[Minor] Fix compile warnings

22 files changed, 47 insertions, 77 deletions

diff --git a/contrib/lua-lpeg/lptypes.h b/contrib/lua-lpeg/lptypes.h
index 7173d11d3..9dee116cd 100644
--- a/contrib/lua-lpeg/lptypes.h
+++ b/contrib/lua-lpeg/lptypes.h
@@ -154,9 +154,9 @@ typedef struct Charset {
 /* Special workaround for luajit */
 #if defined(WITH_LUAJIT) && !(defined(_X86_) || defined(__x86_64__) || defined(__i386__))
 # define LPEG_LUD_WORKAROUND 1
-#endif
 void * lpeg_allocate_mem_low(size_t sz);
 void lpeg_free_mem_low(void *p);
+#endif
 
 #endif
 
diff --git a/contrib/lua-lpeg/lpvm.c b/contrib/lua-lpeg/lpvm.c
index 441712826..4ef424579 100644
--- a/contrib/lua-lpeg/lpvm.c
+++ b/contrib/lua-lpeg/lpvm.c
@@ -17,6 +17,7 @@
 #include "lpvm.h"
 #include "lpprint.h"
 
+#ifdef LPEG_LUD_WORKAROUND
 #include <sys/mman.h>
 
 #define MAX_PIECES (1u << 2u)
@@ -119,6 +120,8 @@ lpeg_free_mem_low(void *p)
 	/* No match, unmapped by allocation */
 }
 
+#endif
+
 /* initial size for call/backtrack stack */
 #if !defined(INITBACK)
 #define INITBACK	MAXBACK
diff --git a/src/controller.c b/src/controller.c
index 332737724..6e16beb91 100644
--- a/src/controller.c
+++ b/src/controller.c
@@ -105,8 +105,8 @@ INIT_LOG_MODULE(controller)
 #define COLOR_REJECT "#CB4B4B"
 #define COLOR_TOTAL "#9440ED"
 
-const static ev_tstamp rrd_update_time = 1.0;
-const static guint64 rspamd_controller_ctx_magic = 0xf72697805e6941faULL;
+static const ev_tstamp rrd_update_time = 1.0;
+static const guint64 rspamd_controller_ctx_magic = 0xf72697805e6941faULL;
 
 extern void fuzzy_stat_command (struct rspamd_task *task);
 
diff --git a/src/libcryptobox/catena/catena.c b/src/libcryptobox/catena/catena.c
index 5b1da3129..0a3ab248a 100644
--- a/src/libcryptobox/catena/catena.c
+++ b/src/libcryptobox/catena/catena.c
@@ -217,8 +217,8 @@ initmem (const uint8_t x[H_LEN], const uint64_t c, uint8_t *r)
 }
 
 static inline void
-gamma (const uint8_t garlic, const uint8_t *salt,
-		const uint8_t saltlen, uint8_t *r)
+catena_gamma (const uint8_t garlic, const uint8_t *salt,
+			  const uint8_t saltlen, uint8_t *r)
 {
 	const uint64_t q = UINT64_C(1) << ((3 * garlic + 3) / 4);
 
@@ -314,7 +314,7 @@ Flap (const uint8_t x[H_LEN], const uint8_t lambda, const uint8_t garlic,
 	initmem (x, c, r);
 
 	/*Gamma Function*/
-	gamma (garlic, salt, saltlen, r);
+	catena_gamma (garlic, salt, saltlen, r);
 
