xref: /aosp_15_r20/external/libcups/backend/ieee1284.c (revision 5e7646d21f1134fb0638875d812ef646c12ab91e)
1*5e7646d2SAndroid Build Coastguard Worker /*
2*5e7646d2SAndroid Build Coastguard Worker  * IEEE-1284 support functions for CUPS.
3*5e7646d2SAndroid Build Coastguard Worker  *
4*5e7646d2SAndroid Build Coastguard Worker  * Copyright © 2007-2015 by Apple Inc.
5*5e7646d2SAndroid Build Coastguard Worker  * Copyright © 1997-2007 by Easy Software Products, all rights reserved.
6*5e7646d2SAndroid Build Coastguard Worker  *
7*5e7646d2SAndroid Build Coastguard Worker  * Licensed under Apache License v2.0.  See the file "LICENSE" for more
8*5e7646d2SAndroid Build Coastguard Worker  * information.
9*5e7646d2SAndroid Build Coastguard Worker  */
10*5e7646d2SAndroid Build Coastguard Worker 
11*5e7646d2SAndroid Build Coastguard Worker /*
12*5e7646d2SAndroid Build Coastguard Worker  * Include necessary headers.
13*5e7646d2SAndroid Build Coastguard Worker  */
14*5e7646d2SAndroid Build Coastguard Worker 
15*5e7646d2SAndroid Build Coastguard Worker #include "backend-private.h"
16*5e7646d2SAndroid Build Coastguard Worker #include <cups/ppd-private.h>
17*5e7646d2SAndroid Build Coastguard Worker 
18*5e7646d2SAndroid Build Coastguard Worker 
19*5e7646d2SAndroid Build Coastguard Worker /*
20*5e7646d2SAndroid Build Coastguard Worker  * 'backendGetDeviceID()' - Get the IEEE-1284 device ID string and
21*5e7646d2SAndroid Build Coastguard Worker  *                          corresponding URI.
22*5e7646d2SAndroid Build Coastguard Worker  */
23*5e7646d2SAndroid Build Coastguard Worker 
24*5e7646d2SAndroid Build Coastguard Worker int					/* O - 0 on success, -1 on failure */
backendGetDeviceID(int fd,char * device_id,int device_id_size,char * make_model,int make_model_size,const char * scheme,char * uri,int uri_size)25*5e7646d2SAndroid Build Coastguard Worker backendGetDeviceID(
26*5e7646d2SAndroid Build Coastguard Worker     int        fd,			/* I - File descriptor */
27*5e7646d2SAndroid Build Coastguard Worker     char       *device_id,		/* O - 1284 device ID */
28*5e7646d2SAndroid Build Coastguard Worker     int        device_id_size,		/* I - Size of buffer */
29*5e7646d2SAndroid Build Coastguard Worker     char       *make_model,		/* O - Make/model */
30*5e7646d2SAndroid Build Coastguard Worker     int        make_model_size,		/* I - Size of buffer */
31*5e7646d2SAndroid Build Coastguard Worker     const char *scheme,			/* I - URI scheme */
32*5e7646d2SAndroid Build Coastguard Worker     char       *uri,			/* O - Device URI */
33*5e7646d2SAndroid Build Coastguard Worker     int        uri_size)		/* I - Size of buffer */
34*5e7646d2SAndroid Build Coastguard Worker {
35*5e7646d2SAndroid Build Coastguard Worker #ifdef __APPLE__ /* This function is a no-op */
36*5e7646d2SAndroid Build Coastguard Worker   (void)fd;
37*5e7646d2SAndroid Build Coastguard Worker   (void)device_id;
38*5e7646d2SAndroid Build Coastguard Worker   (void)device_id_size;
39*5e7646d2SAndroid Build Coastguard Worker   (void)make_model;
40*5e7646d2SAndroid Build Coastguard Worker   (void)make_model_size;
41*5e7646d2SAndroid Build Coastguard Worker   (void)scheme;
42*5e7646d2SAndroid Build Coastguard Worker   (void)uri;
43*5e7646d2SAndroid Build Coastguard Worker   (void)uri_size;
44*5e7646d2SAndroid Build Coastguard Worker 
45*5e7646d2SAndroid Build Coastguard Worker   return (-1);
46*5e7646d2SAndroid Build Coastguard Worker 
47*5e7646d2SAndroid Build Coastguard Worker #else /* Get the device ID from the specified file descriptor... */
48*5e7646d2SAndroid Build Coastguard Worker #  ifdef __linux
49*5e7646d2SAndroid Build Coastguard Worker   int	length;				/* Length of device ID info */
50*5e7646d2SAndroid Build Coastguard Worker   int   got_id = 0;
51*5e7646d2SAndroid Build Coastguard Worker #  endif /* __linux */
52*5e7646d2SAndroid Build Coastguard Worker #  if defined(__sun) && defined(ECPPIOC_GETDEVID)
53*5e7646d2SAndroid Build Coastguard Worker   struct ecpp_device_id did;		/* Device ID buffer */
54*5e7646d2SAndroid Build Coastguard Worker #  endif /* __sun && ECPPIOC_GETDEVID */
55*5e7646d2SAndroid Build Coastguard Worker   char	*ptr;				/* Pointer into device ID */
56*5e7646d2SAndroid Build Coastguard Worker 
57*5e7646d2SAndroid Build Coastguard Worker 
58*5e7646d2SAndroid Build Coastguard Worker  /*
59*5e7646d2SAndroid Build Coastguard Worker   * Range check input...
