diff options
Diffstat (limited to 'src/libsystemd-network/dhcp-identifier.c')
| -rw-r--r-- | src/libsystemd-network/dhcp-identifier.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/libsystemd-network/dhcp-identifier.c b/src/libsystemd-network/dhcp-identifier.c index c768adeb6..07496adaa 100644 --- a/src/libsystemd-network/dhcp-identifier.c +++ b/src/libsystemd-network/dhcp-identifier.c @@ -18,13 +18,19 @@ #define APPLICATION_ID SD_ID128_MAKE(a5,0a,d1,12,bf,60,45,77,a2,fb,74,1a,b1,95,5b,03) #define USEC_2000 ((usec_t) 946684800000000) /* 2000-01-01 00:00:00 UTC */ -int dhcp_validate_duid_len(uint16_t duid_type, size_t duid_len) { +int dhcp_validate_duid_len(uint16_t duid_type, size_t duid_len, bool strict) { struct duid d; assert_cc(sizeof(d.raw) >= MAX_DUID_LEN); if (duid_len > MAX_DUID_LEN) return -EINVAL; + if (!strict) { + /* Strict validation is not requested. We only ensure that the + * DUID is not too long. */ + return 0; + } + switch (duid_type) { case DUID_TYPE_LLT: if (duid_len <= sizeof(d.llt)) |