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- From cb31827d62066a04b02111df3052949fda4b6888 Mon Sep 17 00:00:00 2001
- From: =?UTF-8?q?Zbigniew=20J=C4=99drzejewski-Szmek?= <zbyszek@in.waw.pl>
- Date: Mon, 23 Nov 2015 13:59:43 -0500
- Subject: [PATCH] nss-mymachines: do not allow overlong machine names
- https://github.com/systemd/systemd/issues/2002
- ---
- src/nss-mymachines/nss-mymachines.c | 6 ++++++
- 1 file changed, 6 insertions(+)
- diff --git a/src/nss-mymachines/nss-mymachines.c b/src/nss-mymachines/nss-mymachines.c
- index 969fa96..c98a959 100644
- --- a/src/nss-mymachines/nss-mymachines.c
- +++ b/src/nss-mymachines/nss-mymachines.c
- @@ -416,6 +416,9 @@ enum nss_status _nss_mymachines_getpwnam_r(
- if (!e || e == p)
- goto not_found;
-
- + if (e - p > HOST_NAME_MAX - 1) /* -1 for the last dash */
- + goto not_found;
- +
- r = parse_uid(e + 1, &uid);
- if (r < 0)
- goto not_found;
- @@ -573,6 +576,9 @@ enum nss_status _nss_mymachines_getgrnam_r(
- if (!e || e == p)
- goto not_found;
-
- + if (e - p > HOST_NAME_MAX - 1) /* -1 for the last dash */
- + goto not_found;
- +
- r = parse_gid(e + 1, &gid);
- if (r < 0)
- goto not_found;
- --
- 2.6.3
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