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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 16:35:32 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 16:35:32 +0000
commit5ea77a75dd2d2158401331879f3c8f47940a732c (patch)
treed89dc06e9f4850a900f161e25f84e922c4f86cc8 /servers/slapd/back-ldif
parentInitial commit. (diff)
downloadopenldap-upstream.tar.xz
openldap-upstream.zip
Adding upstream version 2.5.13+dfsg.upstream/2.5.13+dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'servers/slapd/back-ldif')
-rw-r--r--servers/slapd/back-ldif/Makefile.in41
-rw-r--r--servers/slapd/back-ldif/ldif.c2054
2 files changed, 2095 insertions, 0 deletions
diff --git a/servers/slapd/back-ldif/Makefile.in b/servers/slapd/back-ldif/Makefile.in
new file mode 100644
index 0000000..50f2553
--- /dev/null
+++ b/servers/slapd/back-ldif/Makefile.in
@@ -0,0 +1,41 @@
+# Makefile.in for back-ldif
+# $OpenLDAP$
+## This work is part of OpenLDAP Software <http://www.openldap.org/>.
+##
+## Copyright 2005-2022 The OpenLDAP Foundation.
+## All rights reserved.
+##
+## Redistribution and use in source and binary forms, with or without
+## modification, are permitted only as authorized by the OpenLDAP
+## Public License.
+##
+## A copy of this license is available in the file LICENSE in the
+## top-level directory of the distribution or, alternatively, at
+## <http://www.OpenLDAP.org/license.html>.
+
+SRCS = ldif.c
+OBJS = ldif.lo
+
+LDAP_INCDIR= ../../../include
+LDAP_LIBDIR= ../../../libraries
+
+BUILD_OPT = "--enable-ldif"
+BUILD_MOD = yes
+
+mod_DEFS = -DSLAPD_IMPORT
+MOD_DEFS = $(yes_DEFS)
+
+shared_LDAP_LIBS = $(LDAP_LIBLDAP_LA) $(LDAP_LIBLBER_LA)
+NT_LINK_LIBS = -L.. -lslapd $(@BUILD_LIBS_DYNAMIC@_LDAP_LIBS)
+UNIX_LINK_LIBS = $(@BUILD_LIBS_DYNAMIC@_LDAP_LIBS)
+
+LIBBASE = back_ldif
+
+XINCPATH = -I.. -I$(srcdir)/..
+XDEFS = $(MODULES_CPPFLAGS)
+
+all-local-lib: ../.backend
+
+../.backend: lib$(LIBBASE).a
+ @touch $@
+
diff --git a/servers/slapd/back-ldif/ldif.c b/servers/slapd/back-ldif/ldif.c
new file mode 100644
index 0000000..bca2472
--- /dev/null
+++ b/servers/slapd/back-ldif/ldif.c
@@ -0,0 +1,2054 @@
+/* ldif.c - the ldif backend */
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 2005-2022 The OpenLDAP Foundation.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted only as authorized by the OpenLDAP
+ * Public License.
+ *
+ * A copy of this license is available in the file LICENSE in the
+ * top-level directory of the distribution or, alternatively, at
+ * <http://www.OpenLDAP.org/license.html>.
+ */
+/* ACKNOWLEDGEMENTS:
+ * This work was originally developed by Eric Stokes for inclusion
+ * in OpenLDAP Software.
+ */
+
+#include "portable.h"
+#include <stdio.h>
+#include <ac/string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <ac/dirent.h>
+#include <fcntl.h>
+#include <ac/errno.h>
+#include <ac/unistd.h>
+#include "slap.h"
+#include "lutil.h"
+#include "slap-config.h"
+
+struct ldif_tool {
+ Entry **entries; /* collected by bi_tool_entry_first() */
+ ID elen; /* length of entries[] array */
+ ID ecount; /* number of entries */
+ ID ecurrent; /* bi_tool_entry_next() position */
+# define ENTRY_BUFF_INCREMENT 500 /* initial entries[] length */
+ struct berval *tl_base;
+ int tl_scope;
+ Filter *tl_filter;
+};
+
+/* Per-database data */
+struct ldif_info {
+ struct berval li_base_path; /* database directory */
+ struct ldif_tool li_tool; /* for slap tools */
+ /*
+ * Read-only LDAP requests readlock li_rdwr for filesystem input.
+ * Update requests first lock li_modop_mutex for filesystem I/O,
+ * and then writelock li_rdwr as well for filesystem output.
+ * This allows update requests to do callbacks that acquire
+ * read locks, e.g. access controls that inspect entries.
+ * (An alternative would be recursive read/write locks.)
+ */
+ ldap_pvt_thread_mutex_t li_modop_mutex; /* serialize update requests */
+ ldap_pvt_thread_rdwr_t li_rdwr; /* no other I/O when writing */
+};
+
+static int write_data( int fd, const char *spew, int len, int *save_errno );
+
+#ifdef _WIN32
+#define mkdir(a,b) mkdir(a)
+#define move_file(from, to) (!MoveFileEx(from, to, MOVEFILE_REPLACE_EXISTING))
+#else
+#define move_file(from, to) rename(from, to)
+#endif
+#define move_dir(from, to) rename(from, to)
+
+
+#define LDIF ".ldif"
+#define LDIF_FILETYPE_SEP '.' /* LDIF[0] */
+
+/*
+ * Unsafe/translated characters in the filesystem.
+ *
+ * LDIF_UNSAFE_CHAR(c) returns true if the character c is not to be used
+ * in relative filenames, except it should accept '\\', '{' and '}' even
+ * if unsafe. The value should be a constant expression.
+ *
+ * If '\\' is unsafe, #define LDIF_ESCAPE_CHAR as a safe character.
+ * If '{' and '}' are unsafe, #define IX_FSL/IX_FSR as safe characters.
+ * (Not digits, '-' or '+'. IX_FSL == IX_FSR is allowed.)
+ *
+ * Characters are escaped as LDIF_ESCAPE_CHAR followed by two hex digits,
+ * except '\\' is replaced with LDIF_ESCAPE_CHAR and {} with IX_FS[LR].
+ * Also some LDIF special chars are hex-escaped.
+ *
+ * Thus an LDIF filename is a valid normalized RDN (or suffix DN)
+ * followed by ".ldif", except with '\\' replaced with LDIF_ESCAPE_CHAR.
+ */
+
+#ifndef _WIN32
+
+/*
+ * Unix/MacOSX version. ':' vs '/' can cause confusion on MacOSX so we
+ * escape both. We escape them on Unix so both OS variants get the same
+ * filenames.
+ */
+#define LDIF_ESCAPE_CHAR '\\'
+#define LDIF_UNSAFE_CHAR(c) ((c) == '/' || (c) == ':')
+
+#else /* _WIN32 */
+
+/* Windows version - Microsoft's list of unsafe characters, except '\\' */
+#define LDIF_ESCAPE_CHAR '^' /* Not '\\' (unsafe on Windows) */
+#define LDIF_UNSAFE_CHAR(c) \
+ ((c) == '/' || (c) == ':' || \
+ (c) == '<' || (c) == '>' || (c) == '"' || \
+ (c) == '|' || (c) == '?' || (c) == '*')
+
+#endif /* !_WIN32 */
+
+/*
+ * Left and Right "{num}" prefix to ordered RDNs ("olcDatabase={1}mdb").
+ * IX_DN* are for LDAP RDNs, IX_FS* for their .ldif filenames.
+ */
+#define IX_DNL '{'
+#define IX_DNR '}'
+#ifndef IX_FSL
+#define IX_FSL IX_DNL
+#define IX_FSR IX_DNR
+#endif
+
+/*
+ * Test for unsafe chars, as well as chars handled specially by back-ldif:
+ * - If the escape char is not '\\', it must itself be escaped. Otherwise
+ * '\\' and the escape char would map to the same character.
+ * - Escape the '.' in ".ldif", so the directory for an RDN that actually
+ * ends with ".ldif" can not conflict with a file of the same name. And
+ * since some OSes/programs choke on multiple '.'s, escape all of them.
+ * - If '{' and '}' are translated to some other characters, those
+ * characters must in turn be escaped when they occur in an RDN.
+ */
+#ifndef LDIF_NEED_ESCAPE
+#define LDIF_NEED_ESCAPE(c) \
+ ((LDIF_UNSAFE_CHAR(c)) || \
+ LDIF_MAYBE_UNSAFE(c, LDIF_ESCAPE_CHAR) || \
+ LDIF_MAYBE_UNSAFE(c, LDIF_FILETYPE_SEP) || \
+ LDIF_MAYBE_UNSAFE(c, IX_FSL) || \
+ (IX_FSR != IX_FSL && LDIF_MAYBE_UNSAFE(c, IX_FSR)))
+#endif
+/*
+ * Helper macro for LDIF_NEED_ESCAPE(): Treat character x as unsafe if
+ * back-ldif does not already treat is specially.
+ */
+#define LDIF_MAYBE_UNSAFE(c, x) \
+ (!(LDIF_UNSAFE_CHAR(x) || (x) == '\\' || (x) == IX_DNL || (x) == IX_DNR) \
+ && (c) == (x))
+
+/* Collect other "safe char" tests here, until someone needs a fix. */
+enum {
+ eq_unsafe = LDIF_UNSAFE_CHAR('='),
+ safe_filenames = STRLENOF("" LDAP_DIRSEP "") == 1 && !(
+ LDIF_UNSAFE_CHAR('-') || /* for "{-1}frontend" in bconfig.c */
+ LDIF_UNSAFE_CHAR(LDIF_ESCAPE_CHAR) ||
+ LDIF_UNSAFE_CHAR(IX_FSL) || LDIF_UNSAFE_CHAR(IX_FSR))
+};
+/* Sanity check: Try to force a compilation error if !safe_filenames */
+typedef struct {
+ int assert_safe_filenames : safe_filenames ? 2 : -2;
+} assert_safe_filenames[safe_filenames ? 2 : -2];
+
+
+static ConfigTable ldifcfg[] = {
+ { "directory", "dir", 2, 2, 0, ARG_BERVAL|ARG_OFFSET,
+ (void *)offsetof(struct ldif_info, li_base_path),
+ "( OLcfgDbAt:0.1 NAME 'olcDbDirectory' "
+ "DESC 'Directory for database content' "
+ "EQUALITY caseIgnoreMatch "
+ "SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
+ { NULL, NULL, 0, 0, 0, ARG_IGNORED,
+ NULL, NULL, NULL, NULL }
+};
+
+static ConfigOCs ldifocs[] = {
+ { "( OLcfgDbOc:2.1 "
+ "NAME 'olcLdifConfig' "
+ "DESC 'LDIF backend configuration' "
+ "SUP olcDatabaseConfig "
+ "MUST ( olcDbDirectory ) )", Cft_Database, ldifcfg },
+ { NULL, 0, NULL }
+};
+
+
+/*
+ * Handle file/directory names.
