[Pkg-gnupg-commit] [gnupg2] 161/292: agent: --supervised mode improvements.
Daniel Kahn Gillmor
dkg at fifthhorseman.net
Mon Nov 21 06:31:37 UTC 2016
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dkg pushed a commit to branch master
in repository gnupg2.
commit 27f6d5b9f4b6057ddeb9ace87a1e7e61ebac63e6
Author: Daniel Kahn Gillmor <dkg at fifthhorseman.net>
Date: Tue Oct 25 23:55:08 2016 -0400
agent: --supervised mode improvements.
* agent/gpg-agent.c (map_supervised_socket): if the agent is running
in --supervised mode and is not actually given LISTEN_FDNAMES
directives, require at least fd 3 to be open for listening.
--
Signed-off-by: Daniel Kahn Gillmor <dkg at fifthhorseman.net>
---
agent/gpg-agent.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/agent/gpg-agent.c b/agent/gpg-agent.c
index 16edae0..8e2d012 100644
--- a/agent/gpg-agent.c
+++ b/agent/gpg-agent.c
@@ -716,12 +716,19 @@ map_supervised_sockets (gnupg_fd_t *r_fd,
/* Assign the descriptors to the return values. */
if (!fdnames)
{
+ struct stat statbuf;
if (fd_count != 1)
log_error ("no LISTEN_FDNAMES and LISTEN_FDS (%d) != 1"
" in --supervised mode."
" (ignoring all sockets but the first one)\n",
fd_count);
+ if (fstat (3, &statbuf) == -1 && errno ==EBADF)
+ log_fatal ("file descriptor 3 must be valid in --supervised mode (as the "
+ "agent's standard socket) if LISTEN_FDNAMES is not set\n");
*r_fd = 3;
+ socket_name = get_socket_name (3);
+ if (!socket_name)
+ log_error ("cannot learn socket name for fd 3\n");
}
else if (fd_count != nfdnames)
{
--
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