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Diffstat (limited to 'source4/nsswitch/winbind_nss.c')
-rw-r--r--source4/nsswitch/winbind_nss.c1341
1 files changed, 0 insertions, 1341 deletions
diff --git a/source4/nsswitch/winbind_nss.c b/source4/nsswitch/winbind_nss.c
deleted file mode 100644
index 0b4c0ce1d0..0000000000
--- a/source4/nsswitch/winbind_nss.c
+++ /dev/null
@@ -1,1341 +0,0 @@
-/*
- Unix SMB/CIFS implementation.
-
- Windows NT Domain nsswitch module
-
- Copyright (C) Tim Potter 2000
-
- This library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public
- License as published by the Free Software Foundation; either
- version 2 of the License, or (at your option) any later version.
-
- This library 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
- Library General Public License for more details.
-
- You should have received a copy of the GNU Library General Public
- License along with this library; if not, write to the
- Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA.
-*/
-
-#include "winbind_client.h"
-
-#ifdef HAVE_NS_API_H
-#undef VOLATILE
-
-#include <ns_daemon.h>
-#endif
-
-#define MAX_GETPWENT_USERS 250
-#define MAX_GETGRENT_USERS 250
-
-/* Prototypes from wb_common.c */
-
-extern int winbindd_fd;
-
-
-#ifdef HAVE_NS_API_H
-/* IRIX version */
-
-static int send_next_request(nsd_file_t *, struct winbindd_request *);
-static int do_list(int state, nsd_file_t *rq);
-
-static nsd_file_t *current_rq = NULL;
-static int current_winbind_xid = 0;
-static int next_winbind_xid = 0;
-
-typedef struct winbind_xid {
- int xid;
- nsd_file_t *rq;
- struct winbindd_request *request;
- struct winbind_xid *next;
-} winbind_xid_t;
-
-static winbind_xid_t *winbind_xids = (winbind_xid_t *)0;
-
-static int
-winbind_xid_new(int xid, nsd_file_t *rq, struct winbindd_request *request)
-{
- winbind_xid_t *new;
-
- nsd_logprintf(NSD_LOG_LOW,
- "entering winbind_xid_new xid = %d rq = 0x%x, request = 0x%x\n",
- xid, rq, request);
- new = (winbind_xid_t *)nsd_calloc(1,sizeof(winbind_xid_t));
- if (!new) {
- nsd_logprintf(NSD_LOG_RESOURCE,"winbind_xid_new: failed malloc\n");
- return NSD_ERROR;
- }
-
- new->xid = xid;
- new->rq = rq;
- new->request = request;
- new->next = winbind_xids;
- winbind_xids = new;
-
- return NSD_CONTINUE;
-}
-
-/*
-** This routine will look down the xid list and return the request
-** associated with an xid. We remove the record if it is found.
-*/
-nsd_file_t *
-winbind_xid_lookup(int xid, struct winbindd_request **requestp)
-{
- winbind_xid_t **last, *dx;
- nsd_file_t *result=0;
-
- for (last = &winbind_xids, dx = winbind_xids; dx && (dx->xid != xid);
- last = &dx->next, dx = dx->next);
- if (dx) {
- *last = dx->next;
- result = dx->rq;
- *requestp = dx->request;
- SAFE_FREE(dx);
- }
- nsd_logprintf(NSD_LOG_LOW,
- "entering winbind_xid_lookup xid = %d rq = 0x%x, request = 0x%x\n",
- xid, result, dx->request);
-
- return result;
-}
-
-static int
-winbind_startnext_timeout(nsd_file_t **rqp, nsd_times_t *to)
-{
- nsd_file_t *rq;
- struct winbindd_request *request;
-
- nsd_logprintf(NSD_LOG_MIN, "timeout (winbind startnext)\n");
- rq = to->t_file;
- *rqp = rq;
- nsd_timeout_remove(rq);
- request = to->t_clientdata;
- return(send_next_request(rq, request));
-}
-
-static void
-dequeue_request()
-{
- nsd_file_t *rq;
- struct winbindd_request *request;
-
- /*
- * Check for queued requests
- */
- if (winbind_xids) {
- nsd_logprintf(NSD_LOG_MIN, "timeout (winbind) unqueue xid %d\n",
- current_winbind_xid);
- rq = winbind_xid_lookup(current_winbind_xid++, &request);
- /* cause a timeout on the queued request so we can send it */
- nsd_timeout_new(rq,1,winbind_startnext_timeout,request);
- }
-}
-
-static int
-do_request(nsd_file_t *rq, struct winbindd_request *request)
-{
- if (winbind_xids == NULL) {
- /*
- * No outstanding requests.
