make the mime types fixed-sized too

gmid.h

@@ -70,6 +70,9 @@
 #define DOMAIN_NAME_LEN	(253+1)
 #define LABEL_LEN	(63+1)
 
+#define MEDIATYPE_NAMEMAX	128	/* file name extension */
+#define MEDIATYPE_TYPEMAX	128	/* length of type/subtype */
+
 #define FCGI_MAX	32
 #define PROC_MAX	16
 
@@ -175,8 +178,8 @@ struct vhost {
 };
 
 struct etm {			/* extension to mime */
-	char	*mime;
-	char	*ext;
+	char	 mime[MEDIATYPE_TYPEMAX];
+	char	 ext[MEDIATYPE_NAMEMAX];
 };
 
 struct mime {

mime.c

@@ -35,7 +35,6 @@ init_mime(struct mime *mime)
 int
 add_mime(struct mime *mime, const char *mt, const char *ext)
 {
-	char *mimetype, *extension;
 	struct etm *t;
 	size_t newcap;
 
@@ -49,15 +48,11 @@ add_mime(struct mime *mime, const char *mt, const char *ext)
 		mime->cap = newcap;
 	}
 
-	if ((mimetype = strdup(mt)) == NULL)
+	t = &mime->t[mime->len];
+	if (strlcpy(t->mime, mt, sizeof(t->mime)) >= sizeof(t->mime))
 		return -1;
-	if ((extension = strdup(ext)) == NULL) {
-		free(mimetype);
+	if (strlcpy(t->ext, ext, sizeof(t->ext)) >= sizeof(t->ext))
 		return -1;
-	}
-
-	mime->t[mime->len].mime = mimetype;
-	mime->t[mime->len].ext  = extension;
 	mime->len++;
 	return 0;
 }
@@ -157,12 +152,5 @@ mime(struct vhost *host, const char *path)
 void
 free_mime(struct mime *m)
 {
-	struct etm *t;
-
-	for (t = m->t; t->mime != NULL; ++t) {
-		free(t->mime);
-		free(t->ext);
-	}
-
 	free(m->t);
 }

parse.y

@@ -225,6 +225,8 @@ option		: CHROOT string	{
 			    "`types' block.");
 			if (add_mime(&conf.mime, $2, $3) == -1)
 				err(1, "add_mime");
+			free($2);
+			free($3);
 		}
 		| MAP string TOEXT string {
 			yywarn("`map mime to-ext' is deprecated and will be "
@@ -232,6 +234,8 @@ option		: CHROOT string	{
 			    "`types' block.");
 			if (add_mime(&conf.mime, $2, $4) == -1)
 				err(1, "add_mime");
+			free($2);
+			free($4);
 		}
 		| PORT NUM		{ conf.port = check_port_num($2); }
 		| PREFORK NUM		{ conf.prefork = check_prefork_num($2); }
@@ -477,7 +481,10 @@ mediaopts_l	: mediaopts_l mediaoptsl nl
 		| mediaoptsl nl
 		;
 
-mediaoptsl	: STRING { current_media = $1; } medianames_l optsemicolon
+mediaoptsl	: STRING {
+			free(current_media);
+			current_media = $1;
+		} medianames_l optsemicolon
 		| include
 		;
 
@@ -488,6 +495,7 @@ medianames_l	: medianames_l medianamesl
 medianamesl	: numberstring {
 			if (add_mime(&conf.mime, current_media, $1) == -1)
 				err(1, "add_mime");
+			free($1);
 		}
 		;