4 #include <acess/sys.h>
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13 typedef struct sServer {
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15 char InBuf[BUFSIZ+1];
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19 // === PROTOTYPES ===
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20 int ParseArguments(int argc, const char *argv[]);
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21 void ProcessIncoming(tServer *Server);
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22 int writef(int FD, const char *Format, ...);
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23 int OpenTCP(const char *AddressString, short PortNumber);
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26 char *gsUsername = "root";
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27 char *gsHostname = "acess";
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28 char *gsRemoteAddress = NULL;
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29 char *gsRealName = "Acess2 IRC Client";
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30 char *gsNickname = "acess";
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31 short giRemotePort = 6667;
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34 int main(int argc, const char *argv[], const char *envp[])
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39 memset(&srv, 0, sizeof(srv));
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41 // Parse Command line
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42 // - Sets the server configuration globals
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43 if( (tmp = ParseArguments(argc, argv)) ) {
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47 // Connect to the remove server
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48 srv.FD = OpenTCP( gsRemoteAddress, giRemotePort );
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49 if( srv.FD == -1 ) {
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50 fprintf(stderr, "Unable to create socket\n");
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54 printf("Connection opened\n");
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55 ProcessIncoming(&srv);
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57 writef(srv.FD, "USER %s %s %s : %s\n", gsUsername, gsHostname, gsRemoteAddress, gsRealName);
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58 writef(srv.FD, "NICK %s\n", gsNickname);
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60 printf("Processing\n");
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64 ProcessIncoming(&srv);
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72 * \todo Actually implement correctly :)
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74 int ParseArguments(int argc, const char *argv[])
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76 gsRemoteAddress = "130.95.13.18"; // irc.ucc.asn.au
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81 void Cmd_PRIVMSG(tServer *Server, const char *Dest, const char *Src, const char *Message)
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83 printf("%p: %s => %s\t%s\n", Server, Src, Dest, Message);
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87 * \brief Read a space-separated value from a string
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89 char *GetValue(char *Src, int *Ofs)
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92 char *ret = Src + pos;
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95 if( !Src ) return NULL;
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97 while( *ret == ' ' ) ret ++;
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99 end = strchr(ret, ' ');
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104 end = ret + strlen(ret) - 1;
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106 *Ofs = end - Src + 1;
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113 void ParseServerLine(tServer *Server, char *Line)
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117 if( *Line == ':' ) {
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119 ident = GetValue(Line, &pos);
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121 cmd = GetValue(Line, &pos);
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123 if( strcmp(cmd, "PRIVMSG") == 0 ) {
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124 char *dest, *message;
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126 dest = GetValue(Line, &pos);
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128 if( Line[pos] == ':' ) {
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129 message = Line + pos + 1;
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132 message = GetValue(Line, &pos);
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134 Cmd_PRIVMSG(Server, dest, ident, message);
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138 // Command to client
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143 * \brief Process incoming lines from the server
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145 void ProcessIncoming(tServer *Server)
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147 char *ptr, *newline;
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150 // While there is data in the buffer, read it into user memory and
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151 // process it line by line
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152 // ioctl#8 on a TCP client gets the number of bytes in the recieve buffer
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153 // - Used to avoid blocking
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155 while( (len = ioctl(Server->FD, 8, NULL)) > 0 )
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159 len = read(Server->FD, BUFSIZ - Server->ReadPos, &Server->InBuf[Server->ReadPos]);
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160 Server->InBuf[Server->ReadPos + len] = '\0';
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162 // Break into lines
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163 ptr = Server->InBuf;
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164 while( (newline = strchr(ptr, '\n')) )
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167 printf("%s\n", ptr);
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168 ParseServerLine(Server, ptr);
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172 // Handle incomplete lines
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173 if( ptr - Server->InBuf < len + Server->ReadPos ) {
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174 // Update the read position
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175 // InBuf ReadPos ptr ReadPos+len
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176 // | old | new used | new unused |
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177 Server->ReadPos = len + Server->ReadPos - (ptr - Server->InBuf);
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178 // Copy stuff back (moving "new unused" to the start of the buffer)
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179 memcpy(Server->InBuf, ptr, Server->ReadPos);
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182 Server->ReadPos = 0;
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190 * \brief Write a formatted string to a file descriptor
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193 int writef(int FD, const char *Format, ...)
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198 va_start(args, Format);
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199 len = vsnprintf(NULL, 1000, Format, args);
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204 va_start(args, Format);
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205 vsnprintf(buf, len+1, Format, args);
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208 return write(FD, len, buf);
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213 * \brief Initialise a TCP connection to \a AddressString on port \a PortNumber
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215 int OpenTCP(const char *AddressString, short PortNumber)
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219 char addrBuffer[8];
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221 // Parse IP Address
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222 addrType = Net_ParseAddress(AddressString, addrBuffer);
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223 if( addrType == 0 ) {
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224 fprintf(stderr, "Unable to parse '%s' as an IP address\n", AddressString);
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228 // Finds the interface for the destination address
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229 iface = Net_GetInterface(addrType, addrBuffer);
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230 if( iface == NULL ) {
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231 fprintf(stderr, "Unable to find a route to '%s'\n", AddressString);
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235 printf("iface = '%s'\n", iface);
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237 // Open client socket
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238 // TODO: Move this out to libnet?
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240 int len = snprintf(NULL, 100, "/Devices/ip/%s/tcpc", iface);
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242 snprintf(path, 100, "/Devices/ip/%s/tcpc", iface);
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243 fd = open(path, OPENFLAG_READ|OPENFLAG_WRITE);
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249 fprintf(stderr, "Unable to open TCP Client for reading\n");
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253 // Set remote port and address
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254 printf("Setting port and remote address\n");
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255 ioctl(fd, 5, &PortNumber);
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256 ioctl(fd, 6, addrBuffer);
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259 printf("Initiating connection\n");
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260 if( ioctl(fd, 7, NULL) == 0 ) {
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261 // Shouldn't happen :(
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262 fprintf(stderr, "Unable to start connection\n");
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266 // Return descriptor
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