1 /* 2 * This parses the command line arguments. It was seperated from main.c by 3 * Justin Dearing <jdeari01 (at) longisland.poly.edu>. 4 */ 5 6 /* 7 * LibVNCServer (C) 2001 Johannes E. Schindelin <Johannes.Schindelin (at) gmx.de> 8 * Original OSXvnc (C) 2001 Dan McGuirk <mcguirk (at) incompleteness.net>. 9 * Original Xvnc (C) 1999 AT&T Laboratories Cambridge. 10 * All Rights Reserved. 11 * 12 * see GPL (latest version) for full details 13 */ 14 15 #include <rfb/rfb.h> 16 17 extern int rfbStringToAddr(char *str, in_addr_t *iface); 18 19 void 20 rfbUsage(void) 21 { 22 rfbProtocolExtension* extension; 23 24 fprintf(stderr, "-rfbport port TCP port for RFB protocol\n"); 25 #ifdef LIBVNCSERVER_IPv6 26 fprintf(stderr, "-rfbportv6 port TCP6 port for RFB protocol\n"); 27 #endif 28 fprintf(stderr, "-rfbwait time max time in ms to wait for RFB client\n"); 29 fprintf(stderr, "-rfbauth passwd-file use authentication on RFB protocol\n" 30 " (use 'storepasswd' to create a password file)\n"); 31 fprintf(stderr, "-rfbversion 3.x Set the version of the RFB we choose to advertise\n"); 32 fprintf(stderr, "-permitfiletransfer permit file transfer support\n"); 33 fprintf(stderr, "-passwd plain-password use authentication \n" 34 " (use plain-password as password, USE AT YOUR RISK)\n"); 35 fprintf(stderr, "-deferupdate time time in ms to defer updates " 36 "(default 40)\n"); 37 fprintf(stderr, "-deferptrupdate time time in ms to defer pointer updates" 38 " (default none)\n"); 39 fprintf(stderr, "-desktop name VNC desktop name (default \"LibVNCServer\")\n"); 40 fprintf(stderr, "-alwaysshared always treat new clients as shared\n"); 41 fprintf(stderr, "-nevershared never treat new clients as shared\n"); 42 fprintf(stderr, "-dontdisconnect don't disconnect existing clients when a " 43 "new non-shared\n" 44 " connection comes in (refuse new connection " 45 "instead)\n"); 46 fprintf(stderr, "-httpdir dir-path enable http server using dir-path home\n"); 47 fprintf(stderr, "-httpport portnum use portnum for http connection\n"); 48 #ifdef LIBVNCSERVER_IPv6 49 fprintf(stderr, "-httpportv6 portnum use portnum for IPv6 http connection\n"); 50 #endif 51 fprintf(stderr, "-enablehttpproxy enable http proxy support\n"); 52 fprintf(stderr, "-progressive height enable progressive updating for slow links\n"); 53 fprintf(stderr, "-listen ipaddr listen for connections only on network interface with\n"); 54 fprintf(stderr, " addr ipaddr. '-listen localhost' and hostname work too.\n"); 55 #ifdef LIBVNCSERVER_IPv6 56 fprintf(stderr, "-listenv6 ipv6addr listen for IPv6 connections only on network interface with\n"); 57 fprintf(stderr, " addr ipv6addr. '-listen localhost' and hostname work too.