1 files changed, 123 insertions, 123 deletions

diff --git a/src/mod_trigger_b4_dl.c b/src/mod_trigger_b4_dl.c
index 8281ec06..bc49b1e7 100644
--- a/src/mod_trigger_b4_dl.c
+++ b/src/mod_trigger_b4_dl.c
@@ -24,18 +24,18 @@
 
 /**
  * this is a trigger_b4_dl for a lighttpd plugin
- * 
+ *
  */
 
 /* plugin config for all request/connections */
 
 typedef struct {
 	buffer *db_filename;
-	
+
 	buffer *trigger_url;
 	buffer *download_url;
 	buffer *deny_url;
-	
+
 	array  *mc_hosts;
 	buffer *mc_namespace;
 #if defined(HAVE_PCRE_H)
@@ -46,58 +46,58 @@ typedef struct {
 	GDBM_FILE db;
 #endif
 
-#if defined(HAVE_MEMCACHE_H) 
+#if defined(HAVE_MEMCACHE_H)
 	struct memcache *mc;
 #endif
-	
+
 	unsigned short trigger_timeout;
 	unsigned short debug;
 } plugin_config;
 
 typedef struct {
 	PLUGIN_DATA;
-	
+
 	buffer *tmp_buf;
-	
+
 	plugin_config **config_storage;
-	
-	plugin_config conf; 
+
+	plugin_config conf;
 } plugin_data;
 
 /* init the plugin data */
 INIT_FUNC(mod_trigger_b4_dl_init) {
 	plugin_data *p;
-	
+
 	p = calloc(1, sizeof(*p));
-	
+
 	p->tmp_buf = buffer_init();
-	
+
 	return p;
 }
 
 /* detroy the plugin data */
 FREE_FUNC(mod_trigger_b4_dl_free) {
 	plugin_data *p = p_d;
-	
+
 	UNUSED(srv);
 
 	if (!p) return HANDLER_GO_ON;
-	
+
 	if (p->config_storage) {
 		size_t i;
 		for (i = 0; i < srv->config_context->used; i++) {
 			plugin_config *s = p->config_storage[i];
 
 			if (!s) continue;
-			
+
 			buffer_free(s->db_filename);
 			buffer_free(s->download_url);
 			buffer_free(s->trigger_url);
 			buffer_free(s->deny_url);
-			
+
 			buffer_free(s->mc_namespace);
 			array_free(s->mc_hosts);
-			
+
 #if defined(HAVE_PCRE_H)
 			if (s->trigger_regex) pcre_free(s->trigger_regex);
 			if (s->download_regex) pcre_free(s->download_regex);
@@ -108,16 +108,16 @@ FREE_FUNC(mod_trigger_b4_dl_free) {
 #if defined(HAVE_MEMCACHE_H)
 			if (s->mc) mc_free(s->mc);
 #endif
-			
+
 			free(s);
 		}
 		free(p->config_storage);
 	}
-	
+
 	buffer_free(p->tmp_buf);
-	
+
 	free(p);
-	
+
 	return HANDLER_GO_ON;
 }
 