- * Send off the request to winbindd
- */
- nsd_logprintf(NSD_LOG_MIN, "lookup (winbind) sending request\n");
- return(send_next_request(rq, request));
- } else {
- /*
- * Just queue it up for now - previous callout or timout
- * will start it up
- */
- nsd_logprintf(NSD_LOG_MIN,
- "lookup (winbind): queue request xid = %d\n",
- next_winbind_xid);
- return(winbind_xid_new(next_winbind_xid++, rq, request));
- }
-}
-
-static int
-winbind_callback(nsd_file_t **rqp, int fd)
-{
- struct winbindd_response response;
- struct winbindd_pw *pw = &response.data.pw;
- struct winbindd_gr *gr = &response.data.gr;
- nsd_file_t *rq;
- NSS_STATUS status;
- fstring result;
- char *members;
- int i, maxlen;
-
- dequeue_request();
-
- nsd_logprintf(NSD_LOG_MIN, "entering callback (winbind)\n");
-
- rq = current_rq;
- *rqp = rq;
-
- nsd_timeout_remove(rq);
- nsd_callback_remove(fd);
-
- ZERO_STRUCT(response);
- status = winbindd_get_response(&response);
-
- if (status != NSS_STATUS_SUCCESS) {
- /* free any extra data area in response structure */
- free_response(&response);
- nsd_logprintf(NSD_LOG_MIN,
- "callback (winbind) returning not found, status = %d\n",
- status);
- rq->f_status = NS_NOTFOUND;
- return NSD_NEXT;
- }
-
- maxlen = sizeof(result) - 1;
-
- switch ((int)rq->f_cmd_data) {
- case WINBINDD_WINS_BYNAME:
- case WINBINDD_WINS_BYIP:
- snprintf(result,maxlen,"%s\n",response.data.winsresp);
- break;
- case WINBINDD_GETPWUID:
- case WINBINDD_GETPWNAM:
- snprintf(result,maxlen,"%s:%s:%d:%d:%s:%s:%s\n",
- pw->pw_name,
- pw->pw_passwd,
- pw->pw_uid,
- pw->pw_gid,
- pw->pw_gecos,
- pw->pw_dir,
- pw->pw_shell);
- break;
- case WINBINDD_GETGRNAM:
- case WINBINDD_GETGRGID:
- if (gr->num_gr_mem && response.extra_data)
- members = response.extra_data;
- else
- members = "";
- snprintf(result,maxlen,"%s:%s:%d:%s\n",
- gr->gr_name, gr->gr_passwd, gr->gr_gid, members);
- break;
- case WINBINDD_SETGRENT:
- case WINBINDD_SETPWENT:
- nsd_logprintf(NSD_LOG_MIN, "callback (winbind) - SETPWENT/SETGRENT\n");
- free_response(&response);
- return(do_list(1,rq));
- case WINBINDD_GETGRENT:
- case WINBINDD_GETGRLST:
- nsd_logprintf(NSD_LOG_MIN,
- "callback (winbind) - %d GETGRENT responses\n",
- response.data.num_entries);
- if (response.data.num_entries) {
- gr = (struct winbindd_gr *)response.extra_data;
- if (! gr ) {
- nsd_logprintf(NSD_LOG_MIN, " no extra_data\n");
- free_response(&response);
- return NSD_ERROR;
- }
- members = (char *)response.extra_data +
- (response.data.num_entries * sizeof(struct winbindd_gr));
- for (i = 0; i < response.data.num_entries; i++) {
- snprintf(result,maxlen,"%s:%s:%d:%s\n",
- gr->gr_name, gr->gr_passwd, gr->gr_gid,
- &members[gr->gr_mem_ofs]);
- nsd_logprintf(NSD_LOG_MIN, " GETGRENT %s\n",result);
- nsd_append_element(rq,NS_SUCCESS,result,strlen(result));
- gr++;
- }
- }
- i = response.data.num_entries;
- free_response(&response);
- if (i < MAX_GETPWENT_USERS)
- return(do_list(2,rq));
- else
- return(do_list(1,rq));
- case WINBINDD_GETPWENT:
- nsd_logprintf(NSD_LOG_MIN,
- "callback (winbind) - %d GETPWENT responses\n",
- response.data.num_entries);
- if (response.data.num_entries) {
- pw = (struct winbindd_pw *)response.extra_data;
- if (! pw ) {
- nsd_logprintf(NSD_LOG_MIN, " no extra_data\n");
- free_response(&response);
- return NSD_ERROR;
- }
- for (i = 0; i < response.data.num_entries; i++) {
- snprintf(result,maxlen,"%s:%s:%d:%d:%s:%s:%s",
- pw->pw_name,
- pw->pw_passwd,
- pw->pw_uid,
- pw->pw_gid,
- pw->pw_gecos,
- pw->pw_dir,
- pw->pw_shell);
- nsd_logprintf(NSD_LOG_MIN, " GETPWENT %s\n",result);
- nsd_append_element(rq,NS_SUCCESS,result,strlen(result));
- pw++;
- }
- }
- i = response.data.num_entries;
- free_response(&response);
- if (i < MAX_GETPWENT_USERS)
- return(do_list(2,rq));
- else
- return(do_list(1,rq));
- case WINBINDD_ENDGRENT:
