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-rw-r--r--ldap/c-sdk/libraries/libldif/line64.c612
1 files changed, 0 insertions, 612 deletions
diff --git a/ldap/c-sdk/libraries/libldif/line64.c b/ldap/c-sdk/libraries/libldif/line64.c
deleted file mode 100644
index a819825cc..000000000
--- a/ldap/c-sdk/libraries/libldif/line64.c
+++ /dev/null
@@ -1,612 +0,0 @@
-/* ***** BEGIN LICENSE BLOCK *****
- * Version: MPL 1.1/GPL 2.0/LGPL 2.1
- *
- * The contents of this file are subject to the Mozilla Public License Version
- * 1.1 (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- * http://www.mozilla.org/MPL/
- *
- * Software distributed under the License is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
- * for the specific language governing rights and limitations under the
- * License.
- *
- * The Original Code is Mozilla Communicator client code, released
- * March 31, 1998.
- *
- * The Initial Developer of the Original Code is
- * Netscape Communications Corporation.
- * Portions created by the Initial Developer are Copyright (C) 1998-1999
- * the Initial Developer. All Rights Reserved.
- *
- * Contributor(s):
- *
- * Alternatively, the contents of this file may be used under the terms of
- * either of the GNU General Public License Version 2 or later (the "GPL"),
- * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
- * in which case the provisions of the GPL or the LGPL are applicable instead
- * of those above. If you wish to allow use of your version of this file only
- * under the terms of either the GPL or the LGPL, and not to allow others to
- * use your version of this file under the terms of the MPL, indicate your
- * decision by deleting the provisions above and replace them with the notice
- * and other provisions required by the GPL or the LGPL. If you do not delete
- * the provisions above, a recipient may use your version of this file under
- * the terms of any one of the MPL, the GPL or the LGPL.
- *
- * ***** END LICENSE BLOCK ***** */
-
-/* line64.c - routines for dealing with the slapd line format */
-
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#include <ctype.h>
-#ifndef macintosh
-#include <sys/types.h>
-#endif
-#ifdef _WIN32
-#include <windows.h>
-#elif !defined( macintosh )
-#include <sys/socket.h>
-#endif
-#include "ldaplog.h"
-#include "ldif.h"
-
-#ifndef isascii
-#define isascii( c ) (!((c) & ~0177))
-#endif
-
-#define RIGHT2 0x03
-#define RIGHT4 0x0f
-#define CONTINUED_LINE_MARKER '\001'
-
-#define ISBLANK(c) (c == ' ' || c == '\t' || c == '\n') /* not "\r\v\f" */
-
-#define LDIF_OPT_ISSET( value, opt ) (((value) & (opt)) != 0 )
-
-static char nib2b64[0x40f] =
- "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
-
-static unsigned char b642nib[0x80] = {
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
- 0xff, 0xff, 0xff, 0x3e, 0xff, 0xff, 0xff, 0x3f,
- 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3a, 0x3b,
- 0x3c, 0x3d, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
- 0xff, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06,
- 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e,
- 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16,
- 0x17, 0x18, 0x19, 0xff, 0xff, 0xff, 0xff, 0xff,
- 0xff, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20,
- 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28,
- 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, 0x30,
- 0x31, 0x32, 0x33, 0xff, 0xff, 0xff, 0xff, 0xff
-};
-
-static int ldif_base64_encode_internal( unsigned char *src, char *dst, int srclen,
- int lenused, int wraplen );
-
-/*
- * ldif_parse_line - takes a line of the form "type:[:] value" and splits it
- * into components "type" and "value". if a double colon separates type from
- * value, then value is encoded in base 64, and parse_line un-decodes it
- * (in place) before returning.
