- openldap-bugs - openldap.org

Re: (ITS#7828) LMDB crash in mdb_cursor_put(MDB_CURRENT)
by sbn＠tbricks.com 28 Mar '14

28 Mar '14

Works after reverting commit (checked f537429) Thanks!

1 0

(ITS#7829) MDB mdb_cursor_del causes records to be skipped
by armon.dadgar＠gmail.com 28 Mar '14

28 Mar '14

Full_Name: Armon Dadgar Version: OS: URL: ftp://ftp.openldap.org/incoming/ Submission from: (NULL) (50.78.97.10) I have an issue where when iterating over data and deleting keys, the cursor will incorrectly skip rows, and then returns an early NOTFOUND even though more records still exist. I have a gist demonstrating this: https://gist.github.com/armon/9825666 I am using small Go wrapper around LMDB, version 0.9.11. The expected behavior is to numbers 1..91 printed. However, when I run it, it gets to 16 and returns no further rows.

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Re: (ITS#7828) LMDB crash in mdb_cursor_put(MDB_CURRENT)
by hyc＠symas.com 26 Mar '14

26 Mar '14

h.b.furuseth(a)usit.uio.no wrote: > Doc bug, fixed recently: MDB_CURRENT must not change the data size. Wrong. This is a regression due to ITS#7793. That commit has now been reverted. > Also with DUPSORT the data item must sort in the same place as the > previous one, that needs to be documented too. I'll add this note to the doc. -- -- Howard Chu CTO, Symas Corp. http://www.symas.com Director, Highland Sun http://highlandsun.com/hyc/ Chief Architect, OpenLDAP http://www.openldap.org/project/

1 0

(ITS#7826)
by antonin.meunier＠cgi.com 26 Mar '14

26 Mar '14

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1 0

Re: (ITS#7828) LMDB crash in mdb_cursor_put(MDB_CURRENT)
by h.b.furuseth＠usit.uio.no 26 Mar '14

26 Mar '14

Doc bug, fixed recently: MDB_CURRENT must not change the data size. Also with DUPSORT the data item must sort in the same place as the previous one, that needs to be documented too.

1 0

Re: (ITS#7825) LMDB: misleading error message
by timur.kristof＠gmail.com 26 Mar '14