60*5e7646d2SAndroid Build Coastguard Worker   */
61*5e7646d2SAndroid Build Coastguard Worker 
62*5e7646d2SAndroid Build Coastguard Worker   if (!device_id || device_id_size < 32)
63*5e7646d2SAndroid Build Coastguard Worker   {
64*5e7646d2SAndroid Build Coastguard Worker     return (-1);
65*5e7646d2SAndroid Build Coastguard Worker   }
66*5e7646d2SAndroid Build Coastguard Worker 
67*5e7646d2SAndroid Build Coastguard Worker   if (make_model)
68*5e7646d2SAndroid Build Coastguard Worker     *make_model = '\0';
69*5e7646d2SAndroid Build Coastguard Worker 
70*5e7646d2SAndroid Build Coastguard Worker   if (fd >= 0)
71*5e7646d2SAndroid Build Coastguard Worker   {
72*5e7646d2SAndroid Build Coastguard Worker    /*
73*5e7646d2SAndroid Build Coastguard Worker     * Get the device ID string...
74*5e7646d2SAndroid Build Coastguard Worker     */
75*5e7646d2SAndroid Build Coastguard Worker 
76*5e7646d2SAndroid Build Coastguard Worker     *device_id = '\0';
77*5e7646d2SAndroid Build Coastguard Worker 
78*5e7646d2SAndroid Build Coastguard Worker #  ifdef __linux
79*5e7646d2SAndroid Build Coastguard Worker     if (ioctl(fd, LPIOC_GET_DEVICE_ID((unsigned)device_id_size), device_id))
80*5e7646d2SAndroid Build Coastguard Worker     {
81*5e7646d2SAndroid Build Coastguard Worker      /*
82*5e7646d2SAndroid Build Coastguard Worker       * Linux has to implement things differently for every device it seems.
83*5e7646d2SAndroid Build Coastguard Worker       * Since the standard parallel port driver does not provide a simple
84*5e7646d2SAndroid Build Coastguard Worker       * ioctl() to get the 1284 device ID, we have to open the "raw" parallel
85*5e7646d2SAndroid Build Coastguard Worker       * device corresponding to this port and do some negotiation trickery
86*5e7646d2SAndroid Build Coastguard Worker       * to get the current device ID.
87*5e7646d2SAndroid Build Coastguard Worker       */
88*5e7646d2SAndroid Build Coastguard Worker 
89*5e7646d2SAndroid Build Coastguard Worker       if (uri && !strncmp(uri, "parallel:/dev/", 14))
90*5e7646d2SAndroid Build Coastguard Worker       {
91*5e7646d2SAndroid Build Coastguard Worker 	char	devparport[16];		/* /dev/parportN */
92*5e7646d2SAndroid Build Coastguard Worker 	int	devparportfd,		/* File descriptor for raw device */
93*5e7646d2SAndroid Build Coastguard Worker 		  mode;			/* Port mode */
94*5e7646d2SAndroid Build Coastguard Worker 
95*5e7646d2SAndroid Build Coastguard Worker 
96*5e7646d2SAndroid Build Coastguard Worker        /*
97*5e7646d2SAndroid Build Coastguard Worker 	* Since the Linux parallel backend only supports 4 parallel port
98*5e7646d2SAndroid Build Coastguard Worker 	* devices, just grab the trailing digit and use it to construct a
99*5e7646d2SAndroid Build Coastguard Worker 	* /dev/parportN filename...
100*5e7646d2SAndroid Build Coastguard Worker 	*/
101*5e7646d2SAndroid Build Coastguard Worker 
102*5e7646d2SAndroid Build Coastguard Worker 	snprintf(devparport, sizeof(devparport), "/dev/parport%s",
103*5e7646d2SAndroid Build Coastguard Worker 		 uri + strlen(uri) - 1);
104*5e7646d2SAndroid Build Coastguard Worker 
105*5e7646d2SAndroid Build Coastguard Worker 	if ((devparportfd = open(devparport, O_RDWR | O_NOCTTY)) != -1)
106*5e7646d2SAndroid Build Coastguard Worker 	{
107*5e7646d2SAndroid Build Coastguard Worker 	 /*
108*5e7646d2SAndroid Build Coastguard Worker 	  * Claim the device...