+ */
+
+/* Set *res = LDIF filename path for the normalized DN */
+static int
+ndn2path( Operation *op, struct berval *dn, struct berval *res, int empty_ok )
+{
+ BackendDB *be = op->o_bd;
+ struct ldif_info *li = (struct ldif_info *) be->be_private;
+ struct berval *suffixdn = &be->be_nsuffix[0];
+ const char *start, *end, *next, *p;
+ char ch, *ptr;
+ ber_len_t len;
+ static const char hex[] = "0123456789ABCDEF";
+
+ assert( dn != NULL );
+ assert( !BER_BVISNULL( dn ) );
+ assert( suffixdn != NULL );
+ assert( !BER_BVISNULL( suffixdn ) );
+ assert( dnIsSuffix( dn, suffixdn ) );
+
+ if ( dn->bv_len == 0 && !empty_ok ) {
+ return LDAP_UNWILLING_TO_PERFORM;
+ }
+
+ start = dn->bv_val;
+ end = start + dn->bv_len;
+
+ /* Room for dir, dirsep, dn, LDIF, "\hexpair"-escaping of unsafe chars */
+ len = li->li_base_path.bv_len + dn->bv_len + (1 + STRLENOF( LDIF ));
+ for ( p = start; p < end; ) {
+ ch = *p++;
+ if ( LDIF_NEED_ESCAPE( ch ) )
+ len += 2;
+ }
+ res->bv_val = ch_malloc( len + 1 );
+
+ ptr = lutil_strcopy( res->bv_val, li->li_base_path.bv_val );
+ for ( next = end - suffixdn->bv_len; end > start; end = next ) {
+ /* Set p = start of DN component, next = &',' or start of DN */
+ while ( (p = next) > start ) {
+ --next;
+ if ( DN_SEPARATOR( *next ) )
+ break;
+ }
+ /* Append <dirsep> <p..end-1: RDN or database-suffix> */
+ for ( *ptr++ = LDAP_DIRSEP[0]; p < end; *ptr++ = ch ) {
+ ch = *p++;
+ if ( LDIF_ESCAPE_CHAR != '\\' && ch == '\\' ) {
+ ch = LDIF_ESCAPE_CHAR;
+ } else if ( IX_FSL != IX_DNL && ch == IX_DNL ) {
+ ch = IX_FSL;
+ } else if ( IX_FSR != IX_DNR && ch == IX_DNR ) {
+ ch = IX_FSR;
+ } else if ( LDIF_NEED_ESCAPE( ch ) ) {
+ *ptr++ = LDIF_ESCAPE_CHAR;
+ *ptr++ = hex[(ch & 0xFFU) >> 4];
+ ch = hex[ch & 0x0FU];
+ }
+ }
+ }
+ ptr = lutil_strcopy( ptr, LDIF );
+ res->bv_len = ptr - res->bv_val;
+
+ assert( res->bv_len <= len );
+
+ return LDAP_SUCCESS;
+}
+
+/*
+ * *dest = dupbv(<dir + LDAP_DIRSEP>), plus room for <more>-sized filename.
+ * Return pointer past the dirname.
+ */
+static char *
+fullpath_alloc( struct berval *dest, const struct berval *dir, ber_len_t more )
+{
+ char *s = SLAP_MALLOC( dir->bv_len + more + 2 );
+
+ dest->bv_val = s;
+ if ( s == NULL ) {
+ dest->bv_len = 0;
+ Debug( LDAP_DEBUG_ANY, "back-ldif: out of memory\n" );
+ } else {
+ s = lutil_strcopy( dest->bv_val, dir->bv_val );
+ *s++ = LDAP_DIRSEP[0];
+ *s = '\0';
+ dest->bv_len = s - dest->bv_val;
+ }
+ return s;
+}
+
+/*
+ * Append filename to fullpath_alloc() dirname or replace previous filename.
+ * dir_end = fullpath_alloc() return value.
+ */
+#define FILL_PATH(fpath, dir_end, filename) \
+ ((fpath)->bv_len = lutil_strcopy(dir_end, filename) - (fpath)->bv_val)
+
+
+/* .ldif entry filename length <-> subtree dirname length. */
+#define ldif2dir_len(bv) ((bv).bv_len -= STRLENOF(LDIF))
+#define dir2ldif_len(bv) ((bv).bv_len += STRLENOF(LDIF))
+/* .ldif entry filename <-> subtree dirname, both with dirname length. */
+#define ldif2dir_name(bv) ((bv).bv_val[(bv).bv_len] = '\0')
+#define dir2ldif_name(bv) ((bv).bv_val[(bv).bv_len] = LDIF_FILETYPE_SEP)
+
+/* Get the parent directory path, plus the LDIF suffix overwritten by a \0. */
+static int
+get_parent_path( struct berval *dnpath, struct berval *res )
+{
+ ber_len_t i = dnpath->bv_len;
+
+ while ( i > 0 && dnpath->bv_val[ --i ] != LDAP_DIRSEP[0] ) ;
+ if ( res == NULL ) {
+ res = dnpath;
+ } else {
+ res->bv_val = SLAP_MALLOC( i + 1 + STRLENOF(LDIF) );
+ if ( res->bv_val == NULL )
+ return LDAP_OTHER;
+ AC_MEMCPY( res->bv_val, dnpath->bv_val, i );
+ }
+ res->bv_len = i;
+ strcpy( res->bv_val + i, LDIF );
+ res->bv_val[i] = '\0';
+ return LDAP_SUCCESS;
+}
+
+/* Make temporary filename pattern for mkstemp() based on dnpath. */
+static char *
+ldif_tempname( const struct berval *dnpath )
+{
+ static const char suffix[] = ".XXXXXX";
+ ber_len_t len = dnpath->bv_len - STRLENOF( LDIF );
+ char *name = SLAP_MALLOC( len + sizeof( suffix ) );
+
+ if ( name != NULL ) {
+ AC_MEMCPY( name, dnpath->bv_val, len );
+ strcpy( name + len, suffix );
+ }
+ return name;
+}
+
+/* CRC-32 table for the polynomial:
+ * x^32+x^26+x^23+x^22+x^16+x^12+x^11+x^10+x^8+x^7+x^5+x^4+x^2+x+1.
+ *
+ * As used by zlib
+ */
+
+static const ber_uint_t crctab[256] = {
+ 0x00000000L, 0x77073096L, 0xee0e612cL, 0x990951baL, 0x076dc419L,
+ 0x706af48fL, 0xe963a535L, 0x9e6495a3L, 0x0edb8832L, 0x79dcb8a4L,
+ 0xe0d5e91eL, 0x97d2d988L, 0x09b64c2bL, 0x7eb17cbdL, 0xe7b82d07L,
+ 0x90bf1d91L, 0x1db71064L, 0x6ab020f2L, 0xf3b97148L, 0x84be41deL,
+ 0x1adad47dL, 0x6ddde4ebL, 0xf4d4b551L, 0x83d385c7L, 0x136c9856L,
+ 0x646ba8c0L, 0xfd62f97aL, 0x8a65c9ecL, 0x14015c4fL, 0x63066cd9L,
+ 0xfa0f3d63L, 0x8d080df5L, 0x3b6e20c8L, 0x4c69105eL, 0xd56041e4L,
+ 0xa2677172L, 0x3c03e4d1L, 0x4b04d447L, 0xd20d85fdL, 0xa50ab56bL,
+ 0x35b5a8faL, 0x42b2986cL, 0xdbbbc9d6L, 0xacbcf940L, 0x32d86ce3L,
+ 0x45df5c75L, 0xdcd60dcfL, 0xabd13d59L, 0x26d930acL, 0x51de003aL,
+ 0xc8d75180L, 0xbfd06116L, 0x21b4f4b5L, 0x56b3c423L, 0xcfba9599L,
+ 0xb8bda50fL, 0x2802b89eL, 0x5f058808L, 0xc60cd9b2L, 0xb10be924L,
+ 0x2f6f7c87L, 0x58684c11L, 0xc1611dabL, 0xb6662d3dL, 0x76dc4190L,
+ 0x01db7106L, 0x98d220bcL, 0xefd5102aL, 0x71b18589L, 0x06b6b51fL,
+ 0x9fbfe4a5L, 0xe8b8d433L, 0x7807c9a2L, 0x0f00f934L, 0x9609a88eL,
+ 0xe10e9818L, 0x7f6a0dbbL, 0x086d3d2dL, 0x91646c97L, 0xe6635c01L,
+ 0x6b6b51f4L, 0x1c6c6162L, 0x856530d8L, 0xf262004eL, 0x6c0695edL,
+ 0x1b01a57bL, 0x8208f4c1L, 0xf50fc457L, 0x65b0d9c6L, 0x12b7e950L,
+ 0x8bbeb8eaL, 0xfcb9887cL, 0x62dd1ddfL, 0x15da2d49L, 0x8cd37cf3L,
+ 0xfbd44c65L, 0x4db26158L, 0x3ab551ceL, 0xa3bc0074L, 0xd4bb30e2L,
+ 0x4adfa541L, 0x3dd895d7L, 0xa4d1c46dL, 0xd3d6f4fbL, 0x4369e96aL,
+ 0x346ed9fcL, 0xad678846L, 0xda60b8d0L, 0x44042d73L, 0x33031de5L,
+ 0xaa0a4c5fL, 0xdd0d7cc9L, 0x5005713cL, 0x270241aaL, 0xbe0b1010L,
+ 0xc90c2086L, 0x5768b525L, 0x206f85b3L, 0xb966d409L, 0xce61e49fL,
+ 0x5edef90eL, 0x29d9c998L, 0xb0d09822L, 0xc7d7a8b4L, 0x59b33d17L,
+ 0x2eb40d81L, 0xb7bd5c3bL, 0xc0ba6cadL, 0xedb88320L, 0x9abfb3b6L,
+ 0x03b6e20cL, 0x74b1d29aL, 0xead54739L, 0x9dd277afL, 0x04db2615L,
+ 0x73dc1683L, 0xe3630b12L, 0x94643b84L, 0x0d6d6a3eL, 0x7a6a5aa8L,
+ 0xe40ecf0bL, 0x9309ff9dL, 0x0a00ae27L, 0x7d079eb1L, 0xf00f9344L,
+ 0x8708a3d2L, 0x1e01f268L, 0x6906c2feL, 0xf762575dL, 0x806567cbL,
+ 0x196c3671L, 0x6e6b06e7L, 0xfed41b76L, 0x89d32be0L, 0x10da7a5aL,
+ 0x67dd4accL, 0xf9b9df6fL, 0x8ebeeff9L, 0x17b7be43L, 0x60b08ed5L,
+ 0xd6d6a3e8L, 0xa1d1937eL, 0x38d8c2c4L, 0x4fdff252L, 0xd1bb67f1L,
+ 0xa6bc5767L, 0x3fb506ddL, 0x48b2364bL, 0xd80d2bdaL, 0xaf0a1b4cL,
+ 0x36034af6L, 0x41047a60L, 0xdf60efc3L, 0xa867df55L, 0x316e8eefL,
+ 0x4669be79L, 0xcb61b38cL, 0xbc66831aL, 0x256fd2a0L, 0x5268e236L,
+ 0xcc0c7795L, 0xbb0b4703L, 0x220216b9L, 0x5505262fL, 0xc5ba3bbeL,
+ 0xb2bd0b28L, 0x2bb45a92L, 0x5cb36a04L, 0xc2d7ffa7L, 0xb5d0cf31L,