 	/* DBH */
 	for (k = 0; k < lambda; k++) {
diff --git a/src/libmime/message.c b/src/libmime/message.c
index a450f67fe..6a5b4095f 100644
--- a/src/libmime/message.c
+++ b/src/libmime/message.c
@@ -224,7 +224,6 @@ rspamd_strip_newlines_parse (struct rspamd_task *task,
 		struct rspamd_mime_text_part *part)
 {
 	const gchar *p = begin, *c = begin;
-	gchar last_c = '\0';
 	gboolean crlf_added = FALSE;
 	gboolean url_open_bracket = FALSE;
 	UChar32 uc;
@@ -276,7 +275,6 @@ rspamd_strip_newlines_parse (struct rspamd_task *task,
 			case normal_char:
 				state = seen_cr;
 				if (p > c) {
-					last_c = *(p - 1);
 					g_byte_array_append (part->utf_stripped_content,
 							(const guint8 *)c, p - c);
 				}
@@ -315,7 +313,6 @@ rspamd_strip_newlines_parse (struct rspamd_task *task,
 				state = seen_lf;
 
 				if (p > c) {
-					last_c = *(p - 1);
 					g_byte_array_append (part->utf_stripped_content,
 							(const guint8 *)c, p - c);
 				}
diff --git a/src/libmime/mime_headers.c b/src/libmime/mime_headers.c
index be3ffc7d0..b024bd7b1 100644
--- a/src/libmime/mime_headers.c
+++ b/src/libmime/mime_headers.c
@@ -1415,11 +1415,11 @@ rspamd_smtp_received_process_from (struct rspamd_task *task,
 		 * - hostname ([ip]:port helo=xxx)
 		 * Maybe more...
 		 */
-		gboolean seen_ip_in_data = FALSE, seen_rdns_in_comment = FALSE;
+		gboolean seen_ip_in_data = FALSE;
 
 		if (rpart->head_comment && rpart->head_comment->dlen > 0) {
 			/* We can have info within comment as part of RFC */
-			seen_rdns_in_comment = rspamd_smtp_received_process_host_tcpinfo (
+			rspamd_smtp_received_process_host_tcpinfo (
 					task, rh,
 					rpart->head_comment->data, rpart->head_comment->dlen);
 		}
diff --git a/src/libserver/html.c b/src/libserver/html.c
index 73bf05440..dbbefd10c 100644
--- a/src/libserver/html.c
+++ b/src/libserver/html.c
@@ -573,7 +573,7 @@ rspamd_html_url_is_phished (rspamd_mempool_t *pool,
 	struct rspamd_url **ptext_url)
 {
 	struct rspamd_url *text_url;
-	rspamd_ftok_t phished_tld, disp_tok, href_tok;
+	rspamd_ftok_t disp_tok, href_tok;
 	gint rc;
 	goffset url_pos;
 	gchar *url_str = NULL, *idn_hbuf;
@@ -719,8 +719,6 @@ rspamd_html_url_is_phished (rspamd_mempool_t *pool,
 					if (!rspamd_url_is_subdomain (&disp_tok, &href_tok)) {
 						href_url->flags |= RSPAMD_URL_FLAG_PHISHED;
 						href_url->phished_url = text_url;
-						phished_tld.begin = href_tok.begin;
-						phished_tld.len = href_tok.len;
 						text_url->flags |= RSPAMD_URL_FLAG_HTML_DISPLAYED;
 					}
 				}
diff --git a/src/libserver/spf.c b/src/libserver/spf.c
index 02041b015..631594808 100644
--- a/src/libserver/spf.c
+++ b/src/libserver/spf.c
@@ -1937,7 +1937,6 @@ parse_spf_record (struct spf_record *rec, struct spf_resolved_element *resolved,
 	struct spf_addr *addr = NULL;
 	gboolean res = FALSE;
 	const gchar *begin;
-	struct rspamd_task *task;
 	gchar t;
 
 	g_assert (elt != NULL);
@@ -1947,7 +1946,6 @@ parse_spf_record (struct spf_record *rec, struct spf_resolved_element *resolved,
 		return TRUE;
 	}
 
