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Revert "Handle Unix domain socket connections from outside our namespace"

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This reverts commit 9754d56e9b.

It causes a crash in PID1:
  Apr 19 13:49:32 lon systemd[1]: Code should not be reached 'Unhandled socket type.'
                                  at src/core/socket.c:684, function instance_from_socket(). Aborting.
  Apr 19 13:49:32 lon systemd[1]: Caught <ABRT>, dumped core as pid 336.
  Apr 19 13:49:32 lon systemd[1]: Freezing execution.
This commit is contained in:
Kay Sievers 2014-04-19 13:53:11 +02:00
parent a606871da5
commit 2f20a8ebdb
1 changed files with 10 additions and 14 deletions
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24
src/core/socket.c
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@ -663,21 +663,17 @@ static int instance_from_socket(int fd, unsigned nr, char **instance) {
int k;
k = getpeercred(fd, &ucred);
if (k >= 0) {
if (asprintf(&r,
"%u-"PID_FMT"-"UID_FMT,
nr, ucred.pid, ucred.uid) < 0)
return -ENOMEM;
} else if (k == -ENODATA) {
/* This handles the case where somebody is
* connecting from another pid/uid namespace
* (e.g. from outside of our container). */
if (asprintf(&r,
"%u-unknown",
nr) < 0)
return -ENOMEM;
} else
if (k < 0)
return k;
if (asprintf(&r,
"%u-%lu-%lu",
nr,
(unsigned long) ucred.pid,
(unsigned long) ucred.uid) < 0)
return -ENOMEM;
break;
}
default: