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/*
* This parses the command line arguments. It was seperated from main.c by
* Justin Dearing <jdeari01@longisland.poly.edu>.
*/
/*
* LibVNCServer (C) 2001 Johannes E. Schindelin <Johannes.Schindelin@gmx.de>
* Original OSXvnc (C) 2001 Dan McGuirk <mcguirk@incompleteness.net>.
* Original Xvnc (C) 1999 AT&T Laboratories Cambridge.
* All Rights Reserved.
*
* see GPL (latest version) for full details
*/
#include <rfb/rfb.h>
extern int rfbStringToAddr(char *str, in_addr_t *iface);
void
rfbUsage(void)
{
rfbProtocolExtension* extension;
fprintf(stderr, "-rfbport port TCP port for RFB protocol\n");
fprintf(stderr, "-rfbwait time max time in ms to wait for RFB client\n");
fprintf(stderr, "-rfbauth passwd-file use authentication on RFB protocol\n"
" (use 'storepasswd' to create a password file)\n");
fprintf(stderr, "-rfbversion 3.x Set the version of the RFB we choose to advertise\n");
fprintf(stderr, "-permitfiletransfer permit file transfer support\n");
fprintf(stderr, "-passwd plain-password use authentication \n"
" (use plain-password as password, USE AT YOUR RISK)\n");
fprintf(stderr, "-deferupdate time time in ms to defer updates "
"(default 40)\n");
fprintf(stderr, "-deferptrupdate time time in ms to defer pointer updates"
" (default none)\n");
fprintf(stderr, "-desktop name VNC desktop name (default \"LibVNCServer\")\n");
fprintf(stderr, "-alwaysshared always treat new clients as shared\n");
fprintf(stderr, "-nevershared never treat new clients as shared\n");
fprintf(stderr, "-dontdisconnect don't disconnect existing clients when a "
"new non-shared\n"
" connection comes in (refuse new connection "
"instead)\n");
fprintf(stderr, "-httpdir dir-path enable http server using dir-path home\n");
fprintf(stderr, "-httpport portnum use portnum for http connection\n");
fprintf(stderr, "-enablehttpproxy enable http proxy support\n");
fprintf(stderr, "-progressive height enable progressive updating for slow links\n");
fprintf(stderr, "-listen ipaddr listen for connections only on network interface with\n");
fprintf(stderr, " addr ipaddr. '-listen localhost' and hostname work too.\n");
for(extension=rfbGetExtensionIterator();extension;extension=extension->next)
if(extension->usage)
extension->usage();
rfbReleaseExtensionIterator();
}
/* purges COUNT arguments from ARGV at POSITION and decrements ARGC.
POSITION points to the first non purged argument afterwards. */
void rfbPurgeArguments(int* argc,int* position,int count,char *argv[])
{
int amount=(*argc)-(*position)-count;
if(amount)
memmove(argv+(*position),argv+(*position)+count,sizeof(char*)*amount);
(*argc)-=count;
}
rfbBool
rfbProcessArguments(rfbScreenInfoPtr rfbScreen,int* argc, char *argv[])
{
int i,i1;
if(!argc) return TRUE;
for (i = i1 = 1; i < *argc;) {
if (strcmp(argv[i], "-help") == 0) {
rfbUsage();
return FALSE;
} else if (strcmp(argv[i], "-rfbport") == 0) { /* -rfbport port */
if (i + 1 >= *argc) {
rfbUsage();
return FALSE;
}
rfbScreen->port = atoi(argv[++i]);
} else if (strcmp(argv[i], "-rfbwait") == 0) { /* -rfbwait ms */
if (i + 1 >= *argc) {
rfbUsage();
return FALSE;
}
rfbScreen->maxClientWait = atoi(argv[++i]);
} else if (strcmp(argv[i], "-rfbauth") == 0) { /* -rfbauth passwd-file */
