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(ITS#6043) slapd segfaults in bdb_rdn_cmp
by luca＠OpenLDAP.org 02 Apr '09

02 Apr '09

Full_Name: Luca Scamoni Version: RELENG OS: Linux URL: ftp://ftp.openldap.org/incoming/ Submission from: (NULL) (82.63.140.131) Testing releng got this segfaults in a master-slave setup on both machines. Both traces show the same: (gdb) bt full #0 0x006d7860 in strncmp () from /lib/tls/libc.so.6 No symbol table info available. #1 0x0019085e in bdb_rdn_cmp (v_e1=0x17d7270, v_e2=0x9837d58) at cache.c:301 rc = 5 #2 0x080fc1f5 in avl_find () No symbol table info available. #3 0x00190abd in hdb_cache_find_ndn (op=0x17d7460, txn=0x9837aa8, ndn=0x17d73ec, res=0x17d7318) at cache.c:433 bdb = (struct bdb_info *) 0x97bf5d8 ei = {bei_parent = 0x97bf624, bei_id = 0, bei_lockpad = 0, bei_state = 0, bei_finders = 0, bei_nrdn = {bv_len = 23, bv_val = 0xffffffe9 <Address 0xffffffe9 out of bounds>}, bei_rdn = {bv_len = 0, bv_val = 0x0}, bei_modrdns = 0, bei_ckids = 0, bei_dkids = 0, bei_e = 0x0, bei_kids = 0xb7f43994, bei_kids_mutex = {__m_reserved = 0, __m_count = 0, __m_owner = 0x0, __m_kind = 0, __m_lock = {__status = 0, __spinlock = 135208867}}, bei_lrunext = 0x55313c, bei_lruprev = 0x542022fc} eip = (EntryInfo *) 0x97bf624 ei2 = (EntryInfo *) 0x0 rc = 0 ptr = Variable "ptr" is not available. The core happened on master shortly after starting the slave, then on slave shortly after staring the master again. Using HDB and syncrepl (two databases per instance, different suffixes) I have access to the core(s) for any further information needed

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Access to pseudoattribute "entry" and rewrite overlay
by Konovalov Andrey 01 Apr '09

01 Apr '09

Hi4All! :) I notice that active RWM/Remap overlay affects ACL-subsystem when ACL checks access to pseudoatribute "entry" and this strange situation occurs even if i not use any rules for rewrite/remap. Нerewith without the loaded overlay RWM all works correctly... In debug mode slapd with active RWM (no rewrite rules!) deny all access to attribute entry except for "root" user => access_allowed: search access to "uid=akkerman,cn=Directory Server Admins,ou=Groups,dc=r2,dc=money,dc=ge,dc=com" "objectClass" requested <= test_filter 5 => acl_get: [13] attr entry => slap_access_allowed: result not in cache (entry) => acl_mask: access to entry "uid=akkerman,cn=Directory Server Admins,ou=Groups,dc=r2,dc=money,dc=ge,dc=com", attr "entry" requested => acl_mask: to all values by "", (none(=0)) <= check a_dn_pat: * <= acl_mask: [1] applying none(=0) (stop) <= acl_mask: [1] mask: none(=0) => slap_access_allowed: read access denied by none(=0) This problem may be solved by adding radically liberate rule to the beginning of olcAccess sequence in cn=config: olcAccess: {1}to * attrs=entry by * read Is it a bug?

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Re: (ITS#6042) Microsoft compatibility patch
by ghenry＠suretecsystems.com 01 Apr '09

01 Apr '09

----- hyc(a)OpenLDAP.org wrote: > Full_Name: Howard Chu > Version: HEAD > OS: Linux > URL: ftp://ftp.openldap.org/incoming/hyc-mscompat.txt > Submission from: (NULL) (76.91.220.157) > > > This patch adds a new olcMsCompat config keyword which enables > ActiveDirectory emulation mode in slapd. It's still experimental, any > feedback > is appreciated. Can we fast track this patch in, as we really need this feature to get more breakfix requests. Stock slapd never goes down enough! -- Kind Regards, Gavin Henry. Managing Director. T +44 (0) 1224 279484 M +44 (0) 7930 323266 F +44 (0) 1224 824887 E ghenry(a)suretecsystems.com Open Source. Open Solutions(tm). http://www.suretecsystems.com/ Suretec Systems is a limited company registered in Scotland. Registered number: SC258005. Registered office: 13 Whiteley Well Place, Inverurie, Aberdeenshire, AB51 4FP. Subject to disclaimer at http://www.suretecgroup.com/disclaimer.html

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(ITS#6042) Microsoft compatibility patch
by hyc＠OpenLDAP.org 01 Apr '09

01 Apr '09

Full_Name: Howard Chu Version: HEAD OS: Linux URL: ftp://ftp.openldap.org/incoming/hyc-mscompat.txt Submission from: (NULL) (76.91.220.157) This patch adds a new olcMsCompat config keyword which enables ActiveDirectory emulation mode in slapd. It's still experimental, any feedback is appreciated.

