1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
|
/*
* Portions Copyright 1998 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* Copyright (c) 1993, 1994 Regents of the University of Michigan.
* All rights reserved.
*
* Redistribution and use in source and binary forms are permitted
* provided that this notice is preserved and that due credit is given
* to the University of Michigan at Ann Arbor. The name of the University
* may not be used to endorse or promote products derived from this
* software without specific prior written permission. This software
* is provided ``as is'' without express or implied warranty.
*
* dsparse.c: parsing routines used by display template and search
* preference file library routines for LDAP clients.
*
* 7 March 1994 by Mark C Smith
*/
#include <stdio.h>
#include <ctype.h>
#include <string.h>
#ifdef MACOS
#include <stdlib.h>
#include "macos.h"
#else /* MACOS */
#ifdef DOS
#include <malloc.h>
#include "msdos.h"
#else /* DOS */
#include <sys/types.h>
#include <sys/file.h>
#include <stdlib.h>
#endif /* DOS */
#endif /* MACOS */
#include "lber.h"
#include "ldap.h"
#include "ldap-private.h"
#include "ldap-int.h"
#ifndef NEEDPROTOS
int next_line_tokens();
static ssize_t next_line();
static char *next_token();
#else /* !NEEDPROTOS */
int next_line_tokens( char **bufp, ssize_t *blenp, char ***toksp );
static ssize_t next_line( char **bufp, ssize_t *blenp, char **linep );
static char *next_token( char ** sp );
#endif /* !NEEDPROTOS */
int
next_line_tokens( char **bufp, ssize_t *blenp, char ***toksp )
{
char *p, *line, *token, **toks;
ssize_t rc;
int tokcnt;
*toksp = NULL;
if (( rc = next_line( bufp, blenp, &line )) <= 0 ) {
return( (int)rc );
}
if (( toks = (char **)calloc( (size_t) 1, sizeof( char * ))) == NULL ) {
free( line );
return( -1 );
}
tokcnt = 0;
p = line;
while (( token = next_token( &p )) != NULL ) {
if (( toks = (char **)realloc( toks, ( tokcnt + 2 ) *
sizeof( char * ))) == NULL ) {
free( (char *)toks );
free( line );
return( -1 );
}
toks[ tokcnt ] = token;
toks[ ++tokcnt ] = NULL;
}
if ( tokcnt == 1 && strcasecmp( toks[ 0 ], "END" ) == 0 ) {
tokcnt = 0;
free_strarray( toks );
toks = NULL;
}
free( line );
if ( tokcnt == 0 ) {
if ( toks != NULL ) {
free( (char *)toks );
}
} else {
*toksp = toks;
}
return( tokcnt );
}
static ssize_t
next_line( char **bufp, ssize_t *blenp, char **linep )
{
char *linestart, *line, *p;
ssize_t plen;
linestart = *bufp;
p = *bufp;
plen = *blenp;
do {
for ( linestart = p; plen > 0; ++p, --plen ) {
if ( *p == '\r' ) {
if ( plen > 1 && *(p+1) == '\n' ) {
++p;
--plen;
}
break;
}
if ( *p == '\n' ) {
if ( plen > 1 && *(p+1) == '\r' ) {
++p;
--plen;
}
break;
}
}
++p;
--plen;
} while ( plen > 0 && ( *linestart == '#' || linestart + 1 == p ));
*bufp = p;
*blenp = plen;
if ( plen <= 0 ) {
*linep = NULL;
return( 0 ); /* end of file */
}
if (( line = malloc( p - linestart )) == NULL ) {
*linep = NULL;
return( -1 ); /* fatal error */
}
(void) memcpy( line, linestart, p - linestart );
line[ p - linestart - 1 ] = '\0';
*linep = line;
return( strlen( line ));
}
static char *
next_token( char **sp )
{
int in_quote = 0;
char *p, *tokstart, *t;
if ( **sp == '\0' ) {
return( NULL );
}
p = *sp;
while ( isspace( *p )) { /* skip leading white space */
++p;
}
if ( *p == '\0' ) {
return( NULL );
}
if ( *p == '\"' ) {
in_quote = 1;
++p;
}
t = tokstart = p;
for ( ;; ) {
if ( *p == '\0' || ( isspace( *p ) && !in_quote )) {
if ( *p != '\0' ) {
++p;
}
*t++ = '\0'; /* end of token */
break;
}
if ( *p == '\"' ) {
in_quote = !in_quote;
++p;
} else {
*t++ = *p++;
}
}
*sp = p;
if ( t == tokstart ) {
return( NULL );
}
return( strdup( tokstart ));
}
|
