+/* $OpenLDAP$ */
/*
- * Copyright 1998-1999 The OpenLDAP Foundation, All Rights Reserved.
+ * Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved.
* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
*/
/*
#include "portable.h"
-#include <stdlib.h>
+#include <ac/stdlib.h>
#include <ac/errno.h>
#include <ac/socket.h>
#include <ac/string.h>
#include <ac/time.h>
+#include <ac/unistd.h>
#include "ldap-int.h"
-#if defined( LDAP_R_COMPILE )
-# include <ldap_pvt_thread.h>
-#else
+#if !defined( LDAP_R_COMPILE )
# undef HAVE_REENTRANT_FUNCTIONS
-#endif
+# undef HAVE_CTIME_R
+# undef HAVE_GETHOSTBYNAME_R
+# undef HAVE_GETHOSTBYADDR_R
+
+#else
+# include <ldap_pvt_thread.h>
#if (defined( HAVE_CTIME_R ) || defined( HAVE_REENTRANT_FUNCTIONS)) \
&& defined( CTIME_R_NARGS )
# define USE_CTIME_R
+#else
+ static ldap_pvt_thread_mutex_t ldap_int_ctime_mutex;
#endif
#if defined(HAVE_GETHOSTBYNAME_R) && \
- (GETHOSTBYNAME_R_NARGS > 6 || GETHOSTBYNAME_R_NARGS < 5)
+ (GETHOSTBYNAME_R_NARGS < 5) || (6 < GETHOSTBYNAME_R_NARGS)
/* Don't know how to handle this version, pretend it's not there */
# undef HAVE_GETHOSTBYNAME_R
#endif
#if defined(HAVE_GETHOSTBYADDR_R) && \
- (GETHOSTBYADDR_R_NARGS > 8 || GETHOSTBYADDR_R_NARGS < 7)
+ (GETHOSTBYADDR_R_NARGS < 7) || (8 < GETHOSTBYADDR_R_NARGS)
/* Don't know how to handle this version, pretend it's not there */
# undef HAVE_GETHOSTBYADDR_R
#endif
-#ifdef LDAP_R_COMPILE
-# ifndef USE_CTIME_R
- static ldap_pvt_thread_mutex_t ldap_int_ctime_mutex;
-# endif
-# ifndef HAVE_GETHOSTBYNAME_R
- static ldap_pvt_thread_mutex_t ldap_int_gethostbyname_mutex;
-# endif
-# ifndef HAVE_GETHOSTBYADDR_R
- static ldap_pvt_thread_mutex_t ldap_int_gethostbyaddr_mutex;
-# endif
+ ldap_pvt_thread_mutex_t ldap_int_resolv_mutex;
#endif /* LDAP_R_COMPILE */
char *ldap_pvt_ctime( const time_t *tp, char *buf )
{
#ifdef USE_CTIME_R
# if (CTIME_R_NARGS > 3) || (CTIME_R_NARGS < 2)
- choke me! nargs should have 2 or 3
+# error "CTIME_R_NARGS should be 2 or 3"
# elif CTIME_R_NARGS > 2 && defined(CTIME_R_RETURNS_INT)
return( ctime_r(tp,buf,26) < 0 ? 0 : buf );
# elif CTIME_R_NARGS > 2
# endif
#else
+
# ifdef LDAP_R_COMPILE
ldap_pvt_thread_mutex_lock( &ldap_int_ctime_mutex );
# endif
- memcpy( buf, ctime(tp), 26 );
+
+ AC_MEMCPY( buf, ctime(tp), 26 );
+
# ifdef LDAP_R_COMPILE
ldap_pvt_thread_mutex_unlock( &ldap_int_ctime_mutex );
# endif
+
return buf;
#endif
}
-#define BUFSTART 1024
-#define BUFMAX (32*1024)
+#define BUFSTART (1024-32)
+#define BUFMAX (32*1024-32)
static char *safe_realloc( char **buf, int len );
-static int copy_hostent( struct hostent *res, char **buf, struct hostent * src );
+
+#if !defined(HAVE_GETHOSTBYNAME_R) && defined(LDAP_R_COMPILE)
+static int copy_hostent( struct hostent *res,
+ char **buf, struct hostent * src );
+#endif
int ldap_pvt_gethostbyname_a(
const char *name,
return r;
#if (GETHOSTBYNAME_R_NARGS < 6)
- r = ((*result=gethostbyname_r( name, resbuf, *buf,\
- buflen, herrno_ptr ))== NULL) ?\
+ r = ((*result=gethostbyname_r( name, resbuf, *buf,
+ buflen, herrno_ptr ))== NULL) ?
