X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=libraries%2Flibldap%2Futil-int.c;h=f0b5f72f04fe7950c8f7da7383b60aff8cdeaa0d;hb=7164c4c66215da39f03e353a9c72eba408abddbf;hp=962db37b480f57708005191fa1db056e0094b579;hpb=c34c42dec373e41065e753fcc3b13f3621ce835f;p=openldap diff --git a/libraries/libldap/util-int.c b/libraries/libldap/util-int.c index 962db37b48..f0b5f72f04 100644 --- a/libraries/libldap/util-int.c +++ b/libraries/libldap/util-int.c @@ -1,25 +1,28 @@ /* $OpenLDAP$ */ -/* - * Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved. - * COPYING RESTRICTIONS APPLY, see COPYRIGHT file +/* This work is part of OpenLDAP Software . + * + * Copyright 1998-2011 The OpenLDAP Foundation. + * Portions Copyright 1998 A. Hartgers. + * 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 + * . + */ +/* ACKNOWLEDGEMENTS: + * This work was initially developed by Bart Hartgers for inclusion in + * OpenLDAP Software. */ + /* * util-int.c Various functions to replace missing threadsafe ones. - * Without the real *_r funcs, things will - * work, but might not be threadsafe. - * - * Written by Bart Hartgers. - * - * Copyright 1998, A. Hartgers, All rights reserved. - * This software is not subject to any license of Eindhoven University of - * Technology, since it was written in my spare time. - * - * Redistribution and use in source and binary forms are permitted only - * as authorized by the OpenLDAP Public License. A copy of this - * license is available at http://www.OpenLDAP.org/license.html or - * in file LICENSE in the top-level directory of the distribution. - */ - + * Without the real *_r funcs, things will + * work, but might not be threadsafe. + */ #include "portable.h" @@ -40,6 +43,12 @@ extern int h_errno; #endif +#ifdef HAVE_HSTRERROR +# define HSTRERROR(e) hstrerror(e) +#else +# define HSTRERROR(e) hp_strerror(e) +#endif + #ifndef LDAP_R_COMPILE # undef HAVE_REENTRANT_FUNCTIONS # undef HAVE_CTIME_R @@ -50,13 +59,27 @@ extern int h_errno; # include ldap_pvt_thread_mutex_t ldap_int_resolv_mutex; -#if (defined( HAVE_CTIME_R ) || defined( HAVE_REENTRANT_FUNCTIONS)) \ - && defined( CTIME_R_NARGS ) -# define USE_CTIME_R +# 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 +/* USE_GMTIME_R and USE_LOCALTIME_R defined in ldap_pvt.h */ + +#ifdef LDAP_DEVEL + /* to be released with 2.5 */ +#if !defined( USE_GMTIME_R ) || !defined( USE_LOCALTIME_R ) + /* we use the same mutex for gmtime(3) and localtime(3) + * because implementations may use the same buffer + * for both functions */ + static ldap_pvt_thread_mutex_t ldap_int_gmtime_mutex; +#endif +#else /* ! LDAP_DEVEL */ + ldap_pvt_thread_mutex_t ldap_int_gmtime_mutex; +#endif /* ! LDAP_DEVEL */ + # if defined(HAVE_GETHOSTBYNAME_R) && \ (GETHOSTBYNAME_R_NARGS < 5) || (6 < GETHOSTBYNAME_R_NARGS) /* Don't know how to handle this version, pretend it's not there */ @@ -84,29 +107,219 @@ char *ldap_pvt_ctime( const time_t *tp, char *buf ) #else -# ifdef LDAP_R_COMPILE - ldap_pvt_thread_mutex_lock( &ldap_int_ctime_mutex ); -# endif - + LDAP_MUTEX_LOCK( &ldap_int_ctime_mutex ); AC_MEMCPY( buf, ctime(tp), 26 ); - -# ifdef LDAP_R_COMPILE - ldap_pvt_thread_mutex_unlock( &ldap_int_ctime_mutex ); -# endif + LDAP_MUTEX_UNLOCK( &ldap_int_ctime_mutex ); return buf; #endif } +#if !defined( USE_GMTIME_R ) || !defined( USE_LOCALTIME_R ) +int +ldap_pvt_gmtime_lock( void ) +{ +# ifndef LDAP_R_COMPILE + return 0; +# else /* LDAP_R_COMPILE */ + return ldap_pvt_thread_mutex_lock( &ldap_int_gmtime_mutex ); +# endif /* LDAP_R_COMPILE */ +} + +int +ldap_pvt_gmtime_unlock( void ) +{ +# ifndef LDAP_R_COMPILE + return 0; +# else /* LDAP_R_COMPILE */ + return ldap_pvt_thread_mutex_unlock( &ldap_int_gmtime_mutex ); +# endif /* LDAP_R_COMPILE */ +} +#endif /* !USE_GMTIME_R || !USE_LOCALTIME_R */ + +#ifndef USE_GMTIME_R +struct tm * +ldap_pvt_gmtime( const time_t *timep, struct tm *result ) +{ + struct tm *tm_ptr; + + LDAP_MUTEX_LOCK( &ldap_int_gmtime_mutex ); + tm_ptr = gmtime( timep ); + if ( tm_ptr == NULL ) { + result = NULL; + + } else { + *result = *tm_ptr; + } + LDAP_MUTEX_UNLOCK( &ldap_int_gmtime_mutex ); + + return result; +} +#endif /* !USE_GMTIME_R */ + +#ifndef USE_LOCALTIME_R +struct tm * +ldap_pvt_localtime( const time_t *timep, struct tm *result ) +{ + struct tm *tm_ptr; + + LDAP_MUTEX_LOCK( &ldap_int_gmtime_mutex ); + tm_ptr = localtime( timep ); + if ( tm_ptr == NULL ) { + result = NULL; + + } else { + *result = *tm_ptr; + } + LDAP_MUTEX_UNLOCK( &ldap_int_gmtime_mutex ); + + return result; +} +#endif /* !USE_LOCALTIME_R */ + +/* return a broken out time, with microseconds + * Must be mutex-protected. + */ +#ifdef _WIN32 +/* Windows SYSTEMTIME only has 10 millisecond resolution, so we + * also need to use a high resolution timer to get microseconds. + * This is pretty clunky. + */ +void +ldap_pvt_gettime( struct lutil_tm *tm ) +{ + static LARGE_INTEGER cFreq; + static LARGE_INTEGER prevCount; + static int subs; + static int offset; + LARGE_INTEGER count; + SYSTEMTIME st; + + GetSystemTime( &st ); + QueryPerformanceCounter( &count ); + + /* It shouldn't ever go backwards, but multiple CPUs might + * be able to hit in the same tick. + */ + if ( count.QuadPart <= prevCount.QuadPart ) { + subs++; + } else { + subs = 0; + prevCount = count; + } + + /* We assume Windows has at least a vague idea of + * when a second begins. So we align our microsecond count + * with the Windows millisecond count using this offset. + * We retain the submillisecond portion of our own count. + * + * Note - this also assumes that the relationship between + * the PerformanceCouunter and SystemTime stays constant; + * that assumption breaks if the SystemTime is adjusted by + * an external action. + */ + if ( !cFreq.QuadPart ) { + long long t; + int usec; + QueryPerformanceFrequency( &cFreq ); + + /* just get sub-second portion of counter */ + t = count.QuadPart % cFreq.QuadPart; + + /* convert to microseconds */ + t *= 1000000; + usec = t / cFreq.QuadPart; + + offset = usec - st.wMilliseconds * 1000; + } + + tm->tm_usub = subs; + + /* convert to microseconds */ + count.QuadPart %= cFreq.QuadPart; + count.QuadPart *= 1000000; + count.QuadPart /= cFreq.QuadPart; + count.QuadPart -= offset; + + tm->tm_usec = count.QuadPart % 1000000; + if ( tm->tm_usec < 0 ) + tm->tm_usec += 1000000; + + /* any difference larger than microseconds is + * already reflected in st + */ + + tm->tm_sec = st.wSecond; + tm->tm_min = st.wMinute; + tm->tm_hour = st.wHour; + tm->tm_mday = st.wDay; + tm->tm_mon = st.wMonth - 1; + tm->tm_year = st.wYear - 1900; +} +#else +void +ldap_pvt_gettime( struct lutil_tm *ltm ) +{ + struct timeval