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autofs-5.1.4 - fix fd leak in rpc_do_create_client()
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From: Ian Kent <raven@themaw.net>
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Commit 94f87e203a (fix create_client() RPC client handling) fixed
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possible use of an invalid RPC client handle but the change neglected
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to account for a check in rpc_do_create_client() that would open a new
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file descriptor without checking if the passed in descriptor was
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already opened.
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Signed-off-by: Ian Kent <raven@themaw.net>
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---
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CHANGELOG | 1 +
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lib/rpc_subs.c | 4 ++--
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2 files changed, 3 insertions(+), 2 deletions(-)
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--- autofs-5.1.4.orig/CHANGELOG
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+++ autofs-5.1.4/CHANGELOG
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@@ -24,6 +24,7 @@ xx/xx/2018 autofs-5.1.5
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- add units After line to include statd service.
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- use systemd sd_notify() at startup.
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- fix NFS version mask usage.
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+- fix fd leak in rpc_do_create_client().
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19/12/2017 autofs-5.1.4
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- fix spec file url.
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--- autofs-5.1.4.orig/lib/rpc_subs.c
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+++ autofs-5.1.4/lib/rpc_subs.c
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@@ -183,7 +183,7 @@ static int rpc_do_create_client(struct s
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in4_laddr.sin_addr.s_addr = htonl(INADDR_ANY);
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slen = sizeof(struct sockaddr_in);
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- if (!info->client) {
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+ if (!info->client && *fd == RPC_ANYSOCK) {
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struct sockaddr *laddr;
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*fd = open_sock(addr->sa_family, type, proto);
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@@ -296,7 +296,7 @@ static int rpc_do_create_client(struct s
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* it would bind to a reserved port, which has been shown to
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* exhaust the reserved port range in some situations.
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*/
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- if (!info->client) {
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+ if (!info->client && *fd == RPC_ANYSOCK) {
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*fd = open_sock(addr->sa_family, type, proto);
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if (*fd < 0) {
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ret = -errno;
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