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authorjlovell <jlovell@a1ca3aef-8c08-0410-bb20-df032aa958be>2006-01-13 01:51:53 +0000
committerjlovell <jlovell@a1ca3aef-8c08-0410-bb20-df032aa958be>2006-01-13 01:51:53 +0000
commitef416fc25c4af449e930416117bedb12fc9924ba (patch)
tree11f8aa8c5d3565a17d4a6d5121d3edba22e2a21e /backend/ieee1284.c
parent9ec11526e139aeacf6a052799a6aa22cbbe6ebb2 (diff)
downloadcups-ef416fc25c4af449e930416117bedb12fc9924ba.tar.gz
Load cups into easysw/current.
git-svn-id: svn+ssh://src.apple.com/svn/cups/easysw/current@2 a1ca3aef-8c08-0410-bb20-df032aa958be
Diffstat (limited to 'backend/ieee1284.c')
-rw-r--r--backend/ieee1284.c373
1 files changed, 373 insertions, 0 deletions
diff --git a/backend/ieee1284.c b/backend/ieee1284.c
new file mode 100644
index 000000000..6152c4c7a
--- /dev/null
+++ b/backend/ieee1284.c
@@ -0,0 +1,373 @@
+/*
+ * "$Id: ieee1284.c 4903 2006-01-10 20:02:46Z mike $"
+ *
+ * IEEE-1284 support functions for the Common UNIX Printing System (CUPS).
+ *
+ * Copyright 1997-2006 by Easy Software Products, all rights reserved.
+ *
+ * These coded instructions, statements, and computer programs are the
+ * property of Easy Software Products and are protected by Federal
+ * copyright law. Distribution and use rights are outlined in the file
+ * "LICENSE" which should have been included with this file. If this
+ * file is missing or damaged please contact Easy Software Products
+ * at:
+ *
+ * Attn: CUPS Licensing Information
+ * Easy Software Products
+ * 44141 Airport View Drive, Suite 204
+ * Hollywood, Maryland 20636 USA
+ *
+ * Voice: (301) 373-9600
+ * EMail: cups-info@cups.org
+ * WWW: http://www.cups.org
+ *
+ * This file is subject to the Apple OS-Developed Software exception.
+ *
+ * Contents:
+ *
+ * get_device_id() - Get the IEEE-1284 device ID string and corresponding
+ * URI.
+ */
+
+/*
+ * Include necessary headers.
+ */
+
+#include <cups/debug.h>
+#ifdef __linux
+# include <sys/ioctl.h>
+# include <linux/lp.h>
+# define IOCNR_GET_DEVICE_ID 1
+# define LPIOC_GET_DEVICE_ID(len) _IOC(_IOC_READ, 'P', IOCNR_GET_DEVICE_ID, len)
+#endif /* __linux */
+
+#ifdef __sun
+# ifdef __sparc
+# include <sys/ecppio.h>
+# else
+# include <sys/ioccom.h>
+# include <sys/ecppsys.h>
+# endif /* __sparc */
+#endif /* __sun */
+
+
+/*
+ * 'get_device_id()' - Get the IEEE-1284 device ID string and
+ * corresponding URI.
+ */
+
+int /* O - 0 on success, -1 on failure */
+get_device_id(
+ int fd, /* I - File descriptor */
+ char *device_id, /* O - 1284 device ID */
+ int device_id_size, /* I - Size of buffer */
+ char *make_model, /* O - Make/model */
+ int make_model_size, /* I - Size of buffer */
+ const char *scheme, /* I - URI scheme */
+ char *uri, /* O - Device URI */
+ int uri_size) /* I - Size of buffer */
+{
+ char *attr, /* 1284 attribute */
+ *delim, /* 1284 delimiter */
+ *uriptr, /* Pointer into URI */
+ *mfg, /* Manufacturer string */
+ *mdl, /* Model string */
+ serial_number[1024]; /* Serial number string */
+#ifdef __linux
+ int length; /* Length of device ID info */
+#endif /* __linux */
+#ifdef __sun
+ struct ecpp_device_id did; /* Device ID buffer */
+#endif /* __sun */
+
+ DEBUG_printf(("get_device_id(fd=%d, device_id=%p, device_id_size=%d, "
+ "make_model=%p, make_model_size=%d, scheme=\"%s\", "
+ "uri=%p, uri_size=%d)\n", fd, device_id, device_id_size,
+ make_model, make_model_size, scheme ? scheme : "(null)",
+ uri, uri_size));
+
+ /*
+ * Range check input...
