2 Unix SMB/Netbios implementation.
4 SMB backend for the Common UNIX Printing System ("CUPS")
5 Copyright 1999 by Easy Software Products
6 Copyright Andrew Tridgell 1994-1998
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
31 extern BOOL in_client; /* Boolean for client library */
38 static void list_devices(void);
39 static struct cli_state *smb_connect(char *, char *, char *, char *, char *);
40 static int smb_print(struct cli_state *, char *, FILE *);
44 * 'main()' - Main entry for SMB backend.
47 int /* O - Exit status */
48 main(int argc, /* I - Number of command-line arguments */
49 char *argv[]) /* I - Command-line arguments */
51 int i; /* Looping var */
52 int copies; /* Number of copies */
53 char uri[1024], /* URI */
54 *sep, /* Pointer to separator */
55 *username, /* Username */
56 *password, /* Password */
57 *workgroup, /* Workgroup */
58 *server, /* Server name */
59 *printer; /* Printer name */
60 FILE *fp; /* File to print */
61 int status=0; /* Status of LPD job */
62 struct cli_state *cli; /* SMB interface */
64 /* we expect the URI in argv[0]. Detect the case where it is in argv[1] and cope */
65 if (argc > 2 && strncmp(argv[0],"smb://", 6) && !strncmp(argv[1],"smb://", 6)) {
73 * NEW! In CUPS 1.1 the backends are run with no arguments to list the
74 * available devices. These can be devices served by this backend
75 * or any other backends (i.e. you can have an SNMP backend that
76 * is only used to enumerate the available network printers... :)
83 if (argc < 6 || argc > 7)
85 fprintf(stderr, "Usage: %s [DEVICE_URI] job-id user title copies options [file]\n",
87 fputs(" The DEVICE_URI environment variable can also contain the\n", stderr);
88 fputs(" destination printer:\n", stderr);
90 fputs(" smb://[username:password@][workgroup/]server/printer\n", stderr);
95 * If we have 7 arguments, print the file named on the command-line.
96 * Otherwise, print data from stdin...
102 * Print from Copy stdin to a temporary file...
108 else if ((fp = fopen(argv[6], "rb")) == NULL)
110 perror("ERROR: Unable to open print file");
114 copies = atoi(argv[4]);
120 if (strncmp(argv[0], "smb://", 6) == 0)
121 strncpy(uri, argv[0], sizeof(uri) - 1);
122 else if (getenv("DEVICE_URI") != NULL)
123 strncpy(uri, getenv("DEVICE_URI"), sizeof(uri) - 1);
126 fputs("ERROR: No device URI found in argv[0] or DEVICE_URI environment variable!\n", stderr);
130 uri[sizeof(uri) - 1] = '\0';
133 * Extract the destination from the URI...
136 if ((sep = strrchr_m(uri, '@')) != NULL)
144 * Extract password as needed...
147 if ((password = strchr_m(username, ':')) != NULL)
159 if ((sep = strchr_m(server, '/')) == NULL)
161 fputs("ERROR: Bad URI - need printer name!\n", stderr);
168 if ((sep = strchr_m(printer, '/')) != NULL)
171 * Convert to smb://[username:password@]workgroup/server/printer...
184 * Setup the SAMBA server state...
187 setup_logging("smbspool", True);
189 in_client = True; /* Make sure that we tell lp_load we are */
191 if (!lp_load(dyn_CONFIGFILE, True, False, False))
193 fprintf(stderr, "ERROR: Can't load %s - run testparm to debug it\n", dyn_CONFIGFILE);
197 if (workgroup == NULL)
198 workgroup = lp_workgroup();
204 if ((cli = smb_connect(workgroup, server, printer, username, password)) == NULL)
206 if (getenv("CLASS") == NULL)
208 perror("ERROR: Unable to connect to SAMBA host, will retry in 60 seconds...");
213 perror("ERROR: Unable to connect to SAMBA host, trying next printer...");
221 * Now that we are connected to the server, ignore SIGTERM so that we
222 * can finish out any page data the driver sends (e.g. to eject the
223 * current page... Only ignore SIGTERM if we are printing data from
224 * stdin (otherwise you can't cancel raw jobs...)
228 CatchSignal(SIGTERM, SIG_IGN);
234 for (i = 0; i < copies; i ++)
235 if ((status = smb_print(cli, argv[3] /* title */, fp)) != 0)
241 * Return the queue status...
249 * 'list_devices()' - List the available printers seen on the network...
256 * Eventually, search the local workgroup for available hosts and printers.
259 puts("network smb \"Unknown\" \"Windows Printer via SAMBA\"");
264 * 'smb_connect()' - Return a connection to a server.
267 static struct cli_state * /* O - SMB connection */
268 smb_connect(char *workgroup, /* I - Workgroup */
269 char *server, /* I - Server */
270 char *share, /* I - Printer */
271 char *username, /* I - Username */
272 char *password) /* I - Password */
274 struct cli_state *c; /* New connection */
275 struct nmb_name called, /* NMB name of server */
276 calling; /* NMB name of client */
277 struct in_addr ip; /* IP address of server */
278 pstring myname; /* Client name */
282 * Get the names and addresses of the client and server...
289 make_nmb_name(&calling, myname, 0x0);
290 make_nmb_name(&called, server, 0x20);
293 * Open a new connection to the SMB server...
296 if ((c = cli_initialise(NULL)) == NULL)
298 fputs("ERROR: cli_initialize() failed...\n", stderr);
302 if (!cli_connect(c, server, &ip))
304 fputs("ERROR: cli_connect() failed...\n", stderr);
308 if (!cli_session_request(c, &calling, &called))
310 fputs("ERROR: cli_session_request() failed...\n", stderr);
316 fputs("ERROR: SMB protocol negotiation failed\n", stderr);
322 * Do password stuff...
325 if (!cli_session_setup(c, username,
326 password, strlen(password),
327 password, strlen(password),
330 fprintf(stderr, "ERROR: SMB session setup failed: %s\n", cli_errstr(c));
334 if (!cli_send_tconX(c, share, "?????",
335 password, strlen(password)+1))
337 fprintf(stderr, "ERROR: SMB tree connect failed: %s\n", cli_errstr(c));
343 * Return the new connection...
351 * 'smb_print()' - Queue a job for printing using the SMB protocol.
354 static int /* O - 0 = success, non-0 = failure */
355 smb_print(struct cli_state *cli, /* I - SMB connection */
356 char *title, /* I - Title/job name */
357 FILE *fp) /* I - File to print */
359 int fnum; /* File number */
360 int nbytes, /* Number of bytes read */
361 tbytes; /* Total bytes read */
362 char buffer[8192], /* Buffer for copy */
363 *ptr; /* Pointer into tile */
367 * Sanitize the title...
370 for (ptr = title; *ptr; ptr ++)
371 if (!isalnum((int)*ptr) && !isspace((int)*ptr))
375 * Open the printer device...
378 if ((fnum = cli_open(cli, title, O_RDWR | O_CREAT | O_TRUNC, DENY_NONE)) == -1)
380 fprintf(stderr, "ERROR: %s opening remote file %s\n",
381 cli_errstr(cli), title);
386 * Copy the file to the printer...
394 while ((nbytes = fread(buffer, 1, sizeof(buffer), fp)) > 0)
396 if (cli_write(cli, fnum, 0, buffer, tbytes, nbytes) != nbytes)
398 fprintf(stderr, "ERROR: Error writing file: %s\n", cli_errstr(cli));
405 if (!cli_close(cli, fnum))
407 fprintf(stderr, "ERROR: %s closing remote file %s\n",
408 cli_errstr(cli), title);