@@ -126,9 +126,9 @@ FREE_FUNC(mod_trigger_b4_dl_free) {
 SETDEFAULTS_FUNC(mod_trigger_b4_dl_set_defaults) {
 	plugin_data *p = p_d;
 	size_t i = 0;
-	
-	
-	config_values_t cv[] = { 
+
+
+	config_values_t cv[] = {
 		{ "trigger-before-download.gdbm-filename",   NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_CONNECTION },       /* 0 */
 		{ "trigger-before-download.trigger-url",     NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_CONNECTION },       /* 1 */
 		{ "trigger-before-download.download-url",    NULL, T_CONFIG_STRING, T_CONFIG_SCOPE_CONNECTION },       /* 2 */
@@ -139,18 +139,18 @@ SETDEFAULTS_FUNC(mod_trigger_b4_dl_set_defaults) {
 		{ "trigger-before-download.debug",           NULL, T_CONFIG_BOOLEAN, T_CONFIG_SCOPE_CONNECTION },      /* 7 */
 		{ NULL,                        NULL, T_CONFIG_UNSET, T_CONFIG_SCOPE_UNSET }
 	};
-	
+
 	if (!p) return HANDLER_ERROR;
-	
+
 	p->config_storage = calloc(1, srv->config_context->used * sizeof(specific_config *));
-	
+
 	for (i = 0; i < srv->config_context->used; i++) {
 		plugin_config *s;
 #if defined(HAVE_PCRE_H)
 		const char *errptr;
 		int erroff;
 #endif
-		
+
 		s = calloc(1, sizeof(plugin_config));
 		s->db_filename    = buffer_init();
 		s->download_url   = buffer_init();
@@ -158,7 +158,7 @@ SETDEFAULTS_FUNC(mod_trigger_b4_dl_set_defaults) {
 		s->deny_url       = buffer_init();
 		s->mc_hosts       = array_init();
 		s->mc_namespace   = buffer_init();
-		
+
 		cv[0].destination = s->db_filename;
 		cv[1].destination = s->trigger_url;
 		cv[2].destination = s->download_url;
@@ -167,41 +167,41 @@ SETDEFAULTS_FUNC(mod_trigger_b4_dl_set_defaults) {
 		cv[5].destination = s->mc_hosts;
 		cv[6].destination = s->mc_namespace;
 		cv[7].destination = &(s->debug);
-		
+
 		p->config_storage[i] = s;
-	
+
 		if (0 != config_insert_values_global(srv, ((data_config *)srv->config_context->data[i])->value, cv)) {
 			return HANDLER_ERROR;
 		}
 #if defined(HAVE_GDBM_H)
 		if (!buffer_is_empty(s->db_filename)) {
 			if (NULL == (s->db = gdbm_open(s->db_filename->ptr, 4096, GDBM_WRCREAT | GDBM_NOLOCK, S_IRUSR | S_IWUSR, 0))) {
-				log_error_write(srv, __FILE__, __LINE__, "s", 
+				log_error_write(srv, __FILE__, __LINE__, "s",
 						"gdbm-open failed");
 				return HANDLER_ERROR;
 			}
 		}
 #endif
-#if defined(HAVE_PCRE_H)		
+#if defined(HAVE_PCRE_H)
 		if (!buffer_is_empty(s->download_url)) {
 			if (NULL == (s->download_regex = pcre_compile(s->download_url->ptr,
 								      0, &errptr, &erroff, NULL))) {
-				
-				log_error_write(srv, __FILE__, __LINE__, "sbss", 
-						"compiling regex for download-url failed:", 
+
+				log_error_write(srv, __FILE__, __LINE__, "sbss",
+						"compiling regex for download-url failed:",
 						s->download_url, "pos:", erroff);
 				return HANDLER_ERROR;
 			}
 		}
-		
+
 		if (!buffer_is_empty(s->trigger_url)) {
 			if (NULL == (s->trigger_regex = pcre_compile(s->trigger_url->ptr,
 								     0, &errptr, &erroff, NULL))) {
-				
-				log_error_write(srv, __FILE__, __LINE__, "sbss", 
-						"compiling regex for trigger-url failed:", 
+
+				log_error_write(srv, __FILE__, __LINE__, "sbss",
+						"compiling regex for trigger-url failed:",
 						s->trigger_url, "pos:", erroff);
-				
+
 				return HANDLER_ERROR;
 			}
 		}
@@ -211,33 +211,33 @@ SETDEFAULTS_FUNC(mod_trigger_b4_dl_set_defaults) {
 #if defined(HAVE_MEMCACHE_H)
 			size_t k;
 			s->mc = mc_new();
-		
+
 			for (k = 0; k < s->mc_hosts->used; k++) {
 				data_string *ds = (data_string *)s->mc_hosts->data[k];
-				
+
 				if (0 != mc_server_add4(s->mc, ds->value->ptr)) {
-					log_error_write(srv, __FILE__, __LINE__, "sb", 
-							"connection to host failed:", 
+					log_error_write(srv, __FILE__, __LINE__, "sb",
+							"connection to host failed:",
 							ds->value);
-					
+
 					return HANDLER_ERROR;
 				}
 			}
 #else
-			log_error_write(srv, __FILE__, __LINE__, "s", 
+			log_error_write(srv, __FILE__, __LINE__, "s",
 					"memcache support is not compiled in but trigger-before-download.memcache-hosts is set, aborting");
 			return HANDLER_ERROR;
 #endif
 		}
-		
+
 
 #if (!defined(HAVE_GDBM_H) && !defined(HAVE_MEMCACHE_H)) || !defined(HAVE_PCRE_H)
-		log_error_write(srv, __FILE__, __LINE__, "s", 
+		log_error_write(srv, __FILE__, __LINE__, "s",
 				"(either gdbm or libmemcache) and pcre are require, but were not found, aborting");
 		return HANDLER_ERROR;
 #endif
 	}
-	
+
 	return HANDLER_GO_ON;
 }
 