- case WINBINDD_ENDPWENT:
- nsd_logprintf(NSD_LOG_MIN, "callback (winbind) - ENDPWENT/ENDGRENT\n");
- nsd_append_element(rq,NS_SUCCESS,"\n",1);
- free_response(&response);
- return NSD_NEXT;
- default:
- free_response(&response);
- nsd_logprintf(NSD_LOG_MIN, "callback (winbind) - no valid command\n");
- return NSD_NEXT;
- }
- nsd_logprintf(NSD_LOG_MIN, "callback (winbind) %s\n", result);
- /* free any extra data area in response structure */
- free_response(&response);
- nsd_set_result(rq,NS_SUCCESS,result,strlen(result),VOLATILE);
- return NSD_OK;
-}
-
-static int
-winbind_timeout(nsd_file_t **rqp, nsd_times_t *to)
-{
- nsd_file_t *rq;
-
- dequeue_request();
-
- nsd_logprintf(NSD_LOG_MIN, "timeout (winbind)\n");
-
- rq = to->t_file;
- *rqp = rq;
-
- /* Remove the callback and timeout */
- nsd_callback_remove(winbindd_fd);
- nsd_timeout_remove(rq);
-
- rq->f_status = NS_NOTFOUND;
- return NSD_NEXT;
-}
-
-static int
-send_next_request(nsd_file_t *rq, struct winbindd_request *request)
-{
- NSS_STATUS status;
- long timeout;
-
- timeout = 1000;
-
- nsd_logprintf(NSD_LOG_MIN, "send_next_request (winbind) %d to = %d\n",
- rq->f_cmd_data, timeout);
- status = winbindd_send_request((int)rq->f_cmd_data,request);
- SAFE_FREE(request);
-
- if (status != NSS_STATUS_SUCCESS) {
- nsd_logprintf(NSD_LOG_MIN,
- "send_next_request (winbind) error status = %d\n",status);
- rq->f_status = status;
- return NSD_NEXT;
- }
-
- current_rq = rq;
-
- /*
- * Set up callback and timeouts
- */
- nsd_logprintf(NSD_LOG_MIN, "send_next_request (winbind) fd = %d\n",winbindd_fd);
- nsd_callback_new(winbindd_fd,winbind_callback,NSD_READ);
- nsd_timeout_new(rq,timeout,winbind_timeout,(void *)0);
- return NSD_CONTINUE;
-}
-
-int init(void)
-{
- nsd_logprintf(NSD_LOG_MIN, "entering init (winbind)\n");
- return(NSD_OK);
-}
-
-int lookup(nsd_file_t *rq)
-{
- char *map;
- char *key;
- struct winbindd_request *request;
-
- nsd_logprintf(NSD_LOG_MIN, "entering lookup (winbind)\n");
- if (! rq)
- return NSD_ERROR;
-
- map = nsd_attr_fetch_string(rq->f_attrs, "table", (char*)0);
- key = nsd_attr_fetch_string(rq->f_attrs, "key", (char*)0);
- if (! map || ! key) {
- nsd_logprintf(NSD_LOG_MIN, "lookup (winbind) table or key not defined\n");
- rq->f_status = NS_BADREQ;
- return NSD_ERROR;
- }
-
- nsd_logprintf(NSD_LOG_MIN, "lookup (winbind %s)\n",map);
-
- request = (struct winbindd_request *)nsd_calloc(1,sizeof(struct winbindd_request));
- if (! request) {
- nsd_logprintf(NSD_LOG_RESOURCE,
- "lookup (winbind): failed malloc\n");
- return NSD_ERROR;
- }
-
- if (strcasecmp(map,"passwd.byuid") == 0) {
- request->data.uid = atoi(key);
- rq->f_cmd_data = (void *)WINBINDD_GETPWUID;
- } else if (strcasecmp(map,"passwd.byname") == 0) {
- strncpy(request->data.username, key,
- sizeof(request->data.username) - 1);
- request->data.username[sizeof(request->data.username) - 1] = '\0';
- rq->f_cmd_data = (void *)WINBINDD_GETPWNAM;
- } else if (strcasecmp(map,"group.byname") == 0) {
- strncpy(request->data.groupname, key,
- sizeof(request->data.groupname) - 1);
- request->data.groupname[sizeof(request->data.groupname) - 1] = '\0';
- rq->f_cmd_data = (void *)WINBINDD_GETGRNAM;
- } else if (strcasecmp(map,"group.bygid") == 0) {
- request->data.gid = atoi(key);
- rq->f_cmd_data = (void *)WINBINDD_GETGRGID;
- } else if (strcasecmp(map,"hosts.byname") == 0) {
- strncpy(request->data.winsreq, key, sizeof(request->data.winsreq) - 1);
- request->data.winsreq[sizeof(request->data.winsreq) - 1] = '\0';
- rq->f_cmd_data = (void *)WINBINDD_WINS_BYNAME;
- } else if (strcasecmp(map,"hosts.byaddr") == 0) {
- strncpy(request->data.winsreq, key, sizeof(request->data.winsreq) - 1);
- request->data.winsreq[sizeof(request->data.winsreq) - 1] = '\0';
- rq->f_cmd_data = (void *)WINBINDD_WINS_BYIP;
- } else {
- /*
