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Be more accepting about the format of node IDs.

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Submitted by: Brian Somers <brian@Awfulhak.org>
This commit is contained in:
julian 1999-11-07 04:18:20 +00:00
parent c8d866094f
commit ce5e8ccdd8
1 changed files with 2 additions and 2 deletions
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4
sys/netgraph/ng_base.c
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@ -418,12 +418,12 @@ ng_decodeidname(const char *name)
/* Check for proper length, brackets, no leading junk */
if (len < 3 || name[0] != '[' || name[len - 1] != ']'
|| !isxdigit(name[1]) || name[1] == '0') /* "[0]" is not valid */
|| !isxdigit(name[1]))
return (0);
/* Decode number */
val = strtoul(name + 1, &eptr, 16);
if (eptr - name != len - 1 || val == ULONG_MAX)
if (eptr - name != len - 1 || val == ULONG_MAX || val == 0)
return (0);
return (ng_ID_t)val;
}