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Re: (ITS#6041) opendir() and closedir() bugs on Windows
by hyc＠symas.com 30 Mar '09

30 Mar '09

test.007(a)seznam.cz wrote: > Full_Name: Test Seven > Version: 2.4.15 > OS: Windows > URL: > Submission from: (NULL) (195.113.184.20) Thanks for the patch. The Windows code is known to work fine using gcc. Use of MSVC is discouraged since there have been so many incompatible CRT version changes in such a short span of time. (Actually, use of Microsoft-anything is generally discouraged; the same OpenLDAP code is at least 2-3x faster on the same hardware when using Linux instead of Windows.) > Two problems solved in the patch: > 1. closedir()'s retval is used, thus it must not be void. Windows uses implicit > declaration ``int closedir(int)'' because the function is not declared in > headers, thus the call in ldif.c compiles, but uses random value in EAX. > > 2. opendir() must set errno, because ldif_readdir() reads it. The patch converts > the most common Windows error codes to errno codes after FindFirstFile() WinAPI > call. > > The bugs prevent me from loading cn=config configuration. > > --- utils.c.orig 2009-01-22 01:00:58.000000000 +0100 > +++ utils.c 2009-03-27 14:28:33.500000000 +0100 > @@ -466,6 +466,40 @@ int mkstemp( char * template ) > #endif > > #ifdef _MSC_VER > +/* Equivalent of MS CRT's _dosmaperr(). > + * @param lastError[in] Result of GetLastError(). > + */ > +static errno_t win2errno(DWORD lastError) > +{ > + const struct { > + DWORD windows_code; > + errno_t errno_code; > + } WIN2ERRNO_TABLE[] = { > + { ERROR_SUCCESS, 0 }, > + { ERROR_FILE_NOT_FOUND, ENOENT }, > + { ERROR_PATH_NOT_FOUND, ENOENT }, > + { ERROR_TOO_MANY_OPEN_FILES, EMFILE }, > + { ERROR_ACCESS_DENIED, EACCES }, > + { ERROR_INVALID_HANDLE, EBADF }, > + { ERROR_NOT_ENOUGH_MEMORY, ENOMEM }, > + { ERROR_NOT_ENOUGH_MEMORY, ENOMEM }, > + { ERROR_LOCK_VIOLATION, EACCES }, > + { ERROR_FILE_EXISTS, EEXIST }, > + { ERROR_INVALID_PARAMETER, EINVAL }, > + { ERROR_FILENAME_EXCED_RANGE, ENAMETOOLONG }, > + }; > + const unsigned int WIN2ERRNO_TABLE_SIZE = sizeof(WIN2ERRNO_TABLE) / > sizeof(WIN2ERRNO_TABLE[0]); > + const errno_t DEFAULT_ERRNO_ERROR = -1; > + unsigned int i; > + > + for (i = 0; i< WIN2ERRNO_TABLE_SIZE; ++i) { > + if (WIN2ERRNO_TABLE[i].windows_code == lastError) { > + return WIN2ERRNO_TABLE[i].errno_code; > + } > + } > + return DEFAULT_ERRNO_ERROR; > +} > + > struct dirent { > char *d_name; > }; > @@ -493,9 +527,10 @@ DIR *opendir( char *path ) > > h = FindFirstFile( tmp,&data ); > > - if ( h == INVALID_HANDLE_VALUE ) > + if ( h == INVALID_HANDLE_VALUE ) { > + errno = win2errno(GetLastError()); > return NULL; > - > + } > d = ber_memalloc( sizeof(DIR) ); > if ( !d ) > return NULL; > @@ -518,10 +553,11 @@ struct dirent *readdir(DIR *dir) > } > return&dir->data; > } > -void closedir(DIR *dir) > +int closedir(DIR *dir) > { > FindClose(dir->dir); > ber_memfree(dir); > + return 0; > } > #endif > > > -- -- Howard Chu CTO, Symas Corp. http://www.symas.com Director, Highland Sun http://highlandsun.com/hyc/ Chief Architect, OpenLDAP http://www.openldap.org/project/

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Re: (ITS#6041) opendir() and closedir() bugs on Windows
by hyc＠symas.com 30 Mar '09

30 Mar '09

1 0

Re: (ITS#6041) opendir() and closedir() bugs on Windows
by hyc＠symas.com 30 Mar '09

30 Mar '09

1 0

Re: (ITS#6041) opendir() and closedir() bugs on Windows
by hyc＠symas.com 30 Mar '09

30 Mar '09

1 0

Re: (ITS#6041) opendir() and closedir() bugs on Windows
by hyc＠symas.com 30 Mar '09

30 Mar '09

1 0

Re: (ITS#6041) opendir() and closedir() bugs on Windows
by hyc＠symas.com 30 Mar '09

30 Mar '09

1 0

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