-1 : 0;
#else
r = gethostbyname_r( name, resbuf, *buf,
buflen, result, herrno_ptr );
#endif
- Debug( LDAP_DEBUG_TRACE, "ldap_pvt_gethostbyname_a: host=%s, r=%d\n",\
+ Debug( LDAP_DEBUG_TRACE, "ldap_pvt_gethostbyname_a: host=%s, r=%d\n",
name, r, 0 );
#ifdef NETDB_INTERNAL
# define NEED_COPY_HOSTENT
struct hostent *he;
int retval;
+ *buf = NULL;
- ldap_pvt_thread_mutex_lock( &ldap_int_gethostbyname_mutex );
+ ldap_pvt_thread_mutex_lock( &ldap_int_resolv_mutex );
he = gethostbyname( name );
retval = 0;
}
- ldap_pvt_thread_mutex_unlock( &ldap_int_gethostbyname_mutex );
+ ldap_pvt_thread_mutex_unlock( &ldap_int_resolv_mutex );
return retval;
#else
+ *buf = NULL;
*result = gethostbyname( name );
if (*result!=NULL) {
#if (GETHOSTBYADDR_R_NARGS < 8)
r = ((*result=gethostbyaddr_r( addr, len, type,
resbuf, *buf, buflen,
- herrno_ptr )) == NULL) ?\
+ herrno_ptr )) == NULL) ?
-1 : 0;
#else
r = gethostbyaddr_r( addr, len, type,
# define NEED_COPY_HOSTENT
struct hostent *he;
int retval;
+ *buf = NULL;
- ldap_pvt_thread_mutex_lock( &ldap_int_gethostbyaddr_mutex );
+ ldap_pvt_thread_mutex_lock( &ldap_int_resolv_mutex );
he = gethostbyaddr( addr, len, type );
retval = 0;
}
- ldap_pvt_thread_mutex_unlock( &ldap_int_gethostbyaddr_mutex );
+ ldap_pvt_thread_mutex_unlock( &ldap_int_resolv_mutex );
- return retval;
+ return retval;
+
#else /* gethostbyaddr() */
+ *buf = NULL;
*result = gethostbyaddr( addr, len, type );
if (*result!=NULL) {
#endif
}
/*
- * ldap_pvt_init_utils() should be called before any other function.
+ * ldap_int_utils_init() should be called before any other function.
*/
-void ldap_pvt_init_utils( void )
+void ldap_int_utils_init( void )
{
static int done=0;
if (done)
done=1;
#ifdef LDAP_R_COMPILE
-
#if !defined( USE_CTIME_R ) && !defined( HAVE_REENTRANT_FUNCTIONS )
ldap_pvt_thread_mutex_init( &ldap_int_ctime_mutex );
#endif
-
-#if !defined( HAVE_GETHOSTBYNAME_R )
- ldap_pvt_thread_mutex_init( &ldap_int_gethostbyname_mutex );
-#endif
-
-#if !defined( HAVE_GETHOSTBYADDR_R )
- ldap_pvt_thread_mutex_init( &ldap_int_gethostbyaddr_mutex );
+ ldap_pvt_thread_mutex_init( &ldap_int_resolv_mutex );
#endif
/* call other module init functions here... */
-#endif
}
#if defined( NEED_COPY_HOSTENT )
char **tgt=*tgtio;
for( ; (*src) ; src++ ) {
len = strlen( *src ) + 1;
- memcpy( buf, *src, len );
+ AC_MEMCPY( buf, *src, len );
*tgt++=buf;
buf+=len;
}
{
char **tgt=*tgtio;
for( ; (*src) ; src++ ) {
- memcpy( buf, *src, len );
+ AC_MEMCPY( buf, *src, len );
*tgt++=buf;
buf+=len;
}
char **tp;
char *tbuf;
int name_len;
- int n_alias;
- int total_alias_len;
- int n_addr;
+ int n_alias=0;
+ int total_alias_len=0;
+ int n_addr=0;
int total_addr_len;
int total_len;
/* calculate the size needed for the buffer */
name_len = strlen( src->h_name ) + 1;
- for( n_alias=total_alias_len=0, p=src->h_aliases; (*p) ; p++ ) {
- total_alias_len += strlen( *p ) + 1;
- n_alias++;
+ if( src->h_aliases != NULL ) {
+ for( p = src->h_aliases; (*p) != NULL; p++ ) {