-	task = rec->task;
 	begin = expand_spf_macro (rec, resolved, elt);
 	addr = rspamd_spf_new_addr (rec, resolved, begin);
 	g_assert (addr != NULL);
diff --git a/src/libserver/task.c b/src/libserver/task.c
index e2fcdb2d6..a45342907 100644
--- a/src/libserver/task.c
+++ b/src/libserver/task.c
@@ -1059,7 +1059,6 @@ rspamd_task_log_metric_res (struct rspamd_task *task,
 	GPtrArray *sorted_symbols;
 	struct rspamd_action *act;
 	struct rspamd_symbols_group *gr;
-	gdouble gr_score;
 	guint i, j;
 	khiter_t k;
 
@@ -1157,7 +1156,7 @@ rspamd_task_log_metric_res (struct rspamd_task *task,
 			symbuf = rspamd_fstring_sized_new (128);
 			sorted_symbols = g_ptr_array_sized_new (kh_size (mres->sym_groups));
 
-			kh_foreach (mres->sym_groups, gr, gr_score,{
+			kh_foreach_key (mres->sym_groups, gr,{
 				if (!(gr->flags & RSPAMD_SYMBOL_GROUP_PUBLIC)) {
 					if (lf->type == RSPAMD_LOG_PUBLIC_GROUPS) {
 						continue;
diff --git a/src/libutil/http_context.c b/src/libutil/http_context.c
index 9e2b09798..4d701d0c5 100644
--- a/src/libutil/http_context.c
+++ b/src/libutil/http_context.c
@@ -468,14 +468,11 @@ static void
 rspamd_http_keepalive_handler (gint fd, short what, gpointer ud)
 {
 	struct rspamd_http_keepalive_cbdata *cbdata =
-			(struct rspamd_http_keepalive_cbdata *)ud;
-	struct rspamd_http_context *ctx;
-	/*
+			(struct rspamd_http_keepalive_cbdata *)ud;/*
 	 * We can get here if a remote side reported something or it has
 	 * timed out. In both cases we just terminate keepalive connection.
 	 */
 
-	ctx = cbdata->ctx;
 	g_queue_delete_link (cbdata->queue, cbdata->link);
 	msg_debug_http_context ("remove keepalive element %s (%s), %d connections left",
 			rspamd_inet_address_to_string_pretty (cbdata->conn->keepalive_hash_key->addr),
diff --git a/src/libutil/map.c b/src/libutil/map.c
index 42134921a..123d31c5f 100644
--- a/src/libutil/map.c
+++ b/src/libutil/map.c
@@ -75,9 +75,7 @@ write_http_request (struct http_callback_data *cbd)
 {
 	gchar datebuf[128];
 	struct rspamd_http_message *msg;
-	struct rspamd_map *map;
 
-	map = cbd->map;
 	msg = rspamd_http_new_message (HTTP_REQUEST);
 
 	if (cbd->bk->protocol == MAP_PROTO_HTTPS) {
diff --git a/src/libutil/printf.c b/src/libutil/printf.c
index b0229c73a..972d34e82 100644
--- a/src/libutil/printf.c
+++ b/src/libutil/printf.c
@@ -593,7 +593,7 @@ rspamd_vprintf_common (rspamd_printf_append_func func,
 {
 	gchar zero, numbuf[G_ASCII_DTOSTR_BUF_SIZE], dtoabuf[32], *p, *last;
 	guchar c;
-	const gchar *buf_start = fmt, *fmt_start = NULL;
+	const gchar *buf_start = fmt;
 	gint d;
 	gdouble f;
 	glong written = 0, wr, slen;
@@ -623,8 +623,6 @@ rspamd_vprintf_common (rspamd_printf_append_func func,
 				written += wr;
 			}
 
-			fmt_start = fmt;
-
 			i64 = 0;
 			ui64 = 0;
 
diff --git a/src/libutil/ssl_util.c b/src/libutil/ssl_util.c
index 32778f265..6bd7a1986 100644
--- a/src/libutil/ssl_util.c
+++ b/src/libutil/ssl_util.c
@@ -579,7 +579,6 @@ rspamd_ssl_connect_fd (struct rspamd_ssl_connection *conn, gint fd,
 		gpointer handler_data)
 {
 	gint ret;
-	short what;
 
 	g_assert (conn != NULL);
 