- * Don't understand this map - just return not found
- */
- nsd_logprintf(NSD_LOG_MIN, "lookup (winbind) unknown table\n");
- SAFE_FREE(request);
- rq->f_status = NS_NOTFOUND;
- return NSD_NEXT;
- }
-
- return(do_request(rq, request));
-}
-
-int list(nsd_file_t *rq)
-{
- char *map;
-
- nsd_logprintf(NSD_LOG_MIN, "entering list (winbind)\n");
- if (! rq)
- return NSD_ERROR;
-
- map = nsd_attr_fetch_string(rq->f_attrs, "table", (char*)0);
- if (! map ) {
- nsd_logprintf(NSD_LOG_MIN, "list (winbind) table not defined\n");
- rq->f_status = NS_BADREQ;
- return NSD_ERROR;
- }
-
- nsd_logprintf(NSD_LOG_MIN, "list (winbind %s)\n",map);
-
- return (do_list(0,rq));
-}
-
-static int
-do_list(int state, nsd_file_t *rq)
-{
- char *map;
- struct winbindd_request *request;
-
- nsd_logprintf(NSD_LOG_MIN, "entering do_list (winbind) state = %d\n",state);
-
- map = nsd_attr_fetch_string(rq->f_attrs, "table", (char*)0);
- request = (struct winbindd_request *)nsd_calloc(1,sizeof(struct winbindd_request));
- if (! request) {
- nsd_logprintf(NSD_LOG_RESOURCE,
- "do_list (winbind): failed malloc\n");
- return NSD_ERROR;
- }
-
- if (strcasecmp(map,"passwd.byname") == 0) {
- switch (state) {
- case 0:
- rq->f_cmd_data = (void *)WINBINDD_SETPWENT;
- break;
- case 1:
- request->data.num_entries = MAX_GETPWENT_USERS;
- rq->f_cmd_data = (void *)WINBINDD_GETPWENT;
- break;
- case 2:
- rq->f_cmd_data = (void *)WINBINDD_ENDPWENT;
- break;
- default:
- nsd_logprintf(NSD_LOG_MIN, "do_list (winbind) unknown state\n");
- SAFE_FREE(request);
- rq->f_status = NS_NOTFOUND;
- return NSD_NEXT;
- }
- } else if (strcasecmp(map,"group.byname") == 0) {
- switch (state) {
- case 0:
- rq->f_cmd_data = (void *)WINBINDD_SETGRENT;
- break;
- case 1:
- request->data.num_entries = MAX_GETGRENT_USERS;
- rq->f_cmd_data = (void *)WINBINDD_GETGRENT;
- break;
- case 2:
- rq->f_cmd_data = (void *)WINBINDD_ENDGRENT;
- break;
- default:
- nsd_logprintf(NSD_LOG_MIN, "do_list (winbind) unknown state\n");
- SAFE_FREE(request);
- rq->f_status = NS_NOTFOUND;
- return NSD_NEXT;
- }
- } else {
- /*
- * Don't understand this map - just return not found
- */
- nsd_logprintf(NSD_LOG_MIN, "do_list (winbind) unknown table\n");
- SAFE_FREE(request);
- rq->f_status = NS_NOTFOUND;
- return NSD_NEXT;
- }
-
- return(do_request(rq, request));
-}
-
-#else
-
-/* Allocate some space from the nss static buffer. The buffer and buflen
- are the pointers passed in by the C library to the _nss_ntdom_*
- functions. */
-
-static char *get_static(char **buffer, int *buflen, int len)
-{
- char *result;
-
- /* Error check. We return false if things aren't set up right, or
- there isn't enough buffer space left. */
-
- if ((buffer == NULL) || (buflen == NULL) || (*buflen < len)) {
- return NULL;
- }
-
- /* Return an index into the static buffer */
-
- result = *buffer;
- *buffer += len;
- *buflen -= len;
-
- return result;
-}
-
-/* I've copied the strtok() replacement function next_token() from
- lib/util_str.c as I really don't want to have to link in any other
- objects if I can possibly avoid it. */
-
-BOOL next_token(char **ptr,char *buff,char *sep, size_t bufsize)
-{
- char *s;
- BOOL quoted;
- size_t len=1;
-
- if (!ptr) return(False);
-
- s = *ptr;
-
- /* default to simple separators */
- if (!sep) sep = " \t\n\r";
-
- /* find the first non sep char */
- while (*s && strchr(sep,*s)) s++;
-
- /* nothing left? */
- if (! *s) return(False);
-
- /* copy over the token */
- for (quoted = False; len < bufsize && *s && (quoted || !strchr(sep,*s)); s++) {
- if (*s == '\"') {
- quoted = !quoted;
- } else {
- len++;
- *buff++ = *s;
- }
- }
-
- *ptr = (*s) ? s+1 : s;
- *buff = 0;
-
- return(True);
-}
-
-
-/* Fill a pwent structure from a winbindd_response structure. We use
- the static data passed to us by libc to put strings and stuff in.
