*/
#include <stdlib.h>
#include <stdio.h>
+#include <stdint.h>
#include <string.h>
#include <acess/sys.h>
#define FILENAME_MAX 255
#define IPSTACK_ROOT "/Devices/ip"
+// TODO: Move this to a header
+#define ntohs(v) (((v&0xFF)<<8)|((v>>8)&0xFF))
+
// === PROTOTYPES ===
void PrintUsage(const char *ProgName);
void DumpInterfaces(void);
void DumpInterface(const char *Name);
int AddInterface(const char *Device);
int DoAutoConfig(const char *Device);
+ int SetAddress(int IFNum, const char *Address);
+ int ParseIPAddres(const char *Address, uint8_t *Dest, int *SubnetBits);
// === CODE ===
/**
*/
int main(int argc, char *argv[])
{
+ int ret;
// No args, dump interfaces
if(argc == 1) {
DumpInterfaces();
// Add a new interface
if( strcmp(argv[1], "add") == 0 ) {
if( argc < 4 ) {
- fprintf(stderr, "ERROR: %s add require two arguments, %i passed\n", argv[0], argc-2);
+ fprintf(stderr, "ERROR: '%s add' requires two arguments, %i passed\n", argv[0], argc-2);
PrintUsage(argv[0]);
- return 0;
+ return -1;
}
// TODO: Also set the IP address as the usage says it does
- return AddInterface( argv[2] );
+ ret = AddInterface( argv[2] );
+ if(ret < 0) return ret;
+ ret = SetAddress( ret, argv[3] );
+ return ret;
+ }
+
+ // Delete an interface
+ if( strcmp(argv[1], "del") == 0 ) {
+ if( argc < 3 ) {
+ fprintf(stderr, "ERROR: '%s del' requires an argument\n", argv[0]);
+ PrintUsage(argv[0]);
+ return -1;
+ }
+ // TODO:
}
// Autoconfigure an interface
ioctl(fd, 5, ip); // Get IP Address
subnet = ioctl(fd, 7, NULL); // Get Subnet Bits
printf("\t%x:%x:%x:%x:%x:%x:%x:%x/%i\n",
- ip[0], ip[1], ip[2], ip[3],
- ip[4], ip[5], ip[6], ip[7],
+ ntohs(ip[0]), ntohs(ip[1]), ntohs(ip[2]), ntohs(ip[3]),
+ ntohs(ip[4]), ntohs(ip[5]), ntohs(ip[6]), ntohs(ip[7]),
subnet);
}
break;
dp = open(IPSTACK_ROOT, OPENFLAG_READ);
ret = ioctl(dp, 4, (void*)Device);
- printf("AddInterface: ret = 0x%x = %i\n", ret, ret);
close(dp);
if( ret < 0 ) {
return ret;
}
+void AddRoute(const char *Interface, void *Dest, int MaskBits, void *NextHop)
+{
+ int fd;
+ int num;
+ char tmp[sizeof(IPSTACK_ROOT"/routes/") + 5]; // enough for 4 digits
+
+ // Create route
+ fd = open(IPSTACK_ROOT"/routes", 0);
+ num = ioctl(fd, ioctl(fd, 3, "add_route"), Interface);
+ close(fd);
+
+ // Open route
+ sprintf(tmp, IPSTACK_ROOT"/routes/%i", num);
+ fd = open(tmp, 0);
+
+ ioctl(fd, ioctl(fd, 3, "set_network"), Dest);
+ ioctl(fd, ioctl(fd, 3, "set_nexthop"), NextHop);
+ ioctl(fd, ioctl(fd, 3, "getset_subnetbits"), &MaskBits);
+
+ close(fd);
+
+}
+
/**
* \note Debugging HACK!
* \brief Autoconfigure the specified device to 10.0.2.55/8 using
return 0;
}
+
+/**
+ * \brief Set the address on an interface from a textual IP address
+ */
+int SetAddress(int IFNum, const char *Address)
+{
+ uint8_t addr[16];
+ int type;
+ char path[sizeof(IPSTACK_ROOT)+1+5+1]; // ip000
+ int tmp, fd, subnet;
+
+ // Parse IP Address
+ type = ParseIPAddres(Address, addr, &subnet);
+ if(type == 0) {
+ fprintf(stderr, "'%s' cannot be parsed as an IP address\n", Address);
+ return -1;
+ }
+
+ // Open file
+ sprintf(path, IPSTACK_ROOT"/%i", IFNum);
+ fd = open(path, OPENFLAG_READ);
+ if( fd == -1 ) {
+ fprintf(stderr, "Unable to open '%s'\n", path);
+ return -1;
+ }
+
+ tmp = type;
+ tmp = ioctl(fd, ioctl(fd, 3, "getset_type"), &tmp);
+ if( tmp != type ) {
+ fprintf(stderr, "Error in setting address type (got %i, expected %i)\n", tmp, type);
+ close(fd);
+ return -1;
+ }
+ // Set Address
+ ioctl(fd, ioctl(fd, 3, "set_address"), addr);
+
+ // Set Subnet
+ ioctl(fd, ioctl(fd, 3, "getset_subnet"), &subnet);
+
+ close(fd);
+
+ // Dump!
