x11vnc: fix compiler warnings.

x11vnc/README

 
-x11vnc README file                         Date: Sat Jan  3 19:10:09 EST 2009
+x11vnc README file                         Date: Sat Jan  3 23:43:28 EST 2009
 
 The following information is taken from these URLs:
 

x11vnc/avahi.c

 /* -- avahi.c -- */
 
 #include "x11vnc.h"
+#include "connections.h"
 
 void avahi_initialise(void);
 void avahi_advertise(const char *name, const char *host, const uint16_t port);
@@ -21,6 +22,8 @@ static int try_avahi_helper(const char *name, const char *host, const uint16_t p
 	char *cmd, *p, *path = getenv("PATH"), portstr[32];
 	int i;
 
+	if (!name || !host || !port) {}
+
 	/* avahi-publish */
 	if (no_external_cmds || !cmd_ok("zeroconf")) {
 		return 0;

x11vnc/cleanup.c

@@ -15,6 +15,9 @@
 #include "macosx.h"
 #include "macosxCG.h"
 #include "avahi.h"
+#include "screen.h"
+#include "xrecord.h"
+#include "xevents.h"
 
 /*
  * Exiting and error handling routines
@@ -270,6 +273,8 @@ static int Xerror(Display *d, XErrorEvent *error) {
 	return (*Xerror_def)(d, error);
 }
 
+void watch_loop(void);
+
 static int XIOerr(Display *d) {
 	static int reopen = 0, rmax = 1;
 	X_UNLOCK;

x11vnc/connections.c

@@ -2833,6 +2833,7 @@ static void turn_off_truecolor_ad(rfbClientPtr client) {
  */
 
 rfbBool password_check_chat_helper(rfbClientPtr cl, const char* response, int len) {
+	if (response || len) {}
 	if (cl != chat_window_client) {
 		rfbLog("invalid client during chat_helper login\n");
 		return FALSE;
@@ -2851,12 +2852,14 @@ rfbBool password_check_chat_helper(rfbClientPtr cl, const char* response, int le
 }
 
 enum rfbNewClientAction new_client_chat_helper(rfbClientPtr client) {
+	if (client) {}
 	client->clientGoneHook = client_gone_chat_helper;
 	rfbLog("new chat helper\n");
 	return(RFB_CLIENT_ACCEPT);
 }
 
 void client_gone_chat_helper(rfbClientPtr client) {
+	if (client) {}
 	rfbLog("finished chat helper\n");
 	chat_window_client = NULL;
 }

x11vnc/connections.h

@@ -37,5 +37,6 @@ extern void check_new_clients(void);
 extern int accept_client(rfbClientPtr client);
 extern int run_user_command(char *cmd, rfbClientPtr client, char *mode, char *input,
     int len, FILE *output);
+extern int check_access(char *addr);
 
 #endif /* _X11VNC_CONNECTIONS_H */

x11vnc/enc.h

@@ -13,8 +13,8 @@
  *
  * compile via:
 
-   cc       -O -o ultravnc_dsm_helper ultravnc_dsm_helper.c -lssl -lcrypto
-   cc -DDBG -O -o ultravnc_dsm_helper ultravnc_dsm_helper.c -lssl -lcrypto
+   cc       -O -o ultravnc_dsm_helper ultravnc_dsm_helper.c -lcrypto
+   cc -DDBG -O -o ultravnc_dsm_helper ultravnc_dsm_helper.c -lcrypto
 
  *
  * See usage below for how to run it.
@@ -369,7 +369,7 @@ extern void enc_do(char *ciph, char *keyfile, char *lport, char *rhp) {
 			int i;
 			len = 0;
 			pw_in = 1;
-			for (i=0; i < strlen(keyfile); i++) {
+			for (i=0; i < (int) strlen(keyfile); i++) {
 				/* load the string to keydata: */
 				int n = i + strlen("pw=");
 				keydata[i] = keyfile[n];
@@ -462,7 +462,7 @@ static void enc_xfer(int sock_fr, int sock_to, int encrypt) {
 	unsigned char salt[SALT+1];
 	unsigned char ivec[EVP_MAX_IV_LENGTH];
 