@@ -630,11 +629,9 @@ rspamd_ssl_connect_fd (struct rspamd_ssl_connection *conn, gint fd,
 
 		if (ret == SSL_ERROR_WANT_READ) {
 			msg_debug_ssl ("not connected, want read");
-			what = EV_READ;
 		}
 		else if (ret == SSL_ERROR_WANT_WRITE) {
 			msg_debug_ssl ("not connected, want write");
-			what = EV_WRITE;
 		}
 		else {
 			conn->shut = ssl_shut_unclean;
diff --git a/src/libutil/util.c b/src/libutil/util.c
index f528a321e..55696c212 100644
--- a/src/libutil/util.c
+++ b/src/libutil/util.c
@@ -786,7 +786,7 @@ rspamd_pass_signal (GHashTable * workers, gint signo)
 #ifndef HAVE_SETPROCTITLE
 
 #ifdef LINUX
-static gchar *title_buffer = 0;
+static gchar *title_buffer = NULL;
 static size_t title_buffer_size = 0;
 static gchar *title_progname, *title_progname_full;
 #endif
@@ -1076,7 +1076,6 @@ setproctitle (const gchar *fmt, ...)
 	ssize_t written;
 
 	if (fmt) {
-		ssize_t written2;
 		va_list ap;
 
 		written = rspamd_snprintf (title_buffer,
@@ -1087,13 +1086,11 @@ setproctitle (const gchar *fmt, ...)
 			return -1;
 
 		va_start (ap, fmt);
-		written2 = rspamd_vsnprintf (title_buffer + written,
+		rspamd_vsnprintf (title_buffer + written,
 				title_buffer_size - written,
 				fmt,
 				ap);
 		va_end (ap);
-		if (written2 < 0 || (size_t) written2 >= title_buffer_size - written)
-			return -1;
 	}
 	else {
 		written = rspamd_snprintf (title_buffer,
diff --git a/src/lua/lua_common.c b/src/lua/lua_common.c
index bbcec4c1c..d68e8e952 100644
--- a/src/lua/lua_common.c
+++ b/src/lua/lua_common.c
@@ -253,11 +253,9 @@ rspamd_lua_set_path (lua_State *L, const ucl_object_t *cfg_obj, GHashTable *vars
 {
 	const gchar *old_path, *additional_path = NULL;
 	const ucl_object_t *opts = NULL;
-	const gchar *pluginsdir = RSPAMD_PLUGINSDIR,
-			*rulesdir = RSPAMD_RULESDIR,
+	const gchar *rulesdir = RSPAMD_RULESDIR,
 			*lualibdir = RSPAMD_LUALIBDIR,
-			*libdir = RSPAMD_LIBDIR,
-			*sharedir = RSPAMD_SHAREDIR;
+			*libdir = RSPAMD_LIBDIR;
 	const gchar *t;
 
 	gchar path_buf[PATH_MAX];
@@ -290,16 +288,6 @@ rspamd_lua_set_path (lua_State *L, const ucl_object_t *cfg_obj, GHashTable *vars
 	}
 	else {
 		/* Try environment */
-		t = getenv ("SHAREDIR");
-		if (t) {
-			sharedir = t;
-		}
-
-		t = getenv ("PLUGINSDIR");
-		if (t) {
-			pluginsdir = t;
-		}
-
 		t = getenv ("RULESDIR");
 		if (t) {
 			rulesdir = t;
@@ -321,16 +309,6 @@ rspamd_lua_set_path (lua_State *L, const ucl_object_t *cfg_obj, GHashTable *vars
 		}
 
