudo_user.runcwd)
+
+/* Default sudoers uid/gid/mode if not set by the Makefile. */
+#ifndef SUDOERS_UID
+# define SUDOERS_UID	0
+#endif
+#ifndef SUDOERS_GID
+# define SUDOERS_GID	0
+#endif
+#ifndef SUDOERS_MODE
+# define SUDOERS_MODE	0600
+#endif
+
+struct sudo_lbuf;
+struct passwd;
+struct stat;
+struct timespec;
+
+/*
+ * Function prototypes
+ */
+#define YY_DECL int sudoerslex(void)
+
+/* goodpath.c */
+bool sudo_goodpath(const char *path, const char *runchroot, struct stat *sbp);
+
+/* findpath.c */
+int find_path(const char *infile, char **outfile, struct stat *sbp,
+    const char *path, const char *runchroot, int ignore_dot,
+    char * const *allowlist);
+
+/* check.c */
+int check_user(int validate, int mode);
+bool check_user_shell(const struct passwd *pw);
+bool user_is_exempt(void);
+
+/* prompt.c */
+char *expand_prompt(const char *old_prompt, const char *auth_user);
+
+/* timestamp.c */
+int timestamp_remove(bool unlinkit);
+
+/* sudo_auth.c */
+bool sudo_auth_needs_end_session(void);
+int verify_user(struct passwd *pw, char *prompt, int validated, struct sudo_conv_callback *callback);
+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 mode);
+int sudo_auth_approval(struct passwd *pw, int validated, bool exempt);
+int sudo_auth_cleanup(struct passwd *pw, bool force);
+
+/* set_perms.c */
+bool rewind_perms(void);
+bool set_perms(int);
+bool restore_perms(void);
+int pam_prep_user(struct passwd *);
+
+/* gram.y */
+int sudoersparse(void);
+extern char *login_style;
+extern bool parse_error;
+extern bool sudoers_warnings;
+extern bool sudoers_recovery;
+extern bool sudoers_strict;
+
+/* toke.l */
+YY_DECL;
+void sudoersrestart(FILE *);
+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;
+
+/* defaults.c */
+void dump_defaults(void);
+void dump_auth_methods(void);
+
+/* getspwuid.c */
+char *sudo_getepw(const struct passwd *);
+
+/* pwutil.c */
+typedef struct cache_item * (*sudo_make_pwitem_t)(uid_t uid, const char *user);
+typedef struct cache_item * (*sudo_make_gritem_t)(gid_t gid, const char *group);
+typedef struct cache_item * (*sudo_make_gidlist_item_t)(const struct passwd *pw, char * const *gids, unsigned int type);
+typedef struct cache_item * (*sudo_make_grlist_item_t)(const struct passwd *pw, char * const *groups);
+sudo_dso_public struct group *sudo_getgrgid(gid_t);
+sudo_dso_public struct group *sudo_getgrnam(const char *);
+sudo_dso_public void sudo_gr_addref(struct group *);
+sudo_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 *sudo_mkgrent(const char *group, gid_t gid, ...);
+struct gid_list *sudo_get_gidlist(const struct passwd *pw, unsigned int type);
+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_endspent(void);
+void sudo_freegrcache(void);
+void sudo_freepwcache(void);
+void sudo_gidlist_addref(struct gid_list *);
+void sudo_gidlist_delref(struct gid_list *);
+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 *);
+int  sudo_set_gidlist(struct passwd *pw, char * const *gids, unsigned int type);
+int  sudo_set_grlist(struct passwd *pw, char * const *groups);
+void sudo_pwutil_set_backend(sudo_make_pwitem_t, sudo_make_gritem_t, sudo_make_gidlist_item_t, sudo_make_grlist_item_t);
+void sudo_setspent(void);
+
+/* timestr.c */
+char *get_timestr(time_t, int);
+
+/* boottime.c */
+bool get_boottime(struct timespec *);
+
+/* iolog.c */
+bool cb_maxseq(const char *file, int line, int column, const union sudo_defs_val *sd_un, int op);
+bool cb_iolog_user(const char *file, int line, int column, const union sudo_defs_val *sd_un, int op);
+bool cb_iolog_group(const char *file, int line, int column, const union sudo_defs_val *sd_un, int op);