-	int i, cnt, len, m, n = 0, vb = 0, pa = 1, first = 1;
+	int i, cnt, len, m, n = 0, vb = 0, first = 1;
 	int whoops = 1; /* for the msrc4 problem */
 	char *encstr, *encsym;
 	
@@ -788,7 +788,7 @@ static void enc_xfer(int sock_fr, int sock_to, int encrypt) {
  * decrypter.
  */
 static void enc_connections(int listen_port, char *connect_host, int connect_port) {
-	int listen_fd, conn1, conn2, ret, n, one = 1;
+	int listen_fd, conn1, conn2, ret, one = 1;
 	socklen_t clen;
 	struct hostent *hp;
 	struct sockaddr_in client, server;

x11vnc/gui.c

@@ -674,7 +674,7 @@ void do_gui(char *opts, int sleep) {
 		char *cmd, *p, *p2, *p1, *p0 = getenv("PATH");
 		char tf1[] = "/tmp/x11vnc_port_prompt.2XXXXXX";
 		char tf2[] = "/tmp/x11vnc_port_prompt.1XXXXXX";
-		int fd, i, port;
+		int fd;
 		char *dstr = "", *wish = NULL;
 		char line[128];
 		FILE *fp;
@@ -831,7 +831,6 @@ void do_gui(char *opts, int sleep) {
 		if (icon_mode) {
 			char tf[] = "/tmp/x11vnc.tray.XXXXXX"; 
 			int fd;
-			struct stat sbuf;
 
 			fd = mkstemp(tf);
 			if (fd < 0) {

x11vnc/scan.c

@@ -341,7 +341,7 @@ static int shm_create(XShmSegmentInfo *shm, XImage **ximg_ptr, int w, int h,
 
 void shm_delete(XShmSegmentInfo *shm) {
 #if LIBVNCSERVER_HAVE_XSHM
-	if (getenv("X11VNC_SHM_DEBUG")) fprintf(stderr, "shm_delete:    0x%x\n", shm);
+	if (getenv("X11VNC_SHM_DEBUG")) fprintf(stderr, "shm_delete:    %p\n", (void *) shm);
 	if (shm != NULL && shm->shmaddr != (char *) -1) {
 		shmdt(shm->shmaddr);
 	}

x11vnc/screen.c

@@ -27,6 +27,8 @@
 #include "solid.h"
 #include "inet.h"
 #include "xrandr.h"
+#include "xrecord.h"
+#include "pm.h"
 
 #include <rfb/rfbclient.h>
 
@@ -55,8 +57,6 @@ rfbBool vnc_reflect_send_pointer(int x, int y, int mask);
 rfbBool vnc_reflect_send_key(uint32_t key, rfbBool down);
 rfbBool vnc_reflect_send_cuttext(char *str, int len);
 
-void watch_loop(void);
-
 static void debug_colormap(XImage *fb);
 static void set_visual(char *str);
 static void nofb_hook(rfbClientPtr cl);

x11vnc/solid.c

@@ -924,7 +924,9 @@ static void solid_macosx(int restore) {
 	if (restore) {
 		rfbLog("restore pid: %d\n", (int) solid_macosx_pid);
 		if (solid_macosx_pid > 0) {
+#if 0
 			int i, status;
+#endif
 			rfbLog("kill -TERM macosx_solid_background helper pid: %d\n", (int) solid_macosx_pid);
 			kill(solid_macosx_pid, SIGTERM);
 #if 0

x11vnc/sslhelper.c

@@ -1629,6 +1629,9 @@ static int check_ssl_access(char *addr) {
 static int write_exact(int sock, char *buf, int len);
 static int read_exact(int sock, char *buf, int len);
 
+/* XXX not in rfb.h: */
+void rfbClientSendString(rfbClientPtr cl, char *reason);
+
 static int finish_auth(rfbClientPtr client, char *type) {
 	int security_result, ret;
 