+ */
+
+ if (fd < 0 ||
+ !device_id || device_id_size < 32 ||
+ !make_model || make_model_size < 32)
+ {
+ DEBUG_puts("get_device_id: Bad args!");
+ return (-1);
+ }
+
+ *device_id = '\0';
+ *make_model = '\0';
+
+ if (uri)
+ *uri = '\0';
+
+ /*
+ * Get the device ID string...
+ */
+
+#ifdef __linux
+ if (!ioctl(fd, LPIOC_GET_DEVICE_ID(device_id_size), device_id))
+ {
+ /*
+ * Extract the length of the device ID string from the first two
+ * bytes. The 1284 spec says the length is stored MSB first...
+ */
+
+ length = (((unsigned)device_id[0] & 255) << 8) +
+ ((unsigned)device_id[1] & 255);
+
+ /*
+ * Check to see if the length is larger than our buffer; first
+ * assume that the vendor incorrectly implemented the 1284 spec,
+ * and then limit the length to the size of our buffer...
+ */
+
+ if (length > (device_id_size - 2))
+ length = (((unsigned)device_id[1] & 255) << 8) +
+ ((unsigned)device_id[0] & 255);
+
+ if (length > (device_id_size - 2))
+ length = device_id_size - 2;
+
+ /*
+ * Copy the device ID text to the beginning of the buffer and
+ * nul-terminate.
+ */
+
+ memmove(device_id, device_id + 2, length);
+ device_id[length] = '\0';
+ }
+# ifdef DEBUG
+ else
+ printf("get_device_id: ioctl failed - %s\n", strerror(errno));
+# endif /* DEBUG */
+#endif /* __linux */
+
+#if defined(__sun) && defined(ECPPIOC_GETDEVID)
+ did.mode = ECPP_CENTRONICS;
+ did.len = device_id_size - 1;
+ did.rlen = 0;
+ did.addr = device_id;
+
+ if (!ioctl(fd, ECPPIOC_GETDEVID, &did))
+ {
+ /*
+ * Nul-terminate the device ID text.
+ */
+
+ if (did.rlen < (device_id_size - 1))
+ device_id[did.rlen] = '\0';
+ else
+ device_id[device_id_size - 1] = '\0';
+ }
+# ifdef DEBUG
+ else
+ printf("get_device_id: ioctl failed - %s\n", strerror(errno));
+# endif /* DEBUG */
+#endif /* __sun && ECPPIOC_GETDEVID */
+
+ DEBUG_printf(("get_device_id: device_id=\"%s\"\n", device_id));
+
+ if (!*device_id)
+ return (-1);
+
+ /*
+ * Look for the description field...
+ */
+
+ if ((attr = strstr(device_id, "DES:")) != NULL)
+ attr += 4;
+ else if ((attr = strstr(device_id, "DESCRIPTION:")) != NULL)
+ attr += 12;
+
+ if (attr)
+ {
+ /*
+ * Make sure the description contains something useful, since some
+ * printer manufacturers (HP) apparently don't follow the standards
+ * they helped to define...
+ *
+ * Here we require the description to be 8 or more characters in length,
+ * containing at least one space and one letter.
+ */
+
+ if ((delim = strchr(attr, ';')) == NULL)
+ delim = attr + strlen(attr);
+
+ if ((delim - attr) < 8)
+ attr = NULL;
+ else
+ {
+ char *ptr; /* Pointer into description */
+ int letters, /* Number of letters seen */
+ spaces; /* Number of spaces seen */
+
+
+ for (ptr = attr, letters = 0, spaces = 0; ptr < delim; ptr ++)
+ {
+ if (isspace(*ptr & 255))
+ spaces ++;
+ else if (isalpha(*ptr & 255))
+ letters ++;
+
+ if (spaces && letters)
+ break;
+ }
+
+ if (!spaces || !letters)
+ attr = NULL;
+ }
+ }
+
+ if ((mfg = strstr(device_id, "MANUFACTURER:")) != NULL)
+ mfg += 13;
+ else if ((mfg = strstr(device_id, "MFG:")) != NULL)
+ mfg += 4;
+
+ if ((mdl = strstr(device_id, "MODEL:")) != NULL)
+ mdl += 6;
+ else if ((mdl = strstr(device_id, "MDL:")) != NULL)
+ mdl += 4;
+
+ if (attr)
+ {
+ /*
+ * Use description...