- */
-
-int
-ldif_parse_line(
- char *line,
- char **type,
- char **value,
- int *vlen
-)
-{
- char *p, *s, *d;
- int b64;
-
- /* skip any leading space */
- while ( ISBLANK( *line ) ) {
- line++;
- }
- *type = line;
-
- for ( s = line; *s && *s != ':'; s++ )
- ; /* NULL */
- if ( *s == '\0' ) {
-
- /* Comment-out while we address calling libldif from ns-back-ldbm
- on NT. 1 of 3 */
-#if defined( _WIN32 )
- /*
-#endif
- LDAPDebug( LDAP_DEBUG_PARSE, "ldif_parse_line: missing ':' "
- "on line \"%s\"\n", line, 0, 0 );
-#if defined( _WIN32 )
- */
-#endif
- return( -1 );
- }
-
- /* trim any space between type and : */
- for ( p = s - 1; p > line && ISBLANK( *p ); p-- ) {
- *p = '\0';
- }
- *s++ = '\0';
-
- /* check for double : - indicates base 64 encoded value */
- if ( *s == ':' ) {
- s++;
- b64 = 1;
-
- /* single : - normally encoded value */
- } else {
- b64 = 0;
- }
-
- /* skip space between : and value */
- while ( ISBLANK( *s ) ) {
- s++;
- }
-
- /*
- * If no value is present, return a zero-length string for
- * *value, with *vlen set to zero.
- */
- if ( *s == '\0' ) {
- *value = s;
- *vlen = 0;
- return( 0 );
- }
-
- /* check for continued line markers that should be deleted */
- for ( p = s, d = s; *p; p++ ) {
- if ( *p != CONTINUED_LINE_MARKER )
- *d++ = *p;
- }
- *d = '\0';
-
- *value = s;
- if ( b64 ) {
- if (( *vlen = ldif_base64_decode( s, (unsigned char *)s ))
- < 0 ) {
- /* Comment-out while we address calling libldif from ns-back-ldbm
- on NT. 3 of 3 */
-#if defined( _WIN32 )
- /*
-#endif
- LDAPDebug( LDAP_DEBUG_ANY,
- "ldif_parse_line: invalid base 64 char on line \"%s\"\n",
- line, 0, 0 );
-#if defined( _WIN32 )
- */
-#endif
- return( -1 );
- }
- s[ *vlen ] = '\0';
- } else {
- *vlen = (int) (d - s);
- }
-
- return( 0 );
-}
-
-
-/*
- * ldif_base64_decode - take the BASE64-encoded characters in "src"
- * (a zero-terminated string) and decode them into the the buffer "dst".
- * "src" and "dst" can be the same if in-place decoding is desired.
- * "dst" must be large enough to hold the decoded octets. No more than
- * 3 * strlen( src ) / 4 bytes will be produced.
- * "dst" may contain zero octets anywhere within it, but it is not
- * zero-terminated by this function.
- *
- * The number of bytes copied to "dst" is returned if all goes well.
- * -1 is returned if the BASE64 encoding in "src" is invalid.
- */
-
-int
-ldif_base64_decode( char *src, unsigned char *dst )
-{
- char *p, *stop;
- unsigned char nib, *byte;
- int i, len;
-
- stop = strchr( src, '\0' );
- byte = dst;
- for ( p = src, len = 0; p < stop; p += 4, len += 3 ) {
- for ( i = 0; i < 4; i++ ) {
- if ( p[i] != '=' && (p[i] & 0x80 ||
- b642nib[ p[i] & 0x7f ] > 0x3f) ) {
- return( -1 );
- }
- }
-
- /* first digit */
- nib = b642nib[ p[0] & 0x7f ];
- byte[0] = nib << 2;
-
- /* second digit */
- nib = b642nib[ p[1] & 0x7f ];
- byte[0] |= nib >> 4;
-
- /* third digit */
- if ( p[2] == '=' ) {
- len += 1;
- break;
- }
- byte[1] = (nib & RIGHT4) << 4;
- nib = b642nib[ p[2] & 0x7f ];
- byte[1] |= nib >> 2;
-
- /* fourth digit */
- if ( p[3] == '=' ) {
- len += 2;
- break;
- }
- byte[2] = (nib & RIGHT2) << 6;
- nib = b642nib[ p[3] & 0x7f ];
- byte[2] |= nib;
-
- byte += 3;
- }
-
- return( len );
-}
-
-/*
- * ldif_getline - return the next "line" (minus newline) of input from a
- * string buffer of lines separated by newlines, terminated by \n\n
- * or \0. this routine handles continued lines, bundling them into
- * a single big line before returning. if a line begins with a white
- * space character, it is a continuation of the previous line. the white
- * space character (nb: only one char), and preceeding newline are changed
- * into CONTINUED_LINE_MARKER chars, to be deleted later by the
- * ldif_parse_line() routine above.
