diff options
Diffstat (limited to 'usr.sbin/nscd/agents/group.c')
-rw-r--r-- | usr.sbin/nscd/agents/group.c | 260 |
1 files changed, 0 insertions, 260 deletions
diff --git a/usr.sbin/nscd/agents/group.c b/usr.sbin/nscd/agents/group.c deleted file mode 100644 index 92be7ed..0000000 --- a/usr.sbin/nscd/agents/group.c +++ /dev/null @@ -1,260 +0,0 @@ -/*- - * Copyright (c) 2005 Michael Bushkov <bushman@rsu.ru> - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - */ - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include <sys/param.h> - -#include <assert.h> -#include <grp.h> -#include <nsswitch.h> -#include <stdlib.h> -#include <string.h> - -#include "../debug.h" -#include "group.h" - -static int group_marshal_func(struct group *, char *, size_t *); -static int group_lookup_func(const char *, size_t, char **, size_t *); -static void *group_mp_init_func(void); -static int group_mp_lookup_func(char **, size_t *, void *); -static void group_mp_destroy_func(void *); - -static int -group_marshal_func(struct group *grp, char *buffer, size_t *buffer_size) -{ - struct group new_grp; - size_t desired_size, size, mem_size; - char *p, **mem; - - TRACE_IN(group_marshal_func); - desired_size = ALIGNBYTES + sizeof(struct group) + sizeof(char *); - - if (grp->gr_name != NULL) - desired_size += strlen(grp->gr_name) + 1; - if (grp->gr_passwd != NULL) - desired_size += strlen(grp->gr_passwd) + 1; - - if (grp->gr_mem != NULL) { - mem_size = 0; - for (mem = grp->gr_mem; *mem; ++mem) { - desired_size += strlen(*mem) + 1; - ++mem_size; - } - - desired_size += ALIGNBYTES + (mem_size + 1) * sizeof(char *); - } - - if ((desired_size > *buffer_size) || (buffer == NULL)) { - *buffer_size = desired_size; - TRACE_OUT(group_marshal_func); - return (NS_RETURN); - } - - memcpy(&new_grp, grp, sizeof(struct group)); - memset(buffer, 0, desired_size); - - *buffer_size = desired_size; - p = buffer + sizeof(struct group) + sizeof(char *); - memcpy(buffer + sizeof(struct group), &p, sizeof(char *)); - p = (char *)ALIGN(p); - - if (new_grp.gr_name != NULL) { - size = strlen(new_grp.gr_name); - memcpy(p, new_grp.gr_name, size); - new_grp.gr_name = p; - p += size + 1; - } - - if (new_grp.gr_passwd != NULL) { - size = strlen(new_grp.gr_passwd); - memcpy(p, new_grp.gr_passwd, size); - new_grp.gr_passwd = p; - p += size + 1; - } - - if (new_grp.gr_mem != NULL) { - p = (char *)ALIGN(p); - memcpy(p, new_grp.gr_mem, sizeof(char *) * mem_size); - new_grp.gr_mem = (char **)p; - p += sizeof(char *) * (mem_size + 1); - - for (mem = new_grp.gr_mem; *mem; ++mem) { - size = strlen(*mem); - memcpy(p, *mem, size); - *mem = p; - p += size + 1; - } - } - - memcpy(buffer, &new_grp, sizeof(struct group)); - TRACE_OUT(group_marshal_func); - return (NS_SUCCESS); -} - -static int -group_lookup_func(const char *key, size_t key_size, char **buffer, - size_t *buffer_size) -{ - enum nss_lookup_type lookup_type; - char *name; - size_t size; - gid_t gid; - - struct group *result; - - TRACE_IN(group_lookup_func); - assert(buffer != NULL); - assert(buffer_size != NULL); - - if (key_size < sizeof(enum nss_lookup_type)) { - TRACE_OUT(group_lookup_func); - return (NS_UNAVAIL); - } - memcpy(&lookup_type, key, sizeof(enum nss_lookup_type)); - - switch (lookup_type) { - case nss_lt_name: - size = key_size - sizeof(enum nss_lookup_type) + 1; - name = calloc(1, size); - assert(name != NULL); - memcpy(name, key + sizeof(enum nss_lookup_type), size - 1); - break; - case nss_lt_id: - if (key_size < sizeof(enum nss_lookup_type) + - sizeof(gid_t)) { - TRACE_OUT(passwd_lookup_func); - return (NS_UNAVAIL); - } - - memcpy(&gid, key + sizeof(enum nss_lookup_type), sizeof(gid_t)); - break; - default: - TRACE_OUT(group_lookup_func); - return (NS_UNAVAIL); - } - - switch (lookup_type) { - case nss_lt_name: - TRACE_STR(name); - result = getgrnam(name); - free(name); - break; - case nss_lt_id: - result = getgrgid(gid); - break; - default: - /* SHOULD NOT BE REACHED */ - break; - } - - if (result != NULL) { - group_marshal_func(result, NULL, buffer_size); - *buffer = malloc(*buffer_size); - assert(*buffer != NULL); - group_marshal_func(result, *buffer, buffer_size); - } - - TRACE_OUT(group_lookup_func); - return (result == NULL ? NS_NOTFOUND : NS_SUCCESS); -} - -static void * -group_mp_init_func(void) -{ - TRACE_IN(group_mp_init_func); - setgrent(); - TRACE_OUT(group_mp_init_func); - - return (NULL); -} - -static int -group_mp_lookup_func(char **buffer, size_t *buffer_size, void *mdata) -{ - struct group *result; - - TRACE_IN(group_mp_lookup_func); - result = getgrent(); - if (result != NULL) { - group_marshal_func(result, NULL, buffer_size); - *buffer = malloc(*buffer_size); - assert(*buffer != NULL); - group_marshal_func(result, *buffer, buffer_size); - } - - TRACE_OUT(group_mp_lookup_func); - return (result == NULL ? NS_NOTFOUND : NS_SUCCESS); -} - -static void -group_mp_destroy_func(void *mdata) -{ - TRACE_IN(group_mp_destroy_func); - TRACE_OUT(group_mp_destroy_func); -} - -struct agent * -init_group_agent(void) -{ - struct common_agent *retval; - - TRACE_IN(init_group_agent); - retval = calloc(1, sizeof(*retval)); - assert(retval != NULL); - - retval->parent.name = strdup("group"); - assert(retval->parent.name != NULL); - - retval->parent.type = COMMON_AGENT; - retval->lookup_func = group_lookup_func; - - TRACE_OUT(init_group_agent); - return ((struct agent *)retval); -} - -struct agent * -init_group_mp_agent(void) -{ - struct multipart_agent *retval; - - TRACE_IN(init_group_mp_agent); - retval = calloc(1, - sizeof(*retval)); - assert(retval != NULL); - - retval->parent.name = strdup("group"); - retval->parent.type = MULTIPART_AGENT; - retval->mp_init_func = group_mp_init_func; - retval->mp_lookup_func = group_mp_lookup_func; - retval->mp_destroy_func = group_mp_destroy_func; - assert(retval->parent.name != NULL); - - TRACE_OUT(init_group_mp_agent); - return ((struct agent *)retval); -} |