- Return NSS_STATUS_TRYAGAIN if we run out of memory. */
-
-static NSS_STATUS fill_pwent(struct passwd *result,
- struct winbindd_pw *pw,
- char **buffer, size_t *buflen)
-{
- /* User name */
-
- if ((result->pw_name =
- get_static(buffer, buflen, strlen(pw->pw_name) + 1)) == NULL) {
-
- /* Out of memory */
-
- return NSS_STATUS_TRYAGAIN;
- }
-
- strcpy(result->pw_name, pw->pw_name);
-
- /* Password */
-
- if ((result->pw_passwd =
- get_static(buffer, buflen, strlen(pw->pw_passwd) + 1)) == NULL) {
-
- /* Out of memory */
-
- return NSS_STATUS_TRYAGAIN;
- }
-
- strcpy(result->pw_passwd, pw->pw_passwd);
-
- /* [ug]id */
-
- result->pw_uid = pw->pw_uid;
- result->pw_gid = pw->pw_gid;
-
- /* GECOS */
-
- if ((result->pw_gecos =
- get_static(buffer, buflen, strlen(pw->pw_gecos) + 1)) == NULL) {
-
- /* Out of memory */
-
- return NSS_STATUS_TRYAGAIN;
- }
-
- strcpy(result->pw_gecos, pw->pw_gecos);
-
- /* Home directory */
-
- if ((result->pw_dir =
- get_static(buffer, buflen, strlen(pw->pw_dir) + 1)) == NULL) {
-
- /* Out of memory */
-
- return NSS_STATUS_TRYAGAIN;
- }
-
- strcpy(result->pw_dir, pw->pw_dir);
-
- /* Logon shell */
-
- if ((result->pw_shell =
- get_static(buffer, buflen, strlen(pw->pw_shell) + 1)) == NULL) {
-
- /* Out of memory */
-
- return NSS_STATUS_TRYAGAIN;
- }
-
- strcpy(result->pw_shell, pw->pw_shell);
-
- /* The struct passwd for Solaris has some extra fields which must
- be initialised or nscd crashes. */
-
-#if HAVE_PASSWD_PW_COMMENT
- result->pw_comment = "";
-#endif
-
-#if HAVE_PASSWD_PW_AGE
- result->pw_age = "";
-#endif
-
- return NSS_STATUS_SUCCESS;
-}
-
-/* Fill a grent structure from a winbindd_response structure. We use
- the static data passed to us by libc to put strings and stuff in.
- Return NSS_STATUS_TRYAGAIN if we run out of memory. */
-
-static NSS_STATUS fill_grent(struct group *result, struct winbindd_gr *gr,
- char *gr_mem, char **buffer, size_t *buflen)
-{
- fstring name;
- int i;
- char *tst;
-
- /* Group name */
-
- if ((result->gr_name =
- get_static(buffer, buflen, strlen(gr->gr_name) + 1)) == NULL) {
-
- /* Out of memory */
-
- return NSS_STATUS_TRYAGAIN;
- }
-
- strcpy(result->gr_name, gr->gr_name);
-
- /* Password */
-
- if ((result->gr_passwd =
- get_static(buffer, buflen, strlen(gr->gr_passwd) + 1)) == NULL) {
-
- /* Out of memory */
-
- return NSS_STATUS_TRYAGAIN;
- }
-
- strcpy(result->gr_passwd, gr->gr_passwd);
-
- /* gid */
-
- result->gr_gid = gr->gr_gid;
-
- /* Group membership */
-
- if ((gr->num_gr_mem < 0) || !gr_mem) {
- gr->num_gr_mem = 0;
- }
-
- /* this next value is a pointer to a pointer so let's align it */
-
- /* Calculate number of extra bytes needed to align on pointer size boundry */
- if ((i = (unsigned long)(*buffer) % sizeof(char*)) != 0)
- i = sizeof(char*) - i;
-
- if ((tst = get_static(buffer, buflen, ((gr->num_gr_mem + 1) *
- sizeof(char *)+i))) == NULL) {
-
- /* Out of memory */
-
- return NSS_STATUS_TRYAGAIN;
- }
- result->gr_mem = (char **)(tst + i);
-
- if (gr->num_gr_mem == 0) {
-
- /* Group is empty */
-
- *(result->gr_mem) = NULL;
- return NSS_STATUS_SUCCESS;
- }
-
- /* Start looking at extra data */
-
- i = 0;
-
- while(next_token((char **)&gr_mem, name, ",", sizeof(fstring))) {
-
- /* Allocate space for member */
-
- if (((result->gr_mem)[i] =
- get_static(buffer, buflen, strlen(name) + 1)) == NULL) {
-
- /* Out of memory */
-
- return NSS_STATUS_TRYAGAIN;
- }
-
- strcpy((result->gr_mem)[i], name);
- i++;
- }
-
- /* Terminate list */
-
- (result->gr_mem)[i] = NULL;
-
- return NSS_STATUS_SUCCESS;
-}
-
-/*
- * NSS user functions
- */
-
-static struct winbindd_response getpwent_response;
-
-static int ndx_pw_cache; /* Current index into pwd cache */
-static int num_pw_cache; /* Current size of pwd cache */
-
-/* Rewind "file pointer" to start of ntdom password database */
-
-NSS_STATUS
-_nss_winbind_setpwent(void)
-{
-#ifdef DEBUG_NSS
- fprintf(stderr, "[%5d]: setpwent\n", getpid());
-#endif
