first public release of samba4 code

(This used to be commit b0510b5428b3461aeb9bbe3cc95f62fc73e2b97f)

1 files changed, 144 insertions, 0 deletions

diff --git a/source4/printing/print_svid.c b/source4/printing/print_svid.c
new file mode 100644
index 0000000000..07b157bcd9
--- /dev/null
+++ b/source4/printing/print_svid.c
@@ -0,0 +1,144 @@
+/*
+ * Copyright (C) 1997-1998 by Norm Jacobs, Colorado Springs, Colorado, USA
+ * Copyright (C) 1997-1998 by Sun Microsystem, Inc.
+ * All Rights Reserved
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+/*
+ * This module implements support for gathering and comparing available
+ * printer information on a SVID or XPG4 compliant system.  It does this
+ * through the use of the SVID/XPG4 command "lpstat(1)".
+ *
+ * The expectations is that execution of the command "lpstat -v" will
+ * generate responses in the form of:
+ *
+ *	device for serial: /dev/term/b
+ *	system for fax: server
+ *	system for color: server (as printer chroma)
+ */
+
+
+#include "includes.h"
+
+#ifdef SYSV
+
+typedef struct printer {
+	char *name;
+	struct printer *next;
+} printer_t;
+static printer_t *printers = NULL;
+
+static void populate_printers(void)
+{
+	char **lines;
+	int i;
+
+	lines = file_lines_pload("/usr/bin/lpstat -v", NULL);
+	if (!lines) return;
+
+	for (i=0;lines[i];i++) {
+		printer_t *ptmp;
+		char *name, *tmp;
+		char *buf = lines[i];
+
+		/* eat "system/device for " */
+		if (((tmp = strchr_m(buf, ' ')) == NULL) ||
+		    ((tmp = strchr_m(++tmp, ' ')) == NULL))
+			continue;
+
+		/*
+		 * In case we're only at the "for ".
+		 */
+
+		if(!strncmp("for ",++tmp,4)) {
+			tmp=strchr_m(tmp, ' ');
+			tmp++;
+		}
+
+		/* Eat whitespace. */
+
+		while(*tmp == ' ')
+			++tmp;
+
+		/*
+		 * On HPUX there is an extra line that can be ignored.
+		 * d.thibadeau 2001/08/09
+		 */
+		if(!strncmp("remote to",tmp,9))
+			continue;
+
+		name = tmp;
+
+		/* truncate the ": ..." */
+		if ((tmp = strchr_m(name, ':')) != NULL)
+			*tmp = '\0';
+		
+		/* add it to the cache */
+		if ((ptmp = malloc(sizeof (*ptmp))) != NULL) {
+			ZERO_STRUCTP(ptmp);
+			if((ptmp->name = strdup(name)) == NULL)
+				DEBUG(0,("populate_printers: malloc fail in strdup !\n"));
+			ptmp->next = printers;
+			printers = ptmp;
+		} else {
+			DEBUG(0,("populate_printers: malloc fail for ptmp\n"));
+		}
+	}
+
+	file_lines_free(lines);
+}
+
+
+/*
+ * provide the equivalent of pcap_printer_fn() for SVID/XPG4 conforming
+ * systems.  It was unclear why pcap_printer_fn() was tossing names longer
+ * than 8 characters.  I suspect that its a protocol limit, but amazingly
+ * names longer than 8 characters appear to work with my test
+ * clients (Win95/NT).
+ */
+void sysv_printer_fn(void (*fn)(char *, char *))
+{
+	printer_t *tmp;
+
+	if (printers == NULL)
+		populate_printers();
+	for (tmp = printers; tmp != NULL; tmp = tmp->next)
+		(fn)(tmp->name, "");
+}
+
+
+/*
+ * provide the equivalent of pcap_printername_ok() for SVID/XPG4 conforming
+ * systems.
+ */
+int sysv_printername_ok(const char *name)
+{
+	printer_t *tmp;
+
+	if (printers == NULL)
+		populate_printers();
+	for (tmp = printers; tmp != NULL; tmp = tmp->next)
+		if (strcmp(tmp->name, name) == 0)
+			return (True);
+	return (False);
+}
+
+#else
+/* this keeps fussy compilers happy */
+ void print_svid_dummy(void);
+ void print_svid_dummy(void) {}
+#endif