/* Initialise the resolver. Open a socket and bind it to the address
of the server. return -1 if something goes wrong, otherwise 0 */
int
redboot_dns_res_init(void)
{
memset((char *)&server, 0, sizeof(server));
server.sin_len = sizeof(server);
server.sin_family = AF_INET;
server.sin_port = htons(DOMAIN_PORT);
cyg_drv_mutex_init(&dns_mutex);
#ifdef CYGSEM_REDBOOT_FLASH_CONFIG
{
ip_addr_t dns_ip;
flash_get_config("dns_ip", &dns_ip, CONFIG_IP);
if (dns_ip[0] == 0 && dns_ip[1] == 0 && dns_ip[2] == 0 && dns_ip[3] == 0)
return -1;
memcpy(&server.sin_addr, &dns_ip, sizeof(dns_ip));
/* server config is valid */
s = 0;
}
#else
// Use static configuration
set_dns(__Xstr(CYGPKG_REDBOOT_NETWORKING_DNS_IP));
#endif
return 0;
}
void
do_ip_addr(int argc, char *argv[])
{
struct option_info opts[3];
char *ip_addr, *host_addr;
bool ip_addr_set, host_addr_set;
struct sockaddr_in host;
#ifdef CYGPKG_REDBOOT_NETWORKING_DNS
char *dns_addr;
bool dns_addr_set;
#endif
int num_opts;
init_opts(&opts[0], 'l', true, OPTION_ARG_TYPE_STR,
(void **)&ip_addr, (bool *)&ip_addr_set, "local IP address");
init_opts(&opts[1], 'h', true, OPTION_ARG_TYPE_STR,
(void **)&host_addr, (bool *)&host_addr_set, "default server address");
num_opts = 2;
#ifdef CYGPKG_REDBOOT_NETWORKING_DNS
init_opts(&opts[2], 'd', true, OPTION_ARG_TYPE_STR,
(void **)&dns_addr, (bool *)&dns_addr_set, "DNS server address");
num_opts++;
#endif
if (!scan_opts(argc, argv, 1, opts, num_opts, 0, 0, "")) {
return;
}
if (ip_addr_set) {
if (!_gethostbyname(ip_addr, (in_addr_t *)&host)) {
diag_printf("Invalid local IP address: %s\n", ip_addr);
return;
}
// Of course, each address goes in its own place :-)
memcpy(&__local_ip_addr, &host.sin_addr, sizeof(host.sin_addr));
}
if (host_addr_set) {
if (!_gethostbyname(host_addr, (in_addr_t *)&host)) {
diag_printf("Invalid server address: %s\n", host_addr);
return;
}
my_bootp_info.bp_siaddr = host.sin_addr;
}
#ifdef CYGPKG_REDBOOT_NETWORKING_DNS
if (dns_addr_set) {
set_dns(dns_addr);
}
#endif
show_addrs();
if (!have_net) {
have_net = true;
net_io_init();
}
}
/* Initialise the resolver. Open a socket and bind it to the address
of the server. return -1 if something goes wrong, otherwise 0 */
int
redboot_dns_res_init(void)
{
#ifdef CYGPKG_REDBOOT_NETWORKING_DNS_FCONFIG_DOMAIN
char *dns_domain = NULL;
#endif
memset((char *)&server, 0, sizeof(server));
server.sin_len = sizeof(server);
server.sin_family = AF_INET;
server.sin_port = htons(DOMAIN_PORT);
cyg_drv_mutex_init(&dns_mutex);
/* Set the default DNS domain first, so that it can be overwritten
latter */
#ifdef CYGPKG_REDBOOT_NETWORKING_DNS_DEFAULT_DOMAIN
setdomainname(__Xstr(CYGPKG_REDBOOT_NETWORKING_DNS_DEFAULT_DOMAIN),
strlen(__Xstr(CYGPKG_REDBOOT_NETWORKING_DNS_DEFAULT_DOMAIN)));
#endif
/* Set the domain name from flash so that DHCP can later
overwrite it. */
#ifdef CYGPKG_REDBOOT_NETWORKING_DNS_FCONFIG_DOMAIN
