X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=libraries%2Flibldap%2Fgetdxbyname.c;h=0f5ba3c4578c1cfad9bd6c32f14a3bb10e69266f;hb=8045b54124f0365b3d34d9d3220256f052f2b76b;hp=c31d926374b09d9dea095cdb43e01f92cd2d7691;hpb=c24d932b02e97472a67f7e71e01b3963469e3e77;p=openldap diff --git a/libraries/libldap/getdxbyname.c b/libraries/libldap/getdxbyname.c index c31d926374..0f5ba3c457 100644 --- a/libraries/libldap/getdxbyname.c +++ b/libraries/libldap/getdxbyname.c @@ -1,4 +1,9 @@ +/* $OpenLDAP$ */ /* + * Copyright 1998-2000 The OpenLDAP Foundation, All Rights Reserved. + * COPYING RESTRICTIONS APPLY, see COPYRIGHT file + */ +/* Portions * Copyright (c) 1995 Regents of the University of Michigan. * All rights reserved. * @@ -10,7 +15,7 @@ #ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_DNS #include -#include +#include #include #include @@ -19,7 +24,7 @@ #include "ldap-int.h" -static char ** decode_answer LDAP_P(( unsigned char *answer, int len )); +static char ** decode_answer LDAP_P(( unsigned char *answer, ber_len_t len )); #define MAX_TO_SORT 32 @@ -29,7 +34,7 @@ static char ** decode_answer LDAP_P(( unsigned char *answer, int len )); * array. */ char ** -ldap_getdxbyname( char *domain ) +ldap_getdxbyname( const char *domain ) { unsigned char buf[ PACKETSZ ]; char **dxs; @@ -39,15 +44,19 @@ ldap_getdxbyname( char *domain ) memset( buf, 0, sizeof( buf )); +#ifdef LDAP_R_COMPILE + ldap_pvt_thread_mutex_lock(&ldap_int_resolv_mutex); +#endif + if (( rc = res_search( domain, C_IN, T_TXT, buf, sizeof( buf ))) < 0 || ( dxs = decode_answer( buf, rc )) == NULL ) { /* * punt: return list conisting of the original domain name only */ - if (( dxs = (char **)malloc( 2 * sizeof( char * ))) == NULL || - ( dxs[ 0 ] = ldap_strdup( domain )) == NULL ) { + if (( dxs = (char **)LDAP_MALLOC( 2 * sizeof( char * ))) == NULL || + ( dxs[ 0 ] = LDAP_STRDUP( domain )) == NULL ) { if ( dxs != NULL ) { - free( dxs ); + LDAP_FREE( dxs ); } dxs = NULL; } else { @@ -55,12 +64,16 @@ ldap_getdxbyname( char *domain ) } } +#ifdef LDAP_R_COMPILE + ldap_pvt_thread_mutex_unlock(&ldap_int_resolv_mutex); +#endif + return( dxs ); } static char ** -decode_answer( unsigned char *answer, int len ) +decode_answer( unsigned char *answer, ber_len_t len ) { HEADER *hp; char buf[ 256 ], **dxs; @@ -119,7 +132,7 @@ decode_answer( unsigned char *answer, int len ) rr_len = _getshort( p ); p += INT16SZ; if ( class == C_IN && type == T_TXT ) { - int i, n, pref, txt_len; + int pref, txt_len; char *q, *r; q = (char *)p; @@ -127,12 +140,12 @@ decode_answer( unsigned char *answer, int len ) if ( *q >= 3 && strncasecmp( q + 1, "dx:", 3 ) == 0 ) { txt_len = *q - 3; r = q + 4; - while ( isspace( *r )) { + while ( isspace( (unsigned char) *r )) { ++r; --txt_len; } pref = 0; - while ( isdigit( *r )) { + while ( isdigit( (unsigned char) *r )) { pref *= 10; pref += ( *r - '0' ); ++r; @@ -141,18 +154,14 @@ decode_answer( unsigned char *answer, int len ) if ( dx_count < MAX_TO_SORT - 1 ) { dx_pref[ dx_count ] = pref; } - while ( isspace( *r )) { + while ( isspace( (unsigned char) *r )) { ++r; --txt_len; } - if ( dx_count == 0 ) { - dxs = (char **)malloc( 2 * sizeof( char * )); - } else { - dxs = (char **)realloc( dxs, + dxs = (char **)LDAP_REALLOC( dxs, ( dx_count + 2 ) * sizeof( char * )); - } if ( dxs == NULL || ( dxs[ dx_count ] = - (char *)calloc( 1, txt_len + 1 )) == NULL ) { + (char *)LDAP_CALLOC( 1, txt_len + 1 )) == NULL ) { err = NO_RECOVERY; continue; }