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Diffstat (limited to 'plugins/sudoers/defaults.h')
| -rw-r--r-- | plugins/sudoers/defaults.h | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/plugins/sudoers/defaults.h b/plugins/sudoers/defaults.h new file mode 100644 index 0000000..9909024 --- /dev/null +++ b/plugins/sudoers/defaults.h @@ -0,0 +1,157 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 1999-2005, 2008-2023 + * 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 { + bool 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 sudoers_context; +struct sudo_defs_types { + const char *name; + int type; + const char *desc; + struct def_values *values; + bool (*callback)(struct sudoers_context *ctx, 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 { + int idx; + int run_callback; + int line; + int 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_PLUGIN +#define T_PLUGIN 0x013 +#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(struct sudoers_context *ctx, const char *var, const char *val, int op, const char *file, int line, int column, bool quiet); +bool update_defaults(struct sudoers_context *ctx, struct sudoers_parse_tree *parse_tree, struct defaults_list *defs, int what, bool quiet); +bool check_defaults(const 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(struct sudoers_context *ctx, 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 */ |