static char *filter_add_strn(char *f, char *flimit, char *v, size_t vlen)
/* Copy v into f. If flimit is too small, return NULL;
* otherwise return (f + vlen).
*/
{
auto size_t flen = flimit - f;
if (vlen > flen) { /* flimit is too small */
if (flen > 0) SAFEMEMCPY(f, v, flen);
return NULL;
}
if (vlen > 0) SAFEMEMCPY(f, v, vlen);
return f + vlen;
}
static int ldap_control_copy_contents(LDAPControl *ctrl_dst,
LDAPControl *ctrl_src)
{
size_t len;
if (NULL == ctrl_dst || NULL == ctrl_src) {
return (LDAP_PARAM_ERROR);
}
ctrl_dst->ldctl_iscritical = ctrl_src->ldctl_iscritical;
/* fill in the fields of this new control */
if ((ctrl_dst->ldctl_oid = strdup(ctrl_src->ldctl_oid)) == NULL) {
return (LDAP_NO_MEMORY);
}
len = (size_t)(ctrl_src->ldctl_value).bv_len;
if (ctrl_src->ldctl_value.bv_val == NULL || len <= 0) {
ctrl_dst->ldctl_value.bv_len = 0;
ctrl_dst->ldctl_value.bv_val = NULL;
} else {
ctrl_dst->ldctl_value.bv_len = len;
if ((ctrl_dst->ldctl_value.bv_val = malloc(len))
== NULL) {
free(ctrl_dst->ldctl_oid);
return (LDAP_NO_MEMORY);
}
SAFEMEMCPY(ctrl_dst->ldctl_value.bv_val,
ctrl_src->ldctl_value.bv_val, len);
}
return (LDAP_SUCCESS);
}
static int
add_addr( LDAP *ld, struct sockaddr *sap )
{
struct sockaddr *newsap, **addrs;
if (( newsap = (struct sockaddr *)malloc( sizeof( struct sockaddr )))
== NULL ) {
ld->ld_errno = LDAP_NO_MEMORY;
return( -1 );
}
if ( ld->ld_sb.sb_naddr == 0 ) {
addrs = (struct sockaddr **)malloc( sizeof(struct sockaddr *));
} else {
addrs = (struct sockaddr **)realloc( ld->ld_sb.sb_addrs,
( ld->ld_sb.sb_naddr + 1 ) * sizeof(struct sockaddr *));
}
if ( addrs == NULL ) {
free( newsap );
ld->ld_errno = LDAP_NO_MEMORY;
return( -1 );
}
SAFEMEMCPY( (char *)newsap, (char *)sap, sizeof( struct sockaddr ));
addrs[ ld->ld_sb.sb_naddr++ ] = newsap;
ld->ld_sb.sb_addrs = (void **)addrs;
return( 0 );
}
/*
* duplicate the contents of "ctrl_src" and place in "ctrl_dst"
*/
static int
/* LDAP_CALL */ /* keep this routine internal for now */
ldap_control_copy_contents( LDAPControl *ctrl_dst, LDAPControl *ctrl_src )
{
size_t len;
if ( NULL == ctrl_dst || NULL == ctrl_src ) {
return( LDAP_PARAM_ERROR );
}
ctrl_dst->ldctl_iscritical = ctrl_src->ldctl_iscritical;
/* fill in the fields of this new control */
if (( ctrl_dst->ldctl_oid = nsldapi_strdup( ctrl_src->ldctl_oid ))
== NULL ) {
return( LDAP_NO_MEMORY );
}
len = (size_t)(ctrl_src->ldctl_value).bv_len;
if ( ctrl_src->ldctl_value.bv_val == NULL || len <= 0 ) {
ctrl_dst->ldctl_value.bv_len = 0;
ctrl_dst->ldctl_value.bv_val = NULL;
} else {
ctrl_dst->ldctl_value.bv_len = len;
if (( ctrl_dst->ldctl_value.bv_val = NSLDAPI_MALLOC( len ))
== NULL ) {
NSLDAPI_FREE( ctrl_dst->ldctl_oid );
return( LDAP_NO_MEMORY );
}
SAFEMEMCPY( ctrl_dst->ldctl_value.bv_val,
ctrl_src->ldctl_value.bv_val, len );
}
return ( LDAP_SUCCESS );
}
LDAP *
cldap_open( char *host, int port )
{
int s;
in_addr_t address;
struct sockaddr_in sock;
struct hostent *hp;
LDAP *ld;
char *p;
int i;
#ifdef SUN
struct hostent hpret;
char hpbuf[NSS_BUFLEN_HOSTS];
int hperrno;
#endif
in_addr_t inet_addr(const char *);
int close(int);
Debug( LDAP_DEBUG_TRACE, catgets(slapdcat, 1, 113, "ldap_open\n"), 0, 0, 0 );
if ( port == 0 ) {
port = LDAP_PORT;
}
if ( (s = socket( AF_INET, SOCK_DGRAM, 0 )) < 0 ) {