-
- if (num_pw_cache > 0) {
- ndx_pw_cache = num_pw_cache = 0;
- free_response(&getpwent_response);
- }
-
- return winbindd_request(WINBINDD_SETPWENT, NULL, NULL);
-}
-
-/* Close ntdom password database "file pointer" */
-
-NSS_STATUS
-_nss_winbind_endpwent(void)
-{
-#ifdef DEBUG_NSS
- fprintf(stderr, "[%5d]: endpwent\n", getpid());
-#endif
-
- if (num_pw_cache > 0) {
- ndx_pw_cache = num_pw_cache = 0;
- free_response(&getpwent_response);
- }
-
- return winbindd_request(WINBINDD_ENDPWENT, NULL, NULL);
-}
-
-/* Fetch the next password entry from ntdom password database */
-
-NSS_STATUS
-_nss_winbind_getpwent_r(struct passwd *result, char *buffer,
- size_t buflen, int *errnop)
-{
- NSS_STATUS ret;
- struct winbindd_request request;
- static int called_again;
-
-#ifdef DEBUG_NSS
- fprintf(stderr, "[%5d]: getpwent\n", getpid());
-#endif
-
- /* Return an entry from the cache if we have one, or if we are
- called again because we exceeded our static buffer. */
-
- if ((ndx_pw_cache < num_pw_cache) || called_again) {
- goto return_result;
- }
-
- /* Else call winbindd to get a bunch of entries */
-
- if (num_pw_cache > 0) {
- free_response(&getpwent_response);
- }
-
- ZERO_STRUCT(request);
- ZERO_STRUCT(getpwent_response);
-
- request.data.num_entries = MAX_GETPWENT_USERS;
-
- ret = winbindd_request(WINBINDD_GETPWENT, &request,
- &getpwent_response);
-
- if (ret == NSS_STATUS_SUCCESS) {
- struct winbindd_pw *pw_cache;
-
- /* Fill cache */
-
- ndx_pw_cache = 0;
- num_pw_cache = getpwent_response.data.num_entries;
-
- /* Return a result */
-
- return_result:
-
- pw_cache = getpwent_response.extra_data;
-
- /* Check data is valid */
-
- if (pw_cache == NULL) {
- return NSS_STATUS_NOTFOUND;
- }
-
- ret = fill_pwent(result, &pw_cache[ndx_pw_cache],
- &buffer, &buflen);
-
- /* Out of memory - try again */
-
- if (ret == NSS_STATUS_TRYAGAIN) {
- called_again = True;
- *errnop = errno = ERANGE;
- return ret;
- }
-
- *errnop = errno = 0;
- called_again = False;
- ndx_pw_cache++;
-
- /* If we've finished with this lot of results free cache */
-
- if (ndx_pw_cache == num_pw_cache) {
- ndx_pw_cache = num_pw_cache = 0;
- free_response(&getpwent_response);
- }
- }
-
- return ret;
-}
-
-/* Return passwd struct from uid */
-
-NSS_STATUS
-_nss_winbind_getpwuid_r(uid_t uid, struct passwd *result, char *buffer,
- size_t buflen, int *errnop)
-{
- NSS_STATUS ret;
- static struct winbindd_response response;
- struct winbindd_request request;
- static int keep_response=0;
-
- /* If our static buffer needs to be expanded we are called again */
- if (!keep_response) {
-
- /* Call for the first time */
-
- ZERO_STRUCT(response);
- ZERO_STRUCT(request);
-
- request.data.uid = uid;
-
- ret = winbindd_request(WINBINDD_GETPWUID, &request, &response);
-
- if (ret == NSS_STATUS_SUCCESS) {
- ret = fill_pwent(result, &response.data.pw,
- &buffer, &buflen);
-
- if (ret == NSS_STATUS_TRYAGAIN) {
- keep_response = True;
- *errnop = errno = ERANGE;
- return ret;
- }
- }
-
- } else {
-
- /* We've been called again */
-
- ret = fill_pwent(result, &response.data.pw, &buffer, &buflen);
-
- if (ret == NSS_STATUS_TRYAGAIN) {
- keep_response = True;
- *errnop = errno = ERANGE;
- return ret;
- }
-
- keep_response = False;
- *errnop = errno = 0;
- }
-
- free_response(&response);
- return ret;
-}
-
-/* Return passwd struct from username */
-
-NSS_STATUS
-_nss_winbind_getpwnam_r(const char *name, struct passwd *result, char *buffer,
- size_t buflen, int *errnop)
-{
- NSS_STATUS ret;
- static struct winbindd_response response;
- struct winbindd_request request;
- static int keep_response;
-
-#ifdef DEBUG_NSS
- fprintf(stderr, "[%5d]: getpwnam %s\n", getpid(), name);
-#endif
-
- /* If our static buffer needs to be expanded we are called again */
-
- if (!keep_response) {
-
- /* Call for the first time */
-
- ZERO_STRUCT(response);
- ZERO_STRUCT(request);
-
- strncpy(request.data.username, name,
- sizeof(request.data.username) - 1);
