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conmon: Make console socket mode 0700

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It doesn't make sense for other users to connect to this, so
lets make sure of this.

Signed-off-by: Alexander Larsson <alexl@redhat.com>
This commit is contained in:
Alexander Larsson 2017-06-02 15:31:43 +02:00
parent f1b0f542e1
commit f4b3e90141
1 changed files with 3 additions and 0 deletions
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3
conmon/conmon.c
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@ -14,6 +14,7 @@
#include <sys/un.h>
#include <sys/wait.h>
#include <sys/eventfd.h>
#include <sys/stat.h>
#include <syslog.h>
#include <unistd.h>
@ -549,6 +550,8 @@ int main(int argc, char *argv[])
csfd = socket(AF_UNIX, SOCK_STREAM|SOCK_CLOEXEC, 0);
if (csfd < 0)
pexit("Failed to create console-socket");
if (fchmod(csfd, 0700))
pexit("Failed to change console-socket permissions");
/* XXX: This should be handled with a rename(2). */
if (unlink(csname) < 0)
pexit("Failed to unlink temporary ranom path");