diff options
Diffstat (limited to 'networking/udhcp')
| -rw-r--r-- | networking/udhcp/common.h | 2 | ||||
| -rw-r--r-- | networking/udhcp/files.c | 20 | ||||
| -rw-r--r-- | networking/udhcp/packet.c | 6 |
3 files changed, 13 insertions, 15 deletions
diff --git a/networking/udhcp/common.h b/networking/udhcp/common.h index 2179c5395..15fe785c1 100644 --- a/networking/udhcp/common.h +++ b/networking/udhcp/common.h @@ -176,7 +176,7 @@ uint8_t *dname_enc(const uint8_t *cstr, int clen, const char *src, int *retlen) // RFC 2131 Table 5: Fields and options used by DHCP clients // -// Fiels 'hops', 'yiaddr', 'siaddr', 'giaddr' are always zero +// Fields 'hops', 'yiaddr', 'siaddr', 'giaddr' are always zero // // Field DHCPDISCOVER DHCPINFORM DHCPREQUEST DHCPDECLINE DHCPRELEASE // ----- ------------ ------------ ----------- ----------- ----------- diff --git a/networking/udhcp/files.c b/networking/udhcp/files.c index 968d8ed79..05a7b998a 100644 --- a/networking/udhcp/files.c +++ b/networking/udhcp/files.c @@ -34,11 +34,6 @@ static int FAST_FUNC read_nip(const char *line, void *arg) return 1; } -static int FAST_FUNC read_mac(const char *line, void *arg) -{ - return NULL == ether_aton_r(line, (struct ether_addr *)arg); -} - static int FAST_FUNC read_str(const char *line, void *arg) { char **dest = arg; @@ -242,6 +237,7 @@ static int FAST_FUNC read_opt(const char *const_line, void *arg) if (retval) attach_option(opt_list, option, opt, length); } while (retval && option->flags & OPTION_LIST); + return retval; } @@ -250,19 +246,21 @@ static int FAST_FUNC read_staticlease(const char *const_line, void *arg) char *line; char *mac_string; char *ip_string; - struct ether_addr mac_bytes; - uint32_t ip; + struct ether_addr mac_bytes; /* it's "struct { uint8_t mac[6]; }" */ + uint32_t nip; /* Read mac */ line = (char *) const_line; mac_string = strtok_r(line, " \t", &line); - read_mac(mac_string, &mac_bytes); + if (!mac_string || !ether_aton_r(mac_string, &mac_bytes)) + return 0; /* Read ip */ ip_string = strtok_r(NULL, " \t", &line); - read_nip(ip_string, &ip); + if (!ip_string || !read_nip(ip_string, &nip)) + return 0; - add_static_lease(arg, (uint8_t*) &mac_bytes, ip); + add_static_lease(arg, (uint8_t*) &mac_bytes, nip); log_static_leases(arg); @@ -316,7 +314,7 @@ void FAST_FUNC read_config(const char *file) parser = config_open(file); while (config_read(parser, token, 2, 2, "# \t", PARSE_NORMAL)) { for (k = keywords, i = 0; i < ARRAY_SIZE(keywords); k++, i++) { - if (!strcasecmp(token[0], k->keyword)) { + if (strcasecmp(token[0], k->keyword) == 0) { if (!k->handler(token[1], k->var)) { bb_error_msg("can't parse line %u in %s", parser->lineno, file); diff --git a/networking/udhcp/packet.c b/networking/udhcp/packet.c index 03d5e1fc8..5b113bc10 100644 --- a/networking/udhcp/packet.c +++ b/networking/udhcp/packet.c @@ -113,8 +113,8 @@ int FAST_FUNC udhcp_recv_kernel_packet(struct dhcp_packet *packet, int fd) }; 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]) + if (vendor[OPT_LEN - OPT_DATA] == (uint8_t)strlen(broken_vendors[i]) + && strncmp((char*)vendor, broken_vendors[i], vendor[OPT_LEN - OPT_DATA]) == 0 ) { log1("Broken client (%s), forcing broadcast replies", broken_vendors[i]); @@ -122,7 +122,7 @@ int FAST_FUNC udhcp_recv_kernel_packet(struct dhcp_packet *packet, int fd) } } #else - if (vendor[OPT_LEN - 2] == (uint8_t)(sizeof("MSFT 98")-1) + if (vendor[OPT_LEN - OPT_DATA] == (uint8_t)(sizeof("MSFT 98")-1) && memcmp(vendor, "MSFT 98", sizeof("MSFT 98")-1) == 0 ) { log1("Broken client (%s), forcing broadcast replies", "MSFT 98"); |