xref: /titanic_41/usr/src/lib/libsmbfs/smb/ui-sun.c (revision 613a2f6ba31e891e3d947a356daf5e563d43c1ce)
1 /*
2  * Copyright (c) 2001 Apple Computer, Inc. All rights reserved.
3  *
4  * @APPLE_LICENSE_HEADER_START@
5  *
6  * "Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
7  * Reserved.  This file contains Original Code and/or Modifications of
8  * Original Code as defined in and that are subject to the Apple Public
9  * Source License Version 1.0 (the 'License').  You may not use this file
10  * except in compliance with the License.  Please obtain a copy of the
11  * License at http://www.apple.com/publicsource and read it before using
12  * this file.
13  *
14  * The Original Code and all software distributed under the License are
15  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
16  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
17  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
19  * License for the specific language governing rights and limitations
20  * under the License."
21  *
22  * @APPLE_LICENSE_HEADER_END@
23  */
24 
25 /*
26  * Routines for interacting with the user to get credentials
27  * (workgroup/domain, username, password, etc.)
28  */
29 
30 #include <stdlib.h>
31 #include <stdio.h>
32 #include <string.h>
33 #include <errno.h>
34 #include <unistd.h>
35 #include <libintl.h>
36 #include <ctype.h>
37 
38 #include <netsmb/smb_lib.h>
39 #include "private.h"
40 #include "ntlm.h"
41 
42 #if 0 /* not yet */
43 #define	MAXLINE 	127
44 static void
45 smb_tty_prompt(char *prmpt,
46 	char *buf, size_t buflen)
47 {
48 	char temp[MAXLINE+1];
49 	char *cp;
50 	int ch;
51 
52 	memset(temp, 0, sizeof (temp));
53 
54 	fprintf(stderr, "%s", prmpt);
55 	cp = temp;
56 	while ((ch = getc(stdin)) != EOF) {
57 		if (ch == '\n' || ch == '\r')
58 			break;
59 		if (isspace(ch) || iscntrl(ch))
60 			continue;
61 		*cp++ = ch;
62 		if (cp == &temp[MAXLINE])
63 			break;
64 	}
65 
66 	/* If input empty, accept default. */
67 	if (cp == temp)
68 		return;
69 
70 	/* Use input as new value. */
71 	strncpy(buf, temp, buflen);
72 }
73 #endif /* not yet */
74 
75 /*
76  * Prompt for a new password after auth. failure.
77  * (and maybe new user+domain, but not yet)
78  */
79 int
smb_get_authentication(struct smb_ctx * ctx)80 smb_get_authentication(struct smb_ctx *ctx)
81 {
82 	char *npw;
83 	int err;
84 
85 	/*
86 	 * If we're getting a password, we must be doing
87 	 * some kind of NTLM, possibly after a failure to
88 	 * authenticate using Kerberos.  Turn off krb5.
89 	 */
90 	ctx->ct_authflags &= ~SMB_AT_KRB5;
91 
92 	if (ctx->ct_flags & SMBCF_KCFOUND) {
93 		/* Tried a keychain hash and failed. */
94 		/* XXX: delete the KC entry? */
95 		ctx->ct_flags |= SMBCF_KCBAD;
96 	}
97 
98 	if (ctx->ct_flags & SMBCF_NOPWD)
99 		return (ENOTTY);
100 
101 	if (isatty(STDIN_FILENO)) {
102 
103 		/* Need command-line prompting. */
104 		npw = getpassphrase(dgettext(TEXT_DOMAIN, "Password:"));
105 		if (npw == NULL)
106 			return (EINTR);
107 		memset(ctx->ct_password, 0, sizeof (ctx->ct_password));
108 		strlcpy(ctx->ct_password, npw, sizeof (ctx->ct_password));
109 	} else {
110 
111 		/*
112 		 * XXX: Ask the user for help, possibly via
113 		 * GNOME dbus or some such... (todo).
114 		 */
115 		smb_error(dgettext(TEXT_DOMAIN,
116 	"Cannot prompt for a password when input is redirected."), 0);
117 		return (ENOTTY);
118 	}
119 
120 	/*
121 	 * Recompute the password hashes.
122 	 */
123 	if (ctx->ct_password[0]) {
124 		err = ntlm_compute_lm_hash(ctx->ct_lmhash, ctx->ct_password);
125 		if (err != 0)
126 			return (err);
127 		err = ntlm_compute_nt_hash(ctx->ct_nthash, ctx->ct_password);
128 		if (err != 0)
129 			return (err);
130 	}
131 
132 	return (0);
133 }
134 
135 /*ARGSUSED*/
136 int
smb_browse(struct smb_ctx * ctx,int anon)137 smb_browse(struct smb_ctx *ctx, int anon)
138 {
139 	/*
140 	 * Let user pick a share.
141 	 * Not supported.
142 	 */
143 	return (EINTR);
144 }
145