From 2809ad4747b7e3a3795aec4e433d7754c7efc365 Mon Sep 17 00:00:00 2001
From: Vsevolod Stakhov <vsevolod@rambler-co.ru>
Date: Tue, 2 Sep 2008 19:42:58 +0400
Subject: [PATCH] * Add ability to pass options to rspamd modules via flex
 start conditions

---
 cfg_file.h  |  7 +++++++
 cfg_file.l  | 12 ++++++++++++
 cfg_file.y  | 33 +++++++++++++++++++++++++++++++--
 cfg_utils.c | 23 +++++++++++++++++++++++
 4 files changed, 73 insertions(+), 2 deletions(-)

diff --git a/cfg_file.h b/cfg_file.h
index 62856b489..401593584 100644
--- a/cfg_file.h
+++ b/cfg_file.h
@@ -84,6 +84,12 @@ struct filter_chain {
 	LIST_ENTRY (filter_chain) next;
 };
 
+struct module_opt {
+	char *param;
+	char *value;
+	LIST_ENTRY (module_opt) next;
+};
+
 struct config_file {
 	char *cfg_name;
 	char *pid_file;
@@ -108,6 +114,7 @@ struct config_file {
 	LIST_HEAD (perlq, filter_chain) filters;
 	LIST_HEAD (modulesq, perl_module) perl_modules;
 	LIST_HEAD (cmodulesq, c_module) c_modules;
+	GHashTable* modules_opts;
 };
 
 int add_memcached_server (struct config_file *cf, char *str);
diff --git a/cfg_file.l b/cfg_file.l
index 760afc1ad..8cde589b5 100644
--- a/cfg_file.l
+++ b/cfg_file.l
@@ -1,4 +1,5 @@
 %x incl
+%x module
 
 %{
 #include <stdio.h>
@@ -98,6 +99,7 @@ parse_flag (const char *str)
 %%
 ^[ \t]*#.*						/* ignore comments */;
 .include						BEGIN(incl);
+.module							BEGIN(module);
 tempdir							return TEMPDIR;
 pidfile							return PIDFILE;
 workers							return WORKERS;
@@ -120,6 +122,7 @@ script_message					return SCRIPT_MESSAGE;
 script_url						return SCRIPT_URL;
 script_chain					return SCRIPT_CHAIN;
 
+
 \{								return OBRACE;
 \}								return EBRACE;
 ;								return SEMICOLON;
@@ -177,6 +180,15 @@ yes|YES|no|NO|[yY]|[nN]			yylval.flag=parse_flag(yytext); return FLAG;
             }
         }
 
+<module>\n								/* ignore EOL */;
+<module>[ \t]+							/* ignore whitespace */;
+<module>\'[a-zA-Z0-9_-]\'	yylval.string=strdup(yytext + 1); yylval.string[strlen(yylval.string) - 1] = '\0'; return MODULE_OPT; 
+<module>\{	return OBRACE;
+<module>\}  return EBRACE;
+<module>\;	return SEMICOLON;
+<module>[a-zA-Z0-9_-]	yylval.string=strdup(yytext); return PARAM;
+<module>\"[^"]+\"	yylval.string=strdup(yytext + 1); yylval.string[strlen(yylval.string) - 1] = '\0'; return QUOTEDSTRING;
+
 %%
 /* 
  * vi:ts=4 
diff --git a/cfg_file.y b/cfg_file.y
index 91f84f4ce..8448933b4 100644
--- a/cfg_file.y
+++ b/cfg_file.y
@@ -26,6 +26,7 @@ extern char *yytext;
 
 struct scriptq *cur_scripts;
 unsigned int cur_scripts_num = 0;
+LIST_HEAD (moduleoptq, module_opt) *cur_module_opt = NULL;
 