+ 0x2cd99e8bL, 0x5bdeae1dL, 0x9b64c2b0L, 0xec63f226L, 0x756aa39cL,
+ 0x026d930aL, 0x9c0906a9L, 0xeb0e363fL, 0x72076785L, 0x05005713L,
+ 0x95bf4a82L, 0xe2b87a14L, 0x7bb12baeL, 0x0cb61b38L, 0x92d28e9bL,
+ 0xe5d5be0dL, 0x7cdcefb7L, 0x0bdbdf21L, 0x86d3d2d4L, 0xf1d4e242L,
+ 0x68ddb3f8L, 0x1fda836eL, 0x81be16cdL, 0xf6b9265bL, 0x6fb077e1L,
+ 0x18b74777L, 0x88085ae6L, 0xff0f6a70L, 0x66063bcaL, 0x11010b5cL,
+ 0x8f659effL, 0xf862ae69L, 0x616bffd3L, 0x166ccf45L, 0xa00ae278L,
+ 0xd70dd2eeL, 0x4e048354L, 0x3903b3c2L, 0xa7672661L, 0xd06016f7L,
+ 0x4969474dL, 0x3e6e77dbL, 0xaed16a4aL, 0xd9d65adcL, 0x40df0b66L,
+ 0x37d83bf0L, 0xa9bcae53L, 0xdebb9ec5L, 0x47b2cf7fL, 0x30b5ffe9L,
+ 0xbdbdf21cL, 0xcabac28aL, 0x53b39330L, 0x24b4a3a6L, 0xbad03605L,
+ 0xcdd70693L, 0x54de5729L, 0x23d967bfL, 0xb3667a2eL, 0xc4614ab8L,
+ 0x5d681b02L, 0x2a6f2b94L, 0xb40bbe37L, 0xc30c8ea1L, 0x5a05df1bL,
+ 0x2d02ef8dL
+};
+
+#define CRC1 crc = crctab[(crc ^ *buf++) & 0xff] ^ (crc >> 8)
+#define CRC8 CRC1; CRC1; CRC1; CRC1; CRC1; CRC1; CRC1; CRC1
+unsigned int
+crc32(const void *vbuf, int len)
+{
+ const unsigned char *buf = vbuf;
+ ber_uint_t crc = 0xffffffff;
+
+ while (len > 7) {
+ CRC8;
+ len -= 8;
+ }
+ while (len) {
+ CRC1;
+ len--;
+ }
+
+ return crc ^ 0xffffffff;
+}
+
+/*
+ * Read a file, or stat() it if datap == NULL. Allocate and fill *datap.
+ * Return LDAP_SUCCESS, LDAP_NO_SUCH_OBJECT (no such file), or another error.
+ */
+static int
+ldif_read_file( const char *path, char **datap )
+{
+ int rc = LDAP_SUCCESS, fd, len;
+ int res = -1; /* 0:success, <0:error, >0:file too big/growing. */
+ struct stat st;
+ char *data = NULL, *ptr = NULL;
+ const char *msg;
+
+ if ( datap == NULL ) {
+ res = stat( path, &st );
+ goto done;
+ }
+ fd = open( path, O_RDONLY );
+ if ( fd >= 0 ) {
+ if ( fstat( fd, &st ) == 0 ) {
+ if ( st.st_size > INT_MAX - 2 ) {
+ res = 1;
+ } else {
+ len = st.st_size + 1; /* +1 detects file size > st.st_size */
+ *datap = data = ptr = SLAP_MALLOC( len + 1 );
+ if ( ptr != NULL ) {
+ while ( len && (res = read( fd, ptr, len )) ) {
+ if ( res > 0 ) {
+ len -= res;
+ ptr += res;
+ } else if ( errno != EINTR ) {
+ break;
+ }
+ }
+ *ptr = '\0';
+ }
+ }
+ }
+ if ( close( fd ) < 0 )
+ res = -1;
+ }
+
+ done:
+ if ( res == 0 ) {
+#ifdef LDAP_DEBUG
+ msg = "entry file exists";
+ if ( datap ) {
+ msg = "read entry file";
+ len = ptr - data;
+ ptr = strstr( data, "\n# CRC32" );
+ if (!ptr) {
+ msg = "read entry file without checksum";
+ } else {
+ unsigned int crc1 = 0, crc2 = 1;
+ if ( sscanf( ptr + 9, "%08x", &crc1) == 1) {
+ ptr = strchr(ptr+1, '\n');
+ if ( ptr ) {
+ ptr++;
+ len -= (ptr - data);
+ crc2 = crc32( ptr, len );
+ }
+ }
+ if ( crc1 != crc2 ) {
+ Debug( LDAP_DEBUG_ANY, "ldif_read_file: checksum error on \"%s\"\n",
+ path );
+ return rc;
+ }
+ }
+ }
+ Debug( LDAP_DEBUG_TRACE, "ldif_read_file: %s: \"%s\"\n", msg, path );
+#endif /* LDAP_DEBUG */
+ } else {
+ char ebuf[128];
+ if ( res < 0 && errno == ENOENT ) {
+ Debug( LDAP_DEBUG_TRACE, "ldif_read_file: "
+ "no entry file \"%s\"\n", path );
+ rc = LDAP_NO_SUCH_OBJECT;
+ } else {
+ msg = res < 0 ? AC_STRERROR_R( errno, ebuf, sizeof(ebuf) ) : "bad stat() size";
+ Debug( LDAP_DEBUG_ANY, "ldif_read_file: %s for \"%s\"\n",
+ msg, path );
+ rc = LDAP_OTHER;
+ }
+ if ( data != NULL )
+ SLAP_FREE( data );
+ }
+ return rc;
+}
+
+/*
+ * return nonnegative for success or -1 for error
+ * do not return numbers less than -1
+ */
+static int
+spew_file( int fd, const char *spew, int len, int *save_errno )
+{
+ int writeres;
+#define HEADER "# AUTO-GENERATED FILE - DO NOT EDIT!! Use ldapmodify.\n"
+ char header[sizeof(HEADER "# CRC32 12345678\n")];
+
+ sprintf(header, HEADER "# CRC32 %08x\n", crc32(spew, len));
+ writeres = write_data(fd, header, sizeof(header)-1, save_errno);
+ return writeres < 0 ? writeres : write_data(fd, spew, len, save_errno);
+}
+
+static int
+write_data( int fd, const char *spew, int len, int *save_errno )
+{
+ int writeres = 0;
+ while(len > 0) {
+ writeres = write(fd, spew, len);
+ if(writeres == -1) {
+ *save_errno = errno;
+ if (*save_errno != EINTR)
+ break;
+ }
+ else {
+ spew += writeres;
+ len -= writeres;
+ }
+ }
+ return writeres;
+}
+
+/* Write an entry LDIF file. Create parentdir first if non-NULL. */
+static int
+ldif_write_entry(
+ Operation *op,
+ Entry *e,
+ const struct berval *path,
+ const char *parentdir,
+ const char **text )
+{
+ int rc = LDAP_OTHER, res, save_errno = 0;
+ int fd, entry_length;
+ char *entry_as_string, *tmpfname;
+ char ebuf[128];
+
+ if ( op->o_abandon )
+ return SLAPD_ABANDON;
+
+ if ( parentdir != NULL && mkdir( parentdir, 0750 ) < 0 ) {
+ save_errno = errno;
+ Debug( LDAP_DEBUG_ANY, "ldif_write_entry: %s \"%s\": %s\n",
+ "cannot create parent directory",
+ parentdir, AC_STRERROR_R( save_errno, ebuf, sizeof(ebuf) ) );
+ *text = "internal error (cannot create parent directory)";
+ return rc;
+ }
+
+ tmpfname = ldif_tempname( path );
+ fd = tmpfname == NULL ? -1 : mkstemp( tmpfname );
+ if ( fd < 0 ) {
+ save_errno = errno;
+ Debug( LDAP_DEBUG_ANY, "ldif_write_entry: %s for \"%s\": %s\n",
+ "cannot create file", e->e_dn, AC_STRERROR_R( save_errno, ebuf, sizeof(ebuf) ) );
+ *text = "internal error (cannot create file)";
+
+ } else {
+ ber_len_t dn_len = e->e_name.bv_len;
+ struct berval rdn;
+
+ /* Only save the RDN onto disk */
+ dnRdn( &e->e_name, &rdn );
+ if ( rdn.bv_len != dn_len ) {
+ e->e_name.bv_val[rdn.bv_len] = '\0';
+ e->e_name.bv_len = rdn.bv_len;
+ }
+
+ res = -2;
+ ldap_pvt_thread_mutex_lock( &entry2str_mutex );
+ entry_as_string = entry2str( e, &entry_length );
+ if ( entry_as_string != NULL )
+ res = spew_file( fd, entry_as_string, entry_length, &save_errno );
+ ldap_pvt_thread_mutex_unlock( &entry2str_mutex );
+
+ /* Restore full DN */
+ if ( rdn.bv_len != dn_len ) {
+ e->e_name.bv_val[rdn.bv_len] = ',';
+ e->e_name.bv_len = dn_len;
+ }
+
+ if ( close( fd ) < 0 && res >= 0 ) {
+ res = -1;
+ save_errno = errno;
+ }
+
+ if ( res >= 0 ) {
+ if ( move_file( tmpfname, path->bv_val ) == 0 ) {
+ Debug( LDAP_DEBUG_TRACE, "ldif_write_entry: "
+ "wrote entry \"%s\"\n", e->e_name.bv_val );
+ rc = LDAP_SUCCESS;
+ } else {
+ save_errno = errno;
+ Debug( LDAP_DEBUG_ANY, "ldif_write_entry: "
+ "could not put entry file for \"%s\" in place: %s\n",
+ e->e_name.bv_val, AC_STRERROR_R( save_errno, ebuf, sizeof(ebuf) ) );
+ *text = "internal error (could not put entry file in place)";
+ }
+ } else if ( res == -1 ) {
+ Debug( LDAP_DEBUG_ANY, "ldif_write_entry: %s \"%s\": %s\n",
+ "write error to", tmpfname, AC_STRERROR_R( save_errno, ebuf, sizeof(ebuf) ) );
+ *text = "internal error (write error to entry file)";
+ }
+
+ if ( rc != LDAP_SUCCESS ) {
+ unlink( tmpfname );
+ }
+ }
+
+ if ( tmpfname )
+ SLAP_FREE( tmpfname );
+ return rc;
+}
+
+/*
+ * Read the entry at path, or if entryp==NULL just see if it exists.