26 Mar '14

--001a11c13346e990f604f57e2991 Content-Type: text/plain; charset=UTF-8 Hi, For further information, see the discussion here: https://github.com/Venemo/node-lmdb/pull/20 We genuinely thought that there had been something wrong with our value sizes somewhere, so I wasted several hours debugging in the wrong place. Then, by accident I discovered that it's in fact an issue with V8's GC. I definitely suggest to choose one of the solutions that don't cost any execution time when there is no error. Perhaps mdb_dbi_close could return an error (or crash) when the dbi is still used by a cursor. That'd eliminate the issue but it'd also mean an API/ABI break. Best regards, Timur On Tue, Mar 25, 2014 at 10:37 AM, Hallvard Breien Furuseth < h.b.furuseth(a)usit.uio.no> wrote: > On Sat, 2014-03-22 at 22:49 +0000, timur.kristof(a)gmail.com wrote: > > When you operate on a dbi using a cursor and accidentally close the dbi > before > > committing the transaction of the cursor, mdb_txn_commit will return > > MDB_BAD_VALSIZE. This is quite misleading because the problem doesn't > actually > > have anything to do with what the error message suggests. ("Too big > key/data, > > key is empty, or wrong DUPFIXED size") > > > > I suggest to either add a new kind of error code for this situation or > to extend > > the description of MDB_BAD_VALSIZE. > > Let's see -- here are the options I can see (after an IRC chat): > > 1) Extending the MDB_BAD_VALSIZE description. Simple. However: > > This is documented as a user error, and it's one which lmdb > won't always catch. If you also called mdb_dbi_open() and the > DBI got reused, lmdb silently updates the wrong named database. > > So I'm a bit wary about both of these fixes: Documenting this > case can be misleading if it makes users expect it to be caught. > > Unless people know better - it corresponds to EBADF for using a > closed file descriptor, not caught if open() reused it. > > > 2) Catch this case and instead return a generic "something is > wrong" - MDB_BAD_TXN or MDB_INCOMPATIBLE. > And maybe assert(did not happen) to teach users to avoid this. > > Needs to be done where md_name is used: Commit/drop(named DB), > page_search(stale named DB), cursor_touch(clean named DB). Or > pass F_SUBDATA inwards and tweak the "return MDB_BAD_VALSIZE" > statements to detect this. > > After playing around a bit, I guess this is my favorite. > > > 3) Leave the misleading message alone, which can send the user > off to a wild goose chase (as described on IRC). > > > Or we can add code to also catch close followed by open: > > 4) Put hash(DB name) in MDB_db.md_pad and verify it before > overwriting a named DB. Costs execution time even when there's > no error. Must be done in commit, drop and maybe cursor_touch. > (I've pushed a demo patch for just commit.) > > 5) Add field MDB_dbx.md_dbiseq = DBI usage sequence number, > incremented when dbi_open creates (not reuses) a DBI and in > dbi_close. Copy it to a new malloced array txn->mt_dbiseqs[] > in write txns, verify it in at least commit and drop. > This means close()-open(same DB) will also be caught, which > seems a good thing since with (4) it will work unreliably: > Only if open() reuses the same DBI for the same DB. > --001a11c13346e990f604f57e2991 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable <div dir=3D"ltr"><div><div>Hi,<br><br>For further information, see the disc= ussion here: <a href=3D"https://github.com/Venemo/node-lmdb/pull/20">https:= //github.com/Venemo/node-lmdb/pull/20</a><br></div><div>We genuinely though= t that there had been something wrong with our value sizes somewhere, so I = wasted several hours debugging in the wrong place. Then, by accident I disc= overed that it's in fact an issue with V8's GC.