*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*
- * Copyright 2000 The FreeRADIUS server project
+ * Copyright 2001,2006 The FreeRADIUS server project
* Copyright 2000 Mike Machado <mike@innercite.com>
* Copyright 2000 Alan DeKok <aland@ox.org>
+ * Copyright 2001 Chad Miller <cmiller@surfsouth.com>
*/
+#include <freeradius-devel/ident.h>
+RCSID("$Id$")
+
+#include <freeradius-devel/autoconf.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <errno.h>
#include <sys/wait.h>
-#if HAVE_PTHREAD_H
-#include <pthread.h>
+#include <freeradius-devel/radiusd.h>
+#include "rlm_sql.h"
+
+#ifdef HAVE_PTHREAD_H
#endif
-#include "radiusd.h"
-#include "conffile.h"
-#include "rlm_sql.h"
+
+/*
+ * Connect to a server. If error, set this socket's state to be
+ * "sockunconnected" and set a grace period, during which we won't try
+ * connecting again (to prevent unduly lagging the server and being
+ * impolite to a DB server that may be having other issues). If
+ * successful in connecting, set state to sockconnected.
+ * - chad
+ */
+static int connect_single_socket(SQLSOCK *sqlsocket, SQL_INST *inst)
+{
+ int rcode;
+ radlog(L_DBG, "rlm_sql (%s): Attempting to connect %s #%d",
+ inst->config->xlat_name, inst->module->name, sqlsocket->id);
+
+ rcode = (inst->module->sql_init_socket)(sqlsocket, inst->config);
+ if (rcode == 0) {
+ radlog(L_DBG, "rlm_sql (%s): Connected new DB handle, #%d",
+ inst->config->xlat_name, sqlsocket->id);
+ sqlsocket->state = sockconnected;
+ return(0);
+ }
+
+ /*
+ * Error, or SQL_DOWN.
+ */
+ radlog(L_CONS | L_ERR, "rlm_sql (%s): Failed to connect DB handle #%d", inst->config->xlat_name, sqlsocket->id);
+ inst->connect_after = time(NULL) + inst->config->connect_failure_retry_delay;
+ sqlsocket->state = sockunconnected;
+ return(-1);
+}
+
/*************************************************************************
*
- * Function: sql_init_socket
+ * Function: sql_init_socketpool
*
- * Purpose: Connect to the sql server
+ * Purpose: Connect to the sql server, if possible
*
*************************************************************************/
-int sql_init_socketpool(SQL_INST * inst) {
-
+int sql_init_socketpool(SQL_INST * inst)
+{
+ int i, rcode;
+ int success = 0;
SQLSOCK *sqlsocket;
- int i;
- inst->used = 0;
+ inst->connect_after = 0;
inst->sqlpool = NULL;
for (i = 0; i < inst->config->num_sql_socks; i++) {
+ radlog(L_DBG, "rlm_sql (%s): starting %d",
+ inst->config->xlat_name, i);
- sqlsocket = rad_malloc(sizeof(SQLSOCK));
+ sqlsocket = rad_malloc(sizeof(*sqlsocket));
if (sqlsocket == NULL) {
return -1;
}
+ memset(sqlsocket, 0, sizeof(*sqlsocket));
sqlsocket->conn = NULL;
sqlsocket->id = i;
-
-#if HAVE_PTHREAD_H
- sqlsocket->semaphore = (sem_t *) rad_malloc(sizeof(sem_t));
- sem_init(sqlsocket->semaphore, 0, SQLSOCK_UNLOCKED);
-#else
- sqlsocket->in_use = 0;
+ sqlsocket->state = sockunconnected;
+
+#ifdef HAVE_PTHREAD_H
+ rcode = pthread_mutex_init(&sqlsocket->mutex,NULL);
+ if (rcode != 0) {
+ radlog(L_ERR, "rlm_sql: Failed to init lock: %s",