+ * pdn and pndn are the parent's DN and normalized DN, or both NULL.
+ * Return an LDAP result code.
+ */
+static int
+ldif_read_entry(
+ Operation *op,
+ const char *path,
+ struct berval *pdn,
+ struct berval *pndn,
+ Entry **entryp,
+ const char **text )
+{
+ int rc;
+ Entry *entry;
+ char *entry_as_string;
+ struct berval rdn;
+
+ /* TODO: Does slapd prevent Abandon of Bind as per rfc4511?
+ * If so we need not check for LDAP_REQ_BIND here.
+ */
+ if ( op->o_abandon && op->o_tag != LDAP_REQ_BIND )
+ return SLAPD_ABANDON;
+
+ rc = ldif_read_file( path, entryp ? &entry_as_string : NULL );
+
+ switch ( rc ) {
+ case LDAP_SUCCESS:
+ if ( entryp == NULL )
+ break;
+ *entryp = entry = str2entry( entry_as_string );
+ SLAP_FREE( entry_as_string );
+ if ( entry == NULL ) {
+ rc = LDAP_OTHER;
+ if ( text != NULL )
+ *text = "internal error (cannot parse some entry file)";
+ break;
+ }
+ if ( pdn == NULL || BER_BVISEMPTY( pdn ) )
+ break;
+ /* Append parent DN to DN from LDIF file */
+ rdn = entry->e_name;
+ build_new_dn( &entry->e_name, pdn, &rdn, NULL );
+ SLAP_FREE( rdn.bv_val );
+ rdn = entry->e_nname;
+ build_new_dn( &entry->e_nname, pndn, &rdn, NULL );
+ SLAP_FREE( rdn.bv_val );
+ break;
+
+ case LDAP_OTHER:
+ if ( text != NULL )
+ *text = entryp
+ ? "internal error (cannot read some entry file)"
+ : "internal error (cannot stat some entry file)";
+ break;
+ }
+
+ return rc;
+}
+
+/*
+ * Read the operation's entry, or if entryp==NULL just see if it exists.
+ * Return an LDAP result code. May set *text to a message on failure.
+ * If pathp is non-NULL, set it to the entry filename on success.
+ */
+static int
+get_entry(
+ Operation *op,
+ Entry **entryp,
+ struct berval *pathp,
+ const char **text )
+{
+ int rc;
+ struct berval path, pdn, pndn;
+
+ dnParent( &op->o_req_dn, &pdn );
+ dnParent( &op->o_req_ndn, &pndn );
+ rc = ndn2path( op, &op->o_req_ndn, &path, 0 );
+ if ( rc != LDAP_SUCCESS ) {
+ goto done;
+ }
+
+ rc = ldif_read_entry( op, path.bv_val, &pdn, &pndn, entryp, text );
+
+ if ( rc == LDAP_SUCCESS && pathp != NULL ) {
+ *pathp = path;
+ } else {
+ SLAP_FREE( path.bv_val );
+ }
+ done:
+ return rc;
+}
+
+
+/*
+ * RDN-named directory entry, with special handling of "attr={num}val" RDNs.
+ * For sorting, filename "attr=val.ldif" is truncated to "attr="val\0ldif",
+ * and filename "attr={num}val.ldif" to "attr={\0um}val.ldif".
+ * Does not sort escaped chars correctly, would need to un-escape them.
+ */
+typedef struct bvlist {
+ struct bvlist *next;
+ char *trunc; /* filename was truncated here */
+ int inum; /* num from "attr={num}" in filename, or INT_MIN */
+ char savech; /* original char at *trunc */
+ /* BVL_NAME(&bvlist) is the filename, allocated after the struct: */
+# define BVL_NAME(bvl) ((char *) ((bvl) + 1))
+# define BVL_SIZE(namelen) (sizeof(bvlist) + (namelen) + 1)
+} bvlist;
+
+static int
+ldif_send_entry( Operation *op, SlapReply *rs, Entry *e, int scope )
+{
+ int rc = LDAP_SUCCESS;
+
+ if ( scope == LDAP_SCOPE_BASE || scope == LDAP_SCOPE_SUBTREE ) {
+ if ( rs == NULL ) {
+ /* Save the entry for tool mode */
+ struct ldif_tool *tl =
+ &((struct ldif_info *) op->o_bd->be_private)->li_tool;
+
+ if ( tl->ecount >= tl->elen ) {
+ /* Allocate/grow entries */
+ ID elen = tl->elen ? tl->elen * 2 : ENTRY_BUFF_INCREMENT;
+ Entry **entries = (Entry **) SLAP_REALLOC( tl->entries,
+ sizeof(Entry *) * elen );
+ if ( entries == NULL ) {
+ Debug( LDAP_DEBUG_ANY,
+ "ldif_send_entry: out of memory\n" );
+ rc = LDAP_OTHER;
+ goto done;
+ }
+ tl->elen = elen;
+ tl->entries = entries;
+ }
+ tl->entries[tl->ecount++] = e;
+ e->e_id = tl->ecount;
+ return rc;
+ }
+
+ else if ( !get_manageDSAit( op ) && is_entry_referral( e ) ) {
+ /* Send a continuation reference.
+ * (ldif_back_referrals() handles baseobject referrals.)
+ * Don't check the filter since it's only a candidate.
+ */
+ BerVarray refs = get_entry_referrals( op, e );
+ rs->sr_ref = referral_rewrite( refs, &e->e_name, NULL, scope );
+ rs->sr_entry = e;
+ rc = send_search_reference( op, rs );
+ ber_bvarray_free( rs->sr_ref );
+ ber_bvarray_free( refs );
+ rs->sr_ref = NULL;
+ rs->sr_entry = NULL;
+ }
+
+ else if ( test_filter( op, e, op->ors_filter ) == LDAP_COMPARE_TRUE ) {
+ rs->sr_entry = e;
+ rs->sr_attrs = op->ors_attrs;
+ /* Could set REP_ENTRY_MUSTBEFREED too for efficiency,
+ * but refraining lets us test unFREEable MODIFIABLE
+ * entries. Like entries built on the stack.
+ */
+ rs->sr_flags = REP_ENTRY_MODIFIABLE;
+ rc = send_search_entry( op, rs );
+ rs->sr_entry = NULL;
+ rs->sr_attrs = NULL;
+ }
+ }
+
+ done:
+ entry_free( e );
+ return rc;
+}
+
+/* Read LDIF directory <path> into <listp>. Set *fname_maxlenp. */
+static int
+ldif_readdir(
+ Operation *op,
+ SlapReply *rs,
+ const struct berval *path,
+ bvlist **listp,
+ ber_len_t *fname_maxlenp )
+{
+ int rc = LDAP_SUCCESS;
+ DIR *dir_of_path;
+ char ebuf[128];
+
+ *listp = NULL;
+ *fname_maxlenp = 0;
+
+ dir_of_path = opendir( path->bv_val );
+ if ( dir_of_path == NULL ) {
+ int save_errno = errno;
+ struct ldif_info *li = (struct ldif_info *) op->o_bd->be_private;
+ int is_rootDSE = (path->bv_len == li->li_base_path.bv_len);
+
+ /* Absent directory is OK (leaf entry), except the database dir */
+ if ( is_rootDSE || save_errno != ENOENT ) {
+ Debug( LDAP_DEBUG_ANY,
+ "=> ldif_search_entry: failed to opendir \"%s\": %s\n",
+ path->bv_val, AC_STRERROR_R( save_errno, ebuf, sizeof(ebuf) ) );
+ rc = LDAP_OTHER;
+ if ( rs != NULL )
+ rs->sr_text =
+ save_errno != ENOENT ? "internal error (bad directory)"
+ : "internal error (database directory does not exist)";
+ }
+
+ } else {
+ bvlist *ptr;
+ struct dirent *dir;
+ int save_errno = 0;
+
+ while ( (dir = readdir( dir_of_path )) != NULL ) {
+ size_t fname_len;
+ bvlist *bvl, **prev;
+ char *trunc, *idxp, *endp, *endp2;
+
+ fname_len = strlen( dir->d_name );
+ if ( fname_len < STRLENOF( "x=" LDIF )) /* min filename size */
+ continue;
+ if ( strcmp( dir->d_name + fname_len - STRLENOF(LDIF), LDIF ))
+ continue;
+
+ if ( *fname_maxlenp < fname_len )
+ *fname_maxlenp = fname_len;
+
+ bvl = SLAP_MALLOC( BVL_SIZE( fname_len ) );
+ if ( bvl == NULL ) {
+ rc = LDAP_OTHER;
+ save_errno = errno;
+ break;
+ }
+ strcpy( BVL_NAME( bvl ), dir->d_name );
+
+ /* Make it sortable by ("attr=val" or <preceding {num}, num>) */
+ trunc = BVL_NAME( bvl ) + fname_len - STRLENOF( LDIF );
+ if ( (idxp = strchr( BVL_NAME( bvl ) + 2, IX_FSL )) != NULL &&
+ (endp = strchr( ++idxp, IX_FSR )) != NULL && endp > idxp &&
+ (eq_unsafe || idxp[-2] == '=' || endp + 1 == trunc) )
+ {
+ /* attr={n}val or bconfig.c's "pseudo-indexed" attr=val{n} */
+ bvl->inum = strtol( idxp, &endp2, 10 );
+ if ( endp2 == endp ) {
+ trunc = idxp;
+ goto truncate;
+ }
+ }
+ bvl->inum = INT_MIN;
+ truncate:
+ bvl->trunc = trunc;
+ bvl->savech = *trunc;
+ *trunc = '\0';
+
+ /* Insertion sort */
+ for ( prev = listp; (ptr = *prev) != NULL; prev = &ptr->next ) {
+ int cmp = strcmp( BVL_NAME( bvl ), BVL_NAME( ptr ));
+ if ( cmp < 0 || (cmp == 0 && bvl->inum < ptr->inum) )
+ break;
+ }
+ *prev = bvl;
+ bvl->next = ptr;
+ }
+
+ if ( closedir( dir_of_path ) < 0 ) {
+ save_errno = errno;
+ rc = LDAP_OTHER;
+ if ( rs != NULL )
+ rs->sr_text = "internal error (bad directory)";
+ }
+ if ( rc != LDAP_SUCCESS ) {
+ Debug( LDAP_DEBUG_ANY, "ldif_search_entry: %s \"%s\": %s\n",
+ "error reading directory", path->bv_val,
+ AC_STRERROR_R( save_errno, ebuf, sizeof(ebuf) ) );
+ }
+ }
+
+ return rc;
+}
+
+/*
+ * Send an entry, recursively search its children, and free or save it.