return( NULL );
}
sock.sin_addr.s_addr = 0;
sock.sin_family = AF_INET;
sock.sin_port = 0;
if ( bind(s, (struct sockaddr *) &sock, sizeof(sock)) < 0) {
close( s );
return( NULL );
}
if (( ld = ldap_init( host, port )) == NULL ) {
close( s );
return( NULL );
}
if ( (ld->ld_sb.sb_fromaddr = (void *) calloc( 1,
sizeof( struct sockaddr ))) == NULL ) {
free( ld );
close( s );
return( NULL );
}
ld->ld_sb.sb_sd = s;
ld->ld_sb.sb_naddr = 0;
ld->ld_version = LDAP_VERSION;
sock.sin_family = AF_INET;
sock.sin_port = htons( port );
/*
* 'host' may be a space-separated list.
*/
if ( host != NULL ) {
for ( ; host != NULL; host = p ) {
if (( p = strchr( host, ' ' )) != NULL ) {
for (*p++ = '\0'; *p == ' '; p++) {
;
}
}
if ( (address = inet_addr( host )) == -1 ) {
#ifdef SUN
if ( (hp = gethostbyname_r( host, &hpret, hpbuf, NSS_BUFLEN_HOSTS, &hperrno)) == NULL ) {
errno = EHOSTUNREACH;
continue;
}
#else
if ( (hp = gethostbyname( host )) == NULL ) {
errno = EHOSTUNREACH;
continue;
}
#endif
for ( i = 0; hp->h_addr_list[ i ] != 0; ++i ) {
SAFEMEMCPY( (char *)&sock.sin_addr.s_addr,
(char *)hp->h_addr_list[ i ],
sizeof(sock.sin_addr.s_addr));
if ( add_addr( ld, (struct sockaddr *)&sock ) < 0 ) {
close( s );
free( ld );
return( NULL );
}
}
} else {
sock.sin_addr.s_addr = address;
if ( add_addr( ld, (struct sockaddr *)&sock ) < 0 ) {
close( s );
free( ld );
return( NULL );
}
}
if ( ld->ld_host == NULL ) {
ld->ld_host = strdup( host );
}
}
} else {
address = INADDR_LOOPBACK;
sock.sin_addr.s_addr = htonl( address );
if ( add_addr( ld, (struct sockaddr *)&sock ) < 0 ) {
close( s );
free( ld );
return( NULL );
}
}
if ( ld->ld_sb.sb_addrs == NULL
#ifdef LDAP_REFERRALS
|| ( ld->ld_defconn = new_connection( ld, NULL, 1,0,0 )) == NULL
#endif /* LDAP_REFERRALS */
) {
free( ld );
return( NULL );
}
ld->ld_sb.sb_useaddr = ld->ld_sb.sb_addrs[ 0 ];
cldap_setretryinfo( ld, 0, 0 );
#ifdef LDAP_DEBUG
putchar( '\n' );
for ( i = 0; i < ld->ld_sb.sb_naddr; ++i ) {
Debug( LDAP_DEBUG_TRACE, catgets(slapdcat, 1, 114, "end of cldap_open address %1$d is %2$s\n"),
i, inet_ntoa( ((struct sockaddr_in *)
ld->ld_sb.sb_addrs[ i ])->sin_addr ), 0 );
}
#endif
return( ld );
}
LDAP_CALL
ldap_init( const char *defhost, int defport )
{
LDAP *ld;
if ( !nsldapi_initialized ) {
nsldapi_initialize_defaults();
}
if ( defport < 0 || defport > LDAP_PORT_MAX ) {
LDAPDebug( LDAP_DEBUG_ANY,
"ldap_init: port %d is invalid (port numbers must range from 1 to %d)\n",
defport, LDAP_PORT_MAX, 0 );
#if !defined( macintosh ) && !defined( DOS )
errno = EINVAL;
#endif
return( NULL );
}
LDAPDebug( LDAP_DEBUG_TRACE, "ldap_init\n", 0, 0, 0 );
if ( (ld = (LDAP*)NSLDAPI_MALLOC( sizeof(struct ldap) )) == NULL ) {
return( NULL );
}
/* copy defaults */
SAFEMEMCPY( ld, &nsldapi_ld_defaults, sizeof( struct ldap ));
if ( nsldapi_ld_defaults.ld_io_fns_ptr != NULL ) {
if (( ld->ld_io_fns_ptr = (struct ldap_io_fns *)NSLDAPI_MALLOC(
sizeof( struct ldap_io_fns ))) == NULL ) {
NSLDAPI_FREE( (char *)ld );
return( NULL );
}
/* struct copy */
*(ld->ld_io_fns_ptr) = *(nsldapi_ld_defaults.ld_io_fns_ptr);
}
/* call the new handle I/O callback if one is defined */
if ( ld->ld_extnewhandle_fn != NULL ) {
/*
* We always pass the session extended I/O argument to
* the new handle callback.