+ strerror(errno));
+ return 0;
+ }
#endif
- if ((inst->module->sql_init_socket)(sqlsocket, inst->config) < 0) {
- radlog(L_CONS | L_ERR, "rlm_sql: Failed to connect sqlsocket %d", i);
- return -1;
+ if (time(NULL) > inst->connect_after) {
+ /*
+ * This sets the sqlsocket->state, and
+ * possibly also inst->connect_after
+ */
+ if (connect_single_socket(sqlsocket, inst) == 0) {
+ success = 1;
+ }
}
/* Add this socket to the list of sockets */
sqlsocket->next = inst->sqlpool;
inst->sqlpool = sqlsocket;
}
+ inst->last_used = NULL;
+
+ if (!success) {
+ radlog(L_DBG, "rlm_sql (%s): Failed to connect to any SQL server.",
+ inst->config->xlat_name);
+ }
return 1;
}
* Purpose: Clean up and free sql pool
*
*************************************************************************/
-void sql_poolfree(SQL_INST * inst) {
-
+void sql_poolfree(SQL_INST * inst)
+{
SQLSOCK *cur;
+ SQLSOCK *next;
- for (cur = inst->sqlpool; cur; cur = cur->next) {
+ for (cur = inst->sqlpool; cur; cur = next) {
+ next = cur->next;
sql_close_socket(inst, cur);
}
-#if HAVE_PTHREAD_H
- pthread_mutex_destroy(inst->lock);
- pthread_cond_destroy(inst->notfull);
-#endif
+
+ inst->sqlpool = NULL;
}
* Purpose: Close and free a sql sqlsocket
*
*************************************************************************/
-int sql_close_socket(SQL_INST *inst, SQLSOCK * sqlsocket) {
-
- radlog(L_DBG, "rlm_sql: Closing sqlsocket %d", sqlsocket->id);
- (inst->module->sql_close)(sqlsocket, inst->config);
-#if HAVE_PTHREAD_H
- sem_destroy(sqlsocket->semaphore);
+int sql_close_socket(SQL_INST *inst, SQLSOCK * sqlsocket)
+{
+ radlog(L_DBG, "rlm_sql (%s): Closing sqlsocket %d",
+ inst->config->xlat_name, sqlsocket->id);
+ if (sqlsocket->state == sockconnected) {
+ (inst->module->sql_close)(sqlsocket, inst->config);
+ }
+ if (inst->module->sql_destroy_socket) {
+ (inst->module->sql_destroy_socket)(sqlsocket, inst->config);
+ }
+#ifdef HAVE_PTHREAD_H
+ pthread_mutex_destroy(&sqlsocket->mutex);
#endif
free(sqlsocket);
return 1;
*
* Function: sql_get_socket
*
- * Purpose: Return a SQL sqlsocket from the connection pool
+ * Purpose: Return a SQL sqlsocket from the connection pool
*
*************************************************************************/
-SQLSOCK * sql_get_socket(SQL_INST * inst) {
+SQLSOCK * sql_get_socket(SQL_INST * inst)
+{
+ SQLSOCK *cur, *start;
+ int tried_to_connect = 0;
+ int unconnected = 0;
+ /*
+ * Start at the last place we left off.
+ */
+ start = inst->last_used;
+ if (!start) start = inst->sqlpool;
- SQLSOCK *cur;
+ cur = start;
-#if HAVE_PTHREAD_H
- pthread_mutex_lock(inst->lock);
-#endif
- while (inst->used == inst->config->num_sql_socks) {
- radlog(L_DBG, "rlm_sql: Waiting for open sql socket");
-#if HAVE_PTHREAD_H
- pthread_cond_wait(inst->notfull, inst->lock);
-#else
+ while (cur) {
+#ifdef HAVE_PTHREAD_H
/*
- * FIXME: Subsecond sleep needed here
+ * If this socket is in use by another thread,
+ * skip it, and try another socket.
+ *
+ * If it isn't used, then grab it ourselves.