@@ -1859,10 +1862,10 @@ void accept_openssl(int mode, int presock) {
 	 * here, since we use INADDR_LOOPBACK).
 	 */
 	rb = (unsigned char *) calloc(6, 1);
-	RAND_bytes((char *)rb, 6);
-	sprintf(cookie, "RB=%d%d%d%d%d%d/%f%f/0x%x",
+	RAND_bytes(rb, 6);
+	sprintf(cookie, "RB=%d%d%d%d%d%d/%f%f/%p",
 	    rb[0], rb[1], rb[2], rb[3], rb[4], rb[5],
-            dnow() - x11vnc_start, x11vnc_start, rb);
+            dnow() - x11vnc_start, x11vnc_start, (void *)rb);
 
 	if (mode != OPENSSL_INETD) {
 		name = get_remote_host(sock);
@@ -2780,6 +2783,7 @@ static int switch_to_anon_dh(void) {
 
 static int anontls_dialog(int s_in, int s_out) {
 
+	if (s_in || s_out) {}
 	anontls_selected = 1;
 
 	if (!switch_to_anon_dh()) {
@@ -2798,7 +2802,7 @@ static int anontls_dialog(int s_in, int s_out) {
 static int vencrypt_dialog(int s_in, int s_out) {
 	char buf[256], buf2[256];
 	int subtypes[16];
-	int n, i, ival, ok, db = 1, nsubtypes = 0;
+	int n, i, ival, ok, nsubtypes = 0;
 
 	vencrypt_selected = 0;
 
@@ -2829,7 +2833,7 @@ static int vencrypt_dialog(int s_in, int s_out) {
 	/* accept only 0.2 */
 	if (buf[0] != 0 || buf[1] != 2) {
 		rfbLog("vencrypt: unsupported VeNCrypt version, closing connection.\n");
-		buf[0] = 255;
+		buf[0] = (char) 255;
 		write_exact(s_out, buf, 1);
 		close(s_in); close(s_out);
 		return 0;
@@ -2965,12 +2969,12 @@ static int check_vnc_tls_mode(int s_in, int s_out) {
 		return 1;
 	}
 	if (ssl_client_mode) {
-		/* XXX check if this can be done in SSL client mode. */
 		if (vencrypt_mode == VENCRYPT_FORCE || anontls_mode == ANONTLS_FORCE) {
 			rfbLog("check_vnc_tls_mode: VENCRYPT_FORCE/ANONTLS_FORCE in client\n");
-			rfbLog("check_vnc_tls_mode: connect mode prevents normal SSL.\n");
-			//return 0;
+			rfbLog("check_vnc_tls_mode: connect mode.\n");
+			/* this is OK, continue on below for dialog. */
 		} else {
+			/* otherwise we must assume normal SSL (we send client hello) */
 			return 1;
 		}
 	}
@@ -3104,6 +3108,8 @@ static void pr_ssl_info(int verb) {
 	SSL_SESSION *s;
 	char *proto = "unknown";
 
+	if (verb) {}
+
 	if (ssl == NULL) {
 		return;
 	}
@@ -3131,7 +3137,7 @@ static void pr_ssl_info(int verb) {
 static void ssl_timeout (int sig) {
 	int i;
 	rfbLog("sig: %d, ssl_init[%d] timed out.\n", sig, getpid());
-	for (i=0; i < 256; i) {
+	for (i=0; i < 256; i++) {
 		close(i);
 	}
 	exit(1);
@@ -3139,7 +3145,7 @@ static void ssl_timeout (int sig) {
 
 static int ssl_init(int s_in, int s_out, int skip_vnc_tls) {
 	unsigned char *sid = (unsigned char *) "x11vnc SID";
-	char *name;
+	char *name = NULL;
 	int peerport = 0;
 	int db = 0, rc, err;
 	int ssock = s_in;
@@ -3159,7 +3165,7 @@ static int ssl_init(int s_in, int s_out, int skip_vnc_tls) {
 
 	if (skip_vnc_tls) {
 		rfbLog("SSL: ssl_helper[%d]: HTTPS mode, skipping check_vnc_tls_mode()\n",
-		    getpid(), name, peerport);
+		    getpid());
 	} else if (!check_vnc_tls_mode(s_in, s_out)) {
 		return 0;
 	}
@@ -3343,7 +3349,7 @@ static int ssl_init(int s_in, int s_out, int skip_vnc_tls) {
 	return 1;
 }
 