+bool cb_iolog_mode(const char *file, int line, int column, const union sudo_defs_val *sd_un, int op);
+
+/* iolog_path_escapes.c */
+struct iolog_path_escape;
+extern const struct iolog_path_escape *sudoers_iolog_path_escapes;
+
+/* env.c */
+char **env_get(void);
+bool env_merge(char * const envp[]);
+bool env_swap_old(void);
+bool env_init(char * const envp[]);
+bool init_envtables(void);
+bool insert_env_vars(char * const envp[]);
+bool read_env_file(const char *path, bool overwrite, bool restricted);
+bool rebuild_env(void);
+bool 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);
+char *sudo_getenv_nodebug(const char *name);
+int sudo_putenv_nodebug(char *str, bool dupcheck, bool overwrite);
+int sudo_unsetenv_nodebug(const char *var);
+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);
+void register_env_file(void * (*ef_open)(const char *), void (*ef_close)(void *), char * (*ef_next)(void *, int *), bool sys);
+
+/* env_pattern.c */
+bool matches_env_pattern(const char *pattern, const char *var, bool *full_match);
+
+/* sudoers.c */
+FILE *open_sudoers(const char *, bool, bool *);
+bool cb_log_input(const char *file, int line, int column, const union sudo_defs_val *sd_un, int op);
+bool cb_log_output(const char *file, int line, int column, const union sudo_defs_val *sd_un, int op);
+int set_cmnd_path(const char *runchroot);
+int sudoers_init(void *info, sudoers_logger_t logger, char * const envp[]);
+int sudoers_policy_main(int argc, char *const argv[], int pwflag, char *env_add[], bool verbose, void *closure);
+void sudoers_cleanup(void);
+void sudo_user_free(void);
+extern struct sudo_user sudo_user;
+extern struct passwd *list_pw;
+extern bool force_umask;
+extern int sudo_mode;
+extern int sudoedit_nfiles;
+extern uid_t timestamp_uid;
+extern gid_t timestamp_gid;
+extern sudo_conv_t sudo_conv;
+extern sudo_printf_t sudo_printf;
+extern struct sudo_plugin_event * (*plugin_event_alloc)(void);
+
+/* sudoers_debug.c */
+bool sudoers_debug_parse_flags(struct sudo_conf_debug_file_list *debug_files, const char *entry);
+bool sudoers_debug_register(const char *plugin_path, struct sudo_conf_debug_file_list *debug_files);
+void sudoers_debug_deregister(void);
+
+/* policy.c */
+int sudoers_policy_deserialize_info(void *v, struct defaults_list *defaults);
+bool sudoers_policy_store_result(bool accepted, 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(const char *plugin_info);
+void group_plugin_unload(void);
+int group_plugin_query(const char *user, const char *group,
+    const struct passwd *pwd);
+bool cb_group_plugin(const char *file, int line, int column, const union sudo_defs_val *sd_un, int op);
+extern const char *path_plugin_dir;
+
+/* editor.c */
+char *find_editor(int nfiles, char * const *files, int *argc_out,
+    char ***argv_out, char * const *allowlist, const char **env_editor);
+
+/* exptilde.c */
+bool expand_tilde(char **path, const char *user);
+
+/* gc.c */
+enum sudoers_gc_types {
+    GC_UNKNOWN,
+    GC_VECTOR,
+    GC_PTR
+};
+bool sudoers_gc_add(enum sudoers_gc_types type, void *ptr);
+bool sudoers_gc_remove(enum sudoers_gc_types type, void *ptr);
+void sudoers_gc_init(void);
+void sudoers_gc_run(void);
+
+/* strlcpy_unesc.c */
+size_t strlcpy_unescape(char *dst, const char *src, size_t size);
+
+/* strvec_join.c */
+char *strvec_join(char *const argv[], char sep, size_t (*cpy)(char *, const char *, size_t));
+
+/* unesc_str.c */
+void unescape_string(char *str);
+
+/* serialize_list.c */
+char *serialize_list(const char *varname, struct list_members *members);
+
+#endif /* SUDOERS_SUDOERS_H */