*/
- sleep(1);
+ if (pthread_mutex_trylock(&cur->mutex) != 0) {
+ goto next;
+ } /* else we now have the lock */
#endif
- }
- for (cur = inst->sqlpool; cur; cur = cur->next) {
-#if HAVE_PTHREAD_H
- if (sem_trywait(cur->semaphore) == 0) {
-#else
- if (cur->in_use == SQLSOCK_UNLOCKED) {
-#endif
- (inst->used)++;
-#if HAVE_PTHREAD_H
- pthread_mutex_unlock(inst->lock);
-#else
- cur->in_use = SQLSOCK_LOCKED;
-#endif
- radlog(L_DBG, "rlm_sql: Reserved sql socket id: %d", cur->id);
- return cur;
+ /*
+ * If we happen upon an unconnected socket, and
+ * this instance's grace period on
+ * (re)connecting has expired, then try to
+ * connect it. This should be really rare.
+ */
+ if ((cur->state == sockunconnected) && (time(NULL) > inst->connect_after)) {
+ radlog(L_INFO, "rlm_sql (%s): Trying to (re)connect unconnected handle %d..", inst->config->xlat_name, cur->id);
+ tried_to_connect++;
+ connect_single_socket(cur, inst);
}
- }
-#if HAVE_PTHREAD_H
- pthread_mutex_unlock(inst->lock);
+ /* if we still aren't connected, ignore this handle */
+ if (cur->state == sockunconnected) {
+ radlog(L_DBG, "rlm_sql (%s): Ignoring unconnected handle %d..", inst->config->xlat_name, cur->id);
+ unconnected++;
+#ifdef HAVE_PTHREAD_H
+ pthread_mutex_unlock(&cur->mutex);
#endif
+ goto next;
+ }
- /*
- * Should never get here, but what the hey
- */
+ /* should be connected, grab it */
+ radlog(L_DBG, "rlm_sql (%s): Reserving sql socket id: %d", inst->config->xlat_name, cur->id);
+
+ if (unconnected != 0 || tried_to_connect != 0) {
+ radlog(L_INFO, "rlm_sql (%s): got socket %d after skipping %d unconnected handles, tried to reconnect %d though", inst->config->xlat_name, cur->id, unconnected, tried_to_connect);
+ }
+
+ /*
+ * The socket is returned in the locked
+ * state.
+ *
+ * We also remember where we left off,
+ * so that the next search can start from
+ * here.
+ *
+ * Note that multiple threads MAY over-write
+ * the 'inst->last_used' variable. This is OK,
+ * as it's a pointer only used for reading.
+ */
+ inst->last_used = cur->next;
+ return cur;
+
+ /* move along the list */
+ next:
+ cur = cur->next;
+
+ /*
+ * Because we didnt start at the start, once we
+ * hit the end of the linklist, we should go
+ * back to the beginning and work toward the
+ * middle!
