xref: /illumos-gate/usr/src/lib/libsmbfs/smb/print.c (revision adee6784)
1 /*
2  * Copyright (c) 2000, Boris Popov
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  * 3. All advertising materials mentioning features or use of this software
14  *    must display the following acknowledgement:
15  *    This product includes software developed by Boris Popov.
16  * 4. Neither the name of the author nor the names of any co-contributors
17  *    may be used to endorse or promote products derived from this software
18  *    without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30  * SUCH DAMAGE.
31  *
32  * $Id: print.c,v 1.1.1.3 2001/07/06 22:38:43 conrad Exp $
33  */
34 
35 /*
36  * Copyright 2018 Nexenta Systems, Inc.  All rights reserved.
37  */
38 
39 #include <sys/param.h>
40 #include <sys/ioctl.h>
41 #include <sys/time.h>
42 #include <sys/mount.h>
43 #include <fcntl.h>
44 #include <ctype.h>
45 #include <errno.h>
46 #include <stdio.h>
47 #include <string.h>
48 #include <strings.h>
49 #include <stdlib.h>
50 #include <pwd.h>
51 #include <grp.h>
52 #include <unistd.h>
53 #include <libintl.h>
54 
55 #include <netsmb/smb.h>
56 #include <netsmb/smb_lib.h>
57 
58 #include "private.h"
59 
60 /*
61  * Replacing invalid characters in print job titles:
62  *
63  * The spec. is unclear about what characters are allowed in a
64  * print job title (used with NtCreate) so out of caution this
65  * makes sure the title contains none of the characters that
66  * are known to be illegal in a file name component.
67  */
68 static const char invalid_chars[] = SMB_FILENAME_INVALID_CHARS;
69 
70 int
smb_open_printer(struct smb_ctx * ctx,const char * title,int setuplen,int mode)71 smb_open_printer(struct smb_ctx *ctx, const char *title,
72 	int setuplen, int mode)
73 {
74 	smbioc_printjob_t ioc;
75 	char *p;
76 	int err, tlen;
77 	int new_fd = -1;
78 	int32_t from_fd;
79 
80 	tlen = strlen(title);
81 	if (tlen >= SMBIOC_MAX_NAME)
82 		return (EINVAL);
83 
84 	/*
85 	 * Will represent this SMB-level open as a new
86 	 * open device handle.  Get one, then duplicate
87 	 * the driver session and tree bindings.
88 	 */
89 	new_fd = smb_open_driver();
90 	if (new_fd < 0)
91 		return (errno);
92 	from_fd = ctx->ct_dev_fd;
93 	if (nsmb_ioctl(new_fd, SMBIOC_DUP_DEV, &from_fd) == -1) {
94 		err = errno;
95 		goto errout;
96 	}
97 
98 	/*
99 	 * Do the SMB-level open with the new dev handle.
100 	 */
101 	bzero(&ioc, sizeof (ioc));
102 	ioc.ioc_setuplen = setuplen;
103 	ioc.ioc_prmode = mode;
104 	strlcpy(ioc.ioc_title, title, SMBIOC_MAX_NAME);
105 
106 	/*
107 	 * The title is used in NtCreate so sanitize by
108 	 * replacing any illegal chars with spaces.
109 	 */
110 	for (p = ioc.ioc_title; *p != '\0'; p++)
111 		if (strchr(invalid_chars, *p) != NULL)
112 			*p = ' ';
113 
114 	if (nsmb_ioctl(new_fd, SMBIOC_PRINTJOB, &ioc) == -1) {
115 		err = errno;
116 		goto errout;
117 	}
118 
119 	return (new_fd);
120 
121 errout:
122 	nsmb_close(new_fd);
123 	errno = err;
124 	return (-1);
125 }
126