- *
- * it takes a pointer to a pointer to the buffer on the first call,
- * which it updates and must be supplied on subsequent calls.
- *
- * XXX need to update this function to also support <CR><LF> as EOL.
- * XXX supports <CR><LF> as of 07/29/1998 (richm)
- */
-
-char *
-ldif_getline( char **next )
-{
- char *l;
- char c;
- char *p;
-
- if ( *next == NULL || **next == '\n' || **next == '\0' ) {
- return( NULL );
- }
-
- while ( **next == '#' ) { /* skip comment lines */
- if (( *next = strchr( *next, '\n' )) == NULL ) {
- return( NULL );
- }
- (*next)++;
- }
-
- l = *next;
- while ( (*next = strchr( *next, '\n' )) != NULL ) {
- p = *next - 1; /* pointer to character previous to the newline */
- c = *(*next + 1); /* character after the newline */
- if ( ISBLANK( c ) && c != '\n' ) {
- /* DOS EOL is \r\n, so if the character before */
- /* the \n is \r, continue it too */
- if (*p == '\r')
- *p = CONTINUED_LINE_MARKER;
- **next = CONTINUED_LINE_MARKER;
- *(*next+1) = CONTINUED_LINE_MARKER;
- } else {
- /* DOS EOL is \r\n, so if the character before */
- /* the \n is \r, null it too */
- if (*p == '\r')
- *p = '\0';
- *(*next)++ = '\0';
- break;
- }
- (*next)++;
- }
-
- return( l );
-}
-
-
-#define LDIF_SAFE_CHAR( c ) ( (c) != '\r' && (c) != '\n' )
-#define LDIF_CONSERVATIVE_CHAR( c ) ( LDIF_SAFE_CHAR(c) && isascii((c)) \
- && ( isprint((c)) || (c) == '\t' ))
-#define LDIF_SAFE_INITCHAR( c ) ( LDIF_SAFE_CHAR(c) && (c) != ':' \
- && (c) != ' ' && (c) != '<' )
-#define LDIF_CONSERVATIVE_INITCHAR( c ) ( LDIF_SAFE_INITCHAR( c ) && \
- ! ( isascii((c)) && isspace((c))))
-#define LDIF_CONSERVATIVE_FINALCHAR( c ) ( (c) != ' ' )
-
-
-void
-ldif_put_type_and_value_with_options( char **out, char *t, char *val,
- int vlen, unsigned long options )
-{
- unsigned char *p, *byte, *stop;
- char *save;
- int b64, len, savelen, wraplen;
- len = 0;
-
- if ( LDIF_OPT_ISSET( options, LDIF_OPT_NOWRAP )) {
- wraplen = -1;
- } else {
- wraplen = LDIF_MAX_LINE_WIDTH;
- }
-
- /* put the type + ": " */
- for ( p = (unsigned char *) t; *p; p++, len++ ) {
- *(*out)++ = *p;
- }
- *(*out)++ = ':';
- len++;
- if ( LDIF_OPT_ISSET( options, LDIF_OPT_VALUE_IS_URL )) {
- *(*out)++ = '<'; /* add '<' for URLs */
- len++;
- }
- save = *out;
- savelen = len;
- b64 = 0;
-
- stop = (unsigned char *)val;
- if ( val && vlen > 0 ) {
- *(*out)++ = ' ';
- stop = (unsigned char *) (val + vlen);
- if ( LDIF_OPT_ISSET( options, LDIF_OPT_MINIMAL_ENCODING )) {
- if ( !LDIF_SAFE_INITCHAR( val[0] )) {
- b64 = 1;
- }
- } else {
- if ( !LDIF_CONSERVATIVE_INITCHAR( val[0] ) ||
- !LDIF_CONSERVATIVE_FINALCHAR( val[vlen-1] )) {
- b64 = 1;
- }
- }
- }
-
- if ( !b64 ) {
- for ( byte = (unsigned char *) val; byte < stop;
- byte++, len++ ) {