+ */
+ if (!cur) {
+ cur = inst->sqlpool;
+ }
+
+ /*
+ * If we're at the socket we started
+ */
+ if (cur == start) {
+ break;
+ }
+ }
+
+ /* We get here if every DB handle is unconnected and unconnectABLE */
+ radlog(L_INFO, "rlm_sql (%s): There are no DB handles to use! skipped %d, tried to connect %d", inst->config->xlat_name, unconnected, tried_to_connect);
return NULL;
}
*
* Function: sql_release_socket
*
- * Purpose: Frees a SQL sqlsocket back to the connection pool
+ * Purpose: Frees a SQL sqlsocket back to the connection pool
*
*************************************************************************/
-int sql_release_socket(SQL_INST * inst, SQLSOCK * sqlsocket) {
-
-#if HAVE_PTHREAD_H
- pthread_mutex_lock(inst->lock);
-#endif
- (inst->used)--;
-#if HAVE_PTHREAD_H
- sem_post(sqlsocket->semaphore);
-#else
- sqlsocket->in_use = 0;
+int sql_release_socket(SQL_INST * inst, SQLSOCK * sqlsocket)
+{
+#ifdef HAVE_PTHREAD_H
+ pthread_mutex_unlock(&sqlsocket->mutex);
#endif
- radlog(L_DBG, "rlm_sql: Released sql socket id: %d", sqlsocket->id);
-
-#if HAVE_PTHREAD_H
- pthread_mutex_unlock(inst->lock);
- pthread_cond_signal(inst->notfull);
-#endif
+ radlog(L_DBG, "rlm_sql (%s): Released sql socket id: %d",
+ inst->config->xlat_name, sqlsocket->id);
- return 1;
+ return 0;
}
* Purpose: Read entries from the database and fill VALUE_PAIR structures
*
*************************************************************************/
-int sql_userparse(VALUE_PAIR ** first_pair, SQL_ROW row, int mode) {
+int sql_userparse(VALUE_PAIR ** first_pair, SQL_ROW row)
+{
+ VALUE_PAIR *pair;
+ char *ptr, *value;
+ char buf[MAX_STRING_LEN];
+ char do_xlat = 0;
+ LRAD_TOKEN token, operator = T_EOL;
- DICT_ATTR *attr;
- VALUE_PAIR *pair, *check;
+ /*
+ * Verify the 'Attribute' field
+ */
+ if (row[2] == NULL || row[2][0] == '\0') {
+ radlog(L_ERR, "rlm_sql: The 'Attribute' field is empty or NULL, skipping the entire row.");
+ return -1;
+ }
- if ((attr = dict_attrbyname(row[2])) == (DICT_ATTR *) NULL) {
- radlog(L_ERR | L_CONS, "rlm_sql: unknown attribute %s", row[2]);
- return (-1);
+ /*
+ * Verify the 'op' field
+ */
+ if (row[4] != NULL && row[4][0] != '\0') {
+ ptr = row[4];
+ operator = gettoken(&ptr, buf, sizeof(buf));
+ }
+ if (operator <= T_EOL) {
+ /*
+ * Complain about empty or invalid 'op' field
+ */
+ operator = T_OP_CMP_EQ;
+ radlog(L_ERR, "rlm_sql: The 'op' field for attribute '%s = %s' is NULL, or non-existent.", row[2], row[3]);
+ radlog(L_ERR, "rlm_sql: You MUST FIX THIS if you want the configuration to behave as you expect.");
}
/*
- * If attribute is already there, skip it because we checked usercheck first
- * and we want user settings to over ride group settings
+ * The 'Value' field may be empty or NULL
*/
- if ((check = pairfind(*first_pair, attr->attr)) != NULL &&
-#if defined( BINARY_FILTERS )
- attr->type != PW_TYPE_ABINARY &&
-#endif
- mode == PW_VP_GROUPDATA)
- return 0;
+ value = row[3];
+ /*
+ * If we have a new-style quoted string, where the
+ * *entire* string is quoted, do xlat's.
+ */
+ if (row[3] != NULL &&
+ ((row[3][0] == '\'') || (row[3][0] == '`') || (row[3][0] == '"')) &&
+ (row[3][0] == row[3][strlen(row[3])-1])) {
- pair = pairmake(row[2], row[3], T_OP_CMP_EQ);
- pairadd(first_pair, pair);
+ token = gettoken(&value, buf, sizeof(buf));
+ switch (token) {
+ /*
+ * Take the unquoted string.
+ */
+ case T_SINGLE_QUOTED_STRING:
+ case T_DOUBLE_QUOTED_STRING:
+ value = buf;
+ break;
+
+ /*
+ * Mark the pair to be allocated later.
+ */
+ case T_BACK_QUOTED_STRING:
+ value = NULL;
+ do_xlat = 1;
+ break;
+
+ /*
+ * Keep the original string.
