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-rw-r--r--nss_client/passwd.c346
1 files changed, 0 insertions, 346 deletions
diff --git a/nss_client/passwd.c b/nss_client/passwd.c
deleted file mode 100644
index 776e6cea0..000000000
--- a/nss_client/passwd.c
+++ /dev/null
@@ -1,346 +0,0 @@
-/*
- * System Security Services Daemon. NSS client interface
- *
- * Copyright (C) Simo Sorce 2007
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as
- * published by the Free Software Foundation; either version 2.1 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-/* PASSWD database NSS interface */
-
-#include <nss.h>
-#include <errno.h>
-#include <sys/types.h>
-#include <unistd.h>
-#include <stdlib.h>
-#include <stdint.h>
-#include <string.h>
-#include "sss_nss.h"
-
-static struct sss_nss_getpwent_data {
- size_t len;
- size_t ptr;
- uint8_t *data;
-} sss_nss_getpwent_data;
-
-static void sss_nss_getpwent_data_clean(void) {
-
- if (sss_nss_getpwent_data.data != NULL) {
- free(sss_nss_getpwent_data.data);
- sss_nss_getpwent_data.data = NULL;
- }
- sss_nss_getpwent_data.len = 0;
- sss_nss_getpwent_data.ptr = 0;
-}
-
-/* GETPWNAM Request:
- *
- * 0-X: string with name
- *
- * GERTPWUID Request:
- *
- * 0-7: 64bit number with uid
- *
- * Replies:
- *
- * 0-3: 32bit unsigned number of results
- * 4-7: 32bit unsigned (reserved/padding)
- * For each result:
- * 0-7: 64bit number uid
- * 8-15: 64bit number gid
- * 16-X: sequence of 5, 0 terminated, strings (name, passwd, gecos, dir, shell)
- */
-
-struct sss_nss_pw_rep {
- struct passwd *result;
- char *buffer;
- size_t buflen;
-};
-
-static int sss_nss_getpw_readrep(struct sss_nss_pw_rep *pr,
- uint8_t *buf, size_t *len)
-{
- size_t i, slen;
- char *sbuf;
- int err;
-
- if (*len < 21) { /* not enough space for data, bad packet */
- return EBADMSG;
- }
-
- pr->result->pw_uid = ((int64_t *)buf)[0];
- pr->result->pw_gid = ((int64_t *)buf)[1];
-
- sbuf = (char *)&buf[16];
- if (*len < pr->buflen) {
- slen = *len;
- err = EBADMSG;
- } else {
- slen = pr->buflen;
- err = ENOMEM;
- }
-
- pr->result->pw_name = &(pr->buffer[0]);
- i = 0;
- while (i < slen) {
- pr->buffer[i] = sbuf[i];
- if (pr->buffer[i] == '\0') break;
- i++;
- }
- if (i == slen) { /* premature end of buf */
- return err;
- }
-
- i++;
- pr->result->pw_passwd = &(pr->buffer[i]);
- while (i < slen) {
- pr->buffer[i] = sbuf[i];
- if (pr->buffer[i] == '\0') break;
- i++;
- }
- if (i == slen) { /* premature end of buf */
- return err;
- }
-
- i++;
- pr->result->pw_gecos = &(pr->buffer[i]);
- while (i < slen) {
- pr->buffer[i] = sbuf[i];
- if (pr->buffer[i] == '\0') break;
- i++;
- }
- if (i == slen) { /* premature end of buf */
- return err;
- }
-
- i++;
- pr->result->pw_dir = &(pr->buffer[i]);
- while (i < slen) {
- pr->buffer[i] = sbuf[i];
- if (pr->buffer[i] == '\0') break;
- i++;
- }
- if (i == slen) { /* premature end of buf */
- return err;
- }
-
- i++;
- pr->result->pw_shell = &(pr->buffer[i]);
- while (i < slen) {
- pr->buffer[i] = sbuf[i];
- if (pr->buffer[i] == '\0') break;
- i++;
- }
- if (pr->buffer[i] != '\0') { /* premature end of buf */
- return err;
- }
-
- *len = *len -16 -i -1;
-
- return 0;
-}
-
-enum nss_status _nss_sss_getpwnam_r(const char *name, struct passwd *result,
- char *buffer, size_t buflen, int *errnop)
-{
- struct sss_nss_req_data rd;
- struct sss_nss_pw_rep pwrep;
- uint8_t *repbuf;
- size_t replen, len;
- enum nss_status nret;
- int ret;
-
- rd.len = strlen(name) + 1;
- rd.data = name;
-
- nret = sss_nss_make_request(SSS_NSS_GETPWNAM, &rd,
- &repbuf, &replen, errnop);
- if (nret != NSS_STATUS_SUCCESS) {
- return nret;
- }
-
- pwrep.result = result;
- pwrep.buffer = buffer;
- pwrep.buflen = buflen;
-
- /* no results if not found */
- if (((uint32_t *)repbuf)[0] == 0) {
- free(repbuf);
- return NSS_STATUS_NOTFOUND;
