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Make getent services compliant with RFC 6335 section 5.1 Fixes bug 15374

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The RFC 6335 allows services that start with digit (like 3com-tsmux).
These were parsed as port number which this patch fixes.
This commit is contained in:
Ondřej Bílka 2013-11-07 12:46:57 +01:00
parent 8d6bb57c44
commit e4368156e6
3 changed files with 18 additions and 9 deletions
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5
ChangeLog
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@ -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]

14
NEWS
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@ -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

8
nss/getent.c
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@ -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);