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BUG/MEDIUM: namespaces: don't fail if no namespace is used 

Susheel Jalali reported a confusing bug in namespaces implementation.
If namespaces are enabled at build time (USE_NS=1) and *no* namespace
is used at all in the whole config file, my_socketat() returns -1 and
all socket bindings fail. This is because of a wrong condition in this
function. A possible workaround consists in creating some namespaces.
This commit is contained in:
Willy Tarreau 2015-10-20 15:14:07 +02:00
parent 5d681ba976
commit 70f289cf8d
1 changed files with 2 additions and 3 deletions
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5
src/namespace.c
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@ -97,14 +97,13 @@ int my_socketat(const struct netns_entry *ns, int domain, int type, int protocol
int sock;
#ifdef CONFIG_HAP_NS
if (default_namespace < 0 ||
(ns && setns(ns->fd, CLONE_NEWNET) == -1))
if (default_namespace >= 0 && ns && setns(ns->fd, CLONE_NEWNET) == -1)
return -1;
#endif
sock = socket(domain, type, protocol);
#ifdef CONFIG_HAP_NS
if (ns && setns(default_namespace, CLONE_NEWNET) == -1) {
if (default_namespace >= 0 && ns && setns(default_namespace, CLONE_NEWNET) == -1) {
close(sock);
return -1;
}