@@ -246,14 +246,14 @@ SETDEFAULTS_FUNC(mod_trigger_b4_dl_set_defaults) {
 static int mod_trigger_b4_dl_patch_connection(server *srv, connection *con, plugin_data *p) {
 	size_t i, j;
 	plugin_config *s = p->config_storage[0];
-	
+
 #if defined(HAVE_GDBM)
 	PATCH(db);
-#endif	
+#endif
 #if defined(HAVE_PCRE_H)
 	PATCH(download_regex);
 	PATCH(trigger_regex);
-#endif	
+#endif
 	PATCH(trigger_timeout);
 	PATCH(deny_url);
 	PATCH(mc_namespace);
@@ -261,15 +261,15 @@ static int mod_trigger_b4_dl_patch_connection(server *srv, connection *con, plug
 #if defined(HAVE_MEMCACHE_H)
 	PATCH(mc);
 #endif
-	
+
 	/* skip the first, the global context */
 	for (i = 1; i < srv->config_context->used; i++) {
 		data_config *dc = (data_config *)srv->config_context->data[i];
 		s = p->config_storage[i];
-		
+
 		/* condition didn't match */
 		if (!config_check_cond(srv, con, dc)) continue;
-		
+
 		/* merge config */
 		for (j = 0; j < dc->value->used; j++) {
 			data_unset *du = dc->value->data[j];
@@ -301,7 +301,7 @@ static int mod_trigger_b4_dl_patch_connection(server *srv, connection *con, plug
 			}
 		}
 	}
-	
+
 	return 0;
 }
 #undef PATCH
@@ -315,20 +315,20 @@ URIHANDLER_FUNC(mod_trigger_b4_dl_uri_handler) {
 	int n;
 # define N 10
 	int ovec[N * 3];
-	
+
 	if (con->uri.path->used == 0) return HANDLER_GO_ON;
-	
+
 	mod_trigger_b4_dl_patch_connection(srv, con, p);
-	
+
 	if (!p->conf.trigger_regex || !p->conf.download_regex) return HANDLER_GO_ON;
-	
+
 # if !defined(HAVE_GDBM_H) && !defined(HAVE_MEMCACHE_H)
 	return HANDLER_GO_ON;
 # elif defined(HAVE_GDBM_H) && defined(HAVE_MEMCACHE_H)
 	if (!p->conf.db && !p->conf.mc) return HANDLER_GO_ON;
 	if (p->conf.db && p->conf.mc) {
 		/* can't decide which one */
-		
+
 		return HANDLER_GO_ON;
 	}
 # elif defined(HAVE_GDBM_H)
@@ -336,12 +336,12 @@ URIHANDLER_FUNC(mod_trigger_b4_dl_uri_handler) {
 # else
 	if (!p->conf.mc) return HANDLER_GO_ON;
 # endif
-	
+
 	if (NULL != (ds = (data_string *)array_get_element(con->request.headers, "X-Forwarded-For"))) {
 		/* X-Forwarded-For contains the ip behind the proxy */
-		
+
 		remote_ip = ds->value->ptr;
-		
+
 		/* memcache can't handle spaces */
 	} else {
 		remote_ip = inet_ntop_cache_get_ip(srv, &(con->dst_addr));
@@ -350,13 +350,13 @@ URIHANDLER_FUNC(mod_trigger_b4_dl_uri_handler) {
 	if (p->conf.debug) {
 		log_error_write(srv, __FILE__, __LINE__, "ss", "(debug) remote-ip:", remote_ip);
 	}
-		
+
 	/* check if URL is a trigger -> insert IP into DB */
 	if ((n = pcre_exec(p->conf.trigger_regex, NULL, con->uri.path->ptr, con->uri.path->used - 1, 0, 0, ovec, 3 * N)) < 0) {
 		if (n != PCRE_ERROR_NOMATCH) {
 			log_error_write(srv, __FILE__, __LINE__, "sd",
 					"execution error while matching:", n);
-			
+
 			return HANDLER_ERROR;
 		}
 	} else {
@@ -364,34 +364,34 @@ URIHANDLER_FUNC(mod_trigger_b4_dl_uri_handler) {
 		if (p->conf.db) {
 			/* the trigger matched */
 			datum key, val;
-			
+
 			key.dptr = (char *)remote_ip;
 			key.dsize = strlen(remote_ip);
-			
+
 			val.dptr = (char *)&(srv->cur_ts);
 			val.dsize = sizeof(srv->cur_ts);
-			
+
 			if (0 != gdbm_store(p->conf.db, key, val, GDBM_REPLACE)) {
 				log_error_write(srv, __FILE__, __LINE__, "s",
 						"insert failed");
 			}
 		}
 # endif
-# if defined(HAVE_MEMCACHE_H)		
+# if defined(HAVE_MEMCACHE_H)
 		if (p->conf.mc) {
 			size_t i;
 			buffer_copy_string_buffer(p->tmp_buf, p->conf.mc_namespace);
 			buffer_append_string(p->tmp_buf, remote_ip);
-			
+
 			for (i = 0; i < p->tmp_buf->used - 1; i++) {
 				if (p->tmp_buf->ptr[i] == ' ') p->tmp_buf->ptr[i] = '-';
 			}
-			
+
 			if (p->conf.debug) {
 				log_error_write(srv, __FILE__, __LINE__, "sb", "(debug) triggered IP:", p->tmp_buf);
 			}
 