109*5e7646d2SAndroid Build Coastguard Worker 	  */
110*5e7646d2SAndroid Build Coastguard Worker 
111*5e7646d2SAndroid Build Coastguard Worker 	  if (!ioctl(devparportfd, PPCLAIM))
112*5e7646d2SAndroid Build Coastguard Worker 	  {
113*5e7646d2SAndroid Build Coastguard Worker 	    fcntl(devparportfd, F_SETFL, fcntl(devparportfd, F_GETFL) | O_NONBLOCK);
114*5e7646d2SAndroid Build Coastguard Worker 
115*5e7646d2SAndroid Build Coastguard Worker 	    mode = IEEE1284_MODE_COMPAT;
116*5e7646d2SAndroid Build Coastguard Worker 
117*5e7646d2SAndroid Build Coastguard Worker 	    if (!ioctl(devparportfd, PPNEGOT, &mode))
118*5e7646d2SAndroid Build Coastguard Worker 	    {
119*5e7646d2SAndroid Build Coastguard Worker 	     /*
120*5e7646d2SAndroid Build Coastguard Worker 	      * Put the device into Device ID mode...
121*5e7646d2SAndroid Build Coastguard Worker 	      */
122*5e7646d2SAndroid Build Coastguard Worker 
123*5e7646d2SAndroid Build Coastguard Worker 	      mode = IEEE1284_MODE_NIBBLE | IEEE1284_DEVICEID;
124*5e7646d2SAndroid Build Coastguard Worker 
125*5e7646d2SAndroid Build Coastguard Worker 	      if (!ioctl(devparportfd, PPNEGOT, &mode))
126*5e7646d2SAndroid Build Coastguard Worker 	      {
127*5e7646d2SAndroid Build Coastguard Worker 	       /*
128*5e7646d2SAndroid Build Coastguard Worker 		* Read the 1284 device ID...
129*5e7646d2SAndroid Build Coastguard Worker 		*/
130*5e7646d2SAndroid Build Coastguard Worker 
131*5e7646d2SAndroid Build Coastguard Worker 		if ((length = read(devparportfd, device_id, (size_t)device_id_size - 1)) >= 2)
132*5e7646d2SAndroid Build Coastguard Worker 		{
133*5e7646d2SAndroid Build Coastguard Worker 		  device_id[length] = '\0';
134*5e7646d2SAndroid Build Coastguard Worker 		  got_id = 1;
135*5e7646d2SAndroid Build Coastguard Worker 		}
136*5e7646d2SAndroid Build Coastguard Worker 	      }
137*5e7646d2SAndroid Build Coastguard Worker 	    }
138*5e7646d2SAndroid Build Coastguard Worker 
139*5e7646d2SAndroid Build Coastguard Worker 	   /*
140*5e7646d2SAndroid Build Coastguard Worker 	    * Release the device...
141*5e7646d2SAndroid Build Coastguard Worker 	    */
142*5e7646d2SAndroid Build Coastguard Worker 
143*5e7646d2SAndroid Build Coastguard Worker 	    ioctl(devparportfd, PPRELEASE);
144*5e7646d2SAndroid Build Coastguard Worker 	  }
145*5e7646d2SAndroid Build Coastguard Worker 
146*5e7646d2SAndroid Build Coastguard Worker 	  close(devparportfd);
147*5e7646d2SAndroid Build Coastguard Worker 	}
148*5e7646d2SAndroid Build Coastguard Worker       }
149*5e7646d2SAndroid Build Coastguard Worker     }
150*5e7646d2SAndroid Build Coastguard Worker     else
151*5e7646d2SAndroid Build Coastguard Worker       got_id = 1;
152*5e7646d2SAndroid Build Coastguard Worker 
153*5e7646d2SAndroid Build Coastguard Worker     if (got_id)
154*5e7646d2SAndroid Build Coastguard Worker     {
155*5e7646d2SAndroid Build Coastguard Worker      /*
156*5e7646d2SAndroid Build Coastguard Worker       * Extract the length of the device ID string from the first two
157*5e7646d2SAndroid Build Coastguard Worker       * bytes.  The 1284 spec says the length is stored MSB first...
158*5e7646d2SAndroid Build Coastguard Worker       */
159*5e7646d2SAndroid Build Coastguard Worker 
160*5e7646d2SAndroid Build Coastguard Worker       length = (int)((((unsigned)device_id[0] & 255) << 8) + ((unsigned)device_id[1] & 255));
161*5e7646d2SAndroid Build Coastguard Worker 
162*5e7646d2SAndroid Build Coastguard Worker      /*
163*5e7646d2SAndroid Build Coastguard Worker       * Check to see if the length is larger than our buffer; first
164*5e7646d2SAndroid Build Coastguard Worker       * assume that the vendor incorrectly implemented the 1284 spec,
165*5e7646d2SAndroid Build Coastguard Worker       * and then limit the length to the size of our buffer...
