2 Unix SMB/CIFS implementation.
3 SMB backend for the Common UNIX Printing System ("CUPS")
4 Copyright 1999 by Easy Software Products
5 Copyright Andrew Tridgell 1994-1998
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
30 extern BOOL in_client; /* Boolean for client library */
37 static void list_devices(void);
38 static struct cli_state *smb_connect(char *, char *, char *, char *, char *);
39 static int smb_print(struct cli_state *, char *, FILE *);
43 * 'main()' - Main entry for SMB backend.
46 int /* O - Exit status */
47 main(int argc, /* I - Number of command-line arguments */
48 char *argv[]) /* I - Command-line arguments */
50 int i; /* Looping var */
51 int copies; /* Number of copies */
52 char uri[1024], /* URI */
53 *sep, /* Pointer to separator */
54 *username, /* Username */
55 *password, /* Password */
56 *workgroup, /* Workgroup */
57 *server, /* Server name */
58 *printer; /* Printer name */
59 FILE *fp; /* File to print */
60 int status=0; /* Status of LPD job */
61 struct cli_state *cli; /* SMB interface */
63 /* we expect the URI in argv[0]. Detect the case where it is in argv[1] and cope */
64 if (argc > 2 && strncmp(argv[0],"smb://", 6) && !strncmp(argv[1],"smb://", 6)) {
72 * NEW! In CUPS 1.1 the backends are run with no arguments to list the
73 * available devices. These can be devices served by this backend
74 * or any other backends (i.e. you can have an SNMP backend that
75 * is only used to enumerate the available network printers... :)
82 if (argc < 6 || argc > 7)
84 fprintf(stderr, "Usage: %s [DEVICE_URI] job-id user title copies options [file]\n",
86 fputs(" The DEVICE_URI environment variable can also contain the\n", stderr);
87 fputs(" destination printer:\n", stderr);
89 fputs(" smb://[username:password@][workgroup/]server/printer\n", stderr);
94 * If we have 7 arguments, print the file named on the command-line.
95 * Otherwise, print data from stdin...
101 * Print from Copy stdin to a temporary file...
107 else if ((fp = fopen(argv[6], "rb")) == NULL)
109 perror("ERROR: Unable to open print file");
113 copies = atoi(argv[4]);
119 if (strncmp(argv[0], "smb://", 6) == 0)
120 strncpy(uri, argv[0], sizeof(uri) - 1);
121 else if (getenv("DEVICE_URI") != NULL)
122 strncpy(uri, getenv("DEVICE_URI"), sizeof(uri) - 1);
125 fputs("ERROR: No device URI found in argv[0] or DEVICE_URI environment variable!\n", stderr);
129 uri[sizeof(uri) - 1] = '\0';
132 * Extract the destination from the URI...
135 if ((sep = strrchr_m(uri, '@')) != NULL)
143 * Extract password as needed...
146 if ((password = strchr_m(username, ':')) != NULL)
158 if ((sep = strchr_m(server, '/')) == NULL)
160 fputs("ERROR: Bad URI - need printer name!\n", stderr);
167 if ((sep = strchr_m(printer, '/')) != NULL)
170 * Convert to smb://[username:password@]workgroup/server/printer...
183 * Setup the SAMBA server state...
186 setup_logging("smbspool", True);
188 in_client = True; /* Make sure that we tell lp_load we are */
190 if (!lp_load(dyn_CONFIGFILE, True, False, False))
192 fprintf(stderr, "ERROR: Can't load %s - run testparm to debug it\n", dyn_CONFIGFILE);
196 if (workgroup == NULL)
197 workgroup = lp_workgroup();
203 if ((cli = smb_connect(workgroup, server, printer, username, password)) == NULL)
205 if (getenv("CLASS") == NULL)
207 perror("ERROR: Unable to connect to SAMBA host, will retry in 60 seconds...");
212 perror("ERROR: Unable to connect to SAMBA host, trying next printer...");
220 * Now that we are connected to the server, ignore SIGTERM so that we
221 * can finish out any page data the driver sends (e.g. to eject the
222 * current page... Only ignore SIGTERM if we are printing data from
223 * stdin (otherwise you can't cancel raw jobs...)
227 CatchSignal(SIGTERM, SIG_IGN);
233 for (i = 0; i < copies; i ++)
234 if ((status = smb_print(cli, argv[3] /* title */, fp)) != 0)
240 * Return the queue status...
248 * 'list_devices()' - List the available printers seen on the network...
255 * Eventually, search the local workgroup for available hosts and printers.
258 puts("network smb \"Unknown\" \"Windows Printer via SAMBA\"");
263 * 'smb_connect()' - Return a connection to a server.
266 static struct cli_state * /* O - SMB connection */
267 smb_connect(char *workgroup, /* I - Workgroup */
268 char *server, /* I - Server */
269 char *share, /* I - Printer */
270 char *username, /* I - Username */
271 char *password) /* I - Password */
273 struct cli_state *c; /* New connection */
274 struct nmb_name called, /* NMB name of server */
275 calling; /* NMB name of client */
276 struct in_addr ip; /* IP address of server */
277 pstring myname; /* Client name */
281 * Get the names and addresses of the client and server...
288 make_nmb_name(&calling, myname, 0x0);
289 make_nmb_name(&called, server, 0x20);
292 * Open a new connection to the SMB server...
295 if ((c = cli_initialise(NULL)) == NULL)
297 fputs("ERROR: cli_initialize() failed...\n", stderr);
301 if (!cli_connect(c, server, &ip))
303 fputs("ERROR: cli_connect() failed...\n", stderr);
307 if (!cli_session_request(c, &calling, &called))
309 fputs("ERROR: cli_session_request() failed...\n", stderr);
315 fputs("ERROR: SMB protocol negotiation failed\n", stderr);
321 * Do password stuff...
324 if (!cli_session_setup(c, username,
325 password, strlen(password),
326 password, strlen(password),
329 fprintf(stderr, "ERROR: SMB session setup failed: %s\n", cli_errstr(c));
333 if (!cli_send_tconX(c, share, "?????",
334 password, strlen(password)+1))
336 fprintf(stderr, "ERROR: SMB tree connect failed: %s\n", cli_errstr(c));
342 * Return the new connection...
350 * 'smb_print()' - Queue a job for printing using the SMB protocol.
353 static int /* O - 0 = success, non-0 = failure */
354 smb_print(struct cli_state *cli, /* I - SMB connection */
355 char *title, /* I - Title/job name */
356 FILE *fp) /* I - File to print */
358 int fnum; /* File number */
359 int nbytes, /* Number of bytes read */
360 tbytes; /* Total bytes read */
361 char buffer[8192], /* Buffer for copy */
362 *ptr; /* Pointer into tile */
366 * Sanitize the title...
369 for (ptr = title; *ptr; ptr ++)
370 if (!isalnum((int)*ptr) && !isspace((int)*ptr))
374 * Open the printer device...
377 if ((fnum = cli_open(cli, title, O_RDWR | O_CREAT | O_TRUNC, DENY_NONE)) == -1)
379 fprintf(stderr, "ERROR: %s opening remote file %s\n",
380 cli_errstr(cli), title);
385 * Copy the file to the printer...
393 while ((nbytes = fread(buffer, 1, sizeof(buffer), fp)) > 0)
395 if (cli_write(cli, fnum, 0, buffer, tbytes, nbytes) != nbytes)
397 fprintf(stderr, "ERROR: Error writing file: %s\n", cli_errstr(cli));
404 if (!cli_close(cli, fnum))
406 fprintf(stderr, "ERROR: %s closing remote file %s\n",
407 cli_errstr(cli), title);