dhcp6: don't enforce DUID content for sd_dhcp6_client_set_duid()

[thirdparty/systemd.git] / src / libsystemd-network / dhcp-identifier.c

diff --git a/src/libsystemd-network/dhcp-identifier.c b/src/libsystemd-network/dhcp-identifier.c
index c768adeb6da39ff2a1f540bd201e4e9606b69b36..07496adaa390f06555810d0cfb8ea5121b13c1c5 100644 (file)
--- 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))