166*5e7646d2SAndroid Build Coastguard Worker       */
167*5e7646d2SAndroid Build Coastguard Worker 
168*5e7646d2SAndroid Build Coastguard Worker       if (length > device_id_size || length < 14)
169*5e7646d2SAndroid Build Coastguard Worker 	length = (int)((((unsigned)device_id[1] & 255) << 8) + ((unsigned)device_id[0] & 255));
170*5e7646d2SAndroid Build Coastguard Worker 
171*5e7646d2SAndroid Build Coastguard Worker       if (length > device_id_size)
172*5e7646d2SAndroid Build Coastguard Worker 	length = device_id_size;
173*5e7646d2SAndroid Build Coastguard Worker 
174*5e7646d2SAndroid Build Coastguard Worker      /*
175*5e7646d2SAndroid Build Coastguard Worker       * The length field counts the number of bytes in the string
176*5e7646d2SAndroid Build Coastguard Worker       * including the length field itself (2 bytes).  The minimum
177*5e7646d2SAndroid Build Coastguard Worker       * length for a valid/usable device ID is 14 bytes:
178*5e7646d2SAndroid Build Coastguard Worker       *
179*5e7646d2SAndroid Build Coastguard Worker       *     <LENGTH> MFG: <MFG> ;MDL: <MDL> ;
180*5e7646d2SAndroid Build Coastguard Worker       *        2  +   4  +  1  +  5 +  1 +  1
181*5e7646d2SAndroid Build Coastguard Worker       */
182*5e7646d2SAndroid Build Coastguard Worker 
183*5e7646d2SAndroid Build Coastguard Worker       if (length < 14)
184*5e7646d2SAndroid Build Coastguard Worker       {
185*5e7646d2SAndroid Build Coastguard Worker        /*
186*5e7646d2SAndroid Build Coastguard Worker 	* Can't use this device ID, so don't try to copy it...
187*5e7646d2SAndroid Build Coastguard Worker 	*/
188*5e7646d2SAndroid Build Coastguard Worker 
189*5e7646d2SAndroid Build Coastguard Worker 	device_id[0] = '\0';
190*5e7646d2SAndroid Build Coastguard Worker 	got_id       = 0;
191*5e7646d2SAndroid Build Coastguard Worker       }
192*5e7646d2SAndroid Build Coastguard Worker       else
193*5e7646d2SAndroid Build Coastguard Worker       {
194*5e7646d2SAndroid Build Coastguard Worker        /*
195*5e7646d2SAndroid Build Coastguard Worker 	* Copy the device ID text to the beginning of the buffer and
196*5e7646d2SAndroid Build Coastguard Worker 	* nul-terminate.
197*5e7646d2SAndroid Build Coastguard Worker 	*/
198*5e7646d2SAndroid Build Coastguard Worker 
199*5e7646d2SAndroid Build Coastguard Worker 	length -= 2;
200*5e7646d2SAndroid Build Coastguard Worker 
201*5e7646d2SAndroid Build Coastguard Worker 	memmove(device_id, device_id + 2, (size_t)length);
202*5e7646d2SAndroid Build Coastguard Worker 	device_id[length] = '\0';
203*5e7646d2SAndroid Build Coastguard Worker       }
204*5e7646d2SAndroid Build Coastguard Worker     }
205*5e7646d2SAndroid Build Coastguard Worker     else
206*5e7646d2SAndroid Build Coastguard Worker     {
207*5e7646d2SAndroid Build Coastguard Worker       *device_id = '\0';
208*5e7646d2SAndroid Build Coastguard Worker     }
209*5e7646d2SAndroid Build Coastguard Worker #  endif /* __linux */
210*5e7646d2SAndroid Build Coastguard Worker 
211*5e7646d2SAndroid Build Coastguard Worker #   if defined(__sun) && defined(ECPPIOC_GETDEVID)
212*5e7646d2SAndroid Build Coastguard Worker     did.mode = ECPP_CENTRONICS;
213*5e7646d2SAndroid Build Coastguard Worker     did.len  = device_id_size - 1;
214*5e7646d2SAndroid Build Coastguard Worker     did.rlen = 0;
215*5e7646d2SAndroid Build Coastguard Worker     did.addr = device_id;
216*5e7646d2SAndroid Build Coastguard Worker 
217*5e7646d2SAndroid Build Coastguard Worker     if (!ioctl(fd, ECPPIOC_GETDEVID, &did))
218*5e7646d2SAndroid Build Coastguard Worker     {
219*5e7646d2SAndroid Build Coastguard Worker      /*
220*5e7646d2SAndroid Build Coastguard Worker       * Nul-terminate the device ID text.