+ * Return an LDAP result code. Parameters:
+ * op, rs operation and reply. rs == NULL for slap tools.
+ * e entry to search, or NULL for rootDSE.
+ * scope scope for the part of the search from this entry.
+ * path LDIF filename -- bv_len and non-directory part are overwritten.
+ */
+static int
+ldif_search_entry(
+ Operation *op,
+ SlapReply *rs,
+ Entry *e,
+ int scope,
+ struct berval *path )
+{
+ int rc = LDAP_SUCCESS;
+ struct berval dn = BER_BVC( "" ), ndn = BER_BVC( "" );
+
+ if ( scope != LDAP_SCOPE_BASE && e != NULL ) {
+ /* Copy DN/NDN since we send the entry with REP_ENTRY_MODIFIABLE,
+ * which bconfig.c seems to need. (TODO: see config_rename_one.)
+ */
+ if ( ber_dupbv( &dn, &e->e_name ) == NULL ||
+ ber_dupbv( &ndn, &e->e_nname ) == NULL )
+ {
+ Debug( LDAP_DEBUG_ANY,
+ "ldif_search_entry: out of memory\n" );
+ rc = LDAP_OTHER;
+ goto done;
+ }
+ }
+
+ /* Send the entry if appropriate, and free or save it */
+ if ( e != NULL )
+ rc = ldif_send_entry( op, rs, e, scope );
+
+ /* Search the children */
+ if ( scope != LDAP_SCOPE_BASE && rc == LDAP_SUCCESS ) {
+ bvlist *list, *ptr;
+ struct berval fpath; /* becomes child pathname */
+ char *dir_end; /* will point past dirname in fpath */
+
+ ldif2dir_len( *path );
+ ldif2dir_name( *path );
+ rc = ldif_readdir( op, rs, path, &list, &fpath.bv_len );
+
+ if ( list != NULL ) {
+ const char **text = rs == NULL ? NULL : &rs->sr_text;
+
+ if ( scope == LDAP_SCOPE_ONELEVEL )
+ scope = LDAP_SCOPE_BASE;
+ else if ( scope == LDAP_SCOPE_SUBORDINATE )
+ scope = LDAP_SCOPE_SUBTREE;
+
+ /* Allocate fpath and fill in directory part */
+ dir_end = fullpath_alloc( &fpath, path, fpath.bv_len );
+ if ( dir_end == NULL )
+ rc = LDAP_OTHER;
+
+ do {
+ ptr = list;
+
+ if ( rc == LDAP_SUCCESS ) {
+ *ptr->trunc = ptr->savech;
+ FILL_PATH( &fpath, dir_end, BVL_NAME( ptr ));
+
+ rc = ldif_read_entry( op, fpath.bv_val, &dn, &ndn,
+ &e, text );
+ switch ( rc ) {
+ case LDAP_SUCCESS:
+ rc = ldif_search_entry( op, rs, e, scope, &fpath );
+ break;
+ case LDAP_NO_SUCH_OBJECT:
+ /* Only the search baseDN may produce noSuchObject. */
+ rc = LDAP_OTHER;
+ if ( rs != NULL )
+ rs->sr_text = "internal error "
+ "(did someone just remove an entry file?)";
+ Debug( LDAP_DEBUG_ANY, "ldif_search_entry: "
+ "file listed in parent directory does not exist: "
+ "\"%s\"\n", fpath.bv_val );
+ break;
+ }
+ }
+
+ list = ptr->next;
+ SLAP_FREE( ptr );
+ } while ( list != NULL );
+
+ if ( !BER_BVISNULL( &fpath ) )
+ SLAP_FREE( fpath.bv_val );
+ }
+ }
+
+ done:
+ if ( !BER_BVISEMPTY( &dn ) )
+ ber_memfree( dn.bv_val );
+ if ( !BER_BVISEMPTY( &ndn ) )
+ ber_memfree( ndn.bv_val );
+ return rc;
+}
+
+static int
+search_tree( Operation *op, SlapReply *rs )
+{
+ int rc = LDAP_SUCCESS;
+ Entry *e = NULL;
+ struct berval path;
+ struct berval pdn, pndn;
+
+ (void) ndn2path( op, &op->o_req_ndn, &path, 1 );
+ if ( !BER_BVISEMPTY( &op->o_req_ndn ) ) {
+ /* Read baseObject */
+ dnParent( &op->o_req_dn, &pdn );
+ dnParent( &op->o_req_ndn, &pndn );
+ rc = ldif_read_entry( op, path.bv_val, &pdn, &pndn, &e,
+ rs == NULL ? NULL : &rs->sr_text );
+ }
+ if ( rc == LDAP_SUCCESS )
+ rc = ldif_search_entry( op, rs, e, op->ors_scope, &path );
+
+ ch_free( path.bv_val );
+ return rc;
+}
+
+
+/*
+ * Prepare to create or rename an entry:
+ * Check that the entry does not already exist.
+ * Check that the parent entry exists and can have subordinates,
+ * unless need_dir is NULL or adding the suffix entry.
+ *
+ * Return an LDAP result code. May set *text to a message on failure.
+ * If success, set *dnpath to LDIF entry path and *need_dir to
+ * (directory must be created ? dirname : NULL).
+ */
+static int
+ldif_prepare_create(
+ Operation *op,
+ Entry *e,
+ struct berval *dnpath,
+ char **need_dir,
+ const char **text )
+{
+ struct ldif_info *li = (struct ldif_info *) op->o_bd->be_private;
+ struct berval *ndn = &e->e_nname;
+ struct berval ppath = BER_BVNULL;
+ struct stat st;
+ Entry *parent = NULL;
+ int rc;
+ char ebuf[128];
+
+ if ( op->o_abandon )
+ return SLAPD_ABANDON;
+
+ rc = ndn2path( op, ndn, dnpath, 0 );
+ if ( rc != LDAP_SUCCESS ) {
+ return rc;
+ }
+
+ if ( stat( dnpath->bv_val, &st ) == 0 ) { /* entry .ldif file */
+ rc = LDAP_ALREADY_EXISTS;
+
+ } else if ( errno != ENOENT ) {
+ Debug( LDAP_DEBUG_ANY,
+ "ldif_prepare_create: cannot stat \"%s\": %s\n",
+ dnpath->bv_val, AC_STRERROR_R( errno, ebuf, sizeof(ebuf) ) );
+ rc = LDAP_OTHER;
+ *text = "internal error (cannot check entry file)";
+
+ } else if ( need_dir != NULL ) {
+ *need_dir = NULL;
+ rc = get_parent_path( dnpath, &ppath );
+ /* If parent dir exists, so does parent .ldif:
+ * The directory gets created after and removed before the .ldif.
+ * Except with the database directory, which has no matching entry.
+ */
+ if ( rc == LDAP_SUCCESS && stat( ppath.bv_val, &st ) < 0 ) {
+ rc = errno == ENOENT && ppath.bv_len > li->li_base_path.bv_len
+ ? LDAP_NO_SUCH_OBJECT : LDAP_OTHER;
+ }
+ switch ( rc ) {
+ case LDAP_NO_SUCH_OBJECT:
+ /* No parent dir, check parent .ldif */
+ dir2ldif_name( ppath );
+ rc = ldif_read_entry( op, ppath.bv_val, NULL, NULL,
+ (op->o_tag != LDAP_REQ_ADD || get_manageDSAit( op )
+ ? &parent : NULL),
+ text );
+ switch ( rc ) {
+ case LDAP_SUCCESS:
+ /* Check that parent is not a referral, unless
+ * ldif_back_referrals() already checked.