<br> </div><div><br>I definitely suggest to choose one of the solutions that don= 't cost any execution time when there is no error. <br><br></div>Perhap= s mdb_dbi_close could return an error (or crash) when the dbi is still used= by a cursor. That'd eliminate the issue but it'd also mean an API/= ABI break.<br> <br></div>Best regards,<br>Timur<br><div><div><br><br></div></div></div><di= v class=3D"gmail_extra"><br><br><div class=3D"gmail_quote">On Tue, Mar 25, = 2014 at 10:37 AM, Hallvard Breien Furuseth <span dir=3D"ltr"><<a href=3D= "mailto:h.b.furuseth@usit.uio.no" target=3D"_blank">h.b.furuseth(a)usit.uio.n= o</a>></span> wrote:<br> <blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p= x #ccc solid;padding-left:1ex">On Sat, 2014-03-22 at 22:49 +0000, <a href= =3D"mailto:timur.kristof@gmail.com">timur.kristof(a)gmail.com</a> wrote:<br> > When you operate on a dbi using a cursor and accidentally close the db= i before<br> > committing the transaction of the cursor, mdb_txn_commit will return<b= r> > MDB_BAD_VALSIZE. This is quite misleading because the problem doesn&#3= 9;t actually<br> > have anything to do with what the error message suggests. ("Too b= ig key/data,<br> > key is empty, or wrong DUPFIXED size")<br> ><br> > I suggest to either add a new kind of error code for this situation or= to extend<br> > the description of MDB_BAD_VALSIZE.<br> <br> Let's see -- here are the options I can see (after an IRC chat):<br> <br> 1) Extending the MDB_BAD_VALSIZE description. Simple. However:<br> <br> This is documented as a user error, and it's one which lmdb<br> won't always catch. =C2=A0If you also called mdb_dbi_open() and the<br> DBI got reused, lmdb silently updates the wrong named database.<br> <br> So I'm a bit wary about both of these fixes: Documenting this<br> case can be misleading if it makes users expect it to be caught.<br> <br> Unless people know better - it corresponds to EBADF for using a<br> closed file descriptor, not caught if open() reused it.<br> <br> <br> 2) Catch this case and instead return a generic "something is<br> wrong" - MDB_BAD_TXN or MDB_INCOMPATIBLE.<br> And maybe assert(did not happen) to teach users to avoid this.<br> <br> Needs to be done where md_name is used: Commit/drop(named DB),<br> page_search(stale named DB), cursor_touch(clean named DB). =C2=A0Or<br> pass F_SUBDATA inwards and tweak the "return MDB_BAD_VALSIZE"<br> statements to detect this.<br> <br> After playing around a bit, I guess this is my favorite.<br> <br> <br> 3) Leave the misleading message alone, which can send the user<br> off to a wild goose chase (as described on IRC).<br> <br> <br> Or we can add code to also catch close followed by open:<br> <br> 4) Put hash(DB name) in MDB_db.md_pad and verify it before<br> overwriting a named DB. =C2=A0Costs execution time even when there's<br= > no error. =C2=A0Must be done in commit, drop and maybe cursor_touch.<br> (I've pushed a demo patch for just commit.)<br> <br> 5) Add field MDB_dbx.md_dbiseq =3D DBI usage sequence number,<br> incremented when dbi_open creates (not reuses) a DBI and in<br> dbi_close. =C2=A0Copy it to a new malloced array txn->mt_dbiseqs[]<br> in write txns, verify it in at least commit and drop.<br> This means close()-open(same DB) will also be caught, which<br> seems a good thing since with (4) it will work unreliably:<br> Only if open() reuses the same DBI for the same DB.<br> </blockquote></div><br></div> --001a11c13346e990f604f57e2991--