-static symmetric_encryption_xfer(int csock, int s_in, int s_out);
+static void symmetric_encryption_xfer(int csock, int s_in, int s_out);
 
 static void ssl_xfer(int csock, int s_in, int s_out, int is_https) {
 	int dbxfer = 0, db = 0, check_pending, fdmax, nfd, n, i, err;
@@ -3951,9 +3957,10 @@ if (db) rfbLog("raw_xfer bad write:  %d -> %d | %d/%d  errno=%d\n", csock, s_out
 #endif
 #include "enc.h"
 
-static symmetric_encryption_xfer(int csock, int s_in, int s_out) {
+static void symmetric_encryption_xfer(int csock, int s_in, int s_out) {
 	char tmp[100];
 	char *cipher, *keyfile, *q;
+
 	if (! enc_str) {
 		return;
 	}
@@ -3971,6 +3978,8 @@ static symmetric_encryption_xfer(int csock, int s_in, int s_out) {
 
 
 	/* TBD: s_in != s_out */
+	if (s_out) {}
+
 	sprintf(tmp, "fd=%d,%d", s_in, csock);
 
 	enc_do(cipher, keyfile, "-1", tmp);

x11vnc/x11vnc.c

@@ -148,6 +148,7 @@
 /*
  * main routine for the x11vnc program
  */
+void watch_loop(void);
 
 static int limit_shm(void);
 static void check_rcfile(int argc, char **argv);
@@ -284,7 +285,7 @@ void terminal_services(char *list) {
 		    PropModeReplace, (unsigned char *)list, strlen(list));
 		XSync(dpy, False);
 	}
-	if (db) fprintf(stderr, "TS_REDIR_LIST Atom: %d.\n");
+	if (db) fprintf(stderr, "TS_REDIR_LIST Atom: %d.\n", (int) at);
 
 	oh_restart_it_all:
 
@@ -512,7 +513,7 @@ if (tstk[j] != 0) fprintf(stderr, "B redir[%d][%d] = %d  %s\n", i, j, tstk[j], t
 				}
 			}
 			if (did_ts && rate_count > 100) {
-				int k, db_netstat = 1;
+				int db_netstat = 1;
 				char dcmd[100];
 
 				if (no_external_cmds) {
@@ -639,7 +640,7 @@ void do_tsd(void) {
 	if (a != None) {
 		get_prop(prop, 512, a);
 	}
-	if (db) fprintf(stderr, "TS_REDIR_LIST Atom: %d = '%s'\n", a, prop);
+	if (db) fprintf(stderr, "TS_REDIR_LIST Atom: %d = '%s'\n", (int) a, prop);
 
 	if (prop[0] == '\0') {
 		return;
@@ -772,7 +773,7 @@ static void check_redir_services(void) {
 			pid = (pid_t) atoi(prop);
 		}
 	}
-	if (db) fprintf(stderr, "TS_REDIR_PID Atom: %d = '%s'\n", a, prop);
+	if (db) fprintf(stderr, "TS_REDIR_PID Atom: %d = '%s'\n", (int) a, prop);
 
 	if (getenv("FD_TAG")) {
 		a = XInternAtom(dpy, "FD_TAG", False);
@@ -783,7 +784,7 @@ static void check_redir_services(void) {
 			    PropModeReplace, (unsigned char *)tag, strlen(tag));
 			XSync(dpy, False);
 		}
-		if (db) fprintf(stderr, "FD_TAG Atom: %d = '%s'\n", a, prop);
+		if (db) fprintf(stderr, "FD_TAG Atom: %d = '%s'\n", (int) a, prop);
 	}
 