tv; + static struct timeval prevTv; + static int subs; + + struct tm tm; + time_t t; + + gettimeofday( &tv, NULL ); + t = tv.tv_sec; + + if ( tv.tv_sec < prevTv.tv_sec + || ( tv.tv_sec == prevTv.tv_sec && tv.tv_usec <= prevTv.tv_usec )) { + subs++; + } else { + subs = 0; + prevTv = tv; + } + + ltm->tm_usub = subs; + + ldap_pvt_gmtime( &t, &tm ); + + ltm->tm_sec = tm.tm_sec; + ltm->tm_min = tm.tm_min; + ltm->tm_hour = tm.tm_hour; + ltm->tm_mday = tm.tm_mday; + ltm->tm_mon = tm.tm_mon; + ltm->tm_year = tm.tm_year; + ltm->tm_usec = tv.tv_usec; +} +#endif + +size_t +ldap_pvt_csnstr(char *buf, size_t len, unsigned int replica, unsigned int mod) +{ + struct lutil_tm tm; + int n; + + ldap_pvt_gettime( &tm ); + + n = snprintf( buf, len, + "%4d%02d%02d%02d%02d%02d.%06dZ#%06x#%03x#%06x", + tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday, tm.tm_hour, + tm.tm_min, tm.tm_sec, tm.tm_usec, tm.tm_usub, replica, mod ); + + if( n < 0 ) return 0; + return ( (size_t) n < len ) ? n : 0; +} + #define BUFSTART (1024-32) #define BUFMAX (32*1024-32) +#if defined(LDAP_R_COMPILE) static char *safe_realloc( char **buf, int len ); -#if !defined(HAVE_GETHOSTBYNAME_R) && defined(LDAP_R_COMPILE) +#if !(defined(HAVE_GETHOSTBYNAME_R) && defined(HAVE_GETHOSTBYADDR_R)) static int copy_hostent( struct hostent *res, char **buf, struct hostent * src ); #endif +#endif int ldap_pvt_gethostbyname_a( const char *name, @@ -154,7 +367,7 @@ int ldap_pvt_gethostbyname_a( int retval; *buf = NULL; - ldap_pvt_thread_mutex_lock( &ldap_int_resolv_mutex ); + LDAP_MUTEX_LOCK( &ldap_int_resolv_mutex ); he = gethostbyname( name ); @@ -169,7 +382,7 @@ int ldap_pvt_gethostbyname_a( retval = 0; } - ldap_pvt_thread_mutex_unlock( &ldap_int_resolv_mutex ); + LDAP_MUTEX_UNLOCK( &ldap_int_resolv_mutex ); return retval; #else @@ -186,21 +399,20 @@ int ldap_pvt_gethostbyname_a( #endif } -#ifndef GETNAMEINFO +#if !defined( HAVE_GETNAMEINFO ) && !defined( HAVE_HSTRERROR ) static const char * hp_strerror( int err ) { switch (err) { - case HOST_NOT_FOUND: return "Host not found (authoritative)"; - case TRY_AGAIN: return "Host not found (server fail?)"; - case NO_RECOVERY: return "Non-recoverable failure"; - case NO_DATA: return "No data of requested type"; + case HOST_NOT_FOUND: return _("Host not found (authoritative)"); + case TRY_AGAIN: return _("Host not found (server fail?)"); + case NO_RECOVERY: return _("Non-recoverable failure"); + case NO_DATA: return _("No data of requested type"); #ifdef NETDB_INTERNAL case NETDB_INTERNAL: return STRERROR( errno ); #endif - default: break; } - return "Unknown resolver error"; + return _("Unknown resolver error"); } #endif @@ -214,14 +426,10 @@ int ldap_pvt_get_hname( int rc; #if defined( HAVE_GETNAMEINFO ) -#if defined( LDAP_R_COMPILE ) - ldap_pvt_thread_mutex_lock( &ldap_int_resolv_mutex ); -#endif + LDAP_MUTEX_LOCK( &ldap_int_resolv_mutex ); rc = getnameinfo( sa, len, name, namelen, NULL, 0, 0 ); -#if defined( LDAP_R_COMPILE ) - ldap_pvt_thread_mutex_unlock( &ldap_int_resolv_mutex ); -#endif - if ( rc ) *err = AC_GAI_STRERROR( rc ); + LDAP_MUTEX_UNLOCK( &ldap_int_resolv_mutex ); + if ( rc ) *err = (char *)AC_GAI_STRERROR( rc ); return rc; #else /* !HAVE_GETNAMEINFO */ @@ -247,7 +455,7 @@ int ldap_pvt_get_hname( alen = sizeof(sin->sin_addr); } else { rc = NO_RECOVERY; - *err = (char *)hp_strerror( rc ); + *err = (char *)HSTRERROR( rc ); return rc; } #if defined( HAVE_GETHOSTBYADDR_R ) @@ -279,25 +487,21 @@ int ldap_pvt_get_hname( if (hp) { strncpy( name, hp->h_name, namelen ); } else { - *err = (char *)hp_strerror( h_errno ); + *err = (char *)HSTRERROR( h_errno ); } LDAP_FREE(buf); #else /* HAVE_GETHOSTBYADDR_R */ -#if defined( LDAP_R_COMPILE ) - ldap_pvt_thread_mutex_lock( &ldap_int_resolv_mutex ); -#endif + LDAP_MUTEX_LOCK( &ldap_int_resolv_mutex ); hp = gethostbyaddr( addr, alen, sa->sa_family ); if (hp) { strncpy( name, hp->h_name, namelen ); rc = 0; } else { rc = h_errno; - *err = (char *)hp_strerror( h_errno ); + *err = (char *)HSTRERROR( h_errno ); } -#if defined( LDAP_R_COMPILE ) - ldap_pvt_thread_mutex_unlock( &ldap_int_resolv_mutex ); -#endif + LDAP_MUTEX_UNLOCK( &ldap_int_resolv_mutex ); #endif /* !HAVE_GETHOSTBYADDR_R */ return rc; @@ -352,8 +556,7 @@ int ldap_pvt_gethostbyaddr_a( int retval; *buf = NULL; - ldap_pvt_thread_mutex_lock( &ldap_int_resolv_mutex ); - + LDAP_MUTEX_LOCK( &ldap_int_resolv_mutex ); he = gethostbyaddr( addr, len, type ); if (he==NULL) { @@ -366,8 +569,7 @@ int ldap_pvt_gethostbyaddr_a( *result = resbuf; retval = 0; } - - ldap_pvt_thread_mutex_unlock( &ldap_int_resolv_mutex ); + LDAP_MUTEX_UNLOCK( &ldap_int_resolv_mutex ); return retval; @@ -395,8 +597,18 @@ void ldap_int_utils_init( void ) #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( USE_GMTIME_R ) && !defined( USE_LOCALTIME_R ) + ldap_pvt_thread_mutex_init( &ldap_int_gmtime_mutex ); #endif ldap_pvt_thread_mutex_init( &ldap_int_resolv_mutex ); + +#ifdef HAVE_CYRUS_SASL + ldap_pvt_thread_mutex_init( &ldap_int_sasl_mutex ); +#endif +#ifdef HAVE_GSSAPI + ldap_pvt_thread_mutex_init( &ldap_int_gssapi_mutex ); +#endif #endif /* call other module init functions here... */ @@ -451,7 +663,7 @@ static int copy_hostent( int n_alias=0; int total_alias_len=0; int n_addr=0; - int total_addr_len; + int total_addr_len=0; int total_len; /* calculate the size needed for the buffer */ @@ -540,27 +752,28 @@ char * ldap_pvt_get_fqdn( char *name ) return fqdn; } -#if defined( HAVE_GETADDRINFO ) && !defined( HAVE_GAI_STRERROR ) +#if ( defined( HAVE_GETADDRINFO ) || defined( HAVE_GETNAMEINFO ) ) \ + && !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" }, + { EAI_ADDRFAMILY, N_("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" }, + { EAI_AGAIN, N_("Temporary failure in name resolution") }, + { EAI_BADFLAGS, N_("Bad value for ai_flags") }, + { EAI_FAIL, N_("Non-recoverable failure in name resolution") }, + { EAI_FAMILY, N_("ai_family not supported") }, + { EAI_MEMORY, N_("Memory allocation failure") }, #ifdef EAI_NODATA - { EAI_NODATA, "No address associated with hostname" }, + { EAI_NODATA, N_("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" }, + { EAI_NONAME, N_("Name or service not known") }, + { EAI_SERVICE, N_("Servname not supported for ai_socktype") }, + { EAI_SOCKTYPE, N_("ai_socktype not supported") }, + { EAI_SYSTEM, N_("System error") }, { 0, NULL } }; @@ -568,10 +781,10 @@ char *ldap_pvt_gai_strerror (int code) { for ( i = 0; values[i].msg != NULL; i++ ) { if ( values[i].code == code ) { - return (char *) values[i].msg; + return (char *) _(values[i].msg); } } - return "Unknown error"; + return _("Unknown error"); } #endif