MINOR: ssl: ckch_store_new_load_files_conf() loads filenames from ckch_conf

ckch_store_new_load_files_conf() is the equivalent of
new_ckch_store_load_files_path() but instead of trying to find the files
using a base filename, it will load them from a list of files.

include/haproxy/ssl_ckch.h

@@ -38,6 +38,7 @@ int ssl_sock_load_issuer_file_into_ckch(const char *path, char *buf, struct ckch
 
 /* ckch_store functions */
 struct ckch_store *ckch_store_new_load_files_path(char *path, char **err);
+struct ckch_store *ckch_store_new_load_files_conf(char *name, struct ckch_conf *conf, char **err);
 struct ckch_store *ckchs_lookup(char *path);
 struct ckch_store *ckchs_dup(const struct ckch_store *src);
 struct ckch_store *ckch_store_new(const char *filename);

src/ssl_ckch.c

@@ -1019,6 +1019,35 @@ struct ckch_store *ckch_store_new_load_files_path(char *path, char **err)
 	return NULL;
 }
 
+/*
+ * This function allocate a ckch_store and populate it with certificates using
+ * the ckch_conf structure.
+ */
+struct ckch_store *ckch_store_new_load_files_conf(char *name, struct ckch_conf *conf, char **err)
+{
+	struct ckch_store *ckchs;
+	int cfgerr = ERR_NONE;
+
+	ckchs = ckch_store_new(name);
+	if (!ckchs) {
+		memprintf(err, "%sunable to allocate memory.\n", err && *err ? *err : "");
+		goto end;
+	}
+
+	cfgerr = ckch_store_load_files(conf, ckchs, err);
+	if (cfgerr & ERR_FATAL)
+		goto end;
+
+	/* insert into the ckchs tree */
+	memcpy(ckchs->path, name, strlen(name) + 1);
+	ebst_insert(&ckchs_tree, &ckchs->node);
+	return ckchs;
+
+end:
+	ckch_store_free(ckchs);
+
+	return NULL;
+}
 
 /********************  ckch_inst functions ******************************/