Issue #1258 - Part 1: Import mailnews, ldap, and mork from comm-esr52.9.1

1 files changed, 612 insertions, 0 deletions

diff --git a/ldap/c-sdk/libraries/libldif/line64.c b/ldap/c-sdk/libraries/libldif/line64.c
new file mode 100644
index 000000000..a819825cc
--- /dev/null
+++ b/ldap/c-sdk/libraries/libldif/line64.c
@@ -0,0 +1,612 @@
+/* ***** 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 );
+}