Initial revision

1 files changed, 246 insertions, 0 deletions

diff --git a/libgphoto2/build/print-udev-rules.c b/libgphoto2/build/print-udev-rules.c
new file mode 100644
index 00000000..fe90a380
--- /dev/null
+++ b/libgphoto2/build/print-udev-rules.c
@@ -0,0 +1,246 @@
+/* $Id$
+ *
+ * Copyright  2002 Hans Ulrich Niedermann <hun@users.sourceforge.net>
+ * Portions Copyright  2002 Lutz Mller <lutz@users.sourceforge.net>
+ * Portions Copyright  2002 FIXME
+ * Portions Copyright  2005 Julien BLACHE <jblache@debian.org>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details. 
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+/*
+ * Found at http://linuxfromscratch.org/pipermail/blfs-dev/2006-May/015009.html
+ * Eric Hameleers <alien@slackware.com>
+ */
+#define GP_USB_HOTPLUG_SCRIPT "/etc/hotplug/usb/usbcam"
+#define GP_CAMERA_GROUP "camera"
+
+#define HELP_TEXT \
+"print-udev-rules - print rules file for udev\n" \
+"\n" \
+"Syntax:\n" \
+"    print-udev-rules [ --verbose ] [ --debug ] [ <scriptname> ]\n" \
+"\n" \
+" --verbose   also print comments with camera model names\n" \
+" --debug     print all debug output\n" \
+"\n" \
+"print-udev-rules prints the lines for the rules file on stdout.\n" \
+"All other messages are printed on stderr. In case of any error, the \n" \
+"program aborts regardless of data printed on stdout and returns a non-zero\n" \
+"status code.\n" \
+"If no <scriptname> is given, print-udev-rules uses the script name\n" \
+"\"" GP_USB_HOTPLUG_SCRIPT "\"."
+
+#include <stdio.h>
+#include <sys/time.h>
+#include <time.h>
+#include <string.h>
+
+#include <gphoto2-camera.h>
+#include <gphoto2-port-log.h>
+
+#ifndef TRUE
+#define TRUE  (0==0)
+#endif
+#ifndef FALSE
+#define FALSE (0!=0)
+#endif
+
+#define GP_USB_HOTPLUG_MATCH_VENDOR_ID          0x0001
+#define GP_USB_HOTPLUG_MATCH_PRODUCT_ID         0x0002
+
+#define GP_USB_HOTPLUG_MATCH_DEV_CLASS          0x0080
+#define GP_USB_HOTPLUG_MATCH_DEV_SUBCLASS       0x0100
+#define GP_USB_HOTPLUG_MATCH_DEV_PROTOCOL       0x0200
+
+#ifdef __GNUC__
+#define CR(result) \
+	do { \
+		int r = (result); \
+		if (r < 0) { \
+			fprintf(stderr, "print-usb-usermap: " \
+				"Fatal error running `%s'.\n" \
+				"Aborting.\n", #result ); \
+			return (r); \
+		} \
+	} while (0)
+#else /* !__GNUC__ */
+#define CR(result) \
+	do { \
+		int r = (result); \
+		if (r < 0) { \
+			fprintf(stderr, "print-usb-usermap: " \
+				"Fatal error detected, aborting.\n"); \
+			return (r); \
+		} \
+	} while (0)
+#endif /* __GNUC__ */
+
+/* print-udev-rules
+ *
+ * Print out lines that can be included into an udev rules file
+ * - for all cams supported by our instance of libgphoto2.