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(ITS#7828) LMDB crash in mdb_cursor_put(MDB_CURRENT)
by sbn＠tbricks.com 26 Mar '14

26 Mar '14

Full_Name: Dmitri Shubin Version: LMDB 0.9.11 (2727e97) OS: Linux (CentOS 6) URL: ftp://ftp.openldap.org/incoming/ Submission from: (NULL) (80.239.140.98) Hi! I got a crash inside LMDB in mdb_cursor_put() functions when I trying to modify the record under cursor. Simple test: $ cat test-mdb_current.c #include <stdio.h> #include <stdlib.h> #include "lmdb.h" #define E(expr) CHECK((rc = (expr)) == MDB_SUCCESS, #expr) #define CHECK(test, msg) ((test) ? (void)0 : ((void)fprintf(stderr, \ "%s:%d: %s: %s\n", __FILE__, __LINE__, msg, mdb_strerror(rc)), abort())) #define DBDIR "./testdb" int main() { int rc; MDB_env *env; MDB_dbi dbi; MDB_txn *txn; MDB_val key, data; MDB_cursor *cursor; int key_v = 17; char data_v[] = "0123456789"; E(system("rm -rf " DBDIR " && mkdir " DBDIR)); E(mdb_env_create(&env)); E(mdb_env_open(env, DBDIR, 0, 0664)); E(mdb_txn_begin(env, NULL, 0, &txn)); E(mdb_dbi_open(txn, NULL, 0, &dbi)); /* put some data */ key.mv_data = &key_v; key.mv_size = sizeof(key_v); data.mv_data = data_v; data.mv_size = sizeof(data_v); E(mdb_put(txn, dbi, &key, &data, 0)); E(mdb_txn_commit(txn)); /* replace using cursor */ E(mdb_txn_begin(env, NULL, 0, &txn)); E(mdb_cursor_open(txn, dbi, &cursor)); E(mdb_cursor_get(cursor, &key, &data, MDB_SET)); data.mv_data = data_v; data.mv_size = sizeof(data_v) - 1; E(mdb_cursor_put(cursor, &key, &data, MDB_CURRENT)); mdb_cursor_close(cursor); E(mdb_txn_commit(txn)); mdb_dbi_close(env, dbi); mdb_env_close(env); return 0; } $ gcc -g test-mdb_current.c -llmdb -L. -Wl,-rpath,. $ ./a.out Segmentation fault (core dumped) $ gdb a.out ... Program terminated with signal 11, Segmentation fault. #0 0x00007fefaba9895c in mdb_leaf_size (env=0xbd8010, key=0x0, data=0x7fff59e6a830) at mdb.c:6430 6430 sz = LEAFSIZE(key, data); (gdb) bt #0 0x00007fefaba9895c in mdb_leaf_size (env=0xbd8010, key=0x0, data=0x7fff59e6a830) at mdb.c:6430 #1 0x00007fefaba97c53 in mdb_cursor_put (mc=0xbda2f0, key=0x0, data=0x7fff59e6a830, flags=64) at mdb.c:6178 #2 0x0000000000400ee0 in main () at test-mdb_current.c:51 (gdb) l 6425 static size_t 6426 mdb_leaf_size(MDB_env *env, MDB_val *key, MDB_val *data) 6427 { 6428 size_t sz; 6429 6430 sz = LEAFSIZE(key, data); 6431 if (sz > env->me_nodemax) { 6432 /* put on overflow page */ 6433 sz -= data->mv_size - sizeof(pgno_t); 6434 } (gdb) p key $1 = (MDB_val *) 0x0 If I remove MDB_CURRENT flag from mdb_cursor_put() call it works fine. Thanks!

