Add Bluetooth backend for CUPS

1 files changed, 103 insertions, 0 deletions

diff --git a/cups/spp.c b/cups/spp.c
new file mode 100644
index 00000000..ec8fcdd5
--- /dev/null
+++ b/cups/spp.c
@@ -0,0 +1,103 @@
+/*
+ *
+ *  BlueZ - Bluetooth protocol stack for Linux
+ *
+ *  Copyright (C) 2003-2004  Marcel Holtmann <marcel@holtmann.org>
+ *
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  published by the Free Software Foundation;
+ *
+ *  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 OF THIRD PARTY RIGHTS.
+ *  IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
+ *  CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES 
+ *  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 
+ *  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 
+ *  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ *  ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, 
+ *  COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS 
+ *  SOFTWARE IS DISCLAIMED.
+ *
+ *
+ *  $Id$
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdio.h>
+#include <errno.h>
+#include <unistd.h>
+#include <signal.h>
+#include <sys/socket.h>
+
+#include <bluetooth/bluetooth.h>
+#include <bluetooth/rfcomm.h>
+
+int spp_print(bdaddr_t *src, bdaddr_t *dst, uint8_t channel, int fd, int copies)
+{
+	struct sockaddr_rc addr;
+	unsigned char buf[2048];
+	int i, sk, len;
+
+	if ((sk = socket(PF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM)) < 0) {
+		perror("ERROR: Can't create socket");
+		return 1;
+	}
+
+	addr.rc_family = AF_BLUETOOTH;
+	bacpy(&addr.rc_bdaddr, src);
+	addr.rc_channel = 0;
+
+	if (bind(sk, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
+		perror("ERROR: Can't bind socket");
+		close(sk);
+		return 1;
+	}
+
+	addr.rc_family = AF_BLUETOOTH;
+	bacpy(&addr.rc_bdaddr, dst);
+	addr.rc_channel = channel;
+
+	if (connect(sk, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
+		perror("ERROR: Can't connect to device");
+		close(sk);
+		return 1;
+	}
+
+	/* Ignore SIGTERM signals if printing from stdin */
+	if (fd == 0) {
+#ifdef HAVE_SIGSET
+		sigset(SIGTERM, SIG_IGN);
+#elif defined(HAVE_SIGACTION)
+		memset(&action, 0, sizeof(action));
+		sigemptyset(&action.sa_mask);
+		action.sa_handler = SIG_IGN;
+		sigaction(SIGTERM, &action, NULL);
+#else
+		signal(SIGTERM, SIG_IGN);
+#endif /* HAVE_SIGSET */
+	}
+
+	for (i = 0; i < copies; i++) {
+
+		if (fd != 0) {
+			fprintf(stderr, "PAGE: 1 1\n");
+			lseek(fd, 0, SEEK_SET);
+		}
+
+		while ((len = read(fd, buf, sizeof(buf))) > 0) {
+			write(sk, buf, len);
+		}
+
+	}
+
+	close(sk);
+
+	return 0;
+}