+ */
+
+ if (!strncasecmp(attr, "Hewlett-Packard hp ", 19))
+ {
+ /*
+ * Check for a common HP bug...
+ */
+
+ strlcpy(make_model, "HP ", make_model_size);
+ strlcpy(make_model + 3, attr + 19, make_model_size - 3);
+ }
+ else if (!strncasecmp(attr, "Hewlett-Packard ", 16))
+ {
+ strlcpy(make_model, "HP ", make_model_size);
+ strlcpy(make_model + 3, attr + 16, make_model_size - 3);
+ }
+ else
+ {
+ strlcpy(make_model, attr, make_model_size);
+ }
+ }
+ else if (mfg && mdl)
+ {
+ /*
+ * Build a make-model string from the manufacturer and model attributes...
+ */
+
+ if (!strncasecmp(mfg, "Hewlett-Packard", 15))
+ strlcpy(make_model, "HP", make_model_size);
+ else
+ strlcpy(make_model, mfg, make_model_size);
+
+ if ((delim = strchr(make_model, ';')) != NULL)
+ *delim = '\0';
+
+ if (!strncasecmp(make_model, mdl, strlen(make_model)))
+ {
+ /*
+ * Just copy model string, since it has the manufacturer...
+ */
+
+ strlcpy(make_model, mdl, make_model_size);
+ }
+ else
+ {
+ /*
+ * Concatenate the make and model...
+ */
+
+ strlcat(make_model, " ", make_model_size);
+ strlcat(make_model, mdl, make_model_size);
+ }
+ }
+ else
+ {
+ /*
+ * Use "Unknown" as the printer make and model...
+ */
+
+ strlcpy(make_model, "Unknown", make_model_size);
+ }
+
+ if ((delim = strchr(make_model, ';')) != NULL)
+ *delim = '\0';
+
+ if (scheme && uri && uri_size > 32)
+ {
+ /*
+ * Look for the serial number field...
+ */
+
+ if ((attr = strstr(device_id, "SERN:")) != NULL)
+ attr += 5;
+ else if ((attr = strstr(device_id, "SERIALNUMBER:")) != NULL)
+ attr += 13;
+ else if ((attr = strstr(device_id, ";SN:")) != NULL)
+ attr += 4;
+
+ if (attr)
+ {
+ strlcpy(serial_number, attr, sizeof(serial_number));
+
+ if ((delim = strchr(serial_number, ';')) != NULL)
+ *delim = '\0';
+ }
+ else
+ serial_number[0] = '\0';
+
+ /*
+ * Generate the device URI from the make_model and serial number strings.
+ */
+
+ snprintf(uri, uri_size, "%s://", scheme);
+ for (uriptr = uri + strlen(uri), delim = make_model;
+ *delim && uriptr < (uri + uri_size - 1);
+ delim ++)
+ if (*delim == ' ')
+ {
+ delim ++;
+ *uriptr++ = '/';
+ break;
+ }
+ else
+ *uriptr++ = *delim;
+
+ for (; *delim && uriptr < (uri + uri_size - 3); delim ++)
+ if (*delim == ' ')
+ {
+ *uriptr++ = '%';
+ *uriptr++ = '2';
+ *uriptr++ = '0';
+ }
+ else
+ *uriptr++ = *delim;
+
+ *uriptr = '\0';
+
+ if (serial_number[0])
+ {
+ /*
+ * Add the serial number to the URI...
+ */
+
+ strlcat(uri, "?serial=", uri_size);
+ strlcat(uri, serial_number, uri_size);
+ }
+ }
+
+ return (0);
+}
+
+
+/*
+ * End of "$Id: ieee1284.c 4903 2006-01-10 20:02:46Z mike $".
+ */