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Re: (ITS#7827) Typo in slapacl can causes unclean database
by hyc＠symas.com 25 Mar '14

25 Mar '14

quanah(a)OpenLDAP.org wrote: > Full_Name: Quanah Gibson-Mount > Version: openldap master > OS: Linux 2.6 > URL: ftp://ftp.openldap.org/incoming/ > Submission from: (NULL) (75.111.58.125) > > > As reported in https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=741248, slapacl > when used with a base that is not contained in the OpenLDAP configuration can > cause unclean DB messages. Fixed now in master > > To reproduce, I had to disable the monitor database in my configuration, so that > there was only the cn=config db and a primary BDB based backend. It also does > not occur if the suffix for the database is "" (as that contains everything). > > If the suffix of the DB is specific(such as "cn=zimbra"), then you can cause the > unclean shutdown status to trigger by running slapacl against a suffix that is > not contained in the slapd configuration: > > zimbra@zre-ldap001:~$ /opt/zimbra/openldap/sbin/slapacl -F > /opt/zimbra/data/ldap/config -b "cn=zimbraaaaa" -D > "uid=zimbra,cn=admins,cn=zimbra" entry > 5331d242 hdb_monitor_db_open: monitoring disabled; configure monitor database to > enable > 5331d242 hdb_db_open: database "cn=zimbra": unclean shutdown detected; > attempting recovery. > 5331d242 hdb_db_open: database "cn=zimbra": recovery skipped in read-only mode. > Run manual recovery if errors are encountered. > authcDN: "uid=zimbra,cn=admins,cn=zimbra" > cn=zimbraaaaa: no target database has been found for baseDN="slapacl"; you may > try with "-u" (dry run). > zimbra@zre-ldap001:~$ /opt/zimbra/openldap/sbin/slapacl -F > /opt/zimbra/data/ldap/config -b "cn=zimbra" -D "uid=zimbra,cn=admins,cn=zimbra" > entry > 5331d258 hdb_db_open: database "cn=zimbra": unclean shutdown detected; > attempting recovery. > 5331d258 hdb_db_open: database "cn=zimbra": recovery skipped in read-only mode. > Run manual recovery if errors are encountered. > 5331d258 hdb_monitor_db_open: monitoring disabled; configure monitor database to > enable > authcDN: "uid=zimbra,cn=admins,cn=zimbra" > entry: write(=wrscxd) > zimbra@zre-ldap001:~$ /opt/zimbra/openldap/sbin/slapacl -F > /opt/zimbra/data/ldap/config -b "cn=zimbra" -D "uid=zimbra,cn=admins,cn=zimbra" > entry > 5331d262 hdb_db_open: database "cn=zimbra": unclean shutdown detected; > attempting recovery. > 5331d262 hdb_db_open: database "cn=zimbra": recovery skipped in read-only mode. > Run manual recovery if errors are encountered. > 5331d262 hdb_monitor_db_open: monitoring disabled; configure monitor database to > enable > authcDN: "uid=zimbra,cn=admins,cn=zimbra" > entry: write(=wrscxd) > > Even running db_recover does not fix it: > > zimbra@zre-ldap001:~/data/ldap/hdb/db$ db_recover > zimbra@zre-ldap001:~/data/ldap/hdb/db$ cd > zimbra@zre-ldap001:~$ /opt/zimbra/openldap/sbin/slapacl -F > /opt/zimbra/data/ldap/config -b "cn=zimbra" -D "uid=zimbra,cn=admins,cn=zimbra" > entry > 5331d350 hdb_db_open: database "cn=zimbra": unclean shutdown detected; > attempting recovery. > 5331d350 hdb_db_open: database "cn=zimbra": recovery skipped in read-only mode. > Run manual recovery if errors are encountered. > 5331d350 hdb_monitor_db_open: monitoring disabled; configure monitor database to > enable > authcDN: "uid=zimbra,cn=admins,cn=zimbra" > entry: write(=wrscxd) > > After starting slapd, the db is properly cleaned up: > > zimbra@zre-ldap001:~$ ps -eaf | grep slapd > zimbra 1655 1 3 12:05 ? 00:00:00 /opt/zimbra/openldap/sbin/slapd > -l LOCAL0 -u zimbra -h ldap://zre-ldap001.eng.zimbra.com:389 ldapi:/// -F > /opt/zimbra/data/ldap/config > > zimbra@zre-ldap001:~$ /opt/zimbra/openldap/sbin/slapacl -F > /opt/zimbra/data/ldap/config -b "cn=zimbra" -D "uid=zimbra,cn=admins,cn=zimbra" > entry > authcDN: "uid=zimbra,cn=admins,cn=zimbra" > entry: write(=wrscxd) > > > > -- -- 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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(ITS#7827) Typo in slapacl can causes unclean database
by quanah＠OpenLDAP.org 25 Mar '14