 	prop[0] = '\0';
@@ -791,7 +792,7 @@ static void check_redir_services(void) {
 	if (a != None) {
 		get_prop(prop, 512, a);
 	}
-	if (db) fprintf(stderr, "TS_REDIR Atom: %d = '%s'\n", a, prop);
+	if (db) fprintf(stderr, "TS_REDIR Atom: %d = '%s'\n", (int) a, prop);
 	if (prop[0] == '\0') {
 		rfbLog("TS_REDIR is empty, restarting...\n");
 		restart = 1;
@@ -2264,7 +2265,6 @@ int main(int argc, char* argv[]) {
 			continue;
 		}
 		if (!strcmp(arg, "-sleepin")) {
-			int n;
 			CHECK_ARGC
 			do_sleepin(argv[++i]);
 			continue;
@@ -2557,7 +2557,6 @@ int main(int argc, char* argv[]) {
 			continue;
 		}
 		if (!strcmp(arg, "-enc")) {
-			char *q;
 			use_openssl = 1;
 			CHECK_ARGC
 			enc_str = strdup(argv[++i]);

x11vnc/xwrappers.c

@@ -189,7 +189,7 @@ Status XShmAttach_wr(Display *disp, XShmSegmentInfo *shminfo) {
 
 Status XShmDetach_wr(Display *disp, XShmSegmentInfo *shminfo) {
 #if LIBVNCSERVER_HAVE_XSHM
-	if (getenv("X11VNC_SHM_DEBUG")) fprintf(stderr, "XShmDetach_wr: 0x%x disp: 0x%x\n", shminfo, disp);
+	if (getenv("X11VNC_SHM_DEBUG")) fprintf(stderr, "XShmDetach_wr: %p disp: %p\n", (void *)shminfo, (void *)disp);
 	return XShmDetach(disp, shminfo);
 #else
 	if (!disp || !shminfo) {}
@@ -386,6 +386,8 @@ static void copy_raw_fb_low_bpp(XImage *dest, int x, int y, unsigned int w,
 	static int last_bpp = -1;
 	static int cga = -1;
 
+	if (rm_f | gm_f | bm_f) {}
+
 	if (cga < 0) {
 		if (getenv("RAWFB_CGA")) {
 			cga = 1;
@@ -412,7 +414,7 @@ static void copy_raw_fb_low_bpp(XImage *dest, int x, int y, unsigned int w,
 		for (br = 0; br < 8; br++) {
 			unsigned int pbit, k, m = 0;
 			
-			for (k=0; k < raw_fb_native_bpp; k++) {
+			for (k=0; k < (unsigned int) raw_fb_native_bpp; k++) {
 				pbit = 1 << (br+k);
 				m |= pbit;
 			}
@@ -427,8 +429,6 @@ if (0) fprintf(stderr, "x=%d y=%d w=%d h=%d bpl=%d d_bpl=%d-%dx%dx%d/%d %p\n",
 
 	for (line = 0; line < h; line++) {
 
-//fprintf(stderr, "w=%d h=%d x=%d y+line=%d\n", w, h, x, y+line);
-
 		if (! raw_fb_seek) {
 			/* mmap */
 			src = raw_fb_addr + raw_fb_offset + bpl*(y+line);
@@ -456,14 +456,12 @@ if (0) fprintf(stderr, "x=%d y=%d w=%d h=%d bpl=%d d_bpl=%d-%dx%dx%d/%d %p\n",
 				}
 			}
 		}
-		for (ix = 0; ix < w; ix++) {
+		for (ix = 0; ix < (int) w; ix++) {
 			int bx = (x + ix) * raw_fb_native_bpp;
 			int ib = bx / 8;
 			int br = bx - ib * 8;
 			unsigned char val;
 
-//fprintf(stderr, "%d\n", ix);
-
 			val = *((unsigned char*) (buf + ib));
 
 			val = msk[br] & val;
@@ -504,8 +502,6 @@ if (0) fprintf(stderr, "x=%d y=%d w=%d h=%d bpl=%d d_bpl=%d-%dx%dx%d/%d %p\n",
 			*(dst+ix) = (char) val;
 		}
 
-//fprintf(stderr, "\n", ix);
-
 		dst += dest->bytes_per_line;
 	}
 }