+ */
+ if ( parent != NULL ) {
+ int is_ref = is_entry_referral( parent );
+ entry_free( parent );
+ if ( is_ref ) {
+ rc = LDAP_AFFECTS_MULTIPLE_DSAS;
+ *text = op->o_tag == LDAP_REQ_MODDN
+ ? "newSuperior is a referral object"
+ : "parent is a referral object";
+ break;
+ }
+ }
+ /* Must create parent directory. */
+ ldif2dir_name( ppath );
+ *need_dir = ppath.bv_val;
+ break;
+ case LDAP_NO_SUCH_OBJECT:
+ *text = op->o_tag == LDAP_REQ_MODDN
+ ? "newSuperior object does not exist"
+ : "parent does not exist";
+ break;
+ }
+ break;
+ case LDAP_OTHER:
+ Debug( LDAP_DEBUG_ANY,
+ "ldif_prepare_create: cannot stat \"%s\" parent dir: %s\n",
+ ndn->bv_val, AC_STRERROR_R( errno, ebuf, sizeof(ebuf) ) );
+ *text = "internal error (cannot stat parent dir)";
+ break;
+ }
+ if ( *need_dir == NULL && ppath.bv_val != NULL )
+ SLAP_FREE( ppath.bv_val );
+ }
+
+ if ( rc != LDAP_SUCCESS ) {
+ SLAP_FREE( dnpath->bv_val );
+ BER_BVZERO( dnpath );
+ }
+ return rc;
+}
+
+static int
+apply_modify_to_entry(
+ Entry *entry,
+ Modifications *modlist,
+ Operation *op,
+ SlapReply *rs,
+ char *textbuf )
+{
+ int rc = modlist ? LDAP_UNWILLING_TO_PERFORM : LDAP_SUCCESS;
+ int is_oc = 0;
+ Modification *mods;
+
+ if (!acl_check_modlist(op, entry, modlist)) {
+ return LDAP_INSUFFICIENT_ACCESS;
+ }
+
+ for (; modlist != NULL; modlist = modlist->sml_next) {
+ mods = &modlist->sml_mod;
+
+ if ( mods->sm_desc == slap_schema.si_ad_objectClass ) {
+ is_oc = 1;
+ }
+ switch (mods->sm_op) {
+ case LDAP_MOD_ADD:
+ rc = modify_add_values(entry, mods,
+ get_permissiveModify(op),
+ &rs->sr_text, textbuf,
+ SLAP_TEXT_BUFLEN );
+ break;
+
+ case LDAP_MOD_DELETE:
+ rc = modify_delete_values(entry, mods,
+ get_permissiveModify(op),
+ &rs->sr_text, textbuf,
+ SLAP_TEXT_BUFLEN );
+ break;
+
+ case LDAP_MOD_REPLACE:
+ rc = modify_replace_values(entry, mods,
+ get_permissiveModify(op),
+ &rs->sr_text, textbuf,
+ SLAP_TEXT_BUFLEN );
+ break;
+
+ case LDAP_MOD_INCREMENT:
+ rc = modify_increment_values( entry,
+ mods, get_permissiveModify(op),
+ &rs->sr_text, textbuf,
+ SLAP_TEXT_BUFLEN );
+ break;
+
+ case SLAP_MOD_SOFTADD:
+ mods->sm_op = LDAP_MOD_ADD;
+ rc = modify_add_values(entry, mods,
+ get_permissiveModify(op),
+ &rs->sr_text, textbuf,
+ SLAP_TEXT_BUFLEN );
+ mods->sm_op = SLAP_MOD_SOFTADD;
+ if (rc == LDAP_TYPE_OR_VALUE_EXISTS) {
+ rc = LDAP_SUCCESS;
+ }
+ break;
+
+ case SLAP_MOD_SOFTDEL:
+ mods->sm_op = LDAP_MOD_DELETE;
+ rc = modify_delete_values(entry, mods,
+ get_permissiveModify(op),
+ &rs->sr_text, textbuf,
+ SLAP_TEXT_BUFLEN );
+ mods->sm_op = SLAP_MOD_SOFTDEL;
+ if (rc == LDAP_NO_SUCH_ATTRIBUTE) {
+ rc = LDAP_SUCCESS;
+ }
+ break;
+
+ case SLAP_MOD_ADD_IF_NOT_PRESENT:
+ if ( attr_find( entry->e_attrs, mods->sm_desc ) ) {
+ rc = LDAP_SUCCESS;
+ break;
+ }
+ mods->sm_op = LDAP_MOD_ADD;
+ rc = modify_add_values(entry, mods,
+ get_permissiveModify(op),
+ &rs->sr_text, textbuf,
+ SLAP_TEXT_BUFLEN );
+ mods->sm_op = SLAP_MOD_ADD_IF_NOT_PRESENT;
+ break;
+ }
+ if(rc != LDAP_SUCCESS) break;
+ }
+
+ if ( rc == LDAP_SUCCESS ) {
+ rs->sr_text = NULL; /* Needed at least with SLAP_MOD_SOFTADD */
+ if ( is_oc ) {
+ entry->e_ocflags = 0;
+ }
+ /* check that the entry still obeys the schema */
+ rc = entry_schema_check( op, entry, NULL, 0, 0, NULL,
+ &rs->sr_text, textbuf, SLAP_TEXT_BUFLEN );
+ }
+
+ return rc;
+}
+
+
+static int
+ldif_back_referrals( Operation *op, SlapReply *rs )
+{
+ struct ldif_info *li = (struct ldif_info *) op->o_bd->be_private;
+ struct berval path, dn = op->o_req_dn, ndn = op->o_req_ndn;
+ ber_len_t min_dnlen;
+ Entry *entry = NULL, **entryp;
+ BerVarray ref;
+ int rc;
+
+ min_dnlen = op->o_bd->be_nsuffix[0].bv_len;
+ if ( min_dnlen == 0 ) {
+ /* Catch root DSE (empty DN), it is not a referral */
+ min_dnlen = 1;
+ }
+ if ( ndn2path( op, &ndn, &path, 0 ) != LDAP_SUCCESS ) {
+ return LDAP_SUCCESS; /* Root DSE again */
+ }
+
+ entryp = get_manageDSAit( op ) ? NULL : &entry;
+ ldap_pvt_thread_rdwr_rlock( &li->li_rdwr );
+
+ for (;;) {
+ dnParent( &dn, &dn );
+ dnParent( &ndn, &ndn );
+ rc = ldif_read_entry( op, path.bv_val, &dn, &ndn,
+ entryp, &rs->sr_text );
+ if ( rc != LDAP_NO_SUCH_OBJECT )
+ break;
+
+ rc = LDAP_SUCCESS;
+ if ( ndn.bv_len < min_dnlen )
+ break;
+ (void) get_parent_path( &path, NULL );
+ dir2ldif_name( path );
+ entryp = &entry;
+ }
+
+ ldap_pvt_thread_rdwr_runlock( &li->li_rdwr );
+ SLAP_FREE( path.bv_val );
+
+ if ( entry != NULL ) {
+ if ( is_entry_referral( entry ) ) {
+ Debug( LDAP_DEBUG_TRACE,
+ "ldif_back_referrals: tag=%lu target=\"%s\" matched=\"%s\"\n",
+ (unsigned long) op->o_tag, op->o_req_dn.bv_val, entry->e_dn );
+
+ ref = get_entry_referrals( op, entry );
+ rs->sr_ref = referral_rewrite( ref, &entry->e_name, &op->o_req_dn,
+ op->o_tag == LDAP_REQ_SEARCH ?
+ op->ors_scope : LDAP_SCOPE_DEFAULT );
+ ber_bvarray_free( ref );
+
+ if ( rs->sr_ref != NULL ) {
+ /* send referral */
+ rc = rs->sr_err = LDAP_REFERRAL;
+ rs->sr_matched = entry->e_dn;
+ send_ldap_result( op, rs );
+ ber_bvarray_free( rs->sr_ref );
+ rs->sr_ref = NULL;
+ } else {
+ rc = LDAP_OTHER;
+ rs->sr_text = "bad referral object";
+ }
+ rs->sr_matched = NULL;
+ }
+
+ entry_free( entry );
+ }
+
+ return rc;
+}
+
+
+/* LDAP operations */
+
+static int
+ldif_back_bind( Operation *op, SlapReply *rs )
+{
+ struct ldif_info *li;
+ Attribute *a;
+ AttributeDescription *password = slap_schema.si_ad_userPassword;
+ int return_val;
+ Entry *entry = NULL;
+
+ switch ( be_rootdn_bind( op, rs ) ) {
+ case SLAP_CB_CONTINUE:
+ break;
+
+ default:
+ /* in case of success, front end will send result;
+ * otherwise, be_rootdn_bind() did */
+ return rs->sr_err;
+ }
+
+ li = (struct ldif_info *) op->o_bd->be_private;
+ ldap_pvt_thread_rdwr_rlock(&li->li_rdwr);
+ return_val = get_entry(op, &entry, NULL, NULL);
+
+ /* no object is found for them */
+ if(return_val != LDAP_SUCCESS) {
+ rs->sr_err = return_val = LDAP_INVALID_CREDENTIALS;
+ goto return_result;
+ }
+
+ /* they don't have userpassword */
+ if((a = attr_find(entry->e_attrs, password)) == NULL) {
+ rs->sr_err = LDAP_INAPPROPRIATE_AUTH;
+ return_val = 1;
+ goto return_result;
+ }
+
+ /* authentication actually failed */
+ if(slap_passwd_check(op, entry, a, &op->oq_bind.rb_cred,
+ &rs->sr_text) != 0) {
+ rs->sr_err = LDAP_INVALID_CREDENTIALS;
+ return_val = 1;
+ goto return_result;
+ }
+
+ /* let the front-end send success */
+ return_val = LDAP_SUCCESS;
+
+ return_result:
+ ldap_pvt_thread_rdwr_runlock(&li->li_rdwr);
+ if(return_val != LDAP_SUCCESS)
+ send_ldap_result( op, rs );
+ if(entry != NULL)
+ entry_free(entry);
+ return return_val;
+}
+
+static int
+ldif_back_search( Operation *op, SlapReply *rs )
+{
+ struct ldif_info *li = (struct ldif_info *) op->o_bd->be_private;
+
+ ldap_pvt_thread_rdwr_rlock(&li->li_rdwr);
+ rs->sr_err = search_tree( op, rs );
+ ldap_pvt_thread_rdwr_runlock(&li->li_rdwr);
+ rs->sr_ctrls = NULL;
+ send_ldap_result(op, rs);
+
+ return rs->sr_err;
+}
+
+static int
+ldif_back_add( Operation *op, SlapReply *rs )
+{
+ struct ldif_info *li = (struct ldif_info *) op->o_bd->be_private;
+ Entry * e = op->ora_e;
+ struct berval path;
+ char *parentdir;
+ char textbuf[SLAP_TEXT_BUFLEN];
+ int rc;
+
+ Debug( LDAP_DEBUG_TRACE, "ldif_back_add: \"%s\"\n", e->e_dn );
+
+ rc = entry_schema_check( op, e, NULL, 0, 1, NULL,
+ &rs->sr_text, textbuf, sizeof( textbuf ) );
+ if ( rc != LDAP_SUCCESS )
+ goto send_res;
+
+ rc = slap_add_opattrs( op, &rs->sr_text, textbuf, sizeof( textbuf ), 1 );
+ if ( rc != LDAP_SUCCESS )
+ goto send_res;
+
+ ldap_pvt_thread_mutex_lock( &li->li_modop_mutex );
+
+ rc = ldif_prepare_create( op, e, &path, &parentdir, &rs->sr_text );
+ if ( rc == LDAP_SUCCESS ) {
+ ldap_pvt_thread_rdwr_wlock( &li->li_rdwr );
