diff options
Diffstat (limited to 'accel-pppd/radius/packet.c')
| -rw-r--r-- | accel-pppd/radius/packet.c | 111 |
1 files changed, 109 insertions, 2 deletions
diff --git a/accel-pppd/radius/packet.c b/accel-pppd/radius/packet.c index 892cc49..7f90a10 100644 --- a/accel-pppd/radius/packet.c +++ b/accel-pppd/radius/packet.c @@ -7,6 +7,7 @@ #include <fcntl.h> #include <sys/mman.h> #include <linux/mman.h> +#include <arpa/inet.h> #include "log.h" #include "mempool.h" @@ -87,11 +88,18 @@ int rad_packet_build(struct rad_packet_t *pack, uint8_t *RA) memcpy(ptr, attr->val.string, attr->len); break; case ATTR_TYPE_IPADDR: - *(in_addr_t*)ptr = attr->val.ipaddr; + case ATTR_TYPE_IFID: + case ATTR_TYPE_IPV6ADDR: + memcpy(ptr, &attr->val, attr->len); break; case ATTR_TYPE_DATE: *(uint32_t*)ptr = htonl(attr->val.date); break; + case ATTR_TYPE_IPV6PREFIX: + ptr[0] = 0; + ptr[1] = attr->val.ipv6prefix.len; + memcpy(ptr + 2, &attr->val.ipv6prefix.prefix, sizeof(attr->val.ipv6prefix.prefix)); + break; default: log_emerg("radius:packet:BUG: unknown attribute type\n"); abort(); @@ -222,7 +230,14 @@ int rad_packet_recv(int fd, struct rad_packet_t **p, struct sockaddr_in *addr) attr->val.integer = ntohl(*(uint32_t*)ptr); break; case ATTR_TYPE_IPADDR: - attr->val.integer = *(uint32_t*)ptr; + case ATTR_TYPE_IFID: + case ATTR_TYPE_IPV6ADDR: + memcpy(&attr->val.integer, ptr, len); + break; + case ATTR_TYPE_IPV6PREFIX: + attr->val.ipv6prefix.len = ptr[1]; + memset(&attr->val.ipv6prefix.prefix, 0, sizeof(attr->val.ipv6prefix.prefix)); + memcpy(&attr->val.ipv6prefix.prefix, ptr + 2, len - 2); break; } list_add_tail(&attr->entry, &pack->attrs); @@ -264,6 +279,11 @@ void rad_packet_print(struct rad_packet_t *pack, void (*print)(const char *fmt, { struct rad_attr_t *attr; struct rad_dict_value_t *val; + char ip_str[50]; + union { + uint64_t ifid; + uint16_t u16[4]; + } ifid_u; print("[RADIUS "); switch(pack->code) { @@ -327,6 +347,18 @@ void rad_packet_print(struct rad_packet_t *pack, void (*print)(const char *fmt, case ATTR_TYPE_IPADDR: print("%i.%i.%i.%i", attr->val.ipaddr & 0xff, (attr->val.ipaddr >> 8) & 0xff, (attr->val.ipaddr >> 16) & 0xff, (attr->val.ipaddr >> 24) & 0xff); break; + case ATTR_TYPE_IFID: + ifid_u.ifid = attr->val.ifid; + print("%x:%x:%x:%x", ntohs(ifid_u.u16[0]), ntohs(ifid_u.u16[1]), ntohs(ifid_u.u16[2]), ntohs(ifid_u.u16[3])); + break; + case ATTR_TYPE_IPV6ADDR: + inet_ntop(AF_INET6, &attr->val.ipv6addr, ip_str, sizeof(ip_str)); + print("%s", ip_str); + break; + case ATTR_TYPE_IPV6PREFIX: + inet_ntop(AF_INET6, &attr->val.ipv6prefix.prefix, ip_str, sizeof(ip_str)); + print("%s/%i", ip_str, attr->val.ipv6prefix.len); + break; } print(">"); } @@ -596,6 +628,81 @@ int __export rad_packet_add_ipaddr(struct rad_packet_t *pack, const char *vendor return rad_packet_add_int(pack, vendor_name, name, ipaddr); } +int rad_packet_add_ifid(struct rad_packet_t *pack, const char *vendor_name, const char *name, uint64_t ifid) +{ + struct rad_attr_t *ra; + struct rad_dict_attr_t *attr; + struct rad_dict_vendor_t *vendor; + + if (pack->len + (vendor_name ? 8 : 2) + 8 >= REQ_LENGTH_MAX) + return -1; + + if (vendor_name) { + vendor = rad_dict_find_vendor_name(vendor_name); + if (!vendor) + return -1; + attr = rad_dict_find_vendor_attr(vendor, name); + } else { + vendor = NULL; + attr = rad_dict_find_attr(name); + } + + if (!attr) + return -1; + + ra = mempool_alloc(attr_pool); + if (!ra) + return -1; + + memset(ra, 0, sizeof(*ra)); + ra->vendor = vendor; + ra->attr = attr; + ra->len = 8; + ra->val.ifid = ifid; + list_add_tail(&ra->entry, &pack->attrs); + pack->len += (vendor_name ? 8 : 2) + 8; + + return 0; +} + +int rad_packet_add_ipv6prefix(struct rad_packet_t *pack, const char *vendor_name, const char *name, struct in6_addr *prefix, int len) +{ + struct rad_attr_t *ra; + struct rad_dict_attr_t *attr; + struct rad_dict_vendor_t *vendor; + + if (pack->len + (vendor_name ? 8 : 2) + 18 >= REQ_LENGTH_MAX) + return -1; + + if (vendor_name) { + vendor = rad_dict_find_vendor_name(vendor_name); + if (!vendor) + return -1; + attr = rad_dict_find_vendor_attr(vendor, name); + } else { + vendor = NULL; + attr = rad_dict_find_attr(name); + } + + if (!attr) + return -1; + + ra = mempool_alloc(attr_pool); + if (!ra) + return -1; + + memset(ra, 0, sizeof(*ra)); + ra->vendor = vendor; + ra->attr = attr; + ra->len = 18; + ra->val.ipv6prefix.len = len; + ra->val.ipv6prefix.prefix = *prefix; + list_add_tail(&ra->entry, &pack->attrs); + pack->len += (vendor_name ? 8 : 2) + 18; + + return 0; +} + struct rad_attr_t __export *rad_packet_find_attr(struct rad_packet_t *pack, const char *vendor_name, const char *name) { |