X-Git-Url: http://git.ozlabs.org/?p=petitboot;a=blobdiff_plain;f=lib%2Furl%2Furl.c;h=f0e8b0eef610ae7021c6b749fd396ddfa6039be3;hp=6d1004f7f806d2ac6e94cfd9e265be4446eee852;hb=3ac4c8727c54c020014f0731549c80400476a138;hpb=a5db3ced87f5f24500f785b70af8b8630bc1c077

diff --git a/lib/url/url.c b/lib/url/url.c
index 6d1004f..f0e8b0e 100644
--- a/lib/url/url.c
+++ b/lib/url/url.c
@@ -20,9 +20,7 @@
 #include "config.h"
 #endif
 
-#define _GNU_SOURCE
 #include <assert.h>
-#include <stdbool.h>
 #include <string.h>
 
 #include "log/log.h"
@@ -199,19 +197,35 @@ struct pb_url *pb_url_parse(void *ctx, const char *url_str)
 			goto fail;
 		}
 
-		col = strchr(p, ':');
+		col = strrchr(p, ':');
+		if (col <= p)
+			col = NULL;
+		if (col && strchr(col , ']')) {
+			/*
+			 * This is likely an IPv6 address with no port.
+			 * See https://www.ietf.org/rfc/rfc2732.txt
+			 */
+			col = NULL;
+		}
 
 		if (col) {
 			len = path - col - 1;
 			url->port = len ? talloc_strndup(url, col + 1, len)
 				: NULL;
 			len = col - p;
-			url->host = len ? talloc_strndup(url, p, len) : NULL;
 		} else {
 			url->port = NULL;
-			url->host = talloc_strndup(url, p, path - p);
+			len = path - p;
 		}
 
+		if (p[0] == '[' && p[len - 1] == ']')
+			/* IPv6 */
+			url->host = talloc_strndup(url, p + 1, len - 2);
+		else
+			/* IPv4 */
+			url->host = talloc_strndup(url, p, len);
+
+
 		/* remove multiple leading slashes */
 		for (; *path && *(path+1) == '/'; path++)
 			;
@@ -228,18 +242,37 @@ fail:
 	return NULL;
 }
 
-static bool is_url(const char *str)
+bool is_url(const char *str)
 {
 	return strstr(str, "://") != NULL;
 }
 
+int addr_scheme(const char *address)
+{
+	uint8_t buf[sizeof(struct in6_addr)];
+	int rc;
+
+	rc = inet_pton(AF_INET, address , buf);
+	if (rc == 1)
+		return AF_INET;
+	rc = inet_pton(AF_INET6, address , buf);
+	if (rc == 1)
+		return AF_INET6;
+
+	return 0;
+}
+
 char *pb_url_to_string(struct pb_url *url)
 {
 	const struct pb_scheme_info *scheme = pb_url_scheme_info(url->scheme);
 	assert(scheme);
 
-	return talloc_asprintf(url, "%s://%s%s", scheme->str,
-			scheme->has_host ? url->host : "", url->path);
+	if (scheme->has_host && addr_scheme(url->host) == AF_INET6)
+		return talloc_asprintf(url, "%s://[%s]%s", scheme->str,
+				url->host, url->path);
+	else
+		return talloc_asprintf(url, "%s://%s%s", scheme->str,
+				scheme->has_host ? url->host : "", url->path);
 }
 
 static void pb_url_update_full(struct pb_url *url)
@@ -248,19 +281,19 @@ static void pb_url_update_full(struct pb_url *url)
 	url->full = pb_url_to_string(url);
 }
 
-static struct pb_url *pb_url_copy(void *ctx, const struct pb_url *url)
+struct pb_url *pb_url_copy(void *ctx, const struct pb_url *url)
 {
 	struct pb_url *new_url;
 
 	new_url = talloc(ctx, struct pb_url);
 	new_url->scheme = url->scheme;
-	new_url->full = talloc_strdup(url, url->full);
+	new_url->full = talloc_strdup(new_url, url->full);
 
-	new_url->host = url->host ? talloc_strdup(url, url->host) : NULL;
-	new_url->port = url->port ? talloc_strdup(url, url->port) : NULL;
-	new_url->path = url->path ? talloc_strdup(url, url->path) : NULL;
-	new_url->dir  = url->dir  ? talloc_strdup(url, url->dir)  : NULL;
-	new_url->file = url->file ? talloc_strdup(url, url->file) : NULL;
+	new_url->host = url->host ? talloc_strdup(new_url, url->host) : NULL;
+	new_url->port = url->port ? talloc_strdup(new_url, url->port) : NULL;
+	new_url->path = url->path ? talloc_strdup(new_url, url->path) : NULL;
+	new_url->dir  = url->dir  ? talloc_strdup(new_url, url->dir)  : NULL;
+	new_url->file = url->file ? talloc_strdup(new_url, url->file) : NULL;
 
 	return new_url;
 }