- if ( LDIF_OPT_ISSET( options,
- LDIF_OPT_MINIMAL_ENCODING )) {
- if ( !LDIF_SAFE_CHAR( *byte )) {
- b64 = 1;
- break;
- }
- } else if ( !LDIF_CONSERVATIVE_CHAR( *byte )) {
- b64 = 1;
- break;
- }
-
- if ( wraplen != -1 && len > wraplen ) {
- *(*out)++ = '\n';
- *(*out)++ = ' ';
- len = 1;
- }
- *(*out)++ = *byte;
- }
- }
-
- if ( b64 ) {
- *out = save;
- *(*out)++ = ':';
- *(*out)++ = ' ';
- len = ldif_base64_encode_internal( (unsigned char *)val, *out, vlen,
- savelen + 2, wraplen );
- *out += len;
- }
-
- *(*out)++ = '\n';
-}
-
-void
-ldif_put_type_and_value( char **out, char *t, char *val, int vlen )
-{
- ldif_put_type_and_value_with_options( out, t, val, vlen, 0 );
-}
-
-void
-ldif_put_type_and_value_nowrap( char **out, char *t, char *val, int vlen )
-{
- ldif_put_type_and_value_with_options( out, t, val, vlen, LDIF_OPT_NOWRAP );
-}
-
-/*
- * ldif_base64_encode_internal - encode "srclen" bytes in "src", place BASE64
- * encoded bytes in "dst" and return the length of the BASE64
- * encoded string. "dst" is also zero-terminated by this function.
- *
- * If "lenused" >= 0, newlines will be included in "dst" and "lenused" if
- * appropriate. "lenused" should be a count of characters already used
- * on the current line. The LDIF lines we create will contain at most
- * "wraplen" characters on each line, unless "wraplen" is -1, in which
- * case output line length is unlimited.
- *
- * If "lenused" < 0, no newlines will be included, and the LDIF_BASE64_LEN()
- * macro can be used to determine how many bytes will be placed in "dst."
- */
-
-static int
-ldif_base64_encode_internal( unsigned char *src, char *dst, int srclen, int lenused, int wraplen )
-{
- unsigned char *byte, *stop;
- unsigned char buf[3];
- char *out;
- unsigned long bits;
- int i, pad, len;
-
- len = 0;
- out = dst;
- stop = src + srclen;
-
- /* convert to base 64 (3 bytes => 4 base 64 digits) */
- for ( byte = src; byte < stop - 2; byte += 3 ) {
- bits = (byte[0] & 0xff) << 16;
- bits |= (byte[1] & 0xff) << 8;
- bits |= (byte[2] & 0xff);
-
- for ( i = 0; i < 4; i++, bits <<= 6 ) {
- if ( wraplen != -1 && lenused >= 0 && lenused++ > wraplen ) {
- *out++ = '\n';
- *out++ = ' ';
- lenused = 2;
- }
-
- /* get b64 digit from high order 6 bits */
- *out++ = nib2b64[ (bits & 0xfc0000L) >> 18 ];
- }
- }
-
- /* add padding if necessary */
- if ( byte < stop ) {
- for ( i = 0; byte + i < stop; i++ ) {
- buf[i] = byte[i];
- }
- for ( pad = 0; i < 3; i++, pad++ ) {
- buf[i] = '\0';
- }
- byte = buf;
- bits = (byte[0] & 0xff) << 16;
- bits |= (byte[1] & 0xff) << 8;
- bits |= (byte[2] & 0xff);
-
- for ( i = 0; i < 4; i++, bits <<= 6 ) {
- if ( wraplen != -1 && lenused >= 0 && lenused++ > wraplen ) {
- *out++ = '\n';
- *out++ = ' ';
