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| author | Denis Vlasenko | 2009-04-21 00:41:57 +0000 |
|---|---|---|
| committer | Denis Vlasenko | 2009-04-21 00:41:57 +0000 |
| commit | 76478b8091d4c3472fb0c7e572c350d150ecd459 (patch) | |
| tree | 1353dc1a9eee47777a6e7a8ece6d056d2d38ce92 | |
| parent | 0ad82344743e990e6985a8ee1b39a85fc4126084 (diff) | |
| download | busybox-76478b8091d4c3472fb0c7e572c350d150ecd459.zip busybox-76478b8091d4c3472fb0c7e572c350d150ecd459.tar.gz | |
udhcpc: fix truncation of last char in client hostnames
| -rw-r--r-- | networking/udhcp/leases.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/networking/udhcp/leases.c b/networking/udhcp/leases.c index 6e1398d..e17fb9e 100644 --- a/networking/udhcp/leases.c +++ b/networking/udhcp/leases.c @@ -63,7 +63,8 @@ struct dhcpOfferedAddr* FAST_FUNC add_lease( if (oldest) { oldest->hostname[0] = '\0'; if (hostname) { - hostname_length = hostname[-1]; /* look at option size byte */ + /* option size byte, + 1 for NUL */ + hostname_length = hostname[-1] + 1; if (hostname_length > sizeof(oldest->hostname)) hostname_length = sizeof(oldest->hostname); hostname = (uint8_t*) safe_strncpy((char*)oldest->hostname, (char*)hostname, hostname_length); |