Usermode/Applications/ifconfig_src/main.c

   1 /*
   2  * Acess2 IFCONFIG command
   3  */
   4 #include <stdlib.h>
   5 #include <stdio.h>
   6 #include <string.h>
   7 #include <acess/sys.h>
   8
   9 // === CONSTANTS ===
  10 #define FILENAME_MAX    255
  11 #define IPSTACK_ROOT    "/Devices/ip"
  12
  13 // === PROTOTYPES ===
  14 void    PrintUsage(char *ProgName);
  15 void    DumpInterfaces( int DumpAll );
  16  int    AddInterface( char *Address );
  17  int    DoAutoConfig( char *Device );
  18
  19 // === CODE ===
  20 /**
  21  * \fn int main(int argc, char *argv[])
  22  * \brief Entrypoint
  23  */
  24 int main(int argc, char *argv[])
  25 {
  26         if(argc == 1) {
  27                 DumpInterfaces(0);
  28                 return 0;
  29         }
  30
  31         if( strcmp(argv[1], "add") == 0 ) {
  32                 if( argc < 3 ) {
  33                         fprintf(stderr, "ERROR: `add` requires an argument\n");
  34                         PrintUsage(argv[0]);
  35                         return 0;
  36                 }
  37                 return AddInterface( argv[2] );
  38         }
  39
  40         if( strcmp(argv[1], "autoconf") == 0 ) {
  41                 DoAutoConfig(argv[2]);
  42         }
  43
  44         return 0;
  45 }
  46
  47 void PrintUsage(char *ProgName)
  48 {
  49         fprintf(stderr, "Usage: %s [add <ipaddr>]\n", ProgName);
  50 }
  51
  52 void DumpInterfaces(int DumpAll)
  53 {
  54          int    dp, fd;
  55          int    type;
  56         char    path[sizeof(IPSTACK_ROOT)+1+FILENAME_MAX] = IPSTACK_ROOT"/";
  57         char    *filename = &path[sizeof(IPSTACK_ROOT)];
  58
  59         dp = open(IPSTACK_ROOT, OPENFLAG_READ);
  60
  61         while( readdir(dp, filename) )
  62         {
  63                 if(filename[0] == '.')  continue;
  64
  65                 fd = open(path, OPENFLAG_READ);
  66                 if(fd == -1) {
  67                         printf("%s:\tUnable to open ('%s'\n\n", filename, path);
  68                 }
  69
  70                 type = ioctl(fd, 4, NULL);
  71
  72                 printf("%s:\t", filename);
  73                 {
  74                         int len = ioctl(fd, ioctl(fd, 3, "get_device"), NULL);
  75                         char *buf = malloc(len+1);
  76                         ioctl(fd, ioctl(fd, 3, "get_device"), buf);
  77                         printf("'%s'\t", buf);
  78                         free(buf);
  79                 }
  80                 switch(type)
  81                 {
  82                 case 0:
  83                         printf("DISABLED\n");
  84                         break;
  85                 case 4:
  86                         {
  87                         uint8_t ip[4];
  88                          int    subnet;
  89                         printf("IPv4\n");
  90                         ioctl(fd, 5, ip);       // Get IP Address
  91                         subnet = ioctl(fd, 7, NULL);    // Get Subnet Bits
  92                         printf("\t%i.%i.%i.%i/%i\n", ip[0], ip[1], ip[2], ip[3], subnet);
  93                         ioctl(fd, 8, ip);       // Get Gateway
  94                         printf("\tGateway: %i.%i.%i.%i\n", ip[0], ip[1], ip[2], ip[3]);
  95                         }
  96                         break;
  97                 case 6:
  98                         {
  99                         uint16_t        ip[8];
 100                          int    subnet;
 101                         printf("IPv6\n");
 102                         ioctl(fd, 5, ip);       // Get IP Address
 103                         subnet = ioctl(fd, 7, NULL);    // Get Subnet Bits
 104                         printf("\t%x:%x:%x:%x:%x:%x:%x:%x/%i\n",
 105                                 ip[0], ip[1], ip[2], ip[3],
 106                                 ip[4], ip[5], ip[6], ip[7],
 107                                 subnet);
 108                         }
 109                         break;
 110                 default:
 111                         printf("UNKNOWN\n");
 112                         break;
 113                 }
 114                 printf("\n");
 115
 116                 close(fd);
 117         }
 118
 119         close(dp);
 120 }
 121
 122 int AddInterface( char *Device )
 123 {
 124          int    dp, ret;
 125
 126         dp = open(IPSTACK_ROOT, OPENFLAG_READ);
 127         ret = ioctl(dp, 4, Device);
 128         close(dp);
 129
 130         if( ret < 0 ) {
 131                 fprintf(stderr, "Unable to add '%s' as a network interface\n", Device);
 132                 return -1;
 133         }
 134
 135         printf("-- Added '"IPSTACK_ROOT"/%i' using device %s\n", ret, Device);
 136
 137         return ret;
 138 }
 139
 140 int DoAutoConfig( char *Device )
 141 {
 142          int    tmp, fd;
 143         char    path[sizeof(IPSTACK_ROOT)+5+1]; // ip000
 144         uint8_t addr[4] = {10,0,2,55};
 145         uint8_t gw[4] = {10,0,2,1};
 146          int    subnet = 8;
 147
 148         tmp = AddInterface(Device);
 149         if( tmp < 0 )   return tmp;
 150
 151         sprintf(path, IPSTACK_ROOT"/%i", tmp);
 152
 153         fd = open(path, OPENFLAG_READ);
 154         if( fd == -1 ) {
 155                 fprintf(stderr, "Unable to open '%s'\n", path);
 156                 return -1;
 157         }
 158
 159         tmp = 4;        // IPv4
 160         tmp = ioctl(fd, ioctl(fd, 3, "getset_type"), &tmp);
 161         if( tmp != 4 ) {
 162                 fprintf(stderr, "Error in setting address type (got %i, expected 4)\n", tmp);
 163                 return -1;
 164         }
 165         // Set Address
 166         ioctl(fd, ioctl(fd, 3, "set_address"), addr);
 167         // Set Subnet
 168         ioctl(fd, ioctl(fd, 3, "getset_subnet"), &subnet);
 169         // Set Gateway
 170         ioctl(fd, ioctl(fd, 3, "set_gateway"), gw);
 171
 172         close(fd);
 173
 174         printf("Set address to %i.%i.%i.%i/%i (GW: %i.%i.%i.%i)\n",
 175                 addr[0], addr[1], addr[2], addr[3],
 176                 subnet,
 177                 gw[0], gw[1], gw[2], gw[3]);
 178
 179         return 0;
 180 }