- lenused = 2;
- }
-
- if (( i == 3 && pad > 0 ) || ( i == 2 && pad == 2 )) {
- /* Pad as appropriate */
- *out++ = '=';
- } else {
- /* get b64 digit from low order 6 bits */
- *out++ = nib2b64[ (bits & 0xfc0000L) >> 18 ];
- }
- }
- }
-
- *out = '\0';
-
- return( out - dst );
-}
-
-int
-ldif_base64_encode( unsigned char *src, char *dst, int srclen, int lenused )
-{
- return ldif_base64_encode_internal( src, dst, srclen, lenused, LDIF_MAX_LINE_WIDTH );
-}
-
-int
-ldif_base64_encode_nowrap( unsigned char *src, char *dst, int srclen, int lenused )
-{
- return ldif_base64_encode_internal( src, dst, srclen, lenused, -1 );
-}
-
-
-/*
- * return malloc'd, zero-terminated LDIF line
- */
-char *
-ldif_type_and_value_with_options( char *type, char *val, int vlen,
- unsigned long options )
-{
- char *buf, *p;
- int tlen;
-
- tlen = strlen( type );
- if (( buf = (char *)malloc( LDIF_SIZE_NEEDED( tlen, vlen ) + 1 )) !=
- NULL ) {
- p = buf;
- ldif_put_type_and_value_with_options( &p, type, val, vlen, options );
- *p = '\0';
- }
-
- return( buf );
-}
-
-char *
-ldif_type_and_value( char *type, char *val, int vlen )
-{
- return ldif_type_and_value_with_options( type, val, vlen, 0 );
-}
-
-char *
-ldif_type_and_value_nowrap( char *type, char *val, int vlen )
-{
- return ldif_type_and_value_with_options( type, val, vlen, LDIF_OPT_NOWRAP );
-}
-
-/*
- * ldif_get_entry - read the next ldif entry from the FILE referenced
- * by fp. return a pointer to a malloc'd, null-terminated buffer. also
- * returned is the last line number read, in *lineno.
- */
-char *
-ldif_get_entry( FILE *fp, int *lineno )
-{
- char line[BUFSIZ];
- char *buf;
- int max, cur, len, gotsome;
-
- buf = NULL;
- max = cur = gotsome = 0;
- while ( fgets( line, sizeof(line), fp ) != NULL ) {
- if ( lineno != NULL ) {
- (*lineno)++;
- }
- /* ldif entries are terminated by a \n on a line by itself */
- if ( line[0] == '\0' || line[0] == '\n'
-#if !defined( XP_WIN32 )
- || ( line[0] == '\r' && line[1] == '\n' ) /* DOS format */
-#endif
- ) {
- if ( gotsome ) {
- break;
- } else {
- continue;
- }
- } else if ( line[0] == '#' ) {
- continue;
- }
- gotsome = 1;
- len = strlen( line );
-#if !defined( XP_WIN32 )
- /* DOS format */
- if ( len > 0 && line[len-1] == '\r' ) {
- --len;
- line[len] = '\0';
- } else if ( len > 1 && line[len-2] == '\r' && line[len-1] == '\n' ) {
- --len;
- line[len-1] = line[len];
- line[len] = '\0';
- }
-#endif
- while ( cur + (len + 1) > max ) {
- if ( buf == NULL ) {
- max += BUFSIZ;
- buf = (char *) malloc( max );
- } else {
- max *= 2;
- buf = (char *) realloc( buf, max );
- }
- if ( buf == NULL ) {
- return( NULL );
- }
- }
-
- memcpy( buf + cur, line, len + 1 );
- cur += len;
- }
-
- return( buf );
-}