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Diffstat (limited to 'include/compat/nss_dbdefs.h')
| -rw-r--r-- | include/compat/nss_dbdefs.h | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/include/compat/nss_dbdefs.h b/include/compat/nss_dbdefs.h new file mode 100644 index 0000000..726beae --- /dev/null +++ b/include/compat/nss_dbdefs.h @@ -0,0 +1,110 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 2013 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. + */ + +#ifndef COMPAT_NSS_DBDEFS_H +#define COMPAT_NSS_DBDEFS_H + +/* + * Bits of nss_dbdefs.h and nss_common.h needed to implement + * getgrouplist(3) using nss_search(3). + * + * HP-UX does not ship those headers so we need this compatibility header. + * It may also work on other systems that use a Solaris-derived nsswitch + * API. + */ + +#ifdef NEED_HPUX_MUTEX +# include <synch.h> +#endif + +typedef enum { + NSS_SUCCESS, + NSS_NOTFOUND, + NSS_UNAVAIL, + NSS_TRYAGAIN +} nss_status_t; + +typedef struct nss_db_params { + const char *name; + const char *config_name; + const char *default_config; + unsigned int max_active_per_src; + unsigned int max_dormant_per_src; + int flags; + void *finders; + void *private; + void (*cleanup)(struct nss_db_params *); +} nss_db_params_t; + +struct nss_groupsbymem { + const char *username; + gid_t *gid_array; + int maxgids; + int force_slow_way; + int (*str2ent)(const char *instr, int instr_len, void *ent, char *buffer, int buflen); + nss_status_t (*process_cstr)(const char *instr, int instr_len, struct nss_groupsbymem *); + int numgids; +}; + +typedef struct { + void *result; /* group struct to fill in. */ + char *buffer; /* string buffer for above */ + int buflen; /* string buffer size */ +} nss_XbyY_buf_t; + +struct nss_db_state; +typedef struct { + struct nss_db_state *s; +#ifdef NEED_HPUX_MUTEX + lwp_mutex_t lock; +#endif +} nss_db_root_t; + +#ifdef NEED_HPUX_MUTEX +# define NSS_DB_ROOT_INIT { 0, LWP_MUTEX_INITIALIZER } +#else +# define NSS_DB_ROOT_INIT { 0 } +#endif +#define DEFINE_NSS_DB_ROOT(name) nss_db_root_t name = NSS_DB_ROOT_INIT + +/* Backend function to find all groups a user belongs to for initgroups(). */ +#define NSS_DBOP_GROUP_BYMEMBER 6 + +/* str2ent function return values */ +#define NSS_STR_PARSE_SUCCESS 0 +#define NSS_STR_PARSE_PARSE 1 +#define NSS_STR_PARSE_ERANGE 2 + +/* Max length for an /etc/group file line. */ +#define NSS_BUFLEN_GROUP 8192 + +/* HP-UX uses an extra underscore for these functions. */ +#ifdef HAVE___NSS_INITF_GROUP +# define _nss_initf_group __nss_initf_group +#endif +#ifdef HAVE___NSS_XBYY_BUF_ALLOC +# define _nss_XbyY_buf_alloc __nss_XbyY_buf_alloc +# define _nss_XbyY_buf_free __nss_XbyY_buf_free +#endif + +typedef void (*nss_db_initf_t)(nss_db_params_t *); +extern nss_status_t nss_search(nss_db_root_t *, nss_db_initf_t, int search_fnum, void *search_args); +extern nss_XbyY_buf_t *_nss_XbyY_buf_alloc(int struct_size, int buffer_size); +extern void _nss_XbyY_buf_free(nss_XbyY_buf_t *); + +#endif /* COMPAT_NSS_DBDEFS_H */ |