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sd-bus: don't blindly take incomplete ucred bits from AF_UNIX when constructing message

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Lennart Poettering
2014-11-25 14:28:34 +01:00
parent bdb074a562
commit dc18cefdc3
1 changed files with 12 additions and 2 deletions
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src/libsystemd/sd-bus/bus-message.c
+12 -2
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@@ -420,10 +420,20 @@ int bus_message_from_header(
m->n_fds = n_fds;
if (ucred) {
m->creds.uid = ucred->uid;
m->creds.pid = ucred->pid;
m->creds.uid = ucred->uid;
m->creds.gid = ucred->gid;
m->creds.mask |= SD_BUS_CREDS_UID | SD_BUS_CREDS_PID | SD_BUS_CREDS_GID;
/* Due to namespace translations some data might be
* missing from this ucred record. */
if (m->creds.pid > 0)
m->creds.mask |= SD_BUS_CREDS_PID;
if (m->creds.uid != (uid_t) -1)
m->creds.mask |= SD_BUS_CREDS_UID;
if (m->creds.gid != (gid_t) -1)
m->creds.mask |= SD_BUS_CREDS_GID;
}
if (label) {