summaryrefslogtreecommitdiffstats
path: root/libvncserver/cargs.c
blob: c26050e3e1de4158d9b6441c9f9a13a61c7abb7e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
/*
 *  This parses the command line arguments. It was seperated from main.c by 
 *  Justin Dearing <[email protected]>.
 */

/*
 *  LibVNCServer (C) 2001 Johannes E. Schindelin <[email protected]>
 *  Original OSXvnc (C) 2001 Dan McGuirk <[email protected]>.
 *  Original Xvnc (C) 1999 AT&T Laboratories Cambridge.  
 *  All Rights Reserved.
 *
 *  see GPL (latest version) for full details
 */

#include <rfb/rfb.h>

void
rfbUsage(void)
{
    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, "-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, "-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");
}

/* 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->rfbPort = atoi(argv[++i]);
        } else if (strcmp(argv[i], "-rfbwait") == 0) {  /* -rfbwait ms */
            if (i + 1 >= *argc) {
		rfbUsage();
		return FALSE;
	    }
	    rfbScreen->rfbMaxClientWait = atoi(argv[++i]);
        } else if (strcmp(argv[i], "-rfbauth") == 0) {  /* -rfbauth passwd-file */
            if (i + 1 >= *argc) {
		rfbUsage();
		return FALSE;
	    }
            rfbScreen->rfbAuthPasswdData = argv[++i];
	} 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] = 0;
	    rfbScreen->rfbAuthPasswdData = (void*)passwds;
	    rfbScreen->passwordCheck = rfbCheckPasswordByList;
        } else if (strcmp(argv[i], "-deferupdate") == 0) {  /* -deferupdate milliseconds */
            if (i + 1 >= *argc) {
		rfbUsage();
		return FALSE;
	    }
            rfbScreen->rfbDeferUpdateTime = 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->rfbAlwaysShared = TRUE;
        } else if (strcmp(argv[i], "-nevershared") == 0) {
            rfbScreen->rfbNeverShared = TRUE;
        } else if (strcmp(argv[i], "-dontdisconnect") == 0) {
            rfbScreen->rfbDontDisconnect = 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 {
	    i++;
	    i1=i;
	    continue;
	}
	/* we just remove the processed arguments from the list */
	rfbPurgeArguments(argc,&i1,i-i1+1,argv);
	i=i1;
    }
    return TRUE;
}

void rfbSizeUsage()
{
    fprintf(stderr, "-width                 sets the width of the framebuffer\n");
    fprintf(stderr, "-height                sets the height of the framebuffer\n");
}

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;
}