*/
if ( ld->ld_extnewhandle_fn( ld, ld->ld_ext_session_arg )
!= LDAP_SUCCESS ) {
NSLDAPI_FREE( (char*)ld );
return( NULL );
}
}
/* allocate session-specific resources */
if (( ld->ld_sbp = ber_sockbuf_alloc()) == NULL ||
( defhost != NULL &&
( ld->ld_defhost = nsldapi_strdup( defhost )) == NULL ) ||
((ld->ld_mutex = (void **) NSLDAPI_CALLOC( LDAP_MAX_LOCK, sizeof(void *))) == NULL )) {
if ( ld->ld_sbp != NULL ) {
ber_sockbuf_free( ld->ld_sbp );
}
if( ld->ld_mutex != NULL ) {
NSLDAPI_FREE( ld->ld_mutex );
}
NSLDAPI_FREE( (char*)ld );
return( NULL );
}
/* install Sockbuf I/O functions if set in LDAP * */
if ( ld->ld_extread_fn != NULL || ld->ld_extwrite_fn != NULL ) {
struct lber_x_ext_io_fns lberiofns;
memset( &lberiofns, 0, sizeof( lberiofns ));
lberiofns.lbextiofn_size = LBER_X_EXTIO_FNS_SIZE;
lberiofns.lbextiofn_read = ld->ld_extread_fn;
lberiofns.lbextiofn_write = ld->ld_extwrite_fn;
lberiofns.lbextiofn_writev = ld->ld_extwritev_fn;
lberiofns.lbextiofn_socket_arg = NULL;
ber_sockbuf_set_option( ld->ld_sbp, LBER_SOCKBUF_OPT_EXT_IO_FNS,
(void *)&lberiofns );
}
#ifdef _SOLARIS_SDK
/* Install the functions for IPv6 support */
/* code sequencing is critical from here to nsldapi_mutex_alloc_all */
if ( prldap_install_thread_functions( ld, 1 ) != 0 ||
prldap_install_io_functions( ld, 1 ) != 0 ||
prldap_install_dns_functions( ld ) != 0 ) {
/* go through ld and free resources */
ldap_unbind( ld );
ld = NULL;
return( NULL );
}
#else
/* allocate mutexes */
nsldapi_mutex_alloc_all( ld );
#endif
/* set default port */
ld->ld_defport = ( defport == 0 ) ? LDAP_PORT : defport;
return( ld );
}
int
nsldapi_connect_to_host( LDAP *ld, Sockbuf *sb, char *host, unsigned long address,
int port, int async, int secure )
/*
* if host == NULL, connect using address
* "address" and "port" must be in network byte order
* zero is returned upon success, -1 if fatal error, -2 EINPROGRESS
* if -1 is returned, ld_errno is set
* async is only used ifndef NO_REFERRALS (non-0 means don't wait for connect)
* XXX async is not used yet!