+ */
+ default:
+ value = row[3];
+ break;
+ }
+ }
- vp_printlist(stderr, *first_pair);
+ /*
+ * Create the pair
+ */
+ pair = pairmake(row[2], value, operator);
+ if (pair == NULL) {
+ radlog(L_ERR, "rlm_sql: Failed to create the pair: %s", librad_errstr);
+ return -1;
+ }
+ if (do_xlat) {
+ pair->flags.do_xlat = 1;
+ strlcpy(pair->vp_strvalue, buf, sizeof(pair->vp_strvalue));
+ pair->length = 0;
+ }
+ /*
+ * Add the pair into the packet
+ */
+ pairadd(first_pair, pair);
return 0;
}
/*************************************************************************
*
- * Function: sql_getvpdata
+ * Function: rlm_sql_fetch_row
*
- * Purpose: Get any group check or reply pairs
+ * Purpose: call the module's sql_fetch_row and implement re-connect
*
*************************************************************************/
-int sql_getvpdata(SQL_INST * inst, SQLSOCK * sqlsocket, VALUE_PAIR **pair, char *query, int mode) {
+int rlm_sql_fetch_row(SQLSOCK *sqlsocket, SQL_INST *inst)
+{
+ int ret;
- SQL_ROW row;
- int rows = 0;
-
- if ((inst->module->sql_select_query)(sqlsocket, inst->config, query) < 0) {
- radlog(L_ERR, "rlm_sql_getvpdata: database query error");
- return -1;
+ if (sqlsocket->conn) {
+ ret = (inst->module->sql_fetch_row)(sqlsocket, inst->config);
+ } else {
+ ret = SQL_DOWN;
}
- while ((row = (inst->module->sql_fetch_row)(sqlsocket, inst->config))) {
- if (sql_userparse(pair, row, mode) != 0) {
- radlog(L_ERR | L_CONS, "rlm_sql: Error getting data from database");
- (inst->module->sql_finish_select_query)(sqlsocket, inst->config);
+
+ if (ret == SQL_DOWN) {
+ /* close the socket that failed, but only if it was open */
+ if (sqlsocket->conn) {
+ (inst->module->sql_close)(sqlsocket, inst->config);
+ }
+
+ /* reconnect the socket */
+ if (connect_single_socket(sqlsocket, inst) < 0) {
+ radlog(L_ERR, "rlm_sql (%s): reconnect failed, database down?", inst->config->xlat_name);
return -1;
}
- rows++;
- }
- (inst->module->sql_finish_select_query)(sqlsocket, inst->config);
- return rows;
-}
+ /* retry the query on the newly connected socket */
+ ret = (inst->module->sql_fetch_row)(sqlsocket, inst->config);
+ if (ret) {
+ radlog(L_ERR, "rlm_sql (%s): failed after re-connect",
+ inst->config->xlat_name);
+ return -1;
+ }
+ }
-static int got_alrm;
-static void
-alrm_handler() {
- got_alrm = 1;
+ return ret;
}
/*************************************************************************
*
- * Function: sql_check_ts
+ * Function: rlm_sql_query
*
- * Purpose: Checks the terminal server for a spacific login entry
+ * Purpose: call the module's sql_query and implement re-connect
*
*************************************************************************/
-static int sql_check_ts(SQL_ROW row) {
-
- int pid, st, e;
- int n;
- NAS *nas;
- char session_id[12];
- char *s;
- void (*handler) (int);
+int rlm_sql_query(SQLSOCK *sqlsocket, SQL_INST *inst, char *query)
+{
+ int ret;
/*
- * Find NAS type.
+ * If there's no query, return an error.
*/
- if ((nas = nas_find(ip_addr(row[4]))) == NULL) {
- radlog(L_ERR, "rlm_sql: unknown NAS [%s]", row[4]);
+ if (!query || !*query) {
return -1;
}
- /*
- * Fork.
- */
- handler = signal(SIGCHLD, SIG_DFL);
- if ((pid = fork()) < 0) {
- radlog(L_ERR, "rlm_sql: fork: %s", strerror(errno));
- signal(SIGCHLD, handler);
- return -1;
- }
+ ret = (inst->module->sql_query)(sqlsocket, inst->config, query);
- if (pid > 0) {
- /*
- * Parent - Wait for checkrad to terminate.
