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authorOndřej Bílka <neleai@seznam.cz>2013-11-07 12:46:57 +0100
committerOndřej Bílka <neleai@seznam.cz>2013-11-07 12:51:44 +0100
commite4368156e64e04a204d832351abcb535572eb919 (patch)
tree764a98186b46f3ef1c611865d092de326fbce675
parent8d6bb57c44557c344d56653c3380885bf1dcabd7 (diff)
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Make getent services compliant with RFC 6335 section 5.1 Fixes bug 15374
The RFC 6335 allows services that start with digit (like 3com-tsmux). These were parsed as port number which this patch fixes.
-rw-r--r--ChangeLog5
-rw-r--r--NEWS14
-rw-r--r--nss/getent.c8
3 files changed, 18 insertions, 9 deletions
diff --git a/ChangeLog b/ChangeLog
index 3b65d5a7b9..0cd33743db 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2013-11-07 Ondřej Bílka <neleai@seznam.cz>
+
+ [BZ #15374]
+ * nss/getent.c (services_keys): Recognize services starting with digit.
+
2013-11-06 David S. Miller <davem@davemloft.net>
[BZ #15985]
diff --git a/NEWS b/NEWS
index bb1db5b0a9..6a727246ac 100644
--- a/NEWS
+++ b/NEWS
@@ -11,13 +11,13 @@ Version 2.19
156, 431, 832, 2801, 7003, 9954, 10278, 11087, 13028, 13982, 13985,
14029, 14155, 14547, 14699, 14752, 14876, 14910, 15048, 15218, 15277,
- 15308, 15362, 15400, 15427, 15522, 15531, 15532, 15608, 15609, 15610,
- 15632, 15640, 15670, 15672, 15680, 15681, 15723, 15734, 15735, 15736,
- 15748, 15749, 15754, 15760, 15763, 15764, 15797, 15799, 15825, 15844,
- 15847, 15849, 15855, 15856, 15857, 15859, 15867, 15886, 15887, 15890,
- 15892, 15893, 15895, 15897, 15905, 15909, 15917, 15919, 15921, 15923,
- 15939, 15948, 15963, 15966, 15985, 15988, 16032, 16034, 16036, 16037,
- 16041, 16071, 16072, 16074, 16078, 16112.
+ 15308, 15362, 15374, 15400, 15427, 15522, 15531, 15532, 15608, 15609,
+ 15610, 15632, 15640, 15670, 15672, 15680, 15681, 15723, 15734, 15735,
+ 15736, 15748, 15749, 15754, 15760, 15763, 15764, 15797, 15799, 15825,
+ 15844, 15847, 15849, 15855, 15856, 15857, 15859, 15867, 15886, 15887,
+ 15890, 15892, 15893, 15895, 15897, 15905, 15909, 15917, 15919, 15921,
+ 15923, 15939, 15948, 15963, 15966, 15985, 15988, 16032, 16034, 16036,
+ 16037, 16041, 16071, 16072, 16074, 16078, 16112.
* CVE-2012-4412 The strcoll implementation caches indices and rules for
large collation sequences to optimize multiple passes. This cache
diff --git a/nss/getent.c b/nss/getent.c
index 8a3c864501..05ea80825a 100644
--- a/nss/getent.c
+++ b/nss/getent.c
@@ -788,8 +788,12 @@ services_keys (int number, char *key[])
if (proto != NULL)
*proto++ = '\0';
- if (isdigit (key[i][0]))
- serv = getservbyport (htons (atol (key[i])), proto);
+ char *endptr;
+ long port = strtol (key[i], &endptr, 10);
+
+ if (isdigit (key[i][0]) && *endptr == '\0'
+ && 0 <= port && port <= 65535)
+ serv = getservbyport (htons (port), proto);
else
serv = getservbyname (key[i], proto);