 		if (vars) {
-			t = g_hash_table_lookup (vars, "PLUGINSDIR");
-			if (t) {
-				pluginsdir = t;
-			}
-
-			t = g_hash_table_lookup (vars, "SHAREDIR");
-			if (t) {
-				sharedir = t;
-			}
-
 			t = g_hash_table_lookup (vars, "RULESDIR");
 			if (t) {
 				rulesdir = t;
diff --git a/src/lua/lua_cryptobox.c b/src/lua/lua_cryptobox.c
index 645b2495f..518ae9389 100644
--- a/src/lua/lua_cryptobox.c
+++ b/src/lua/lua_cryptobox.c
@@ -2321,6 +2321,16 @@ lua_cryptobox_gen_dkim_keypair (lua_State *L)
 
 		/* Process private key */
 		rc = i2d_RSAPrivateKey_bio (mbio, r);
+
+		if (rc == 0) {
+			BIO_free (mbio);
+			BN_free (e);
+			RSA_free (r);
+			EVP_PKEY_free (pk);
+
+			return luaL_error (L, "i2d_RSAPrivateKey_bio failed");
+		}
+
 		len = BIO_get_mem_data (mbio, &data);
 
 		b64_data = rspamd_encode_base64 (data, len, -1, &b64_len);
@@ -2334,6 +2344,16 @@ lua_cryptobox_gen_dkim_keypair (lua_State *L)
 		/* Process public key */
 		BIO_reset (mbio);
 		rc = i2d_RSA_PUBKEY_bio (mbio, r);
+
+		if (rc == 0) {
+			BIO_free (mbio);
+			BN_free (e);
+			RSA_free (r);
+			EVP_PKEY_free (pk);
+
+			return luaL_error (L, "i2d_RSA_PUBKEY_bio failed");
+		}
+
 		len = BIO_get_mem_data (mbio, &data);
 
 		b64_data = rspamd_encode_base64 (data, len, -1, &b64_len);
diff --git a/src/lua/lua_task.c b/src/lua/lua_task.c
index 2ec6dc29b..b04596ed3 100644
--- a/src/lua/lua_task.c
+++ b/src/lua/lua_task.c
@@ -3510,6 +3510,7 @@ lua_task_has_from (lua_State *L)
 	}
 
 	lua_pushboolean (L, ret);
+	(void)nrcpt; /* Silence warning */
 
 	return 1;
 }
@@ -5705,12 +5706,9 @@ lua_task_get_metric_action (lua_State *L)
 {
 	LUA_TRACE_POINT;
 	struct rspamd_task *task = lua_check_task (L, 1);
-	struct rspamd_scan_result *metric_res;
 	struct rspamd_action *action;
 
 	if (task) {
-		metric_res = task->result;
-
 		action = rspamd_check_action_metric (task);
 		lua_pushstring (L, action->name);
 	}
diff --git a/src/lua/lua_udp.c b/src/lua/lua_udp.c
index b72108c34..5d1fd8c62 100644
--- a/src/lua/lua_udp.c
+++ b/src/lua/lua_udp.c
@@ -256,11 +256,8 @@ static void
 lua_udp_io_handler (gint fd, short what, gpointer p)
 {
 	struct lua_udp_cbdata *cbd = (struct lua_udp_cbdata *)p;
-	lua_State *L;
 	gssize r;
 
-	L = cbd->L;
-
 	if (what == EV_TIMEOUT) {
 		if (cbd->sent && cbd->retransmits > 0) {
 			r = lua_try_send_request (cbd);
diff --git a/src/lua/lua_worker.c b/src/lua/lua_worker.c
index eaf0e02d7..940c6ae4a 100644
--- a/src/lua/lua_worker.c
+++ b/src/lua/lua_worker.c
@@ -261,9 +261,7 @@ lua_worker_control_fin_session (void *ud)
 	struct rspamd_control_reply rep;
 	struct rspamd_control_cbdata *cbd = (struct rspamd_control_cbdata *)ud;
 	rspamd_mempool_t *pool;
-	lua_State *L;
 