- * We timeout in 10 seconds.
- */
- got_alrm = 0;
- signal(SIGALRM, alrm_handler);
- alarm(10);
- while ((e = waitpid(pid, &st, 0)) != pid)
- if (e < 0 && (errno != EINTR || got_alrm))
- break;
- alarm(0);
- signal(SIGCHLD, handler);
- if (got_alrm) {
- kill(pid, SIGTERM);
- sleep(1);
- kill(pid, SIGKILL);
- radlog(L_ERR, "rlm_sql: Check-TS: timeout waiting for checkrad");
- return 2;
+ if (ret == SQL_DOWN) {
+ /* close the socket that failed */
+ if (sqlsocket->state == sockconnected) {
+ (inst->module->sql_close)(sqlsocket, inst->config);
}
- if (e < 0) {
- radlog(L_ERR, "rlm_sql: Check-TS: unknown error in waitpid()");
- return 2;
+
+ /* reconnect the socket */
+ if (connect_single_socket(sqlsocket, inst) < 0) {
+ radlog(L_ERR, "rlm_sql (%s): reconnect failed, database down?", inst->config->xlat_name);
+ return -1;
}
- return WEXITSTATUS(st);
- }
- /*
- * Child - exec checklogin with the right parameters.
- */
- for (n = 32; n >= 3; n--)
- close(n);
-
- sprintf(session_id, "%.8s", row[1]);
-
- s = CHECKRAD2;
- execl(CHECKRAD2, "checkrad", nas->nastype, row[4], row[5],
- row[2], session_id, NULL);
- if (errno == ENOENT) {
- s = CHECKRAD1;
- execl(CHECKRAD1, "checklogin", nas->nastype, row[4], row[5],
- row[2], session_id, NULL);
- }
- radlog(L_ERR, "rlm_sql: Check-TS: exec %s: %s", s, strerror(errno));
+ /* retry the query on the newly connected socket */
+ ret = (inst->module->sql_query)(sqlsocket, inst->config, query);
- /*
- * Exit - 2 means "some error occured".
- */
- exit(2);
+ if (ret) {
+ radlog(L_ERR, "rlm_sql (%s): failed after re-connect",
+ inst->config->xlat_name);
+ return -1;
+ }
+ }
+ return ret;
}
-
/*************************************************************************
*
- * Function: sql_check_multi
+ * Function: rlm_sql_select_query
*
- * Purpose: Check radius accounting for duplicate logins
+ * Purpose: call the module's sql_select_query and implement re-connect
*
*************************************************************************/
-int sql_check_multi(SQL_INST * inst, SQLSOCK * sqlsocket, char *name, VALUE_PAIR * request, int maxsimul) {
-
- char querystr[MAX_QUERY_LEN];
- char authstr[256];
- VALUE_PAIR *fra;
- SQL_ROW row;
- int count = 0;
- uint32_t ipno = 0;
- int mpp = 1;
-
- sprintf(authstr, "UserName = '%s'", name);
- sprintf(querystr, "SELECT COUNT(*) FROM %s WHERE %s AND AcctStopTime = 0", inst->config->sql_acct_table, authstr);
- if ((inst->module->sql_select_query)(sqlsocket, inst->config, querystr) < 0) {
- radlog(L_ERR, "sql_check_multi: database query error");
- return -1;
- }
-
- row = (inst->module->sql_fetch_row)(sqlsocket, inst->config);
- count = atoi(row[0]);
- (inst->module->sql_finish_select_query)(sqlsocket, inst->config);
-
- if (count < maxsimul)
- return 0;
+int rlm_sql_select_query(SQLSOCK *sqlsocket, SQL_INST *inst, char *query)
+{
+ int ret;
/*
- * * Setup some stuff, like for MPP detection.
+ * If there's no query, return an error.