- }
-
- /* only 1 result is accepted for this function */
- if (((uint32_t *)repbuf)[0] != 1) {
- *errnop = EBADMSG;
- return NSS_STATUS_TRYAGAIN;
- }
-
- len = replen - 8;
- ret = sss_nss_getpw_readrep(&pwrep, repbuf+8, &len);
- free(repbuf);
- if (ret) {
- *errnop = ret;
- return NSS_STATUS_TRYAGAIN;
- }
-
- return NSS_STATUS_SUCCESS;
-}
-
-enum nss_status _nss_sss_getpwuid_r(uid_t uid, struct passwd *result,
- char *buffer, size_t buflen, int *errnop)
-{
- struct sss_nss_req_data rd;
- struct sss_nss_pw_rep pwrep;
- uint8_t *repbuf;
- size_t replen, len;
- enum nss_status nret;
- int64_t user_uid;
- int ret;
-
- user_uid = uid;
- rd.len = sizeof(int64_t);
- rd.data = &user_uid;
-
- nret = sss_nss_make_request(SSS_NSS_GETPWUID, &rd,
- &repbuf, &replen, errnop);
- if (nret != NSS_STATUS_SUCCESS) {
- return nret;
- }
-
- pwrep.result = result;
- pwrep.buffer = buffer;
- pwrep.buflen = buflen;
-
- /* no results if not found */
- if (((uint32_t *)repbuf)[0] == 0) {
- free(repbuf);
- return NSS_STATUS_NOTFOUND;
- }
-
- /* only 1 result is accepted for this function */
- if (((uint32_t *)repbuf)[0] != 1) {
- *errnop = EBADMSG;
- return NSS_STATUS_TRYAGAIN;
- }
-
- len = replen - 8;
- ret = sss_nss_getpw_readrep(&pwrep, repbuf+8, &len);
- free(repbuf);
- if (ret) {
- *errnop = ret;
- return NSS_STATUS_TRYAGAIN;
- }
-
- return NSS_STATUS_SUCCESS;
-}
-
-enum nss_status _nss_sss_setpwent(void)
-{
- enum nss_status nret;
- int errnop;
-
- /* make sure we do not have leftovers, and release memory */
- sss_nss_getpwent_data_clean();
-
- nret = sss_nss_make_request(SSS_NSS_SETPWENT,
- NULL, NULL, NULL, &errnop);
- if (nret != NSS_STATUS_SUCCESS) {
- errno = errnop;
- return nret;
- }
-
- return NSS_STATUS_SUCCESS;
-}
-
-enum nss_status _nss_sss_getpwent_r(struct passwd *result,
- char *buffer, size_t buflen,
- int *errnop)
-{
- struct sss_nss_req_data rd;
- struct sss_nss_pw_rep pwrep;
- uint8_t *repbuf;
- size_t replen;
- enum nss_status nret;
- uint32_t num_entries;
- int ret;
-
- /* if there are leftovers return the next one */
- if (sss_nss_getpwent_data.data != NULL &&
- sss_nss_getpwent_data.ptr < sss_nss_getpwent_data.len) {
-
- repbuf = sss_nss_getpwent_data.data + sss_nss_getpwent_data.ptr;
- replen = sss_nss_getpwent_data.len - sss_nss_getpwent_data.ptr;
-
- pwrep.result = result;
- pwrep.buffer = buffer;
- pwrep.buflen = buflen;
-
- ret = sss_nss_getpw_readrep(&pwrep, repbuf, &replen);
- if (ret) {
- *errnop = ret;
- return NSS_STATUS_TRYAGAIN;
- }
-
- /* advance buffer pointer */
- sss_nss_getpwent_data.ptr = sss_nss_getpwent_data.len - replen;
-
- return NSS_STATUS_SUCCESS;
- }
-
- /* release memory if any */
- sss_nss_getpwent_data_clean();
-
- /* retrieve no more than SSS_NSS_MAX_ENTRIES at a time */
- num_entries = SSS_NSS_MAX_ENTRIES;
- rd.len = sizeof(uint32_t);
- rd.data = &num_entries;
-
- nret = sss_nss_make_request(SSS_NSS_GETPWENT, &rd,
- &repbuf, &replen, errnop);
- if (nret != NSS_STATUS_SUCCESS) {
- return nret;
- }
-
- /* no results if not found */
- if ((((uint32_t *)repbuf)[0] == 0) || (replen - 8 == 0)) {
- free(repbuf);
- return NSS_STATUS_NOTFOUND;
- }
-
- sss_nss_getpwent_data.data = repbuf;
- sss_nss_getpwent_data.len = replen;
- sss_nss_getpwent_data.ptr = 8; /* skip metadata fields */
-
- /* call again ourselves, this will return the first result */
- return _nss_sss_getpwent_r(result, buffer, buflen, errnop);
-}
-
-enum nss_status _nss_sss_endpwent(void)
-{
- enum nss_status nret;
- int errnop;
-
- /* make sure we do not have leftovers, and release memory */
- sss_nss_getpwent_data_clean();
-
- nret = sss_nss_make_request(SSS_NSS_ENDPWENT,
- NULL, NULL, NULL, &errnop);
- if (nret != NSS_STATUS_SUCCESS) {
- errno = errnop;
- return nret;
- }
-
- return NSS_STATUS_SUCCESS;
-}
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