if (i + 1 >= *argc) {
rfbUsage();
return FALSE;
}
rfbScreen->authPasswdData = argv[++i];
} else if (strcmp(argv[i], "-permitfiletransfer") == 0) { /* -permitfiletransfer */
rfbScreen->permitFileTransfer = TRUE;
} else if (strcmp(argv[i], "-rfbversion") == 0) { /* -rfbversion 3.6 */
if (i + 1 >= *argc) {
rfbUsage();
return FALSE;
}
sscanf(argv[++i],"%d.%d", &rfbScreen->protocolMajorVersion, &rfbScreen->protocolMinorVersion);
} else if (strcmp(argv[i], "-passwd") == 0) { /* -passwd password */
char **passwds = malloc(sizeof(char**)*2);
if (i + 1 >= *argc) {
rfbUsage();
return FALSE;
}
passwds[0] = argv[++i];
passwds[1] = NULL;
rfbScreen->authPasswdData = (void*)passwds;
rfbScreen->passwordCheck = rfbCheckPasswordByList;
} else if (strcmp(argv[i], "-deferupdate") == 0) { /* -deferupdate milliseconds */
if (i + 1 >= *argc) {
rfbUsage();
return FALSE;
}
rfbScreen->deferUpdateTime = atoi(argv[++i]);
} else if (strcmp(argv[i], "-deferptrupdate") == 0) { /* -deferptrupdate milliseconds */
if (i + 1 >= *argc) {
rfbUsage();
return FALSE;
}
rfbScreen->deferPtrUpdateTime = atoi(argv[++i]);
} else if (strcmp(argv[i], "-desktop") == 0) { /* -desktop desktop-name */
if (i + 1 >= *argc) {
rfbUsage();
return FALSE;
}
rfbScreen->desktopName = argv[++i];
} else if (strcmp(argv[i], "-alwaysshared") == 0) {
rfbScreen->alwaysShared = TRUE;
} else if (strcmp(argv[i], "-nevershared") == 0) {
rfbScreen->neverShared = TRUE;
} else if (strcmp(argv[i], "-dontdisconnect") == 0) {
rfbScreen->dontDisconnect = TRUE;
} else if (strcmp(argv[i], "-httpdir") == 0) { /* -httpdir directory-path */
if (i + 1 >= *argc) {
rfbUsage();
return FALSE;
}
rfbScreen->httpDir = argv[++i];
} else if (strcmp(argv[i], "-httpport") == 0) { /* -httpport portnum */
if (i + 1 >= *argc) {
rfbUsage();
return FALSE;
}
rfbScreen->httpPort = atoi(argv[++i]);
} else if (strcmp(argv[i], "-enablehttpproxy") == 0) {
rfbScreen->httpEnableProxyConnect = TRUE;
} else if (strcmp(argv[i], "-progressive") == 0) { /* -httpport portnum */
if (i + 1 >= *argc) {
rfbUsage();
return FALSE;
}
rfbScreen->progressiveSliceHeight = atoi(argv[++i]);
} else if (strcmp(argv[i], "-listen") == 0) { /* -listen ipaddr */
if (i + 1 >= *argc) {
rfbUsage();
return FALSE;
}
if (! rfbStringToAddr(argv[++i], &(rfbScreen->listenInterface))) {
return FALSE;
}
} else {
rfbProtocolExtension* extension;
int handled=0;
for(extension=rfbGetExtensionIterator();handled==0 && extension;
extension=extension->next)
if(extension->processArgument)
handled = extension->processArgument(*argc - i, argv + i);
rfbReleaseExtensionIterator();
if(handled==0) {
i++;
i1=i;
continue;
}
i+=handled-1;
}
/* we just remove the processed arguments from the list */
rfbPurgeArguments(argc,&i1,i-i1+1,argv);
i=i1;
}
return TRUE;
}
rfbBool
rfbProcessSizeArguments(int* width,int* height,int* bpp,int* argc, char *argv[])
{
int i,i1;
if(!argc) return TRUE;
for (i = i1 = 1; i < *argc-1;) {
if (strcmp(argv[i], "-bpp") == 0) {
*bpp = atoi(argv[++i]);
} else if (strcmp(argv[i], "-width") == 0) {
*width = atoi(argv[++i]);
} else if (strcmp(argv[i], "-height") == 0) {
*height = atoi(argv[++i]);
} else {
i++;
i1=i;
continue;
}
rfbPurgeArguments(argc,&i1,i-i1,argv);
i=i1;
}
return TRUE;
}
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