mirror of https://github.com/sudo-project/sudo.git
158 lines
4.2 KiB
C
158 lines
4.2 KiB
C
/*
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* SPDX-License-Identifier: ISC
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*
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* Copyright (c) 1999-2005, 2008-2023
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* Todd C. Miller <Todd.Miller@sudo.ws>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* Sponsored in part by the Defense Advanced Research Projects
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* Agency (DARPA) and Air Force Research Laboratory, Air Force
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* Materiel Command, USAF, under agreement number F39502-99-1-0512.
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*/
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#ifndef SUDOERS_DEFAULTS_H
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#define SUDOERS_DEFAULTS_H
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#include <time.h>
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#include <def_data.h>
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#include <sudo_queue.h>
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struct list_member {
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SLIST_ENTRY(list_member) entries;
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char *value;
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};
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SLIST_HEAD(list_members, list_member);
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enum list_ops {
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add,
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delete,
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freeall
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};
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/* Mapping of tuple string value to enum def_tuple. */
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struct def_values {
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const char *sval; /* string value */
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enum def_tuple nval;/* numeric value */
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};
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union sudo_defs_val {
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bool flag;
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int ival;
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unsigned int uival;
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enum def_tuple tuple;
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char *str;
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mode_t mode;
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struct timespec tspec;
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struct list_members list;
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};
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/*
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* Structure describing compile-time and run-time options.
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*/
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struct sudoers_context;
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struct sudo_defs_types {
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const char *name;
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int type;
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const char *desc;
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struct def_values *values;
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bool (*callback)(struct sudoers_context *ctx, const char *file, int line, int column, const union sudo_defs_val *, int op);
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union sudo_defs_val sd_un;
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};
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/*
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* Defaults values to apply before others.
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*/
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struct early_default {
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int idx;
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int run_callback;
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int line;
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int column;
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char *file;
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};
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/*
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* Four types of defaults: strings, integers, and flags.
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* Also, T_INT, T_TIMESPEC or T_STR may be ANDed with T_BOOL to indicate that
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* a value is not required. Flags are boolean by nature...
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*/
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#undef T_INT
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#define T_INT 0x001
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#undef T_UINT
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#define T_UINT 0x002
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#undef T_STR
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#define T_STR 0x003
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#undef T_FLAG
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#define T_FLAG 0x004
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#undef T_MODE
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#define T_MODE 0x005
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#undef T_LIST
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#define T_LIST 0x006
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#undef T_LOGFAC
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#define T_LOGFAC 0x007
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#undef T_LOGPRI
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#define T_LOGPRI 0x008
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#undef T_TUPLE
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#define T_TUPLE 0x009
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#undef T_TIMESPEC
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#define T_TIMESPEC 0x010
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#undef T_TIMEOUT
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#define T_TIMEOUT 0x011
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#undef T_RLIMIT
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#define T_RLIMIT 0x012
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#undef T_PLUGIN
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#define T_PLUGIN 0x013
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#undef T_MASK
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#define T_MASK 0x0FF
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#undef T_BOOL
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#define T_BOOL 0x100
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#undef T_PATH
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#define T_PATH 0x200
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#undef T_CHPATH
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#define T_CHPATH 0x400
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#undef T_SPACE
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#define T_SPACE 0x800
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/*
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* Argument to update_defaults()
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*/
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#define SETDEF_GENERIC 0x01
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#define SETDEF_HOST 0x02
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#define SETDEF_USER 0x04
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#define SETDEF_RUNAS 0x08
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#define SETDEF_CMND 0x10
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#define SETDEF_ALL (SETDEF_GENERIC|SETDEF_HOST|SETDEF_USER|SETDEF_RUNAS|SETDEF_CMND)
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/*
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* Convenience macros
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*/
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#define iolog_enabled (def_log_stdin || def_log_ttyin || def_log_stdout || def_log_stderr || def_log_ttyout)
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/*
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* Prototypes
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*/
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struct defaults_list;
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struct sudoers_parse_tree;
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void dump_default(void);
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bool init_defaults(void);
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bool set_default(struct sudoers_context *ctx, const char *var, const char *val, int op, const char *file, int line, int column, bool quiet);
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bool update_defaults(struct sudoers_context *ctx, struct sudoers_parse_tree *parse_tree, const struct defaults_list *defs, int what, bool quiet);
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bool check_defaults(const struct sudoers_parse_tree *parse_tree, bool quiet);
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bool append_default(const char *var, const char *val, int op, char *source, struct defaults_list *defs);
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bool cb_passprompt_regex(struct sudoers_context *ctx, const char *file, int line, int column, const union sudo_defs_val *sd_un, int op);
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extern struct sudo_defs_types sudo_defs_table[];
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#endif /* SUDOERS_DEFAULTS_H */
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