flash_get_config("dns_domain", &dns_domain, CONFIG_STRING);
if(dns_domain != NULL && dns_domain[0] != '\0')
setdomainname(dns_domain, strlen(dns_domain));
#endif
/* If we got a DNS server address from the DHCP/BOOTP, then use
that address */
if ( __bootp_dns_set ) {
memcpy(&server.sin_addr, &__bootp_dns_addr,
sizeof(__bootp_dns_addr) );
#ifdef CYGPKG_REDBOOT_NETWORKING_DNS_DHCP_DOMAIN
if(__bootp_dns_domain_set)
setdomainname(__bootp_dns_domain, strlen(__bootp_dns_domain));
#endif
/* server config is valid */
s = 0;
}
else {
#ifdef CYGSEM_REDBOOT_FLASH_CONFIG
{
ip_addr_t dns_ip;
flash_get_config("dns_ip", &dns_ip, CONFIG_IP);
if (dns_ip[0] == 0 && dns_ip[1] == 0 &&
dns_ip[2] == 0 && dns_ip[3] == 0)
return -1;
memcpy(&server.sin_addr, &dns_ip, sizeof(dns_ip));
/* server config is valid */
s = 0;
}
#else
// Use static configuration. If CYGPKG_REDBOOT_NETWORKING_DNS_IP
// is valid s will set set as a side effect.
set_dns(__Xstr(CYGPKG_REDBOOT_NETWORKING_DNS_IP));
#endif
}
return 0;
}
void
do_ip_addr(int argc, char *argv[])
{
struct option_info opts[3];
char *ip_addr, *host_addr;
bool ip_addr_set, host_addr_set;
struct sockaddr_in host;
#ifdef CYGPKG_REDBOOT_NETWORKING_DNS
char *dns_addr;
bool dns_addr_set;
#endif
int num_opts;
init_opts(&opts[0], 'l', true, OPTION_ARG_TYPE_STR,
(void *)&ip_addr, (bool *)&ip_addr_set, "local IP address");
init_opts(&opts[1], 'h', true, OPTION_ARG_TYPE_STR,
(void *)&host_addr, (bool *)&host_addr_set, "default server address");
num_opts = 2;
#ifdef CYGPKG_REDBOOT_NETWORKING_DNS
init_opts(&opts[2], 'd', true, OPTION_ARG_TYPE_STR,
(void *)&dns_addr, (bool *)&dns_addr_set, "DNS server address");
num_opts++;
#endif
CYG_ASSERT(num_opts <= NUM_ELEMS(opts), "Too many options");
if (!scan_opts(argc, argv, 1, opts, num_opts, 0, 0, "")) {
return;
}
if (ip_addr_set) {
#ifdef CYGSEM_REDBOOT_NETWORKING_USE_GATEWAY
char *slash_pos;
/* see if the (optional) mask length was given */
if( (slash_pos = strchr(ip_addr, '/')) ) {
int mask_len;
unsigned long mask;
*slash_pos = '\0';
slash_pos++;
if( !parse_num(slash_pos, (unsigned long *)&mask_len, 0, 0) ||
mask_len <= 0 || mask_len > 32 ) {
diag_printf("Invalid mask length: %s\n", slash_pos);
return;
}
mask = htonl((0xffffffff << (32-mask_len))&0xffffffff);
memcpy(&__local_ip_mask, &mask, 4);
}
#endif
if (!_gethostbyname(ip_addr, (in_addr_t *)&host)) {
diag_printf("Invalid local IP address: %s\n", ip_addr);
return;
}
// Of course, each address goes in its own place :-)
memcpy(&__local_ip_addr, &host.sin_addr, sizeof(host.sin_addr));
}
if (host_addr_set) {
if (!_gethostbyname(host_addr, (in_addr_t *)&host)) {
diag_printf("Invalid server address: %s\n", host_addr);
return;
}
my_bootp_info.bp_siaddr = host.sin_addr;
}
#ifdef CYGPKG_REDBOOT_NETWORKING_DNS
if (dns_addr_set) {
set_dns(dns_addr);
}
#endif
show_addrs();
if (!have_net) {
have_net = true;
net_io_init();
}
}