+ total_alias_len += strlen( *p ) + 1;
+ n_alias++;
+ }
}
- for( n_addr=0, p=src->h_addr_list; (*p) ; p++ ) {
- n_addr++;
+ if( src->h_addr_list != NULL ) {
+ for( p = src->h_addr_list; (*p) != NULL; p++ ) {
+ n_addr++;
+ }
+ total_addr_len = n_addr * src->h_length;
}
- total_addr_len = n_addr * src->h_length;
total_len = (n_alias + n_addr + 2) * sizeof( char * ) +
total_addr_len + total_alias_len + name_len;
if (safe_realloc( buf, total_len )) {
tp = (char **) *buf;
tbuf = *buf + (n_alias + n_addr + 2) * sizeof( char * );
- memcpy( res, src, sizeof( struct hostent ) );
+ AC_MEMCPY( res, src, sizeof( struct hostent ) );
/* first the name... */
- memcpy( tbuf, src->h_name, name_len );
+ AC_MEMCPY( tbuf, src->h_name, name_len );
res->h_name = tbuf; tbuf+=name_len;
/* now the aliases */
res->h_aliases = tp;
- tbuf = cpy_aliases( &tp, tbuf, src->h_aliases );
+ if ( src->h_aliases != NULL ) {
+ tbuf = cpy_aliases( &tp, tbuf, src->h_aliases );
+ }
*tp++=NULL;
/* finally the addresses */
res->h_addr_list = tp;
- tbuf = cpy_addresses( &tp, tbuf, src->h_addr_list, src->h_length );
+ if ( src->h_addr_list != NULL ) {
+ tbuf = cpy_addresses( &tp, tbuf, src->h_addr_list, src->h_length );
+ }
*tp++=NULL;
return 0;
}
static char *safe_realloc( char **buf, int len )
{
char *tmpbuf;
- tmpbuf = realloc( *buf, len );
+ tmpbuf = LDAP_REALLOC( *buf, len );
if (tmpbuf) {
*buf=tmpbuf;
}
}
#endif
+char * ldap_pvt_get_fqdn( char *name )
+{
+ char *fqdn, *ha_buf;
+ char hostbuf[MAXHOSTNAMELEN+1];
+ struct hostent *hp, he_buf;
+ int rc, local_h_errno;
+
+ if( name == NULL ) {
+ if( gethostname( hostbuf, MAXHOSTNAMELEN ) == 0 ) {
+ hostbuf[MAXHOSTNAMELEN] = '\0';
+ name = hostbuf;
+ } else {
+ name = "localhost";
+ }
+ }
+
+ rc = ldap_pvt_gethostbyname_a( name,
+ &he_buf, &ha_buf, &hp, &local_h_errno );
+ if( rc < 0 || hp == NULL || hp->h_name == NULL ) {
+ fqdn = LDAP_STRDUP( name );
+ } else {
+ fqdn = LDAP_STRDUP( hp->h_name );
+ }
+
+ LDAP_FREE( ha_buf );
+ return fqdn;
+}
+
+#if defined( HAVE_GETADDRINFO ) && !defined( HAVE_GAI_STRERROR )
+char *ldap_pvt_gai_strerror (int code) {
+ static struct {
+ int code;
+ const char *msg;
+ } values[] = {
+#ifdef EAI_ADDRFAMILY
+ { EAI_ADDRFAMILY, "Address family for hostname not supported" },
+#endif
+ { EAI_AGAIN, "Temporary failure in name resolution" },
+ { EAI_BADFLAGS, "Bad value for ai_flags" },
+ { EAI_FAIL, "Non-recoverable failure in name resolution" },
+ { EAI_FAMILY, "ai_family not supported" },
+ { EAI_MEMORY, "Memory allocation failure" },
+#ifdef EAI_NODATA
+ { EAI_NODATA, "No address associated with hostname" },
+#endif
+ { EAI_NONAME, "Name or service not known" },
+ { EAI_SERVICE, "Servname not supported for ai_socktype" },
+ { EAI_SOCKTYPE, "ai_socktype not supported" },
+ { EAI_SYSTEM, "System error" },
+ { 0, NULL }
+ };
+
+ int i;
+
+ for ( i = 0; values[i].msg != NULL; i++ ) {
+ if ( values[i].code == code ) {
+ return (char *) values[i].msg;
+ }
+ }
+
+ return "Unknown error";
+}
+#endif
projects / openldap / blobdiff