-			if (0 != mc_set(p->conf.mc, 
+			if (0 != mc_set(p->conf.mc,
 					CONST_BUF_LEN(p->tmp_buf),
 					(char *)&(srv->cur_ts), sizeof(srv->cur_ts),
 					p->conf.trigger_timeout, 0)) {
@@ -401,7 +401,7 @@ URIHANDLER_FUNC(mod_trigger_b4_dl_uri_handler) {
 		}
 # endif
 	}
-		
+
 	/* check if URL is a download -> check IP in DB, update timestamp */
 	if ((n = pcre_exec(p->conf.download_regex, NULL, con->uri.path->ptr, con->uri.path->used - 1, 0, 0, ovec, 3 * N)) < 0) {
 		if (n != PCRE_ERROR_NOMATCH) {
@@ -411,93 +411,93 @@ URIHANDLER_FUNC(mod_trigger_b4_dl_uri_handler) {
 		}
 	} else {
 		/* the download uri matched */
-# if defined(HAVE_GDBM_H)		
+# if defined(HAVE_GDBM_H)
 		if (p->conf.db) {
 			datum key, val;
 			time_t last_hit;
-		
+
 			key.dptr = (char *)remote_ip;
 			key.dsize = strlen(remote_ip);
-			
+
 			val = gdbm_fetch(p->conf.db, key);
-		
+
 			if (val.dptr == NULL) {
 				/* not found, redirect */
-				
+
 				response_header_insert(srv, con, CONST_STR_LEN("Location"), CONST_BUF_LEN(p->conf.deny_url));
-				
+
 				con->http_status = 307;
-				
+
 				return HANDLER_FINISHED;
 			}
-			
+
 			last_hit = *(time_t *)(val.dptr);
-			
+
 			free(val.dptr);
-			
+
 			if (srv->cur_ts - last_hit > p->conf.trigger_timeout) {
 				/* found, but timeout, redirect */
-				
+
 				response_header_insert(srv, con, CONST_STR_LEN("Location"), CONST_BUF_LEN(p->conf.deny_url));
 				con->http_status = 307;
-				
+
 				if (p->conf.db) {
 					if (0 != gdbm_delete(p->conf.db, key)) {
 						log_error_write(srv, __FILE__, __LINE__, "s",
 								"delete failed");
 					}
 				}
-				
+
 				return HANDLER_FINISHED;
 			}
-			
+
 			val.dptr = (char *)&(srv->cur_ts);
 			val.dsize = sizeof(srv->cur_ts);
-			
+
 			if (0 != gdbm_store(p->conf.db, key, val, GDBM_REPLACE)) {
 				log_error_write(srv, __FILE__, __LINE__, "s",
 						"insert failed");
 			}
 		}
 # endif
-		
-# if defined(HAVE_MEMCACHE_H)		
+
+# if defined(HAVE_MEMCACHE_H)
 		if (p->conf.mc) {
 			void *r;
 			size_t i;
-			
+
 			buffer_copy_string_buffer(p->tmp_buf, p->conf.mc_namespace);
 			buffer_append_string(p->tmp_buf, remote_ip);
-			
+
 			for (i = 0; i < p->tmp_buf->used - 1; i++) {
 				if (p->tmp_buf->ptr[i] == ' ') p->tmp_buf->ptr[i] = '-';
 			}
-			
+
 			if (p->conf.debug) {
 				log_error_write(srv, __FILE__, __LINE__, "sb", "(debug) checking IP:", p->tmp_buf);
 			}
 
