mirror of https://github.com/sudo-project/sudo.git
111 lines
3.3 KiB
C
111 lines
3.3 KiB
C
/*
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* SPDX-License-Identifier: ISC
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*
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* Copyright (c) 2013 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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#ifndef COMPAT_NSS_DBDEFS_H
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#define COMPAT_NSS_DBDEFS_H
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/*
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* Bits of nss_dbdefs.h and nss_common.h needed to implement
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* getgrouplist(3) using nss_search(3).
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*
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* HP-UX does not ship those headers so we need this compatibility header.
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* It may also work on other systems that use a Solaris-derived nsswitch
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* API.
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*/
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#ifdef NEED_HPUX_MUTEX
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# include <synch.h>
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#endif
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typedef enum {
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NSS_SUCCESS,
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NSS_NOTFOUND,
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NSS_UNAVAIL,
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NSS_TRYAGAIN
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} nss_status_t;
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typedef struct nss_db_params {
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const char *name;
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const char *config_name;
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const char *default_config;
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unsigned int max_active_per_src;
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unsigned int max_dormant_per_src;
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int flags;
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void *finders;
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void *private;
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void (*cleanup)(struct nss_db_params *);
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} nss_db_params_t;
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struct nss_groupsbymem {
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const char *username;
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gid_t *gid_array;
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int maxgids;
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int force_slow_way;
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int (*str2ent)(const char *instr, int instr_len, void *ent, char *buffer, int buflen);
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nss_status_t (*process_cstr)(const char *instr, int instr_len, struct nss_groupsbymem *);
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int numgids;
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};
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typedef struct {
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void *result; /* group struct to fill in. */
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char *buffer; /* string buffer for above */
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int buflen; /* string buffer size */
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} nss_XbyY_buf_t;
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struct nss_db_state;
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typedef struct {
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struct nss_db_state *s;
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#ifdef NEED_HPUX_MUTEX
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lwp_mutex_t lock;
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#endif
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} nss_db_root_t;
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#ifdef NEED_HPUX_MUTEX
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# define NSS_DB_ROOT_INIT { 0, LWP_MUTEX_INITIALIZER }
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#else
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# define NSS_DB_ROOT_INIT { 0 }
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#endif
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#define DEFINE_NSS_DB_ROOT(name) nss_db_root_t name = NSS_DB_ROOT_INIT
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/* Backend function to find all groups a user belongs to for initgroups(). */
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#define NSS_DBOP_GROUP_BYMEMBER 6
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/* str2ent function return values */
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#define NSS_STR_PARSE_SUCCESS 0
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#define NSS_STR_PARSE_PARSE 1
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#define NSS_STR_PARSE_ERANGE 2
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/* Max length for an /etc/group file line. */
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#define NSS_BUFLEN_GROUP 8192
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/* HP-UX uses an extra underscore for these functions. */
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#ifdef HAVE___NSS_INITF_GROUP
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# define _nss_initf_group __nss_initf_group
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#endif
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#ifdef HAVE___NSS_XBYY_BUF_ALLOC
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# define _nss_XbyY_buf_alloc __nss_XbyY_buf_alloc
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# define _nss_XbyY_buf_free __nss_XbyY_buf_free
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#endif
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typedef void (*nss_db_initf_t)(nss_db_params_t *);
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extern nss_status_t nss_search(nss_db_root_t *, nss_db_initf_t, int search_fnum, void *search_args);
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extern nss_XbyY_buf_t *_nss_XbyY_buf_alloc(int struct_size, int buffer_size);
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extern void _nss_XbyY_buf_free(nss_XbyY_buf_t *);
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#endif /* COMPAT_NSS_DBDEFS_H */
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