25 Mar '14

Full_Name: Quanah Gibson-Mount Version: openldap master OS: Linux 2.6 URL: ftp://ftp.openldap.org/incoming/ Submission from: (NULL) (75.111.58.125) As reported in https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=741248, slapacl when used with a base that is not contained in the OpenLDAP configuration can cause unclean DB messages. To reproduce, I had to disable the monitor database in my configuration, so that there was only the cn=config db and a primary BDB based backend. It also does not occur if the suffix for the database is "" (as that contains everything). If the suffix of the DB is specific(such as "cn=zimbra"), then you can cause the unclean shutdown status to trigger by running slapacl against a suffix that is not contained in the slapd configuration: zimbra@zre-ldap001:~$ /opt/zimbra/openldap/sbin/slapacl -F /opt/zimbra/data/ldap/config -b "cn=zimbraaaaa" -D "uid=zimbra,cn=admins,cn=zimbra" entry 5331d242 hdb_monitor_db_open: monitoring disabled; configure monitor database to enable 5331d242 hdb_db_open: database "cn=zimbra": unclean shutdown detected; attempting recovery. 5331d242 hdb_db_open: database "cn=zimbra": recovery skipped in read-only mode. Run manual recovery if errors are encountered. authcDN: "uid=zimbra,cn=admins,cn=zimbra" cn=zimbraaaaa: no target database has been found for baseDN="slapacl"; you may try with "-u" (dry run). zimbra@zre-ldap001:~$ /opt/zimbra/openldap/sbin/slapacl -F /opt/zimbra/data/ldap/config -b "cn=zimbra" -D "uid=zimbra,cn=admins,cn=zimbra" entry 5331d258 hdb_db_open: database "cn=zimbra": unclean shutdown detected; attempting recovery. 5331d258 hdb_db_open: database "cn=zimbra": recovery skipped in read-only mode. Run manual recovery if errors are encountered. 5331d258 hdb_monitor_db_open: monitoring disabled; configure monitor database to enable authcDN: "uid=zimbra,cn=admins,cn=zimbra" entry: write(=wrscxd) zimbra@zre-ldap001:~$ /opt/zimbra/openldap/sbin/slapacl -F /opt/zimbra/data/ldap/config -b "cn=zimbra" -D "uid=zimbra,cn=admins,cn=zimbra" entry 5331d262 hdb_db_open: database "cn=zimbra": unclean shutdown detected; attempting recovery. 5331d262 hdb_db_open: database "cn=zimbra": recovery skipped in read-only mode. Run manual recovery if errors are encountered. 5331d262 hdb_monitor_db_open: monitoring disabled; configure monitor database to enable authcDN: "uid=zimbra,cn=admins,cn=zimbra" entry: write(=wrscxd) Even running db_recover does not fix it: zimbra@zre-ldap001:~/data/ldap/hdb/db$ db_recover zimbra@zre-ldap001:~/data/ldap/hdb/db$ cd zimbra@zre-ldap001:~$ /opt/zimbra/openldap/sbin/slapacl -F /opt/zimbra/data/ldap/config -b "cn=zimbra" -D "uid=zimbra,cn=admins,cn=zimbra" entry 5331d350 hdb_db_open: database "cn=zimbra": unclean shutdown detected; attempting recovery. 5331d350 hdb_db_open: database "cn=zimbra": recovery skipped in read-only mode. Run manual recovery if errors are encountered. 5331d350 hdb_monitor_db_open: monitoring disabled; configure monitor database to enable authcDN: "uid=zimbra,cn=admins,cn=zimbra" entry: write(=wrscxd) After starting slapd, the db is properly cleaned up: zimbra@zre-ldap001:~$ ps -eaf | grep slapd zimbra 1655 1 3 12:05 ? 00:00:00 /opt/zimbra/openldap/sbin/slapd -l LOCAL0 -u zimbra -h ldap://zre-ldap001.eng.zimbra.com:389 ldapi:/// -F /opt/zimbra/data/ldap/config zimbra@zre-ldap001:~$ /opt/zimbra/openldap/sbin/slapacl -F /opt/zimbra/data/ldap/config -b "cn=zimbra" -D "uid=zimbra,cn=admins,cn=zimbra" entry authcDN: "uid=zimbra,cn=admins,cn=zimbra" entry: write(=wrscxd)

1 0

Re: (ITS#7825) LMDB: misleading error message
by h.b.furuseth＠usit.uio.no 25 Mar '14

25 Mar '14

I wrote: > Let's see -- here are the options I can see (after an IRC chat): > (...) > 2) Catch this case and instead return a generic "something is > wrong" - MDB_BAD_TXN or MDB_INCOMPATIBLE. > (...) Duh, I forgot (6) Like (2) but create a new error code after all. Then we can document in its description that it's not caught reliably. That wasn't hard:-)

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Re: (ITS#7825) LMDB: misleading error message
by h.b.furuseth＠usit.uio.no 25 Mar '14