\n"); 58 #endif 59 60 for(extension=rfbGetExtensionIterator();extension;extension=extension->next) 61 if(extension->usage) 62 extension->usage(); 63 rfbReleaseExtensionIterator(); 64 } 65 66 /* purges COUNT arguments from ARGV at POSITION and decrements ARGC. 67 POSITION points to the first non purged argument afterwards. */ 68 void rfbPurgeArguments(int* argc,int* position,int count,char *argv[]) 69 { 70 int amount=(*argc)-(*position)-count; 71 if(amount) 72 memmove(argv+(*position),argv+(*position)+count,sizeof(char*)*amount); 73 (*argc)-=count; 74 } 75 76 rfbBool 77 rfbProcessArguments(rfbScreenInfoPtr rfbScreen,int* argc, char *argv[]) 78 { 79 int i,i1; 80 81 if(!argc) return TRUE; 82 83 for (i = i1 = 1; i < *argc;) { 84 if (strcmp(argv[i], "-help") == 0) { 85 rfbUsage(); 86 return FALSE; 87 } else if (strcmp(argv[i], "-rfbport") == 0) { /* -rfbport port */ 88 if (i + 1 >= *argc) { 89 rfbUsage(); 90 return FALSE; 91 } 92 rfbScreen->port = atoi(argv[++i]); 93 #ifdef LIBVNCSERVER_IPv6 94 } else if (strcmp(argv[i], "-rfbportv6") == 0) { /* -rfbportv6 port */ 95 if (i + 1 >= *argc) { 96 rfbUsage(); 97 return FALSE; 98 } 99 rfbScreen->ipv6port = atoi(argv[++i]); 100 #endif 101 } else if (strcmp(argv[i], "-rfbwait") == 0) { /* -rfbwait ms */ 102 if (i + 1 >= *argc) { 103 rfbUsage(); 104 return FALSE; 105 } 106 rfbScreen->maxClientWait = atoi(argv[++i]); 107 } else if (strcmp(argv[i], "-rfbauth") == 0) { /* -rfbauth passwd-file */ 108 if (i + 1 >= *argc) { 109 rfbUsage(); 110 return FALSE; 111 } 112 rfbScreen->authPasswdData = argv[++i]; 113 114 } else if (strcmp(argv[i], "-permitfiletransfer") == 0) { /* -permitfiletransfer */ 115 rfbScreen->permitFileTransfer = TRUE; 116 } else if (strcmp(argv[i], "-rfbversion") == 0) { /* -rfbversion 3.6 */ 117 if (i + 1 >= *argc) { 118 rfbUsage(); 119 return FALSE; 120 } 121 sscanf(argv[++i],"%d.%d", &rfbScreen->protocolMajorVersion, &rfbScreen->protocolMinorVersion); 122 } else if (strcmp(argv[i], "-passwd") == 0) { /* -passwd password */ 123 char **passwds = malloc(sizeof(char**)*2); 124 if (i + 1 >= *argc) { 125 rfbUsage(); 126 return FALSE; 127 } 128 passwds[0] = argv[++i]; 129 passwds[1] = NULL; 130 rfbScreen->authPasswdData = (void*)passwds; 131 rfbScreen->passwordCheck = rfbCheckPasswordByList; 132 } else if (strcmp(argv[i], "-deferupdate") == 0) { /* -deferupdate milliseconds */ 133 if (i + 1 >= *argc) { 134 rfbUsage(); 135 return FALSE; 136 } 137 rfbScreen->deferUpdateTime = atoi(argv[++i]); 138 } else if (strcmp(argv[i], "-deferptrupdate") == 0) { /* -deferptrupdate milliseconds */ 139 if (i + 1 >= *argc) { 140 rfbUsage(); 141 return FALSE; 142 } 143 rfbScreen->deferPtrUpdateTime = atoi(argv[++i]); 144 } else if (strcmp(argv[i], "-desktop") == 0) { /* -desktop desktop-name */ 145 if (i + 1 >= *argc) { 146 rfbUsage(); 147 return FALSE; 148 } 149 rfbScreen->desktopName = argv[++i]; 150 } else if (strcmp(argv[i], "-alwaysshared") == 0) { 151 rfbScreen->alwaysShared = TRUE; 152 } else if (strcmp(argv[i], "-nevershared") == 0) { 153 rfbScreen->neverShared = TRUE; 154 } else if (strcmp(argv[i], "-dontdisconnect") == 0) { 155 rfbScreen->dontDisconnect = TRUE; 156 } else if (strcmp(argv[i], "-httpdir") == 0) { /* -httpdir directory-path */ 157 if (i + 1 >= *argc) { 158 rfbUsage(); 159 return FALSE; 160 } 161 rfbScreen->httpDir = argv[++i]; 162 } else if (strcmp(argv[i], "-httpport") == 0) { /* -httpport portnum */ 163 if (i + 1 >= *argc) { 164 rfbUsage(); 165 return FALSE; 166 } 167 rfbScreen->httpPort = atoi(argv[++i]); 168 #ifdef LIBVNCSERVER_IPv6 169 } else if (strcmp(argv[i], "-httpportv6") == 0) { /* -httpportv6 portnum */ 170 if (i + 1 >= *argc) { 171 rfbUsage(); 172 return FALSE; 173 } 174 rfbScreen->http6Port = atoi(argv[++i]); 175 #endif 176 } else if (strcmp(argv[i], "-enablehttpproxy") == 0) { 177 rfbScreen->httpEnableProxyConnect = TRUE; 178 } else if (strcmp(argv[i], "-progressive") == 0) { /* -httpport portnum */ 179 if (i + 1 >= *argc) { 180 rfbUsage(); 181 return FALSE; 182 } 183 rfbScreen->progressiveSliceHeight = atoi(argv[++i]); 184 } else if (strcmp(argv[i], "-listen") == 0) { /* -listen ipaddr */ 185 if (i + 1 >= *argc) { 186 rfbUsage(); 187 return FALSE; 188 } 189 if (! rfbStringToAddr(argv[++i], &(rfbScreen->listenInterface))) { 190 return FALSE; 191 } 192 #ifdef LIBVNCSERVER_IPv6 193 } else if (strcmp(argv[i], "-listenv6") == 0) { /* -listenv6 ipv6addr */ 194 if (i + 1 >= *argc) { 195 rfbUsage(); 196 return FALSE; 197 } 198 rfbScreen->listen6Interface = argv[++i]; 199 #endif 200 #ifdef LIBVNCSERVER_WITH_WEBSOCKETS 201 } else if (strcmp(argv[i], "-sslkeyfile") == 0) { /* -sslkeyfile sslkeyfile */ 202 if (i + 1 >= *argc) { 203 rfbUsage(); 204 return FALSE; 205 } 206 rfbScreen->sslkeyfile = argv[++i]; 207 } else if (strcmp(argv[i], "-sslcertfile") == 0) { /* -sslcertfile sslcertfile */ 208 if (i + 1 >= *argc) { 209 rfbUsage(); 210 return FALSE; 211 } 212 rfbScreen->sslcertfile = argv[++i]; 213 #endif 214 } else { 215 rfbProtocolExtension* extension; 216 int handled=0; 217 218 for(extension=rfbGetExtensionIterator();handled==0 && extension; 219 extension=extension->next) 220 if(extension->processArgument) 221 handled = extension->processArgument(*argc - i, argv + i); 222 rfbReleaseExtensionIterator(); 223 224 if(handled==0) { 225 i++; 226 i1=i; 227 continue; 228 } 229 i+=handled-1; 230 } 231 /* we just remove the processed arguments from the list */ 232 rfbPurgeArguments(argc,&i1,i-i1+1,argv); 233 i=i1; 234 } 235 return TRUE; 236 } 237 238 rfbBool 239 rfbProcessSizeArguments(int* width,int* height,int* bpp,int* argc, char *argv[]) 240 { 241 int i,i1; 242 243 if(!argc) return TRUE; 244 for (i = i1 = 1; i < *argc-1;) { 245 if (strcmp(argv[i], "-bpp") == 0) { 246 *bpp = atoi(argv[++i]); 247 } else if (strcmp(argv[i], "-width") == 0) { 248 *width = atoi(argv[++i]); 249 } else if (strcmp(argv[i], "-height") == 0) { 250 *height = atoi(argv[++i]); 251 } else { 252 i++; 253 i1=i; 254 continue; 255 } 256 rfbPurgeArguments(argc,&i1,i-i1,argv); 257 i=i1; 258 } 259 return TRUE; 260 } 261 262