221*5e7646d2SAndroid Build Coastguard Worker       */
222*5e7646d2SAndroid Build Coastguard Worker 
223*5e7646d2SAndroid Build Coastguard Worker       if (did.rlen < (device_id_size - 1))
224*5e7646d2SAndroid Build Coastguard Worker 	device_id[did.rlen] = '\0';
225*5e7646d2SAndroid Build Coastguard Worker       else
226*5e7646d2SAndroid Build Coastguard Worker 	device_id[device_id_size - 1] = '\0';
227*5e7646d2SAndroid Build Coastguard Worker     }
228*5e7646d2SAndroid Build Coastguard Worker #  endif /* __sun && ECPPIOC_GETDEVID */
229*5e7646d2SAndroid Build Coastguard Worker   }
230*5e7646d2SAndroid Build Coastguard Worker 
231*5e7646d2SAndroid Build Coastguard Worker  /*
232*5e7646d2SAndroid Build Coastguard Worker   * Check whether device ID is valid. Turn line breaks and tabs to spaces and
233*5e7646d2SAndroid Build Coastguard Worker   * reject device IDs with non-printable characters.
234*5e7646d2SAndroid Build Coastguard Worker   */
235*5e7646d2SAndroid Build Coastguard Worker 
236*5e7646d2SAndroid Build Coastguard Worker   for (ptr = device_id; *ptr; ptr ++)
237*5e7646d2SAndroid Build Coastguard Worker     if (_cups_isspace(*ptr))
238*5e7646d2SAndroid Build Coastguard Worker       *ptr = ' ';
239*5e7646d2SAndroid Build Coastguard Worker     else if ((*ptr & 255) < ' ' || *ptr == 127)
240*5e7646d2SAndroid Build Coastguard Worker     {
241*5e7646d2SAndroid Build Coastguard Worker       *device_id = '\0';
242*5e7646d2SAndroid Build Coastguard Worker       break;
243*5e7646d2SAndroid Build Coastguard Worker     }
244*5e7646d2SAndroid Build Coastguard Worker 
245*5e7646d2SAndroid Build Coastguard Worker   if (scheme && uri)
246*5e7646d2SAndroid Build Coastguard Worker     *uri = '\0';
247*5e7646d2SAndroid Build Coastguard Worker 
248*5e7646d2SAndroid Build Coastguard Worker   if (!*device_id)
249*5e7646d2SAndroid Build Coastguard Worker     return (-1);
250*5e7646d2SAndroid Build Coastguard Worker 
251*5e7646d2SAndroid Build Coastguard Worker  /*
252*5e7646d2SAndroid Build Coastguard Worker   * Get the make and model...
253*5e7646d2SAndroid Build Coastguard Worker   */
254*5e7646d2SAndroid Build Coastguard Worker 
255*5e7646d2SAndroid Build Coastguard Worker   if (make_model)
256*5e7646d2SAndroid Build Coastguard Worker     backendGetMakeModel(device_id, make_model, (size_t)make_model_size);
257*5e7646d2SAndroid Build Coastguard Worker 
258*5e7646d2SAndroid Build Coastguard Worker  /*
259*5e7646d2SAndroid Build Coastguard Worker   * Then generate a device URI...
260*5e7646d2SAndroid Build Coastguard Worker   */
261*5e7646d2SAndroid Build Coastguard Worker 
262*5e7646d2SAndroid Build Coastguard Worker   if (scheme && uri && uri_size > 32)
263*5e7646d2SAndroid Build Coastguard Worker   {
264*5e7646d2SAndroid Build Coastguard Worker     int			num_values;	/* Number of keys and values */
265*5e7646d2SAndroid Build Coastguard Worker     cups_option_t	*values;	/* Keys and values in device ID */
266*5e7646d2SAndroid Build Coastguard Worker     const char		*mfg,		/* Manufacturer */
267*5e7646d2SAndroid Build Coastguard Worker 			*mdl,		/* Model */
268*5e7646d2SAndroid Build Coastguard Worker 			*sern;		/* Serial number */
269*5e7646d2SAndroid Build Coastguard Worker     char		temp[256],	/* Temporary manufacturer string */
270*5e7646d2SAndroid Build Coastguard Worker 			*tempptr;	/* Pointer into temp string */
271*5e7646d2SAndroid Build Coastguard Worker 
272*5e7646d2SAndroid Build Coastguard Worker 
273*5e7646d2SAndroid Build Coastguard Worker    /*
274*5e7646d2SAndroid Build Coastguard Worker     * Get the make, model, and serial numbers...