*/
{
void *tcps;
short i;
int err;
InetHostInfo hi;
LDAPDebug( LDAP_DEBUG_TRACE, "connect_to_host: %s:%d\n",
( host == NULL ) ? "(by address)" : host, ntohs( port ), 0 );
/* Initialize OpenTransport, or find out from the host app whether it is installed */
(void)tcp_init();
if ( host != NULL && gethostinfobyname( host, &hi ) != noErr ) {
LDAP_SET_LDERRNO( ld, LDAP_CONNECT_ERROR, NULL, NULL );
return( -1 );
}
if ( ld->ld_socket_fn == NULL ) {
tcps = tcpopen( NULL, TCP_BUFSIZ );
} else {
tcps = ld->ld_socket_fn( AF_INET, SOCK_STREAM, 0 );
}
if ( tcps == NULL ) {
LDAP_SET_LDERRNO( ld, LDAP_LOCAL_ERROR, NULL, NULL );
return( -1 );
}
if ( secure && ld->ld_ssl_enable_fn( tcps ) < 0 ) {
if ( ld->ld_close_fn == NULL ) {
tcpclose( (tcpstream *)tcps );
} else {
ld->ld_close_fn( tcps );
}
LDAP_SET_LDERRNO( ld, LDAP_LOCAL_ERROR, NULL, NULL );
return( -1 );
}
for ( i = 0; host == NULL || hi.addrs[ i ] != 0; ++i ) {
if ( host != NULL ) {
SAFEMEMCPY( (char *)&address, (char *)&hi.addrs[ i ], sizeof( long ));
}
if ( ld->ld_connect_fn == NULL ) {
if ( tcpconnect( tcps, address, port ) == 0 ) {
err = -1;
} else {
err = 0;
}
} else {
struct sockaddr_in sin;
(void)memset( (char *)&sin, 0, sizeof( struct sockaddr_in ));
sin.sin_family = AF_INET;
sin.sin_port = port;
sin.sin_addr.s_addr = address;
err = ld->ld_connect_fn( tcps, (struct sockaddr *)&sin,
sizeof( struct sockaddr_in ));
}
if ( err == 0 ) {
sb->sb_sd = (void *)tcps;
return( 0 );
}
if ( host == NULL ) { /* using single address -- not hi.addrs array */
break;
}
}
LDAPDebug( LDAP_DEBUG_TRACE, "tcpconnect failed\n", 0, 0, 0 );
LDAP_SET_LDERRNO( ld, LDAP_CONNECT_ERROR, NULL, NULL );
LDAP_SET_ERRNO( ld, EHOSTUNREACH ); /* close enough */
if ( ld->ld_close_fn == NULL ) {
tcpclose( (tcpstream *)tcps );
} else {
ld->ld_close_fn( tcps );
}
return( -1 );
}
void
ldap_build_filter( char *filtbuf, unsigned long buflen, char *pattern,
char *prefix, char *suffix, char *attr, char *value, char **valwords )
{
char *p, *f;
size_t slen;
int i, wordcount, wordnum, endwordnum;
if ( valwords == NULL ) {
wordcount = 0;
} else {
for ( wordcount = 0; valwords[ wordcount ] != NULL; ++wordcount ) {
;
}
}
f = filtbuf;
if ( prefix != NULL ) {
strcpy( f, prefix );
f += strlen( prefix );
}
for ( p = pattern; *p != '\0'; ++p ) {
if ( *p == '%' ) {
++p;
if ( *p == 'v' ) {
if ( isdigit( *(p+1))) {
++p;
wordnum = *p - '1';
if ( *(p+1) == '-' ) {
++p;
if ( isdigit( *(p+1))) {
++p;
endwordnum = *p - '1'; /* e.g., "%v2-4" */
if ( endwordnum > wordcount - 1 ) {
endwordnum = wordcount - 1;
}
} else {
endwordnum = wordcount - 1; /* e.g., "%v2-" */
}
} else {
endwordnum = wordnum; /* e.g., "%v2" */
}
if ( wordcount > 0 ) {
for ( i = wordnum; i <= endwordnum; ++i ) {
if ( i > wordnum ) { /* add blank btw words */
*f++ = ' ';
}
slen = strlen( valwords[ i ] );
SAFEMEMCPY( f, valwords[ i ], slen );
f += slen;
}
}
} else if ( *(p+1) == '$' ) {
++p;
if ( wordcount > 0 ) {
wordnum = wordcount - 1;
slen = strlen( valwords[ wordnum ] );
SAFEMEMCPY( f, valwords[ wordnum ], slen );
f += slen;
}
} else if ( value != NULL ) {
slen = strlen( value );
SAFEMEMCPY( f, value, slen );
f += slen;
}
} else if ( *p == 'a' && attr != NULL ) {
slen = strlen( attr );
SAFEMEMCPY( f, attr, slen );
f += slen;
} else {
*f++ = *p;
}
} else {
*f++ = *p;
}
if ( (unsigned long) (f - filtbuf) > buflen ) {
/* sanity check */
--f;
break;
}
}
if ( suffix != NULL && (unsigned long) ( f - filtbuf ) < buflen ) {
strcpy( f, suffix );
} else {
*f = '\0';
}
}
/*
* Populate *bvp from "value" of length "vlen."
