diff options
Diffstat (limited to 'accel-pppd/ctrl/ipoe/dhcpv4.c')
| -rw-r--r-- | accel-pppd/ctrl/ipoe/dhcpv4.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/accel-pppd/ctrl/ipoe/dhcpv4.c b/accel-pppd/ctrl/ipoe/dhcpv4.c index 86aba87..e842f38 100644 --- a/accel-pppd/ctrl/ipoe/dhcpv4.c +++ b/accel-pppd/ctrl/ipoe/dhcpv4.c @@ -44,6 +44,7 @@ static mempool_t opt_pool; static LIST_HEAD(relay_list); static int dhcpv4_read(struct triton_md_handler_t *h); +int dhcpv4_packet_add_opt(struct dhcpv4_packet *pack, int type, const void *data, int len); static struct dhcpv4_iprange *parse_range(const char *str) { @@ -433,6 +434,27 @@ int dhcpv4_parse_opt82(struct dhcpv4_option *opt, uint8_t **agent_circuit_id, ui return 0; } +int dhcpv4_packet_insert_opt82(struct dhcpv4_packet *pack, const char *agent_circuit_id, const char *agent_remote_id) +{ + int len1 = strlen(agent_circuit_id); + int len2 = strlen(agent_remote_id); + uint8_t *data = _malloc(4 + len1 + len2); + uint8_t *ptr = data; + int r; + + *ptr++ = 1; + *ptr++ = len1; + memcpy(ptr, agent_circuit_id, len1); ptr += len1; + + *ptr++ = 2; + *ptr++ = len2; + memcpy(ptr, agent_remote_id, len2); ptr += len2; + + r = dhcpv4_packet_add_opt(pack, 82, data, 4 + len1 + len2); + _free(data); + + return r; +} static int dhcpv4_read(struct triton_md_handler_t *h) { @@ -629,6 +651,9 @@ int dhcpv4_packet_add_opt(struct dhcpv4_packet *pack, int type, const void *data list_add_tail(&opt->entry, &pack->options); + if (type == 82) + pack->relay_agent = opt; + return 0; } |