275*5e7646d2SAndroid Build Coastguard Worker     */
276*5e7646d2SAndroid Build Coastguard Worker 
277*5e7646d2SAndroid Build Coastguard Worker     num_values = _cupsGet1284Values(device_id, &values);
278*5e7646d2SAndroid Build Coastguard Worker 
279*5e7646d2SAndroid Build Coastguard Worker     if ((sern = cupsGetOption("SERIALNUMBER", num_values, values)) == NULL)
280*5e7646d2SAndroid Build Coastguard Worker       if ((sern = cupsGetOption("SERN", num_values, values)) == NULL)
281*5e7646d2SAndroid Build Coastguard Worker         sern = cupsGetOption("SN", num_values, values);
282*5e7646d2SAndroid Build Coastguard Worker 
283*5e7646d2SAndroid Build Coastguard Worker     if ((mfg = cupsGetOption("MANUFACTURER", num_values, values)) == NULL)
284*5e7646d2SAndroid Build Coastguard Worker       mfg = cupsGetOption("MFG", num_values, values);
285*5e7646d2SAndroid Build Coastguard Worker 
286*5e7646d2SAndroid Build Coastguard Worker     if ((mdl = cupsGetOption("MODEL", num_values, values)) == NULL)
287*5e7646d2SAndroid Build Coastguard Worker       mdl = cupsGetOption("MDL", num_values, values);
288*5e7646d2SAndroid Build Coastguard Worker 
289*5e7646d2SAndroid Build Coastguard Worker     if (mfg)
290*5e7646d2SAndroid Build Coastguard Worker     {
291*5e7646d2SAndroid Build Coastguard Worker       if (!_cups_strcasecmp(mfg, "Hewlett-Packard"))
292*5e7646d2SAndroid Build Coastguard Worker         mfg = "HP";
293*5e7646d2SAndroid Build Coastguard Worker       else if (!_cups_strcasecmp(mfg, "Lexmark International"))
294*5e7646d2SAndroid Build Coastguard Worker         mfg = "Lexmark";
295*5e7646d2SAndroid Build Coastguard Worker     }
296*5e7646d2SAndroid Build Coastguard Worker     else
297*5e7646d2SAndroid Build Coastguard Worker     {
298*5e7646d2SAndroid Build Coastguard Worker       strlcpy(temp, make_model, sizeof(temp));
299*5e7646d2SAndroid Build Coastguard Worker 
300*5e7646d2SAndroid Build Coastguard Worker       if ((tempptr = strchr(temp, ' ')) != NULL)
301*5e7646d2SAndroid Build Coastguard Worker         *tempptr = '\0';
302*5e7646d2SAndroid Build Coastguard Worker 
303*5e7646d2SAndroid Build Coastguard Worker       mfg = temp;
304*5e7646d2SAndroid Build Coastguard Worker     }
305*5e7646d2SAndroid Build Coastguard Worker 
306*5e7646d2SAndroid Build Coastguard Worker     if (!mdl)
307*5e7646d2SAndroid Build Coastguard Worker       mdl = "";
308*5e7646d2SAndroid Build Coastguard Worker 
309*5e7646d2SAndroid Build Coastguard Worker     if (!_cups_strncasecmp(mdl, mfg, strlen(mfg)))
310*5e7646d2SAndroid Build Coastguard Worker     {
311*5e7646d2SAndroid Build Coastguard Worker       mdl += strlen(mfg);
312*5e7646d2SAndroid Build Coastguard Worker 
313*5e7646d2SAndroid Build Coastguard Worker       while (isspace(*mdl & 255))
314*5e7646d2SAndroid Build Coastguard Worker         mdl ++;
315*5e7646d2SAndroid Build Coastguard Worker     }
316*5e7646d2SAndroid Build Coastguard Worker 
317*5e7646d2SAndroid Build Coastguard Worker    /*
318*5e7646d2SAndroid Build Coastguard Worker     * Generate the device URI from the manufacturer, make_model, and
319*5e7646d2SAndroid Build Coastguard Worker     * serial number strings.
320*5e7646d2SAndroid Build Coastguard Worker     */
321*5e7646d2SAndroid Build Coastguard Worker 
322*5e7646d2SAndroid Build Coastguard Worker     httpAssembleURIf(HTTP_URI_CODING_ALL, uri, uri_size, scheme, NULL, mfg, 0,
323*5e7646d2SAndroid Build Coastguard Worker                      "/%s%s%s", mdl, sern ? "?serial=" : "", sern ? sern : "");
324*5e7646d2SAndroid Build Coastguard Worker 
325*5e7646d2SAndroid Build Coastguard Worker     cupsFreeOptions(num_values, values);
326*5e7646d2SAndroid Build Coastguard Worker   }
327*5e7646d2SAndroid Build Coastguard Worker 
328*5e7646d2SAndroid Build Coastguard Worker   return (0);
329*5e7646d2SAndroid Build Coastguard Worker #endif /* __APPLE__ */
330*5e7646d2SAndroid Build Coastguard Worker }
331*5e7646d2SAndroid Build Coastguard Worker 
332*5e7646d2SAndroid Build Coastguard Worker 
333*5e7646d2SAndroid Build Coastguard Worker /*
334*5e7646d2SAndroid Build Coastguard Worker  * 'backendGetMakeModel()' - Get the make and model string from the device ID.
