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-rw-r--r--source3/client/smbspool.c412
1 files changed, 412 insertions, 0 deletions
diff --git a/source3/client/smbspool.c b/source3/client/smbspool.c
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+++ b/source3/client/smbspool.c
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+/*
+ Unix SMB/CIFS implementation.
+ SMB backend for the Common UNIX Printing System ("CUPS")
+ Copyright 1999 by Easy Software Products
+ Copyright Andrew Tridgell 1994-1998
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#define NO_SYSLOG
+
+#include "includes.h"
+
+/*
+ * Globals...
+ */
+
+extern BOOL in_client; /* Boolean for client library */
+
+
+/*
+ * Local functions...
+ */
+
+static void list_devices(void);
+static struct cli_state *smb_connect(char *, char *, char *, char *, char *);
+static int smb_print(struct cli_state *, char *, FILE *);
+
+
+/*
+ * 'main()' - Main entry for SMB backend.
+ */
+
+ int /* O - Exit status */
+ main(int argc, /* I - Number of command-line arguments */
+ char *argv[]) /* I - Command-line arguments */
+{
+ int i; /* Looping var */
+ int copies; /* Number of copies */
+ char uri[1024], /* URI */
+ *sep, /* Pointer to separator */
+ *username, /* Username */
+ *password, /* Password */
+ *workgroup, /* Workgroup */
+ *server, /* Server name */
+ *printer; /* Printer name */
+ FILE *fp; /* File to print */
+ int status=0; /* Status of LPD job */
+ struct cli_state *cli; /* SMB interface */
+
+ /* we expect the URI in argv[0]. Detect the case where it is in argv[1] and cope */
+ if (argc > 2 && strncmp(argv[0],"smb://", 6) && !strncmp(argv[1],"smb://", 6)) {
+ argv++;
+ argc--;
+ }
+
+ if (argc == 1)
+ {
+ /*
+ * NEW! In CUPS 1.1 the backends are run with no arguments to list the
+ * available devices. These can be devices served by this backend
+ * or any other backends (i.e. you can have an SNMP backend that
+ * is only used to enumerate the available network printers... :)
+ */
+
+ list_devices();
+ return (0);
+ }
+
+ if (argc < 6 || argc > 7)
+ {
+ fprintf(stderr, "Usage: %s [DEVICE_URI] job-id user title copies options [file]\n",
+ argv[0]);
+ fputs(" The DEVICE_URI environment variable can also contain the\n", stderr);
+ fputs(" destination printer:\n", stderr);
+ fputs("\n", stderr);
+ fputs(" smb://[username:password@][workgroup/]server/printer\n", stderr);
+ return (1);
+ }
+
+ /*
+ * If we have 7 arguments, print the file named on the command-line.
+ * Otherwise, print data from stdin...
+ */
+
+ if (argc == 6)
+ {
+ /*
+ * Print from Copy stdin to a temporary file...
+ */
+
+ fp = stdin;
+ copies = 1;
+ }
+ else if ((fp = fopen(argv[6], "rb")) == NULL)
+ {
+ perror("ERROR: Unable to open print file");
+ return (1);
+ }
+ else
+ copies = atoi(argv[4]);
+
+ /*
+ * Find the URI...
+ */
+
+ if (strncmp(argv[0], "smb://", 6) == 0)
+ strncpy(uri, argv[0], sizeof(uri) - 1);
+ else if (getenv("DEVICE_URI") != NULL)
+ strncpy(uri, getenv("DEVICE_URI"), sizeof(uri) - 1);
+ else
+ {
+ fputs("ERROR: No device URI found in argv[0] or DEVICE_URI environment variable!\n", stderr);
+ return (1);
+ }
+
+ uri[sizeof(uri) - 1] = '\0';
+
+ /*
+ * Extract the destination from the URI...
+ */
+
+ if ((sep = strrchr_m(uri, '@')) != NULL)
+ {
+ username = uri + 6;
+ *sep++ = '\0';
+
+ server = sep;
+
+ /*
+ * Extract password as needed...
+ */
+
+ if ((password = strchr_m(username, ':')) != NULL)
+ *password++ = '\0';
+ else
+ password = "";
+ }
+ else
+ {
+ username = "";
+ password = "";
+ server = uri + 6;
+ }
+
+ if ((sep = strchr_m(server, '/')) == NULL)
+ {
+ fputs("ERROR: Bad URI - need printer name!\n", stderr);
+ return (1);
+ }
+
+ *sep++ = '\0';
+ printer = sep;
+
+ if ((sep = strchr_m(printer, '/')) != NULL)
+ {
+ /*
+ * Convert to smb://[username:password@]workgroup/server/printer...
+ */
+
+ *sep++ = '\0';
+
+ workgroup = server;
+ server = printer;
+ printer = sep;
+ }
+ else
+ workgroup = NULL;
+
+ /*
+ * Setup the SAMBA server state...
+ */
+
+ setup_logging("smbspool", True);
+
+ in_client = True; /* Make sure that we tell lp_load we are */
+
+ if (!lp_load(dyn_CONFIGFILE, True, False, False))
+ {
+ fprintf(stderr, "ERROR: Can't load %s - run testparm to debug it\n", dyn_CONFIGFILE);
+ return (1);
+ }
+
+ if (workgroup == NULL)
+ workgroup = lp_workgroup();
+
+ load_interfaces();
+
+ do
+ {
+ if ((cli = smb_connect(workgroup, server, printer, username, password)) == NULL)
+ {
+ if (getenv("CLASS") == NULL)
+ {
+ perror("ERROR: Unable to connect to SAMBA host, will retry in 60 seconds...");
+ sleep (60);
+ }
+ else
+ {
+ perror("ERROR: Unable to connect to SAMBA host, trying next printer...");
+ return (1);
+ }
+ }
+ }
+ while (cli == NULL);
+
+ /*
+ * Now that we are connected to the server, ignore SIGTERM so that we
+ * can finish out any page data the driver sends (e.g. to eject the
+ * current page... Only ignore SIGTERM if we are printing data from
+ * stdin (otherwise you can't cancel raw jobs...)