+ //DumpInterface( path+sizeof(IPSTACK_ROOT)+1 );
+
+ return 0;
+}
+
+/**
+ * \brief Parse an IP Address
+ * \return 0 for unknown, 4 for IPv4 and 6 for IPv6
+ */
+int ParseIPAddres(const char *Address, uint8_t *Dest, int *SubnetBits)
+{
+ const char *p = Address;
+
+ // Check first block
+ while(*p && *p >= '0' && *p <= '9') p ++;
+
+ // IPv4?
+ if(*p == '.')
+ {
+ int i = 0, j;
+ int val;
+
+ for( j = 0; Address[i] && j < 4; j ++ )
+ {
+ val = 0;
+ for( ; '0' <= Address[i] && Address[i] <= '9'; i++ )
+ {
+ val = val*10 + Address[i] - '0';
+ }
+ if(val > 255) {
+ //printf("val > 255 (%i)\n", val);
+ return 0;
+ }
+ Dest[j] = val;
+
+ if(Address[i] == '.')
+ i ++;
+ }
+ if( j != 4 ) {
+ //printf("4 parts expected, %i found\n", j);
+ return 0;
+ }
+ // Parse subnet size
+ if(Address[i] == '/') {
+ val = 0;
+ i ++;
+ while('0' <= Address[i] && Address[i] <= '9') {
+ val *= 10;
+ val += Address[i] - '0';
+ i ++;
+ }
+ if(val > 32) {
+ printf("Notice: Subnet size >32 (%i)\n", val);
+ }
+ *SubnetBits = val;
+ }
+ if(Address[i] != '\0') {
+ //printf("EOS != '\\0', '%c'\n", Address[i]);
+ return 0;
+ }
+ return 4;
+ }
+
+ // IPv6
+ if(*p == ':' || ('a' <= *p && *p <= 'f') || ('A' <= *p && *p <= 'F'))
+ {
+ int i = 0;
+ int j, k;
+ int val, split = -1, end;
+ uint16_t hi[8], low[8];
+
+ for( j = 0; Address[i] && j < 8; j ++ )
+ {
+ if(Address[i] == '/')
+ break;
+
+ if(Address[i] == ':') {
+ if(split != -1) {
+ printf("Two '::'s\n");
+ return 0;
+ }
+ split = j;
+ i ++;
+ continue;
+ }
+
+ val = 0;
+ for( k = 0; Address[i] && Address[i] != ':' && Address[i] != '/'; i++, k++ )
+ {
+ val *= 16;
+ if('0' <= Address[i] && Address[i] <= '9')
+ val += Address[i] - '0';
+ else if('A' <= Address[i] && Address[i] <= 'F')
+ val += Address[i] - 'A' + 10;
+ else if('a' <= Address[i] && Address[i] <= 'f')
+ val += Address[i] - 'a' + 10;
+ else {
+ printf("%c unexpected\n", Address[i]);
+ return 0;
+ }
+ }
+
+ if(val > 0xFFFF) {
+ printf("val (0x%x) > 0xFFFF\n", val);
+ return 0;
+ }
+
+ if(split == -1)
+ hi[j] = val;
+ else
+ low[j-split] = val;
+
+ if( Address[i] == ':' ) {
+ i ++;
+ }
+ }
+ end = j;
+
+ // Parse subnet size
+ if(Address[i] == '/') {
+ val = 0;
+ while('0' <= Address[i] && Address[i] <= '9') {
+ val *= 10;
+ val += Address[i] - '0';
+ i ++;
+ }
+ if(val > 128) {
+ printf("Notice: Subnet size >128 (%i)\n", val);
+ }
+ *SubnetBits = val;
+ }
+
+ for( j = 0; j < split; j ++ )
+ {
+ //printf("%04x:", hi[j]);
+ Dest[j*2] = hi[j]>>8;
+ Dest[j*2+1] = hi[j]&0xFF;
+ }
+ for( ; j < 8 - (end - split); j++ )
+ {
+ //printf("0000:", hi[j]);
+ Dest[j*2] = 0;
+ Dest[j*2+1] = 0;
+ }
+ for( k = 0; j < 8; j ++, k++)
+ {
+ //printf("%04x:", low[k]);
+ Dest[j*2] = low[k]>>8;
+ Dest[j*2+1] = low[k]&0xFF;
+ }
+ return 6;
+ }
+ // Unknown type
+ return 0;
+}
git.ucc.asn.au / tpg / acess2.git / blobdiff
UCC git Repository :: git.ucc.asn.au