- request.data.username
- [sizeof(request.data.username) - 1] = '\0';
-
- ret = winbindd_request(WINBINDD_GETPWNAM, &request, &response);
-
- if (ret == NSS_STATUS_SUCCESS) {
- ret = fill_pwent(result, &response.data.pw, &buffer,
- &buflen);
-
- if (ret == NSS_STATUS_TRYAGAIN) {
- keep_response = True;
- *errnop = errno = ERANGE;
- return ret;
- }
- }
-
- } else {
-
- /* We've been called again */
-
- ret = fill_pwent(result, &response.data.pw, &buffer, &buflen);
-
- if (ret == NSS_STATUS_TRYAGAIN) {
- keep_response = True;
- *errnop = errno = ERANGE;
- return ret;
- }
-
- keep_response = False;
- *errnop = errno = 0;
- }
-
- free_response(&response);
- return ret;
-}
-
-/*
- * NSS group functions
- */
-
-static struct winbindd_response getgrent_response;
-
-static int ndx_gr_cache; /* Current index into grp cache */
-static int num_gr_cache; /* Current size of grp cache */
-
-/* Rewind "file pointer" to start of ntdom group database */
-
-NSS_STATUS
-_nss_winbind_setgrent(void)
-{
-#ifdef DEBUG_NSS
- fprintf(stderr, "[%5d]: setgrent\n", getpid());
-#endif
-
- if (num_gr_cache > 0) {
- ndx_gr_cache = num_gr_cache = 0;
- free_response(&getgrent_response);
- }
-
- return winbindd_request(WINBINDD_SETGRENT, NULL, NULL);
-}
-
-/* Close "file pointer" for ntdom group database */
-
-NSS_STATUS
-_nss_winbind_endgrent(void)
-{
-#ifdef DEBUG_NSS
- fprintf(stderr, "[%5d]: endgrent\n", getpid());
-#endif
-
- if (num_gr_cache > 0) {
- ndx_gr_cache = num_gr_cache = 0;
- free_response(&getgrent_response);
- }
-
- return winbindd_request(WINBINDD_ENDGRENT, NULL, NULL);
-}
-
-/* Get next entry from ntdom group database */
-
-static NSS_STATUS
-winbind_getgrent(enum winbindd_cmd cmd,
- struct group *result,
- char *buffer, size_t buflen, int *errnop)
-{
- NSS_STATUS ret;
- static struct winbindd_request request;
- static int called_again;
-
-
-#ifdef DEBUG_NSS
- fprintf(stderr, "[%5d]: getgrent\n", getpid());
-#endif
-
- /* Return an entry from the cache if we have one, or if we are
- called again because we exceeded our static buffer. */
-
- if ((ndx_gr_cache < num_gr_cache) || called_again) {
- goto return_result;
- }
-
- /* Else call winbindd to get a bunch of entries */
-
- if (num_gr_cache > 0) {
- free_response(&getgrent_response);
- }
-
- ZERO_STRUCT(request);
- ZERO_STRUCT(getgrent_response);
-
- request.data.num_entries = MAX_GETGRENT_USERS;
-
- ret = winbindd_request(cmd, &request,
- &getgrent_response);
-
- if (ret == NSS_STATUS_SUCCESS) {
- struct winbindd_gr *gr_cache;
- int mem_ofs;
-
- /* Fill cache */
-
- ndx_gr_cache = 0;
- num_gr_cache = getgrent_response.data.num_entries;
-
- /* Return a result */
-
- return_result:
-
- gr_cache = getgrent_response.extra_data;
-
- /* Check data is valid */
-
- if (gr_cache == NULL) {
- return NSS_STATUS_NOTFOUND;
- }
-
- /* Fill group membership. The offset into the extra data
- for the group membership is the reported offset plus the
- size of all the winbindd_gr records returned. */
-
- mem_ofs = gr_cache[ndx_gr_cache].gr_mem_ofs +
- num_gr_cache * sizeof(struct winbindd_gr);
-
- ret = fill_grent(result, &gr_cache[ndx_gr_cache],
- ((char *)getgrent_response.extra_data)+mem_ofs,
- &buffer, &buflen);
-
- /* Out of memory - try again */
-
- if (ret == NSS_STATUS_TRYAGAIN) {
- called_again = True;
- *errnop = errno = ERANGE;
- return ret;
- }
-
- *errnop = 0;
- called_again = False;
- ndx_gr_cache++;
-
- /* If we've finished with this lot of results free cache */
-
- if (ndx_gr_cache == num_gr_cache) {
- ndx_gr_cache = num_gr_cache = 0;
- free_response(&getgrent_response);
- }
- }
-
- return ret;
-}
-
-
-NSS_STATUS
-_nss_winbind_getgrent_r(struct group *result,
- char *buffer, size_t buflen, int *errnop)
-{
- return winbind_getgrent(WINBINDD_GETGRENT, result, buffer, buflen, errnop);
-}
-
-NSS_STATUS
-_nss_winbind_getgrlst_r(struct group *result,
- char *buffer, size_t buflen, int *errnop)
-{
- return winbind_getgrent(WINBINDD_GETGRLST, result, buffer, buflen, errnop);
