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udhcpd: fix hostname truncation bug 1663 

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
1_17_stable
Denys Vlasenko 2010-05-02 14:17:07 +02:00
parent 0a2c793bd6
commit fde3fb3009
1 changed files with 2 additions and 0 deletions
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2
networking/udhcp/leases.c
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@ -60,6 +60,8 @@ struct dyn_lease* FAST_FUNC add_lease(
memset(oldest, 0, sizeof(*oldest)); memset(oldest, 0, sizeof(*oldest));
if (hostname) { if (hostname) {
char *p; char *p;
hostname_len++; /* include NUL */
if (hostname_len > sizeof(oldest->hostname)) if (hostname_len > sizeof(oldest->hostname))
hostname_len = sizeof(oldest->hostname); hostname_len = sizeof(oldest->hostname);
p = safe_strncpy(oldest->hostname, hostname, hostname_len); p = safe_strncpy(oldest->hostname, hostname, hostname_len);