aboutsummaryrefslogtreecommitdiff
path: root/nx-X11/programs/nxauth/parsedpy.c
diff options
context:
space:
mode:
Diffstat (limited to 'nx-X11/programs/nxauth/parsedpy.c')
-rw-r--r--nx-X11/programs/nxauth/parsedpy.c259
1 files changed, 259 insertions, 0 deletions
diff --git a/nx-X11/programs/nxauth/parsedpy.c b/nx-X11/programs/nxauth/parsedpy.c
new file mode 100644
index 000000000..104eb1ebc
--- /dev/null
+++ b/nx-X11/programs/nxauth/parsedpy.c
@@ -0,0 +1,259 @@
+/*
+ * $Xorg: parsedpy.c,v 1.4 2001/02/09 02:05:38 xorgcvs Exp $
+ *
+ * parse_displayname - utility routine for splitting up display name strings
+ *
+ *
+Copyright 1989, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+ * *
+ * Author: Jim Fulton, MIT X Consortium
+ */
+
+/* $XFree86: xc/programs/xauth/parsedpy.c,v 3.6 2001/12/14 20:01:15 dawes Exp $ */
+/**************************************************************************/
+/* */
+/* Copyright (c) 2001, 2007 NoMachine, http://www.nomachine.com/. */
+/* */
+/* NXAUTH, NX protocol compression and NX extensions to this software */
+/* are copyright of NoMachine. Redistribution and use of the present */
+/* software is allowed according to terms specified in the file LICENSE */
+/* which comes in the source distribution. */
+/* */
+/* Check http://www.nomachine.com/licensing.html for applicability. */
+/* */
+/* NX and NoMachine are trademarks of NoMachine S.r.l. */
+/* */
+/* All rights reserved. */
+/* */
+/**************************************************************************/
+
+#include <stdio.h> /* for NULL */
+#include <ctype.h> /* for isascii() and isdigit() */
+#include <X11/Xos.h> /* for strchr() and string routines */
+#include <X11/Xlib.h> /* for Family contants */
+#ifdef hpux
+#include <sys/utsname.h> /* for struct utsname */
+#endif
+#include <X11/Xauth.h> /* for FamilyLocal */
+
+#if defined(UNIXCONN) || defined(LOCALCONN)
+#define UNIX_CONNECTION "unix"
+#define UNIX_CONNECTION_LENGTH 4
+#endif
+
+#include <stdlib.h>
+#include "xauth.h"
+
+#define PANIC
+#define WARNING
+#undef TEST
+#undef DEBUG
+
+/*
+ * private utility routines
+ */
+
+char *
+copystring (char *src, int len)
+{
+ char *cp;
+
+ if (!src && len != 0) return NULL;
+ cp = malloc (len + 1);
+ if (cp) {
+ if (src) strncpy (cp, src, len);
+ cp[len] = '\0';
+ }
+ return cp;
+}
+
+
+char *
+get_local_hostname (char *buf, int maxlen)
+{
+ buf[0] = '\0';
+/*
+ (void) XmuGetHostname (buf, maxlen);
+*/
+ /*FIXME*/
+
+ (void) gethostname (buf, maxlen);
+
+ buf [maxlen - 1] = '\0';
+
+ #ifdef TEST
+ printf("get_local_hostname: Host name is %s", buf);
+ #endif
+
+ return (buf[0] ? buf : NULL);
+}
+
+#ifndef UNIXCONN
+static char *
+copyhostname (void)
+{
+ char buf[256];
+
+ return (get_local_hostname (buf, sizeof buf) ?
+ copystring (buf, strlen (buf)) : NULL);
+}
+#endif
+
+/*
+ * parse_displayname - display a display string up into its component parts
+ */
+Bool
+parse_displayname (char *displayname,
+ int *familyp, /* return */
+ char **hostp, /* return */
+ int *dpynump, /* return */
+ int *scrnump, /* return */
+ char **restp) /* return */
+{
+ char *ptr; /* work variables */
+ int len; /* work variable */
+ int family = -1; /* value to be returned */
+ char *host = NULL; /* must free if set and error return */
+ int dpynum = -1; /* value to be returned */
+ int scrnum = 0; /* value to be returned */
+ char *rest = NULL; /* must free if set and error return */
+ Bool dnet = False; /* if true then using DECnet */
+
+ /* check the name */
+ if (!displayname || !displayname[0]) return False;
+
+ /* must have at least :number */
+ ptr = strchr(displayname, ':');
+ if (!ptr || !ptr[1]) return False;
+ if (ptr[1] == ':') {
+ if (ptr[2] == '\0') return False;
+ dnet = True;
+ }
+
+
+ /*
+ * get the host string; if none is given, use the most effiecient path
+ */
+
+ len = (ptr - displayname); /* length of host name */
+ if (len == 0) { /* choose most efficient path */
+#if defined(UNIXCONN) || defined(LOCALCONN)
+ host = copystring (UNIX_CONNECTION, UNIX_CONNECTION_LENGTH);
+ family = FamilyLocal;
+#else
+ if (dnet) {
+ host = copystring ("0", 1);
+ family = FamilyDECnet;
+ } else {
+ host = copyhostname ();
+ family = FamilyInternet;
+ }
+#endif
+ } else {
+ host = copystring (displayname, len);
+ if (dnet) {
+ family = dnet;
+ } else {
+#if defined(UNIXCONN) || defined(LOCALCONN)
+ if (host && strcmp (host, UNIX_CONNECTION) == 0)
+ family = FamilyLocal;
+ else
+#endif
+ family = FamilyInternet;
+ }
+ }
+
+ if (!host) return False;
+
+
+ /*
+ * get the display number; we know that there is something after the
+ * colon (or colons) from above. note that host is now set and must
+ * be freed if there is an error.
+ */
+
+ if (dnet) ptr++; /* skip the extra DECnet colon */
+ ptr++; /* move to start of display num */
+ {
+ register char *cp;
+
+ for (cp = ptr; *cp && isascii(*cp) && isdigit(*cp); cp++) ;
+ len = (cp - ptr);
+ /* check present and valid follow */
+ if (len == 0 || (*cp && *cp != '.')) {
+ free (host);
+ return False;
+ }
+
+ dpynum = atoi (ptr); /* it will handle num. as well */
+ ptr = cp;
+ }
+
+ /*
+ * now get screen number if given; ptr may point to nul at this point
+ */
+ if (ptr[0] == '.') {
+ register char *cp;
+
+ ptr++;
+ for (cp = ptr; *cp && isascii(*cp) && isdigit(*cp); cp++) ;
+ len = (cp - ptr);
+ if (len == 0 || (*cp && *cp != '.')) { /* all prop name */
+ free (host);
+ return False;
+ }
+
+ scrnum = atoi (ptr); /* it will handle num. as well */
+ ptr = cp;
+ }
+
+ /*
+ * and finally, get any additional stuff that might be following the
+ * the screen number; ptr must point to a period if there is anything
+ */
+
+ if (ptr[0] == '.') {
+ ptr++;
+ len = strlen (ptr);
+ if (len > 0) {
+ rest = copystring (ptr, len);
+ if (!rest) {
+ free (host);
+ return False;
+ }
+ }
+ }
+
+ /*
+ * and we are done!
+ */
+
+ *familyp = family;
+ *hostp = host;
+ *dpynump = dpynum;
+ *scrnump = scrnum;
+ *restp = rest;
+ return True;
+}
+
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-11 14:34:14 +0000