-}
-
-/* Return group struct from group name */
-
-NSS_STATUS
-_nss_winbind_getgrnam_r(const char *name,
- struct group *result, char *buffer,
- size_t buflen, int *errnop)
-{
- NSS_STATUS ret;
- static struct winbindd_response response;
- struct winbindd_request request;
- static int keep_response;
-
-#ifdef DEBUG_NSS
- fprintf(stderr, "[%5d]: getgrnam %s\n", getpid(), name);
-#endif
-
- /* If our static buffer needs to be expanded we are called again */
-
- if (!keep_response) {
-
- /* Call for the first time */
-
- ZERO_STRUCT(request);
- ZERO_STRUCT(response);
-
- strncpy(request.data.groupname, name,
- sizeof(request.data.groupname));
- request.data.groupname
- [sizeof(request.data.groupname) - 1] = '\0';
-
- ret = winbindd_request(WINBINDD_GETGRNAM, &request, &response);
-
- if (ret == NSS_STATUS_SUCCESS) {
- ret = fill_grent(result, &response.data.gr,
- response.extra_data,
- &buffer, &buflen);
-
- if (ret == NSS_STATUS_TRYAGAIN) {
- keep_response = True;
- *errnop = errno = ERANGE;
- return ret;
- }
- }
-
- } else {
-
- /* We've been called again */
-
- ret = fill_grent(result, &response.data.gr,
- response.extra_data, &buffer, &buflen);
-
- if (ret == NSS_STATUS_TRYAGAIN) {
- keep_response = True;
- *errnop = errno = ERANGE;
- return ret;
- }
-
- keep_response = False;
- *errnop = 0;
- }
-
- free_response(&response);
- return ret;
-}
-
-/* Return group struct from gid */
-
-NSS_STATUS
-_nss_winbind_getgrgid_r(gid_t gid,
- struct group *result, char *buffer,
- size_t buflen, int *errnop)
-{
- NSS_STATUS ret;
- static struct winbindd_response response;
- struct winbindd_request request;
- static int keep_response;
-
-#ifdef DEBUG_NSS
- fprintf(stderr, "[%5d]: getgrgid %d\n", getpid(), gid);
-#endif
-
- /* If our static buffer needs to be expanded we are called again */
-
- if (!keep_response) {
-
- /* Call for the first time */
-
- ZERO_STRUCT(request);
- ZERO_STRUCT(response);
-
- request.data.gid = gid;
-
- ret = winbindd_request(WINBINDD_GETGRGID, &request, &response);
-
- if (ret == NSS_STATUS_SUCCESS) {
-
- ret = fill_grent(result, &response.data.gr,
- response.extra_data,
- &buffer, &buflen);
-
- if (ret == NSS_STATUS_TRYAGAIN) {
- keep_response = True;
- *errnop = errno = ERANGE;
- return ret;
- }
- }
-
- } else {
-
- /* We've been called again */
-
- ret = fill_grent(result, &response.data.gr,
- response.extra_data, &buffer, &buflen);
-
- if (ret == NSS_STATUS_TRYAGAIN) {
- keep_response = True;
- *errnop = errno = ERANGE;
- return ret;
- }
-
- keep_response = False;
- *errnop = 0;
- }
-
- free_response(&response);
- return ret;
-}
-
-/* Initialise supplementary groups */
-
-NSS_STATUS
-_nss_winbind_initgroups_dyn(char *user, gid_t group, long int *start,
- long int *size, gid_t **groups, long int limit,
- int *errnop)
-{
- NSS_STATUS ret;
- struct winbindd_request request;
- struct winbindd_response response;
- int i;
-
-#ifdef DEBUG_NSS
- fprintf(stderr, "[%5d]: initgroups %s (%d)\n", getpid(),
- user, group);
-#endif
-
- ZERO_STRUCT(request);
- ZERO_STRUCT(response);
-
- strncpy(request.data.username, user,
- sizeof(request.data.username) - 1);
-
- ret = winbindd_request(WINBINDD_GETGROUPS, &request, &response);
-
- if (ret == NSS_STATUS_SUCCESS) {
- int num_gids = response.data.num_entries;
- gid_t *gid_list = (gid_t *)response.extra_data;
-
- /* Copy group list to client */
-
- for (i = 0; i < num_gids; i++) {
-
- /* Skip primary group */
-
- if (gid_list[i] == group) continue;
-
- /* Add to buffer */
-
- if (*start == *size && limit <= 0) {
- (*groups) = realloc(
- (*groups), (2 * (*size) + 1) * sizeof(**groups));
- if (! *groups) goto done;
- *size = 2 * (*size) + 1;
- }
-
- if (*start == *size) goto done;
-
- (*groups)[*start] = gid_list[i];
- *start += 1;
-
- /* Filled buffer? */
-
- if (*start == limit) goto done;
- }
- }
-
- /* Back to your regularly scheduled programming */
-
- done:
- return ret;
-}
-
-#endif