+ *
+ * written after list_cameras & print_usb_usermap
+ */
+
+static int print_udev_rules (const char *hotplug_script, const int add_comments)
+{
+	int x, n;
+	CameraAbilitiesList *al;
+        CameraAbilities a;
+
+	CR (gp_abilities_list_new (&al));
+	CR (gp_abilities_list_load (al, NULL)); /* use NULL context */
+	CR (n = gp_abilities_list_count (al));
+
+	printf ("# udev rules file for libgphoto2\n#\n");
+	printf ("ACTION!=\"add\", GOTO=\"libgphoto2_rules_end\"\n\n");
+
+        for (x = 0; x < n; x++) {
+		int flags = 0;
+		int class = 0, subclass = 0, proto = 0;
+		int usb_vendor = 0, usb_product = 0;
+
+		CR (gp_abilities_list_get_abilities (al, x, &a));
+
+		if (!(a.port & GP_PORT_USB))
+		    continue;
+
+		if (a.usb_vendor) { /* usb product id may be 0! */
+			class = 0;
+			subclass = 0;
+			proto = 0;
+			flags = GP_USB_HOTPLUG_MATCH_VENDOR_ID | GP_USB_HOTPLUG_MATCH_PRODUCT_ID;
+			usb_vendor = a.usb_vendor;
+			usb_product = a.usb_product;
+		} else if (a.usb_class) {
+			class = a.usb_class;
+			subclass = a.usb_subclass;
+			proto = a.usb_protocol;
+			flags = GP_USB_HOTPLUG_MATCH_DEV_CLASS;
+			if (subclass != -1)
+			    flags |= GP_USB_HOTPLUG_MATCH_DEV_SUBCLASS;
+			else
+			    subclass = 0;
+			if (proto != -1)
+			    flags |= GP_USB_HOTPLUG_MATCH_DEV_PROTOCOL;
+			else
+			    proto = 0;
+			usb_vendor = 0;
+			usb_product = 0;
+		} else {
+			flags = 0;
+		}
+
+		if (flags != 0) {
+			printf ("# %s\n", 
+				a.model);
+
+			if (flags & GP_USB_HOTPLUG_MATCH_DEV_CLASS) {
+				printf("SYSFS{bDeviceClass}==\"%02x\", ", class);
+				if (flags & GP_USB_HOTPLUG_MATCH_DEV_SUBCLASS) {
+					printf("SYSFS{bDeviceSubClass}==\"%02x\", ", subclass);
+				}
+				if (flags & GP_USB_HOTPLUG_MATCH_DEV_PROTOCOL) {
+					printf("SYSFS{bDeviceProtocol}==\"%02x\", ", proto);
+				}
+			} else {
+				printf ("SYSFS{idVendor}==\"%04x\", SYSFS{idProduct}==\"%04x\", ",
+					a.usb_vendor, a.usb_product);
+			}
+			printf("MODE=\"0660\", GROUP=\"%s\"\n", GP_CAMERA_GROUP);
+		} else {
+			fputs ("Error: Neither vendor/product nor class/subclass matched\n", stderr);
+			return 2;
+		}
+        }
+	printf ("\nLABEL=\"libgphoto2_rules_end\"\n");
+
+	CR (gp_abilities_list_free (al));
+
+        return (0);
+}
+
+/* time zero for debug log time stamps */
+struct timeval glob_tv_zero = { 0, 0 };
+
+static void
+debug_func (GPLogLevel level, const char *domain, const char *format,
+	    va_list args, void *data)
+{
+	struct timeval tv;
+	gettimeofday (&tv,NULL);
+	fprintf (stderr, "%li.%06li %s(%i): ", 
+		 tv.tv_sec - glob_tv_zero.tv_sec, 
+		 (1000000 + tv.tv_usec - glob_tv_zero.tv_usec) % 1000000,
+		 domain, level);
+	vfprintf (stderr, format, args);
+	fprintf (stderr, "\n");
+}
+
+int main(int argc, char *argv[])
+{
+	char *hotplug_script = NULL; /* script name to use */
+	int add_comments = FALSE;    /* whether to add cam model as a comment */
+	int debug_mode = FALSE;      /* whether we should output debug messages */
+
+	int i;
+
+	/* check command line arguments */
+	for (i=1; i<argc; i++) {
+		if (0 == strcmp(argv[i], "--verbose")) {
+			if (add_comments) {
+				fprintf(stderr, "Error: duplicate parameter: option \"%s\"\n", argv[i]);
+				return 1;
+			}
+			add_comments = TRUE;
+		} else if (0 == strcmp(argv[i], "--debug")) {
+			if (debug_mode) {
+				fprintf(stderr, "Error: duplicate parameter: option \"%s\"\n", argv[i]);
+				return 1;
+			}
+			debug_mode = TRUE;
+			/* now is time zero for debug log time stamps */
+			gettimeofday (&glob_tv_zero, NULL);
+			gp_log_add_func (GP_LOG_ALL, debug_func, NULL);
+		} else if (0 == strcmp(argv[i], "--help")) {
+			puts(HELP_TEXT);
+			return 0;
+		} else {
+			if (hotplug_script != NULL) {
+				fprintf(stderr, "Error: duplicate script parameter: \"%s\"\n", argv[i]);
+				return 1;
+			}
+			/* assume script name */
+			hotplug_script = argv[i];
+		}
+	}
+
+	if (NULL == hotplug_script) {
+		hotplug_script = GP_USB_HOTPLUG_SCRIPT;
+	}
+
+	return print_udev_rules(hotplug_script, add_comments);
+}
+
+/*
+ * Local Variables:
+ * c-file-style:"linux"
+ * indent-tabs-mode:t
+ * End:
+ */
+