+ */
+
+ if (argc < 7)
+ CatchSignal(SIGTERM, SIG_IGN);
+
+ /*
+ * Queue the job...
+ */
+
+ for (i = 0; i < copies; i ++)
+ if ((status = smb_print(cli, argv[3] /* title */, fp)) != 0)
+ break;
+
+ cli_shutdown(cli);
+
+ /*
+ * Return the queue status...
+ */
+
+ return (status);
+}
+
+
+/*
+ * 'list_devices()' - List the available printers seen on the network...
+ */
+
+static void
+list_devices(void)
+{
+ /*
+ * Eventually, search the local workgroup for available hosts and printers.
+ */
+
+ puts("network smb \"Unknown\" \"Windows Printer via SAMBA\"");
+}
+
+
+/*
+ * 'smb_connect()' - Return a connection to a server.
+ */
+
+static struct cli_state * /* O - SMB connection */
+smb_connect(char *workgroup, /* I - Workgroup */
+ char *server, /* I - Server */
+ char *share, /* I - Printer */
+ char *username, /* I - Username */
+ char *password) /* I - Password */
+{
+ struct cli_state *c; /* New connection */
+ struct nmb_name called, /* NMB name of server */
+ calling; /* NMB name of client */
+ struct in_addr ip; /* IP address of server */
+ pstring myname; /* Client name */
+
+
+ /*
+ * Get the names and addresses of the client and server...
+ */
+
+ get_myname(myname);
+
+ zero_ip(&ip);
+
+ make_nmb_name(&calling, myname, 0x0);
+ make_nmb_name(&called, server, 0x20);
+
+ /*
+ * Open a new connection to the SMB server...
+ */
+
+ if ((c = cli_initialise(NULL)) == NULL)
+ {
+ fputs("ERROR: cli_initialize() failed...\n", stderr);
+ return (NULL);
+ }
+
+ if (!cli_connect(c, server, &ip))
+ {
+ fputs("ERROR: cli_connect() failed...\n", stderr);
+ return (NULL);
+ }
+
+ if (!cli_session_request(c, &calling, &called))
+ {
+ fputs("ERROR: cli_session_request() failed...\n", stderr);
+ return (NULL);
+ }
+
+ if (!cli_negprot(c))
+ {
+ fputs("ERROR: SMB protocol negotiation failed\n", stderr);
+ cli_shutdown(c);
+ return (NULL);
+ }
+
+ /*
+ * Do password stuff...
+ */
+
+ if (!cli_session_setup(c, username,
+ password, strlen(password),
+ password, strlen(password),
+ workgroup))
+ {
+ fprintf(stderr, "ERROR: SMB session setup failed: %s\n", cli_errstr(c));
+ return (NULL);
+ }
+
+ if (!cli_send_tconX(c, share, "?????",
+ password, strlen(password)+1))
+ {
+ fprintf(stderr, "ERROR: SMB tree connect failed: %s\n", cli_errstr(c));
+ cli_shutdown(c);
+ return (NULL);
+ }
+
+ /*
+ * Return the new connection...
+ */
+
+ return (c);
+}
+
+
+/*
+ * 'smb_print()' - Queue a job for printing using the SMB protocol.
+ */
+
+static int /* O - 0 = success, non-0 = failure */
+smb_print(struct cli_state *cli, /* I - SMB connection */
+ char *title, /* I - Title/job name */
+ FILE *fp) /* I - File to print */
+{
+ int fnum; /* File number */
+ int nbytes, /* Number of bytes read */
+ tbytes; /* Total bytes read */
+ char buffer[8192], /* Buffer for copy */
+ *ptr; /* Pointer into tile */
+
+
+ /*
+ * Sanitize the title...
+ */
+
+ for (ptr = title; *ptr; ptr ++)
+ if (!isalnum((int)*ptr) && !isspace((int)*ptr))
+ *ptr = '_';
+
+ /*
+ * Open the printer device...
+ */
+
+ if ((fnum = cli_open(cli, title, O_RDWR | O_CREAT | O_TRUNC, DENY_NONE)) == -1)
+ {
+ fprintf(stderr, "ERROR: %s opening remote file %s\n",
+ cli_errstr(cli), title);
+ return (1);
+ }
+
+ /*
+ * Copy the file to the printer...
+ */
+
+ if (fp != stdin)
+ rewind(fp);
+
+ tbytes = 0;
+
+ while ((nbytes = fread(buffer, 1, sizeof(buffer), fp)) > 0)
+ {
+ if (cli_write(cli, fnum, 0, buffer, tbytes, nbytes) != nbytes)
+ {
+ fprintf(stderr, "ERROR: Error writing file: %s\n", cli_errstr(cli));
+ break;
+ }
+
+ tbytes += nbytes;
+ }
+
+ if (!cli_close(cli, fnum))
+ {
+ fprintf(stderr, "ERROR: %s closing remote file %s\n",
+ cli_errstr(cli), title);
+ return (1);
+ }
+ else
+ return (0);
+}
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