#include "winbind_nss_config.h"
#include "winbindd_nss.h"
-/* Prototypes from common.c */
+#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;
void init_request(struct winbindd_request *req,int rq_type);
+NSS_STATUS winbindd_send_request(int req_type,
+ struct winbindd_request *request);
+NSS_STATUS winbindd_get_response(struct winbindd_response *response);
NSS_STATUS winbindd_request(int req_type,
struct winbindd_request *request,
struct winbindd_response *response);
+int winbind_open_pipe_sock(void);
int write_sock(void *buffer, int count);
int read_reply(struct winbindd_response *response);
void free_response(struct winbindd_response *response);
+#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;
+ 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;
+ char result[1024];
+ char *members;
+ int i;
+
+ 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;
+ }
+ switch ((int)rq->f_cmd_data) {
+ case WINBINDD_GETPWNAM_FROM_UID:
+ case WINBINDD_GETPWNAM_FROM_USER:
+ snprintf(result,1023,"%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_FROM_GROUP:
+ case WINBINDD_GETGRNAM_FROM_GID:
+ if (gr->num_gr_mem && response.extra_data)
+ members = response.extra_data;
+ else
+ members = "";
+ snprintf(result,1023,"%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:
+ 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,1023,"%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,1023,"%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);
+ 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_GETPWNAM_FROM_UID;
+ } 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_FROM_USER;
+ } 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_FROM_GROUP;
+ } else if (strcasecmp(map,"group.bygid") == 0) {
+ request->data.gid = atoi(key);
+ rq->f_cmd_data = (void *)WINBINDD_GETGRNAM_FROM_GID;
+ } else {
+ /*
+ * Don't understand this map - just return not found
+ */
+ nsd_logprintf(NSD_LOG_MIN, "lookup (winbind) unknown table\n");
+ 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");
+ 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");
+ 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");
+ 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. */
return NULL;
}
- /* Some architectures, like Sparc, need pointers aligned on
- boundaries */
-#if _ALIGNMENT_REQUIRED
- {
- int mod = len % _MAX_ALIGNMENT;
- if(mod != 0)
- len += _MAX_ALIGNMENT - mod;
- }
-#endif
-
/* Return an index into the static buffer */
result = *buffer;
{
fstring name;
int i;
+ char *tst;
/* Group name */
gr->num_gr_mem = 0;
}
- if ((result->gr_mem =
- (char **)get_static(buffer, buflen, (gr->num_gr_mem + 1) *
- sizeof(char *))) == NULL) {
+ /* 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 = (int)*buffer % sizeof(char*))
+ 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) {
/* Fetch the next password entry from ntdom password database */
-#define MAX_GETPWENT_USERS 250
-
NSS_STATUS
_nss_winbind_getpwent_r(struct passwd *result, char *buffer,
size_t buflen, int *errnop)
/* Get next entry from ntdom group database */
-#define MAX_GETGRENT_USERS 250
-
NSS_STATUS
_nss_winbind_getgrent_r(struct group *result,
char *buffer, size_t buflen, int *errnop)
done:
return ret;
}
+
+#endif
git.samba.org / tprouty / samba.git / blobdiff