 %}
 
@@ -47,9 +48,10 @@ unsigned int cur_scripts_num = 0;
 %token  READ_SERVERS WRITE_SERVER DIRECTORY_SERVERS MAILBOX_QUERY USERS_QUERY LASTLOGIN_QUERY
 %token  MEMCACHED WORKERS REQUIRE MODULE
 %token  FILTER METRIC SCRIPT_HEADER SCRIPT_MIME SCRIPT_MESSAGE SCRIPT_URL SCRIPT_CHAIN SCRIPT_PARAM
+%token  MODULE_OPT, PARAM
 
 %type	<string>	STRING
-%type	<string>	QUOTEDSTRING
+%type	<string>	QUOTEDSTRING MODULE_OPT PARAM
 %type	<string>	FILENAME 
 %type   <string>  	SOCKCRED
 %type	<string>	IPADDR IPNETWORK
@@ -77,6 +79,7 @@ command	:
 	| workers
 	| require
 	| filter
+	| module_opt
 	;
 
 tempdir :
@@ -130,7 +133,7 @@ bind_cred:
 	;
 
 memcached:
-	BEANSTALK OBRACE memcachedbody EBRACE
+	MEMCACHED OBRACE memcachedbody EBRACE
 	;
 
 memcachedbody:
@@ -374,6 +377,32 @@ requirecmd:
 	}
 	;
 
+module_opt:
+	MODULE_OPT OBRACE moduleoptbody EBRACE {
+		g_hash_table_insert (cfg->modules_opts, $1, cur_module_opt);
+		cur_module_opt = NULL;
+	}
+	;
+
+moduleoptbody:
+	optcmd SEMICOLON
+	| moduleoptbody optcmd SEMICOLON
+	;
+
+optcmd:
+	PARAM EQSIGN QUOTEDSTRING {
+		struct module_opt *mopt;
+		if (cur_module_opt == NULL) {
+			cur_module_opt = g_malloc (sizeof (cur_module_opt));
+			LIST_INIT (cur_module_opt);
+		}
+		mopt = g_malloc (sizeof (struct module_opt));
+		mopt->param = $1;
+		mopt->value = $3;
+		LIST_INSERT_HEAD (cur_module_opt, mopt, next);
+	}
+	;
+
 %%
 /* 
  * vi:ts=4 
diff --git a/cfg_utils.c b/cfg_utils.c
index 78c37dabd..83738aea6 100644
--- a/cfg_utils.c
+++ b/cfg_utils.c
@@ -24,6 +24,24 @@
 extern int yylineno;
 extern char *yytext;
 
+static void 
+clean_hash_bucket (gpointer key, gpointer value, gpointer unused)
+{
+	LIST_HEAD (moduleoptq, module_opt) *cur_module_opt = (struct moduleoptq *)value;
+	struct module_opt *cur, *tmp;
+
+	LIST_FOREACH_SAFE (cur, cur_module_opt, next, tmp) {
+		if (cur->param) {
+			free (cur->param);
+		}
+		if (cur->value) {
+			free (cur->value);
+		}
+		LIST_REMOVE (cur, next);
+		free (cur);
+	}
+}
+
 int
 add_memcached_server (struct config_file *cf, char *str)
 {
@@ -126,6 +144,7 @@ init_defaults (struct config_file *cfg)
 	cfg->memcached_protocol = TCP_TEXT;
 
 	cfg->workers_number = DEFAULT_WORKERS_NUM;
+	cfg->modules_opts = g_hash_table_new (g_str_hash, g_str_equal);
 
 	LIST_INIT (&cfg->filters);
 	LIST_INIT (&cfg->perl_modules);
@@ -178,6 +197,10 @@ free_config (struct config_file *cfg)
 		}
 		free (cmodule);
 	}
+
+	g_hash_table_foreach (cfg->modules_opts, clean_hash_bucket, NULL);
+	g_hash_table_remove_all (cfg->modules_opts);
+	g_hash_table_unref (cfg->modules_opts);
 }
 
 int
-- 
2.39.5