*/
- if ((fra = pairfind(request, PW_FRAMED_IP_ADDRESS)) != NULL)
- ipno = htonl(fra->lvalue);
-
- count = 0;
- sprintf(querystr, "SELECT * FROM %s WHERE %s AND AcctStopTime = 0", inst->config->sql_acct_table, authstr);
- if ((inst->module->sql_select_query)(sqlsocket, inst->config, querystr) < 0) {
- radlog(L_ERR, "sql_check_multi: database query error");
+ if (!query || !*query) {
return -1;
}
- while ((row = (inst->module->sql_fetch_row)(sqlsocket, inst->config))) {
- int check = sql_check_ts(row);
- if (check == 1) {
- count++;
+ ret = (inst->module->sql_select_query)(sqlsocket, inst->config, query);
- if (ipno && atoi(row[19]) == ipno)
- mpp = 2;
+ if (ret == SQL_DOWN) {
+ /* close the socket that failed */
+ if (sqlsocket->state == sockconnected) {
+ (inst->module->sql_close)(sqlsocket, inst->config);
+ }
- } else if (check == 2)
- radlog(L_ERR, "rlm_sql: Problem with checkrad [%s] (from nas %s)", name, row[4]);
- else {
- /*
- * False record - zap it
- */
+ /* reconnect the socket */
+ if (connect_single_socket(sqlsocket, inst) < 0) {
+ radlog(L_ERR, "rlm_sql (%s): reconnect failed, database down?", inst->config->xlat_name);
+ return -1;
+ }
- if (inst->config->deletestalesessions) {
- SQLSOCK *sqlsocket1;
+ /* retry the query on the newly connected socket */
+ ret = (inst->module->sql_select_query)(sqlsocket, inst->config, query);
- radlog(L_ERR, "rlm_sql: Deleteing stale session [%s] (from nas %s/%s)", row[2], row[4], row[5]);
- sqlsocket1 = sql_get_socket(inst);
- sprintf(querystr, "DELETE FROM %s WHERE RadAcctId = '%s'", inst->config->sql_acct_table, row[0]);
- (inst->module->sql_query)(sqlsocket1, inst->config, querystr);
- (inst->module->sql_finish_query)(sqlsocket1, inst->config);
- sql_release_socket(inst, sqlsocket1);
- }
+ if (ret) {
+ radlog(L_ERR, "rlm_sql (%s): failed after re-connect",
+ inst->config->xlat_name);
+ return -1;
}
}
- (inst->module->sql_finish_select_query)(sqlsocket, inst->config);
- return (count < maxsimul) ? 0 : mpp;
+ return ret;
}
-void query_log(SQL_INST * inst, char *querystr) {
- FILE *sqlfile = 0;
- if (inst->config->sqltrace) {
- if ((sqlfile = fopen(inst->config->tracefile, "a")) == (FILE *) NULL) {
- radlog(L_ERR, "rlm_sql: Couldn't open file %s",
- inst->config->tracefile);
- } else {
-#if defined(F_LOCK) && !defined(BSD)
- (void) lockf((int) sqlfile, (int) F_LOCK, (off_t) MAX_QUERY_LEN);
-#else
- (void) flock(sqlfile, SQL_LOCK_EX);
-#endif
- fputs(querystr, sqlfile);
- fputs(";\n", sqlfile);
- fclose(sqlfile);
+/*************************************************************************
+ *
+ * Function: sql_getvpdata
+ *
+ * Purpose: Get any group check or reply pairs
+ *
+ *************************************************************************/
+int sql_getvpdata(SQL_INST * inst, SQLSOCK * sqlsocket, VALUE_PAIR **pair, char *query)
+{
+ SQL_ROW row;
+ int rows = 0;
+
+ /*
+ * If there's no query, return an error.