335*5e7646d2SAndroid Build Coastguard Worker  */
336*5e7646d2SAndroid Build Coastguard Worker 
337*5e7646d2SAndroid Build Coastguard Worker int					/* O - 0 on success, -1 on failure */
backendGetMakeModel(const char * device_id,char * make_model,size_t make_model_size)338*5e7646d2SAndroid Build Coastguard Worker backendGetMakeModel(
339*5e7646d2SAndroid Build Coastguard Worker     const char *device_id,		/* O - 1284 device ID */
340*5e7646d2SAndroid Build Coastguard Worker     char       *make_model,		/* O - Make/model */
341*5e7646d2SAndroid Build Coastguard Worker     size_t     make_model_size)		/* I - Size of buffer */
342*5e7646d2SAndroid Build Coastguard Worker {
343*5e7646d2SAndroid Build Coastguard Worker   int		num_values;		/* Number of keys and values */
344*5e7646d2SAndroid Build Coastguard Worker   cups_option_t	*values;		/* Keys and values */
345*5e7646d2SAndroid Build Coastguard Worker   const char	*mfg,			/* Manufacturer string */
346*5e7646d2SAndroid Build Coastguard Worker 		*mdl,			/* Model string */
347*5e7646d2SAndroid Build Coastguard Worker 		*des;			/* Description string */
348*5e7646d2SAndroid Build Coastguard Worker 
349*5e7646d2SAndroid Build Coastguard Worker 
350*5e7646d2SAndroid Build Coastguard Worker  /*
351*5e7646d2SAndroid Build Coastguard Worker   * Range check input...
352*5e7646d2SAndroid Build Coastguard Worker   */
353*5e7646d2SAndroid Build Coastguard Worker 
354*5e7646d2SAndroid Build Coastguard Worker   if (!device_id || !*device_id || !make_model || make_model_size < 32)
355*5e7646d2SAndroid Build Coastguard Worker     return (-1);
356*5e7646d2SAndroid Build Coastguard Worker 
357*5e7646d2SAndroid Build Coastguard Worker   *make_model = '\0';
358*5e7646d2SAndroid Build Coastguard Worker 
359*5e7646d2SAndroid Build Coastguard Worker  /*
360*5e7646d2SAndroid Build Coastguard Worker   * Look for the description field...
361*5e7646d2SAndroid Build Coastguard Worker   */
362*5e7646d2SAndroid Build Coastguard Worker 
363*5e7646d2SAndroid Build Coastguard Worker   num_values = _cupsGet1284Values(device_id, &values);
364*5e7646d2SAndroid Build Coastguard Worker 
365*5e7646d2SAndroid Build Coastguard Worker   if ((mdl = cupsGetOption("MODEL", num_values, values)) == NULL)
366*5e7646d2SAndroid Build Coastguard Worker     mdl = cupsGetOption("MDL", num_values, values);
367*5e7646d2SAndroid Build Coastguard Worker 
368*5e7646d2SAndroid Build Coastguard Worker   if (mdl)
369*5e7646d2SAndroid Build Coastguard Worker   {
370*5e7646d2SAndroid Build Coastguard Worker    /*
371*5e7646d2SAndroid Build Coastguard Worker     * Build a make-model string from the manufacturer and model attributes...
372*5e7646d2SAndroid Build Coastguard Worker     */
373*5e7646d2SAndroid Build Coastguard Worker 
374*5e7646d2SAndroid Build Coastguard Worker     if ((mfg = cupsGetOption("MANUFACTURER", num_values, values)) == NULL)
375*5e7646d2SAndroid Build Coastguard Worker       mfg = cupsGetOption("MFG", num_values, values);
376*5e7646d2SAndroid Build Coastguard Worker 
377*5e7646d2SAndroid Build Coastguard Worker     if (!mfg || !_cups_strncasecmp(mdl, mfg, strlen(mfg)))
378*5e7646d2SAndroid Build Coastguard Worker     {
379*5e7646d2SAndroid Build Coastguard Worker      /*
380*5e7646d2SAndroid Build Coastguard Worker       * Just copy the model string, since it has the manufacturer...
381*5e7646d2SAndroid Build Coastguard Worker       */
382*5e7646d2SAndroid Build Coastguard Worker 
383*5e7646d2SAndroid Build Coastguard Worker       _ppdNormalizeMakeAndModel(mdl, make_model, make_model_size);
384*5e7646d2SAndroid Build Coastguard Worker     }
385*5e7646d2SAndroid Build Coastguard Worker     else
386*5e7646d2SAndroid Build Coastguard Worker     {
387*5e7646d2SAndroid Build Coastguard Worker      /*
388*5e7646d2SAndroid Build Coastguard Worker       * Concatenate the make and model...
