diff options
Diffstat (limited to 'networking/udhcp/packet.c')
-rw-r--r-- | networking/udhcp/packet.c | 34 |
1 files changed, 24 insertions, 10 deletions
diff --git a/networking/udhcp/packet.c b/networking/udhcp/packet.c index da38077..272e79d 100644 --- a/networking/udhcp/packet.c +++ b/networking/udhcp/packet.c @@ -41,16 +41,17 @@ void udhcp_init_header(struct dhcpMessage *packet, char type) /* read a packet from socket fd, return -1 on read error, -2 on packet error */ int udhcp_get_packet(struct dhcpMessage *packet, int fd) { +#if 0 static const char broken_vendors[][8] = { "MSFT 98", "" }; +#endif int bytes; - int i; - char unsigned *vendor; + unsigned char *vendor; - memset(packet, 0, sizeof(struct dhcpMessage)); - bytes = read(fd, packet, sizeof(struct dhcpMessage)); + memset(packet, 0, sizeof(*packet)); + bytes = read(fd, packet, sizeof(*packet)); if (bytes < 0) { DEBUG("cannot read on listening socket, ignoring"); return -1; @@ -62,15 +63,28 @@ int udhcp_get_packet(struct dhcpMessage *packet, int fd) } DEBUG("Received a packet"); - if (packet->op == BOOTREQUEST && (vendor = get_option(packet, DHCP_VENDOR))) { - for (i = 0; broken_vendors[i][0]; i++) { - if (vendor[OPT_LEN - 2] == (uint8_t)strlen(broken_vendors[i]) - && !strncmp((char*)vendor, broken_vendors[i], vendor[OPT_LEN - 2]) + if (packet->op == BOOTREQUEST) { + vendor = get_option(packet, DHCP_VENDOR); + if (vendor) { +#if 0 + int i; + for (i = 0; broken_vendors[i][0]; i++) { + if (vendor[OPT_LEN - 2] == (uint8_t)strlen(broken_vendors[i]) + && !strncmp((char*)vendor, broken_vendors[i], vendor[OPT_LEN - 2]) + ) { + DEBUG("broken client (%s), forcing broadcast", + broken_vendors[i]); + packet->flags |= htons(BROADCAST_FLAG); + } + } +#else + if (vendor[OPT_LEN - 2] == (uint8_t)(sizeof("MSFT 98")-1) + && memcmp(vendor, "MSFT 98", sizeof("MSFT 98")-1) == 0 ) { - DEBUG("broken client (%s), forcing broadcast", - broken_vendors[i]); + DEBUG("broken client (%s), forcing broadcast", "MSFT 98"); packet->flags |= htons(BROADCAST_FLAG); } +#endif } } |