+ */
+ if (!query || !*query) {
+ return -1;
+ }
+
+ if (rlm_sql_select_query(sqlsocket, inst, query)) {
+ radlog(L_ERR, "rlm_sql_getvpdata: database query error");
+ return -1;
+ }
+ while (rlm_sql_fetch_row(sqlsocket, inst)==0) {
+ row = sqlsocket->row;
+ if (!row)
+ break;
+ if (sql_userparse(pair, row) != 0) {
+ radlog(L_ERR | L_CONS, "rlm_sql (%s): Error getting data from database", inst->config->xlat_name);
+ (inst->module->sql_finish_select_query)(sqlsocket, inst->config);
+ return -1;
}
+ rows++;
}
+ (inst->module->sql_finish_select_query)(sqlsocket, inst->config);
+
+ return rows;
}
-int sql_set_user(SQL_INST *inst, REQUEST *request, char *sqlusername, char *username) {
- VALUE_PAIR *vp=NULL;
- char tmpuser[MAX_STRING_LEN];
+void query_log(REQUEST *request, SQL_INST *inst, char *querystr)
+{
+ FILE *sqlfile = NULL;
- tmpuser[0]=0;
- sqlusername[0]=0;
+ if (inst->config->sqltrace) {
+ char buffer[8192];
- /* Remove any user attr we added previously */
- pairdelete(&request->packet->vps, PW_SQL_USER_NAME);
+ if (!radius_xlat(buffer, sizeof(buffer),
+ inst->config->tracefile, request, NULL)) {
+ radlog(L_ERR, "rlm_sql (%s): xlat failed.",
+ inst->config->xlat_name);
+ return;
+ }
- if(username) {
- strNcpy(tmpuser, username, MAX_STRING_LEN);
- } else if(strlen(inst->config->query_user)) {
- radius_xlat(tmpuser, MAX_STRING_LEN, inst->config->query_user, request, NULL);
- } else {
- return 0;
- }
+ if ((sqlfile = fopen(buffer, "a")) == (FILE *) NULL) {
+ radlog(L_ERR, "rlm_sql (%s): Couldn't open file %s",
+ inst->config->xlat_name,
+ buffer);
+ } else {
+ int fd = fileno(sqlfile);
- if(strlen(tmpuser)) {
- sql_escape_string(sqlusername, tmpuser, MAX_STRING_LEN);
- DEBUG2("sql_set_user: escaped user --> '%s'", sqlusername);
- vp = pairmake("SQL-User-Name", sqlusername, 0);
- if (!vp) {
- radlog(L_ERR, "%s", librad_errstr);
- return -1;
+ rad_lockfd(fd, MAX_QUERY_LEN);
+ fputs(querystr, sqlfile);
+ fputs(";\n", sqlfile);
+ fclose(sqlfile); /* and release the lock */
}
-
- pairadd(&request->packet->vps, vp);
- return 0;
}
- return -1;
-}
-
-/*
- * Purpose: Esacpe "'" and any other wierd charactors
- */
-int sql_escape_string(char *to, char *from, int length) {
- int x, y;
-
- DEBUG2("sql_escape in: '%s'", from);
-
- for(x=0, y=0; (x < length) && (from[x]!='\0'); x++) {
- switch (from[x]) {
- case 0:
- to[y++]= '\\';
- to[y++]= '0';
- break;
- case '\n':
- to[y++]= '\\';
- to[y++]= 'n';
- break;
- case '\r':
- to[y++]= '\\';
- to[y++]= 'r';
- break;
- case '\\':
- to[y++]= '\\';
- to[y++]= '\\';
- break;
- case '\'':
- to[y++]= '\\';
- to[y++]= '\'';
- break;
- case '"':
- to[y++]= '\\';
- to[y++]= '"';
- break;
- case ';':
- to[y++]= '\\';
- to[y++]= ';';
- break;
- /* Ascii file separator */
- case '\032':
- to[y++]= '\\';
- to[y++]= 'Z';
- break;
- default:
- to[y++]= from[x];
- }
- }
- to[y]=0;
-
- DEBUG2("sql_escape out: '%s'", to);
- return 1;
}