389*5e7646d2SAndroid Build Coastguard Worker       */
390*5e7646d2SAndroid Build Coastguard Worker 
391*5e7646d2SAndroid Build Coastguard Worker       char	temp[1024];		/* Temporary make and model */
392*5e7646d2SAndroid Build Coastguard Worker 
393*5e7646d2SAndroid Build Coastguard Worker       snprintf(temp, sizeof(temp), "%s %s", mfg, mdl);
394*5e7646d2SAndroid Build Coastguard Worker 
395*5e7646d2SAndroid Build Coastguard Worker       _ppdNormalizeMakeAndModel(temp, make_model, make_model_size);
396*5e7646d2SAndroid Build Coastguard Worker     }
397*5e7646d2SAndroid Build Coastguard Worker   }
398*5e7646d2SAndroid Build Coastguard Worker   else if ((des = cupsGetOption("DESCRIPTION", num_values, values)) != NULL ||
399*5e7646d2SAndroid Build Coastguard Worker            (des = cupsGetOption("DES", num_values, values)) != NULL)
400*5e7646d2SAndroid Build Coastguard Worker   {
401*5e7646d2SAndroid Build Coastguard Worker    /*
402*5e7646d2SAndroid Build Coastguard Worker     * Make sure the description contains something useful, since some
403*5e7646d2SAndroid Build Coastguard Worker     * printer manufacturers (HP) apparently don't follow the standards
404*5e7646d2SAndroid Build Coastguard Worker     * they helped to define...
405*5e7646d2SAndroid Build Coastguard Worker     *
406*5e7646d2SAndroid Build Coastguard Worker     * Here we require the description to be 8 or more characters in length,
407*5e7646d2SAndroid Build Coastguard Worker     * containing at least one space and one letter.
408*5e7646d2SAndroid Build Coastguard Worker     */
409*5e7646d2SAndroid Build Coastguard Worker 
410*5e7646d2SAndroid Build Coastguard Worker     if (strlen(des) >= 8)
411*5e7646d2SAndroid Build Coastguard Worker     {
412*5e7646d2SAndroid Build Coastguard Worker       const char	*ptr;		/* Pointer into description */
413*5e7646d2SAndroid Build Coastguard Worker       int		letters,	/* Number of letters seen */
414*5e7646d2SAndroid Build Coastguard Worker 			spaces;		/* Number of spaces seen */
415*5e7646d2SAndroid Build Coastguard Worker 
416*5e7646d2SAndroid Build Coastguard Worker 
417*5e7646d2SAndroid Build Coastguard Worker       for (ptr = des, letters = 0, spaces = 0; *ptr; ptr ++)
418*5e7646d2SAndroid Build Coastguard Worker       {
419*5e7646d2SAndroid Build Coastguard Worker 	if (isspace(*ptr & 255))
420*5e7646d2SAndroid Build Coastguard Worker 	  spaces ++;
421*5e7646d2SAndroid Build Coastguard Worker 	else if (isalpha(*ptr & 255))
422*5e7646d2SAndroid Build Coastguard Worker 	  letters ++;
423*5e7646d2SAndroid Build Coastguard Worker 
424*5e7646d2SAndroid Build Coastguard Worker 	if (spaces && letters)
425*5e7646d2SAndroid Build Coastguard Worker 	  break;
426*5e7646d2SAndroid Build Coastguard Worker       }
427*5e7646d2SAndroid Build Coastguard Worker 
428*5e7646d2SAndroid Build Coastguard Worker       if (spaces && letters)
429*5e7646d2SAndroid Build Coastguard Worker         _ppdNormalizeMakeAndModel(des, make_model, make_model_size);
430*5e7646d2SAndroid Build Coastguard Worker     }
431*5e7646d2SAndroid Build Coastguard Worker   }
432*5e7646d2SAndroid Build Coastguard Worker 
433*5e7646d2SAndroid Build Coastguard Worker   if (!make_model[0])
434*5e7646d2SAndroid Build Coastguard Worker   {
435*5e7646d2SAndroid Build Coastguard Worker    /*
436*5e7646d2SAndroid Build Coastguard Worker     * Use "Unknown" as the printer make and model...
437*5e7646d2SAndroid Build Coastguard Worker     */
438*5e7646d2SAndroid Build Coastguard Worker 
439*5e7646d2SAndroid Build Coastguard Worker     strlcpy(make_model, "Unknown", make_model_size);
440*5e7646d2SAndroid Build Coastguard Worker   }
441*5e7646d2SAndroid Build Coastguard Worker 
442*5e7646d2SAndroid Build Coastguard Worker   cupsFreeOptions(num_values, values);
443*5e7646d2SAndroid Build Coastguard Worker 
444*5e7646d2SAndroid Build Coastguard Worker   return (0);
445*5e7646d2SAndroid Build Coastguard Worker }
446