+ rc = ldif_write_entry( op, e, &path, parentdir, &rs->sr_text );
+ ldap_pvt_thread_rdwr_wunlock( &li->li_rdwr );
+
+ SLAP_FREE( path.bv_val );
+ if ( parentdir != NULL )
+ SLAP_FREE( parentdir );
+ }
+
+ ldap_pvt_thread_mutex_unlock( &li->li_modop_mutex );
+
+ send_res:
+ rs->sr_err = rc;
+ Debug( LDAP_DEBUG_TRACE, "ldif_back_add: err: %d text: %s\n",
+ rc, rs->sr_text ? rs->sr_text : "" );
+ send_ldap_result( op, rs );
+ slap_graduate_commit_csn( op );
+ rs->sr_text = NULL; /* remove possible pointer to textbuf */
+ return rs->sr_err;
+}
+
+static int
+ldif_back_modify( Operation *op, SlapReply *rs )
+{
+ struct ldif_info *li = (struct ldif_info *) op->o_bd->be_private;
+ Modifications * modlst = op->orm_modlist;
+ struct berval path;
+ Entry *entry;
+ char textbuf[SLAP_TEXT_BUFLEN];
+ int rc;
+
+ slap_mods_opattrs( op, &op->orm_modlist, 1 );
+
+ ldap_pvt_thread_mutex_lock( &li->li_modop_mutex );
+
+ rc = get_entry( op, &entry, &path, &rs->sr_text );
+ if ( rc == LDAP_SUCCESS ) {
+ rc = apply_modify_to_entry( entry, modlst, op, rs, textbuf );
+ if ( rc == LDAP_SUCCESS ) {
+ ldap_pvt_thread_rdwr_wlock( &li->li_rdwr );
+ rc = ldif_write_entry( op, entry, &path, NULL, &rs->sr_text );
+ ldap_pvt_thread_rdwr_wunlock( &li->li_rdwr );
+ }
+
+ entry_free( entry );
+ SLAP_FREE( path.bv_val );
+ }
+
+ ldap_pvt_thread_mutex_unlock( &li->li_modop_mutex );
+
+ rs->sr_err = rc;
+ send_ldap_result( op, rs );
+ slap_graduate_commit_csn( op );
+ rs->sr_text = NULL; /* remove possible pointer to textbuf */
+ return rs->sr_err;
+}
+
+static int
+ldif_back_delete( Operation *op, SlapReply *rs )
+{
+ struct ldif_info *li = (struct ldif_info *) op->o_bd->be_private;
+ struct berval path;
+ int rc = LDAP_SUCCESS;
+ char ebuf[128];
+
+ if ( BER_BVISEMPTY( &op->o_csn )) {
+ struct berval csn;
+ char csnbuf[LDAP_PVT_CSNSTR_BUFSIZE];
+
+ csn.bv_val = csnbuf;
+ csn.bv_len = sizeof( csnbuf );
+ slap_get_csn( op, &csn, 1 );
+ }
+
+ ldap_pvt_thread_mutex_lock( &li->li_modop_mutex );
+ ldap_pvt_thread_rdwr_wlock( &li->li_rdwr );
+ if ( op->o_abandon ) {
+ rc = SLAPD_ABANDON;
+ goto done;
+ }
+
+ rc = ndn2path( op, &op->o_req_ndn, &path, 0 );
+ if ( rc != LDAP_SUCCESS ) {
+ goto done;
+ }
+
+ ldif2dir_len( path );
+ ldif2dir_name( path );
+ if ( rmdir( path.bv_val ) < 0 ) {
+ switch ( errno ) {
+ case ENOTEMPTY:
+ rc = LDAP_NOT_ALLOWED_ON_NONLEAF;
+ break;
+ case ENOENT:
+ /* is leaf, go on */
+ break;
+ default:
+ rc = LDAP_OTHER;
+ rs->sr_text = "internal error (cannot delete subtree directory)";
+ break;
+ }
+ }
+
+ if ( rc == LDAP_SUCCESS ) {
+ dir2ldif_name( path );
+ if ( unlink( path.bv_val ) < 0 ) {
+ rc = LDAP_NO_SUCH_OBJECT;
+ if ( errno != ENOENT ) {
+ rc = LDAP_OTHER;
+ rs->sr_text = "internal error (cannot delete entry file)";
+ }
+ }
+ }
+
+ if ( rc == LDAP_OTHER ) {
+ Debug( LDAP_DEBUG_ANY, "ldif_back_delete: %s \"%s\": %s\n",
+ "cannot delete", path.bv_val, AC_STRERROR_R( errno, ebuf, sizeof(ebuf) ) );
+ }
+
+ SLAP_FREE( path.bv_val );
+ done:
+ ldap_pvt_thread_rdwr_wunlock( &li->li_rdwr );
+ ldap_pvt_thread_mutex_unlock( &li->li_modop_mutex );
+ rs->sr_err = rc;
+ send_ldap_result( op, rs );
+ slap_graduate_commit_csn( op );
+ return rs->sr_err;
+}
+
+
+static int
+ldif_move_entry(
+ Operation *op,
+ Entry *entry,
+ int same_ndn,
+ struct berval *oldpath,
+ const char **text )
+{
+ struct ldif_info *li = (struct ldif_info *) op->o_bd->be_private;
+ struct berval newpath;
+ char *parentdir = NULL, *trash;
+ int rc, rename_res;
+ char ebuf[128];
+
+ if ( same_ndn ) {
+ rc = LDAP_SUCCESS;
+ newpath = *oldpath;
+ } else {
+ rc = ldif_prepare_create( op, entry, &newpath,
+ op->orr_newSup ? &parentdir : NULL, text );
+ }
+
+ if ( rc == LDAP_SUCCESS ) {
+ ldap_pvt_thread_rdwr_wlock( &li->li_rdwr );
+
+ rc = ldif_write_entry( op, entry, &newpath, parentdir, text );
+ if ( rc == LDAP_SUCCESS && !same_ndn ) {
+ trash = oldpath->bv_val; /* will be .ldif file to delete */
+ ldif2dir_len( newpath );
+ ldif2dir_len( *oldpath );
+ /* Move subdir before deleting old entry,
+ * so .ldif always exists if subdir does.
+ */
+ ldif2dir_name( newpath );
+ ldif2dir_name( *oldpath );
+ rename_res = move_dir( oldpath->bv_val, newpath.bv_val );
+ if ( rename_res != 0 && errno != ENOENT ) {
+ rc = LDAP_OTHER;
+ *text = "internal error (cannot move this subtree)";
+ trash = newpath.bv_val;
+ }
+
+ /* Delete old entry, or if error undo change */
+ for (;;) {
+ dir2ldif_name( newpath );
+ dir2ldif_name( *oldpath );
+ if ( unlink( trash ) == 0 )
+ break;
+ if ( rc == LDAP_SUCCESS ) {
+ /* Prepare to undo change and return failure */
+ rc = LDAP_OTHER;
+ *text = "internal error (cannot move this entry)";
+ trash = newpath.bv_val;
+ if ( rename_res != 0 )
+ continue;
+ /* First move subdirectory back */
+ ldif2dir_name( newpath );
+ ldif2dir_name( *oldpath );
+ if ( move_dir( newpath.bv_val, oldpath->bv_val ) == 0 )
+ continue;
+ }
+ *text = "added new but couldn't delete old entry!";
+ break;
+ }
+
+ if ( rc != LDAP_SUCCESS ) {
+ Debug(LDAP_DEBUG_ANY,
+ "ldif_move_entry: %s (%s): \"%s\" -> \"%s\"\n",
+ *text, AC_STRERROR_R(errno, ebuf, sizeof(ebuf)),
+ op->o_req_dn.bv_val, entry->e_dn );
+ }
+ }
+
+ ldap_pvt_thread_rdwr_wunlock( &li->li_rdwr );
+ if ( !same_ndn )
+ SLAP_FREE( newpath.bv_val );
+ if ( parentdir != NULL )
+ SLAP_FREE( parentdir );
+ }
+
+ return rc;
+}
+
+static int
+ldif_back_modrdn( Operation *op, SlapReply *rs )
+{
+ struct ldif_info *li = (struct ldif_info *) op->o_bd->be_private;
+ struct berval new_dn = BER_BVNULL, new_ndn = BER_BVNULL;
+ struct berval p_dn, old_path;
+ Entry *entry;
+ char textbuf[SLAP_TEXT_BUFLEN];
+ int rc, same_ndn;
+
+ slap_mods_opattrs( op, &op->orr_modlist, 1 );
+
+ ldap_pvt_thread_mutex_lock( &li->li_modop_mutex );
+
+ rc = get_entry( op, &entry, &old_path, &rs->sr_text );
+ if ( rc == LDAP_SUCCESS ) {
+ /* build new dn, and new ndn for the entry */
+ if ( op->oq_modrdn.rs_newSup != NULL ) {
+ p_dn = *op->oq_modrdn.rs_newSup;
+ } else {
+ dnParent( &entry->e_name, &p_dn );
+ }
+ build_new_dn( &new_dn, &p_dn, &op->oq_modrdn.rs_newrdn, NULL );
+ dnNormalize( 0, NULL, NULL, &new_dn, &new_ndn, NULL );
+ same_ndn = !ber_bvcmp( &entry->e_nname, &new_ndn );
+ ber_memfree_x( entry->e_name.bv_val, NULL );
+ ber_memfree_x( entry->e_nname.bv_val, NULL );
+ entry->e_name = new_dn;
+ entry->e_nname = new_ndn;
+
+ /* perform the modifications */
+ rc = apply_modify_to_entry( entry, op->orr_modlist, op, rs, textbuf );
+ if ( rc == LDAP_SUCCESS )
+ rc = ldif_move_entry( op, entry, same_ndn, &old_path,
+ &rs->sr_text );
+
+ entry_free( entry );
+ SLAP_FREE( old_path.bv_val );
+ }
+
+ ldap_pvt_thread_mutex_unlock( &li->li_modop_mutex );
+ rs->sr_err = rc;
+ send_ldap_result( op, rs );
+ slap_graduate_commit_csn( op );
+ rs->sr_text = NULL; /* remove possible pointer to textbuf */
+ return rs->sr_err;
+}
+
+
+/* Return LDAP_SUCCESS IFF we retrieve the specified entry. */
+static int
+ldif_back_entry_get(
+ Operation *op,
+ struct berval *ndn,
+ ObjectClass *oc,
+ AttributeDescription *at,
+ int rw,
+ Entry **e )
+{
+ struct ldif_info *li = (struct ldif_info *) op->o_bd->be_private;
+ struct berval op_dn = op->o_req_dn, op_ndn = op->o_req_ndn;
+ int rc;
+
+ assert( ndn != NULL );
+ assert( !BER_BVISNULL( ndn ) );
+
+ ldap_pvt_thread_rdwr_rlock( &li->li_rdwr );
+ op->o_req_dn = *ndn;
+ op->o_req_ndn = *ndn;
+ rc = get_entry( op, e, NULL, NULL );
+ op->o_req_dn = op_dn;
+ op->o_req_ndn = op_ndn;
+ ldap_pvt_thread_rdwr_runlock( &li->li_rdwr );
+
+ if ( rc == LDAP_SUCCESS && oc && !is_entry_objectclass_or_sub( *e, oc ) ) {
+ rc = LDAP_NO_SUCH_ATTRIBUTE;
+ entry_free( *e );
+ *e = NULL;
+ }
+
+ return rc;
+}
+
+static int
+ldif_back_entry_release_rw (
+ Operation *op,