 			/**
-			 * 
+			 *
 			 * memcached is do expiration for us, as long as we can fetch it every thing is ok
-			 * and the timestamp is updated 
-			 * 
+			 * and the timestamp is updated
+			 *
 			 */
-			if (NULL == (r = mc_aget(p->conf.mc, 
+			if (NULL == (r = mc_aget(p->conf.mc,
 						 CONST_BUF_LEN(p->tmp_buf)
 						 ))) {
-				
+
 				response_header_insert(srv, con, CONST_STR_LEN("Location"), CONST_BUF_LEN(p->conf.deny_url));
-				
+
 				con->http_status = 307;
-				
+
 				return HANDLER_FINISHED;
 			}
-			
+
 			free(r);
-			
+
 			/* set a new timeout */
-			if (0 != mc_set(p->conf.mc, 
+			if (0 != mc_set(p->conf.mc,
 					CONST_BUF_LEN(p->tmp_buf),
 					(char *)&(srv->cur_ts), sizeof(srv->cur_ts),
 					p->conf.trigger_timeout, 0)) {
@@ -507,13 +507,13 @@ URIHANDLER_FUNC(mod_trigger_b4_dl_uri_handler) {
 		}
 # endif
 	}
-	
+
 #else
 	UNUSED(srv);
 	UNUSED(con);
 	UNUSED(p_d);
 #endif
-	
+
 	return HANDLER_GO_ON;
 }
 
@@ -521,21 +521,21 @@ URIHANDLER_FUNC(mod_trigger_b4_dl_uri_handler) {
 TRIGGER_FUNC(mod_trigger_b4_dl_handle_trigger) {
 	plugin_data *p = p_d;
 	size_t i;
-	
+
 	/* check DB each minute */
 	if (srv->cur_ts % 60 != 0) return HANDLER_GO_ON;
-	
+
 	/* cleanup */
 	for (i = 0; i < srv->config_context->used; i++) {
 		plugin_config *s = p->config_storage[i];
 		datum key, val, okey;
-		
+
 		if (!s->db) continue;
-		
+
 		okey.dptr = NULL;
-		
-		/* according to the manual this loop + delete does delete all entries on its way 
-		 * 
+
+		/* according to the manual this loop + delete does delete all entries on its way
+		 *
 		 * we don't care as the next round will remove them. We don't have to perfect here.
 		 */
 		for (key = gdbm_firstkey(s->db); key.dptr; key = gdbm_nextkey(s->db, okey)) {
@@ -544,21 +544,21 @@ TRIGGER_FUNC(mod_trigger_b4_dl_handle_trigger) {
 				free(okey.dptr);
 				okey.dptr = NULL;
 			}
-			
+
 			val = gdbm_fetch(s->db, key);
-			
+
 			last_hit = *(time_t *)(val.dptr);
-			
+
 			free(val.dptr);
-			
+
 			if (srv->cur_ts - last_hit > s->trigger_timeout) {
 				gdbm_delete(s->db, key);
 			}
-			
+
 			okey = key;
 		}
 		if (okey.dptr) free(okey.dptr);
-		
+
 		/* reorg once a day */
 		if ((srv->cur_ts % (60 * 60 * 24) != 0)) gdbm_reorganize(s->db);
 	}
@@ -571,7 +571,7 @@ TRIGGER_FUNC(mod_trigger_b4_dl_handle_trigger) {
 int mod_trigger_b4_dl_plugin_init(plugin *p) {
 	p->version     = LIGHTTPD_VERSION_ID;
 	p->name        = buffer_init_string("trigger_b4_dl");
-	
+
 	p->init        = mod_trigger_b4_dl_init;
 	p->handle_uri_clean  = mod_trigger_b4_dl_uri_handler;
 	p->set_defaults  = mod_trigger_b4_dl_set_defaults;
@@ -579,8 +579,8 @@ int mod_trigger_b4_dl_plugin_init(plugin *p) {
 	p->handle_trigger  = mod_trigger_b4_dl_handle_trigger;
 #endif
 	p->cleanup     = mod_trigger_b4_dl_free;
-	
+
 	p->data        = NULL;
-	
+
 	return 0;
 }