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-rw-r--r--plugins/sudoers/defaults.h154
1 files changed, 154 insertions, 0 deletions
diff --git a/plugins/sudoers/defaults.h b/plugins/sudoers/defaults.h
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+++ b/plugins/sudoers/defaults.h
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+/*
+ * SPDX-License-Identifier: ISC
+ *
+ * Copyright (c) 1999-2005, 2008-2022
+ * 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_DEFAULTS_H
+#define SUDOERS_DEFAULTS_H
+
+#include <time.h>
+#include <def_data.h>
+#include "sudo_queue.h"
+
+struct list_member {
+ SLIST_ENTRY(list_member) entries;
+ char *value;
+};
+
+SLIST_HEAD(list_members, list_member);
+
+enum list_ops {
+ add,
+ delete,
+ freeall
+};
+
+/* Mapping of tuple string value to enum def_tuple. */
+struct def_values {
+ const char *sval; /* string value */
+ enum def_tuple nval;/* numeric value */
+};
+
+union sudo_defs_val {
+ int flag;
+ int ival;
+ unsigned int uival;
+ enum def_tuple tuple;
+ char *str;
+ mode_t mode;
+ struct timespec tspec;
+ struct list_members list;
+};
+
+/*
+ * Structure describing compile-time and run-time options.
+ */
+struct sudo_defs_types {
+ const char *name;
+ int type;
+ const char *desc;
+ struct def_values *values;
+ bool (*callback)(const char *file, int line, int column, const union sudo_defs_val *, int op);
+ union sudo_defs_val sd_un;
+};
+
+/*
+ * Defaults values to apply before others.
+ */
+struct early_default {
+ short idx;
+ short run_callback;
+ short line;
+ short column;
+ char *file;
+};
+
+/*
+ * Four types of defaults: strings, integers, and flags.
+ * Also, T_INT, T_TIMESPEC or T_STR may be ANDed with T_BOOL to indicate that
+ * a value is not required. Flags are boolean by nature...
+ */
+#undef T_INT
+#define T_INT 0x001
+#undef T_UINT
+#define T_UINT 0x002
+#undef T_STR
+#define T_STR 0x003
+#undef T_FLAG
+#define T_FLAG 0x004
+#undef T_MODE
+#define T_MODE 0x005
+#undef T_LIST
+#define T_LIST 0x006
+#undef T_LOGFAC
+#define T_LOGFAC 0x007
+#undef T_LOGPRI
+#define T_LOGPRI 0x008
+#undef T_TUPLE
+#define T_TUPLE 0x009
+#undef T_TIMESPEC
+#define T_TIMESPEC 0x010
+#undef T_TIMEOUT
+#define T_TIMEOUT 0x011
+#undef T_RLIMIT
+#define T_RLIMIT 0x012
+#undef T_MASK
+#define T_MASK 0x0FF
+#undef T_BOOL
+#define T_BOOL 0x100
+#undef T_PATH
+#define T_PATH 0x200
+#undef T_CHPATH
+#define T_CHPATH 0x400
+#undef T_SPACE
+#define T_SPACE 0x800
+
+/*
+ * Argument to update_defaults()
+ */
+#define SETDEF_GENERIC 0x01
+#define SETDEF_HOST 0x02
+#define SETDEF_USER 0x04
+#define SETDEF_RUNAS 0x08
+#define SETDEF_CMND 0x10
+#define SETDEF_ALL (SETDEF_GENERIC|SETDEF_HOST|SETDEF_USER|SETDEF_RUNAS|SETDEF_CMND)
+
+/*
+ * Convenience macros
+ */
+#define iolog_enabled (def_log_stdin || def_log_ttyin || def_log_stdout || def_log_stderr || def_log_ttyout)
+
+/*
+ * Prototypes
+ */
+struct defaults_list;
+struct sudoers_parse_tree;
+void dump_default(void);
+bool init_defaults(void);
+bool set_default(const char *var, const char *val, int op, const char *file, int line, int column, bool quiet);
+bool update_defaults(struct sudoers_parse_tree *parse_tree, struct defaults_list *defs, int what, bool quiet);
+bool check_defaults(struct sudoers_parse_tree *parse_tree, bool quiet);
+bool append_default(const char *var, const char *val, int op, char *source, struct defaults_list *defs);
+bool cb_passprompt_regex(const char *file, int line, int column, const union sudo_defs_val *sd_un, int op);
+
+extern struct sudo_defs_types sudo_defs_table[];
+
+#endif /* SUDOERS_DEFAULTS_H */