openldap/servers/slapd/back-shell/result.c
Kurt Zeilenga 3889e1d955 Add some EINTR logic to back-shell. Assumes fgets() handles
such errors in a particular manner.
2001-09-02 00:10:57 +00:00

117 lines
2.2 KiB
C

/* result.c - shell backend result reading function */
/* $OpenLDAP$ */
/*
* Copyright 1998-2000 The OpenLDAP Foundation, All Rights Reserved.
* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
*/
#include "portable.h"
#include <stdio.h>
#include <ac/errno.h>
#include <ac/string.h>
#include <ac/socket.h>
#include <ac/unistd.h>
#include "slap.h"
#include "shell.h"
int
read_and_send_results(
Backend *be,
Connection *conn,
Operation *op,
FILE *fp,
char **attrs,
int attrsonly
)
{
int bsize, len;
char *buf, *bp;
char line[BUFSIZ];
Entry *e;
int err;
char *matched, *info;
/* read in the result and send it along */
buf = (char *) ch_malloc( BUFSIZ );
buf[0] = '\0';
bsize = BUFSIZ;
bp = buf;
while ( !feof(fp) ) {
errno = 0;
if ( fgets( line, sizeof(line), fp ) == NULL ) {
if ( errno == EINTR ) continue;
Debug( LDAP_DEBUG_ANY, "shell: fgets failed: %s (%d)\n",
strerror(errno), errno, 0 );
break;
}
Debug( LDAP_DEBUG_SHELL, "shell search reading line (%s)\n",
line, 0, 0 );
/* ignore lines beginning with # (LDIFv1 comments) */
if ( *line == '#' ) {
continue;
}
/* ignore lines beginning with DEBUG: */
if ( strncasecmp( line, "DEBUG:", 6 ) == 0 ) {
continue;
}
len = strlen( line );
while ( bp + len - buf > bsize ) {
size_t offset = bp - buf;
bsize += BUFSIZ;
buf = (char *) ch_realloc( buf, bsize );
bp = &buf[offset];
}
strcpy( bp, line );
bp += len;
/* line marked the end of an entry or result */
if ( *line == '\n' ) {
if ( strncasecmp( buf, "RESULT", 6 ) == 0 ) {
break;
}
if ( (e = str2entry( buf )) == NULL ) {
Debug( LDAP_DEBUG_ANY, "str2entry(%s) failed\n",
buf, 0, 0 );
} else {
send_search_entry( be, conn, op, e, attrs,
attrsonly, NULL );
entry_free( e );
}
bp = buf;
}
}
(void) str2result( buf, &err, &matched, &info );
/* otherwise, front end will send this result */
if ( err != 0 || op->o_tag != LDAP_REQ_BIND ) {
send_ldap_result( conn, op, err, matched, info, NULL, NULL );
}
free( buf );
return( err );
}
void
print_suffixes(
FILE *fp,
Backend *be
)
{
int i;
for ( i = 0; be->be_suffix[i] != NULL; i++ ) {
fprintf( fp, "suffix: %s\n", be->be_suffix[i] );
}
}