-	L = cbd->L;
 	pool = cbd->pool;
 
 	memset (&rep, 0, sizeof (rep));
diff --git a/src/plugins/dkim_check.c b/src/plugins/dkim_check.c
index 4e5eeda71..410a38309 100644
--- a/src/plugins/dkim_check.c
+++ b/src/plugins/dkim_check.c
@@ -866,7 +866,8 @@ lua_dkim_sign_handler (lua_State *L)
 				rspamd_mempool_set_variable (task->task_pool, "dkim-signature",
 						sigs, dkim_module_free_list);
 			} else {
-				(void) g_list_append (sigs, hdr);
+				sigs = g_list_append (sigs, hdr);
+				(void)sigs;
 			}
 		}
 
diff --git a/src/plugins/regexp.c b/src/plugins/regexp.c
index 6841e452a..1b6e0f3f2 100644
--- a/src/plugins/regexp.c
+++ b/src/plugins/regexp.c
@@ -136,7 +136,7 @@ regexp_module_config (struct rspamd_config *cfg)
 	struct regexp_module_item *cur_item = NULL;
 	const ucl_object_t *sec, *value, *elt;
 	ucl_object_iter_t it = NULL;
-	gint res = TRUE, id, nre = 0, nlua = 0, nshots = cfg->default_max_shots;
+	gint res = TRUE, nre = 0, nlua = 0, nshots = cfg->default_max_shots;
 
 	if (!rspamd_config_is_module_enabled (cfg, "regexp")) {
 		return TRUE;
@@ -272,7 +272,7 @@ regexp_module_config (struct rspamd_config *cfg)
 					}
 				}
 
-				id = rspamd_symcache_add_symbol (cfg->cache,
+				rspamd_symcache_add_symbol (cfg->cache,
 						cur_item->symbol,
 						0,
 						process_regexp_item,
diff --git a/src/rspamadm/lua_repl.c b/src/rspamadm/lua_repl.c
index b7fd9a4d3..ee22c4868 100644
--- a/src/rspamadm/lua_repl.c
+++ b/src/rspamadm/lua_repl.c
@@ -544,7 +544,7 @@ lua_syntax_highlighter (const char *str, ReplxxColor *colours, int size, void *u
 			 * 3 - line num (int), always 1...
 			 * 4 - column num (must be less than size)
 			 */
-			const gchar *what, *text;
+			const gchar *what;
 			gsize column, tlen, cur_top, elt_pos;
 			ReplxxColor elt_color = REPLXX_COLOR_DEFAULT;
 
@@ -554,7 +554,7 @@ lua_syntax_highlighter (const char *str, ReplxxColor *colours, int size, void *u
 			lua_rawgeti (L, elt_pos, 1);
 			what = lua_tostring (L, -1);
 			lua_rawgeti (L, elt_pos, 2);
-			text = lua_tolstring (L, -1, &tlen);
+			lua_tolstring (L, -1, &tlen);
 			lua_rawgeti (L, elt_pos, 4);
 			column = lua_tointeger (L, -1);
 
@@ -782,15 +782,11 @@ rspamadm_lua_handle_exec (struct rspamd_http_connection_entry *conn_ent,
 	GString *tb;
 	gint err_idx, i;
 	lua_State *L;
-	struct rspamadm_lua_repl_context *ctx;
-	struct rspamadm_lua_repl_session *session = conn_ent->ud;
 	ucl_object_t *obj, *elt;
 	const gchar *body;
 	gsize body_len;
-
-	ctx = session->ctx;
-
 	struct thread_entry *thread = lua_thread_pool_get_for_config (rspamd_main->cfg);
+
 	L = thread->lua_state;
 
 	body = rspamd_http_message_get_body (msg, &body_len);