*
* If recognize_url_syntax is non-zero, :<fileurl is recognized.
* If always_try_file is recognized and no file URL was found, an
* attempt is made to stat and read the value as if it were the name
* of a file.
*
* If reporterrs is non-zero, specific error messages are printed to
* stderr.
*
* If successful, LDAPTOOL_FILEURL_SUCCESS is returned and bvp->bv_len
* and bvp->bv_val are set (the latter is set to malloc'd memory).
* Upon failure, a different LDAPTOOL_FILEURL_ error code is returned.
*/
int
ldaptool_berval_from_ldif_value( const char *value, int vlen,
struct berval *bvp, int recognize_url_syntax, int always_try_file,
int reporterrs )
{
int rc = LDAPTOOL_FILEURL_SUCCESS; /* optimistic */
const char *url = NULL;
struct stat fstats;
/* recognize "attr :< url" syntax if LDIF version is >= 1 */
if ( recognize_url_syntax && *value == '<' ) {
for ( url = value + 1; isspace( *url ); ++url ) {
; /* NULL */
}
if (strlen(url) < 6 || strncasecmp(url, "file:/", 6) != 0) {
/*
* We only support file:// like URLs for now.
*/
url = NULL;
}
}
if ( NULL != url ) {
char *path;
rc = ldaptool_fileurl2path( url, &path );
switch( rc ) {
case LDAPTOOL_FILEURL_NOTAFILEURL:
if ( reporterrs ) fprintf( stderr, "%s: unsupported URL \"%s\";"
" use a file:// URL instead.\n", ldaptool_progname, url );
break;
case LDAPTOOL_FILEURL_MISSINGPATH:
if ( reporterrs ) fprintf( stderr,
"%s: unable to process URL \"%s\" --"
" missing path.\n", ldaptool_progname, url );
break;
case LDAPTOOL_FILEURL_NONLOCAL:
if ( reporterrs ) fprintf( stderr,
"%s: unable to process URL \"%s\" -- only"
" local file:// URLs are supported.\n",
ldaptool_progname, url );
break;
case LDAPTOOL_FILEURL_NOMEMORY:
if ( reporterrs ) perror( "ldaptool_fileurl2path" );
break;
case LDAPTOOL_FILEURL_SUCCESS:
if ( stat( path, &fstats ) != 0 ) {
if ( reporterrs ) perror( path );
} else if ( fstats.st_mode & S_IFDIR ) {
if ( reporterrs ) fprintf( stderr,
"%s: %s is a directory, not a file\n",
ldaptool_progname, path );
rc = LDAPTOOL_FILEURL_FILEIOERROR;
} else {
rc = berval_from_file( path, bvp, reporterrs );
}
free( path );
break;
default:
if ( reporterrs ) fprintf( stderr,
"%s: unable to process URL \"%s\""
" -- unknown error\n", ldaptool_progname, url );
}
} else if ( always_try_file && (stat( value, &fstats ) == 0) &&
!(fstats.st_mode & S_IFDIR)) { /* get value from file */
rc = berval_from_file( value, bvp, reporterrs );
} else { /* use value as-is */
bvp->bv_len = vlen;
if (( bvp->bv_val = (char *)malloc( vlen + 1 )) == NULL ) {
if ( reporterrs ) perror( "malloc" );
rc = LDAPTOOL_FILEURL_NOMEMORY;
} else {
SAFEMEMCPY( bvp->bv_val, value, vlen );
bvp->bv_val[ vlen ] = '\0';
}
}
return( rc );
}