+ Entry *e,
+ int rw )
+{
+ ID id = e->e_id;
+
+ /* only tool mode assigns valid IDs */
+ if ( id != 0 && id != NOID )
+ {
+ struct ldif_tool *tl = &((struct ldif_info *) op->o_bd->be_private)->li_tool;
+
+ id--;
+
+ assert( id < tl->ecount );
+ assert( e == tl->entries[id] );
+ tl->entries[id] = NULL;
+ }
+
+ entry_free( e );
+ return 0;
+}
+
+
+/* Slap tools */
+
+static int
+ldif_tool_entry_open( BackendDB *be, int mode )
+{
+ struct ldif_tool *tl = &((struct ldif_info *) be->be_private)->li_tool;
+
+ tl->ecurrent = 0;
+ return 0;
+}
+
+static int
+ldif_tool_entry_close( BackendDB *be )
+{
+ struct ldif_tool *tl = &((struct ldif_info *) be->be_private)->li_tool;
+ Entry **entries = tl->entries;
+ ID i;
+
+ for ( i = tl->ecount; i--; )
+ if ( entries[i] )
+ entry_free( entries[i] );
+ SLAP_FREE( entries );
+ tl->entries = NULL;
+ tl->ecount = tl->elen = 0;
+ return 0;
+}
+
+static ID
+ldif_tool_entry_next( BackendDB *be )
+{
+ struct ldif_tool *tl = &((struct ldif_info *) be->be_private)->li_tool;
+
+ do {
+ Entry *e = tl->entries[ tl->ecurrent ];
+
+ if ( tl->ecurrent >= tl->ecount ) {
+ return NOID;
+ }
+
+ ++tl->ecurrent;
+
+ if ( tl->tl_base && !dnIsSuffixScope( &e->e_nname, tl->tl_base, tl->tl_scope ) ) {
+ continue;
+ }
+
+ if ( tl->tl_filter && test_filter( NULL, e, tl->tl_filter ) != LDAP_COMPARE_TRUE ) {
+ continue;
+ }
+
+ break;
+ } while ( 1 );
+
+ return tl->ecurrent;
+}
+
+static ID
+ldif_tool_entry_first_x( BackendDB *be, struct berval *base, int scope, Filter *f )
+{
+ struct ldif_tool *tl = &((struct ldif_info *) be->be_private)->li_tool;
+
+ tl->tl_base = base;
+ tl->tl_scope = scope;
+ tl->tl_filter = f;
+
+ if ( tl->entries == NULL ) {
+ Operation op = {0};
+
+ op.o_bd = be;
+ op.o_req_dn = *be->be_suffix;
+ op.o_req_ndn = *be->be_nsuffix;
+ op.ors_scope = LDAP_SCOPE_SUBTREE;
+ if ( search_tree( &op, NULL ) != LDAP_SUCCESS ) {
+ tl->ecurrent = tl->ecount; /* fail ldif_tool_entry_next() */
+ return NOID; /* fail ldif_tool_entry_get() */
+ }
+ }
+ return ldif_tool_entry_next( be );
+}
+
+static ID
+ldif_tool_dn2id_get( BackendDB *be, struct berval *dn )
+{
+ struct ldif_tool *tl = &((struct ldif_info *) be->be_private)->li_tool;
+
+ Operation op = {0};
+
+ op.o_bd = be;
+ op.o_req_dn = *dn;
+ op.o_req_ndn = *dn;
+ op.ors_scope = LDAP_SCOPE_BASE;
+ if ( search_tree( &op, NULL ) != LDAP_SUCCESS ) {
+ return NOID;
+ }
+ return tl->ecount;
+}
+
+static Entry *
+ldif_tool_entry_get( BackendDB *be, ID id )
+{
+ struct ldif_tool *tl = &((struct ldif_info *) be->be_private)->li_tool;
+ Entry *e = NULL;
+
+ --id;
+ if ( id < tl->ecount ) {
+ e = tl->entries[id];
+ }
+ return e;
+}
+
+static ID
+ldif_tool_entry_put( BackendDB *be, Entry *e, struct berval *text )
+{
+ int rc;
+ const char *errmsg = NULL;
+ struct berval path;
+ char *parentdir;
+ Operation op = {0};
+
+ op.o_bd = be;
+ rc = ldif_prepare_create( &op, e, &path, &parentdir, &errmsg );
+ if ( rc == LDAP_SUCCESS ) {
+ rc = ldif_write_entry( &op, e, &path, parentdir, &errmsg );
+
+ SLAP_FREE( path.bv_val );
+ if ( parentdir != NULL )
+ SLAP_FREE( parentdir );
+ if ( rc == LDAP_SUCCESS )
+ return 1;
+ }
+
+ if ( errmsg == NULL && rc != LDAP_OTHER )
+ errmsg = ldap_err2string( rc );
+ if ( errmsg != NULL )
+ snprintf( text->bv_val, text->bv_len, "%s", errmsg );
+ return NOID;
+}
+
+static ID
+ldif_tool_entry_modify( BackendDB *be, Entry *e, struct berval *text )
+{
+ int rc;
+ const char *errmsg = NULL;
+ struct berval path;
+ Operation op = {0};
+
+ op.o_bd = be;
+ ndn2path( &op, &e->e_nname, &path, 0 );
+ rc = ldif_write_entry( &op, e, &path, NULL, &errmsg );
+ SLAP_FREE( path.bv_val );
+ if ( rc == LDAP_SUCCESS )
+ return 1;
+
+ if ( errmsg == NULL && rc != LDAP_OTHER )
+ errmsg = ldap_err2string( rc );
+ if ( errmsg != NULL )
+ snprintf( text->bv_val, text->bv_len, "%s", errmsg );
+ return NOID;
+}
+
+static int
+ldif_tool_entry_delete( BackendDB *be, struct berval *ndn, struct berval *text )
+{
+ int rc = LDAP_SUCCESS;
+ const char *errmsg = NULL;
+ struct berval path;
+ Operation op = {0};
+
+ op.o_bd = be;
+ ndn2path( &op, ndn, &path, 0 );
+
+ ldif2dir_len( path );
+ ldif2dir_name( path );
+ if ( rmdir( path.bv_val ) < 0 ) {
+ switch ( errno ) {
+ case ENOTEMPTY:
+ rc = LDAP_NOT_ALLOWED_ON_NONLEAF;
+ break;
+ case ENOENT:
+ /* is leaf, go on */
+ break;
+ default:
+ rc = LDAP_OTHER;
+ errmsg = "internal error (cannot delete subtree directory)";
+ break;
+ }
+ }
+
+ if ( rc == LDAP_SUCCESS ) {
+ dir2ldif_name( path );
+ if ( unlink( path.bv_val ) < 0 ) {
+ rc = LDAP_NO_SUCH_OBJECT;
+ if ( errno != ENOENT ) {
+ rc = LDAP_OTHER;
+ errmsg = "internal error (cannot delete entry file)";
+ }
+ }
+ }
+
+ SLAP_FREE( path.bv_val );
+
+ if ( errmsg == NULL && rc != LDAP_OTHER )
+ errmsg = ldap_err2string( rc );
+ if ( errmsg != NULL )
+ snprintf( text->bv_val, text->bv_len, "%s", errmsg );
+ return rc;
+}
+
+
+/* Setup */
+
+static int
+ldif_back_db_init( BackendDB *be, ConfigReply *cr )
+{
+ struct ldif_info *li;
+
+ li = ch_calloc( 1, sizeof(struct ldif_info) );
+ be->be_private = li;
+ be->be_cf_ocs = ldifocs;
+ ldap_pvt_thread_mutex_init( &li->li_modop_mutex );
+ ldap_pvt_thread_rdwr_init( &li->li_rdwr );
+ SLAP_DBFLAGS( be ) |= SLAP_DBFLAG_ONE_SUFFIX;
+ return 0;
+}
+
+static int
+ldif_back_db_destroy( Backend *be, ConfigReply *cr )
+{
+ struct ldif_info *li = be->be_private;
+
+ ch_free( li->li_base_path.bv_val );
+ ldap_pvt_thread_rdwr_destroy( &li->li_rdwr );
+ ldap_pvt_thread_mutex_destroy( &li->li_modop_mutex );
+ free( be->be_private );
+ return 0;
+}
+
+static int
+ldif_back_db_open( Backend *be, ConfigReply *cr )
+{
+ struct ldif_info *li = (struct ldif_info *) be->be_private;
+ if( BER_BVISEMPTY(&li->li_base_path)) {/* missing base path */
+ Debug( LDAP_DEBUG_ANY, "missing base path for back-ldif\n" );
+ return 1;
+ }
+ return 0;
+}
+
+int
+ldif_back_initialize( BackendInfo *bi )
+{
+ static char *controls[] = {
+ LDAP_CONTROL_MANAGEDSAIT,
+ NULL
+ };
+ int rc;
+
+ bi->bi_flags |=
+ SLAP_BFLAG_INCREMENT |
+ SLAP_BFLAG_REFERRALS;
+
+ bi->bi_controls = controls;
+
+ bi->bi_open = 0;
+ bi->bi_close = 0;
+ bi->bi_config = 0;
+ bi->bi_destroy = 0;
+
+ bi->bi_db_init = ldif_back_db_init;
+ bi->bi_db_config = config_generic_wrapper;
+ bi->bi_db_open = ldif_back_db_open;
+ bi->bi_db_close = 0;
+ bi->bi_db_destroy = ldif_back_db_destroy;
+
+ bi->bi_op_bind = ldif_back_bind;
+ bi->bi_op_unbind = 0;
+ bi->bi_op_search = ldif_back_search;
+ bi->bi_op_compare = 0;
+ bi->bi_op_modify = ldif_back_modify;
+ bi->bi_op_modrdn = ldif_back_modrdn;
+ bi->bi_op_add = ldif_back_add;
+ bi->bi_op_delete = ldif_back_delete;
+ bi->bi_op_abandon = 0;
+
+ bi->bi_extended = 0;
+
+ bi->bi_chk_referrals = ldif_back_referrals;
+
+ bi->bi_connection_init = 0;
+ bi->bi_connection_destroy = 0;
+
+ bi->bi_entry_get_rw = ldif_back_entry_get;
+ bi->bi_entry_release_rw = ldif_back_entry_release_rw;
+
+#if 0 /* NOTE: uncomment to completely disable access control */
+ bi->bi_access_allowed = slap_access_always_allowed;
+#endif
+
+ bi->bi_tool_entry_open = ldif_tool_entry_open;
+ bi->bi_tool_entry_close = ldif_tool_entry_close;
+ bi->bi_tool_entry_first = backend_tool_entry_first;
+ bi->bi_tool_entry_first_x = ldif_tool_entry_first_x;
+ bi->bi_tool_entry_next = ldif_tool_entry_next;
+ bi->bi_tool_dn2id_get = ldif_tool_dn2id_get;
+ bi->bi_tool_entry_get = ldif_tool_entry_get;
+ bi->bi_tool_entry_put = ldif_tool_entry_put;
+ bi->bi_tool_entry_modify = ldif_tool_entry_modify;
+ bi->bi_tool_entry_delete = ldif_tool_entry_delete;
+ bi->bi_tool_entry_reindex = 0;
+ bi->bi_tool_sync = 0;
+
+ bi->bi_cf_ocs = ldifocs;
+
+ rc = config_register_schema( ldifcfg, ldifocs );
+ if ( rc ) return rc;
+ return 0;
+}