25 Mar '14

On Sat, 2014-03-22 at 22:49 +0000, timur.kristof(a)gmail.com wrote: > When you operate on a dbi using a cursor and accidentally close the dbi before > committing the transaction of the cursor, mdb_txn_commit will return > MDB_BAD_VALSIZE. This is quite misleading because the problem doesn't actually > have anything to do with what the error message suggests. ("Too big key/data, > key is empty, or wrong DUPFIXED size") > > I suggest to either add a new kind of error code for this situation or to extend > the description of MDB_BAD_VALSIZE. Let's see -- here are the options I can see (after an IRC chat): 1) Extending the MDB_BAD_VALSIZE description. Simple. However: This is documented as a user error, and it's one which lmdb won't always catch. If you also called mdb_dbi_open() and the DBI got reused, lmdb silently updates the wrong named database. So I'm a bit wary about both of these fixes: Documenting this case can be misleading if it makes users expect it to be caught. Unless people know better - it corresponds to EBADF for using a closed file descriptor, not caught if open() reused it. 2) Catch this case and instead return a generic "something is wrong" - MDB_BAD_TXN or MDB_INCOMPATIBLE. And maybe assert(did not happen) to teach users to avoid this. Needs to be done where md_name is used: Commit/drop(named DB), page_search(stale named DB), cursor_touch(clean named DB). Or pass F_SUBDATA inwards and tweak the "return MDB_BAD_VALSIZE" statements to detect this. After playing around a bit, I guess this is my favorite. 3) Leave the misleading message alone, which can send the user off to a wild goose chase (as described on IRC). Or we can add code to also catch close followed by open: 4) Put hash(DB name) in MDB_db.md_pad and verify it before overwriting a named DB. Costs execution time even when there's no error. Must be done in commit, drop and maybe cursor_touch. (I've pushed a demo patch for just commit.) 5) Add field MDB_dbx.md_dbiseq = DBI usage sequence number, incremented when dbi_open creates (not reuses) a DBI and in dbi_close. Copy it to a new malloced array txn->mt_dbiseqs[] in write txns, verify it in at least commit and drop. This means close()-open(same DB) will also be caught, which seems a good thing since with (4) it will work unreliably: Only if open() reuses the same DBI for the same DB.

1 0

Re: (ITS#7616) syncrepl enhancement: defer requests when refreshing
by hyc＠symas.com 24 Mar '14

24 Mar '14

This is a multi-part message in MIME format. --------------050807020608030505070800 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit hyc(a)symas.com wrote: > Michael Ströder wrote: >> hyc(a)symas.com wrote: >>> I was considering returning LDAP_BUSY for this case, but it may make more >>> sense to return a REFERRAL to the provider instead. (Although again, if we >>> have two MMR servers pointed at each other starting at the same time, they >>> would just refer to each other and clients would get nowhere until one of them >>> finishes its refresh.) >> >> IMO referrals are harmful. >> Just returning LDAP_BUSY seems best to me because if reliable HA is really >> important for a deployment you have decent load-balancers in front of your >> LDAP server which should do a proper health-check. The attached patch should provide the desired behavior. It needs more testing though. -- -- Howard Chu CTO, Symas Corp. http://www.symas.com Director, Highland Sun http://highlandsun.com/hyc/ Chief Architect, OpenLDAP http://www.openldap.org/project/ --------------050807020608030505070800 Content-Type: text/plain; charset=UTF-8; name="diff.txt" Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename="diff.txt" diff --git a/servers/slapd/syncrepl.c b/servers/slapd/syncrepl.c index 9b5c0f3..4ea8a70 100644 --- a/servers/slapd/syncrepl.c +++ b/servers/slapd/syncrepl.c @@ -148,6 +148,8 @@ static int syncrepl_add_glue_ancestors( /* delta-mmr overlay handler */ static int syncrepl_op_modify( Operation *op, SlapReply *rs ); +static int syncrepl_op_search( Operation *op, SlapReply *rs ); + /* callback functions */ static int dn_callback( Operation *, SlapReply * ); static int nonpresent_callback( Operation *, SlapReply * ); @@ -216,16 +218,14 @@ init_syncrepl(syncinfo_t *si) if ( !syncrepl_ov.on_bi.bi_type ) { syncrepl_ov.on_bi.bi_type = "syncrepl"; syncrepl_ov.on_bi.bi_op_modify = syncrepl_op_modify; + syncrepl_ov.on_bi.bi_op_search = syncrepl_op_search; overlay_register( &syncrepl_ov ); } - /* delta-MMR needs the overlay, nothing else does. - * This must happen before accesslog overlay is configured. - */ - if ( si->si_syncdata && - !overlay_is_inst( si->si_be, syncrepl_ov.on_bi.bi_type )) { + if (!overlay_is_inst( si->si_be, syncrepl_ov.on_bi.bi_type )) { overlay_config( si->si_be, syncrepl_ov.on_bi.bi_type, -1, NULL, NULL ); - if ( !ad_reqMod ) { + /* delta-MMR needs this. Must happen before accesslog overlay is configured. */ + if ( si->si_syncdata && !ad_reqMod ) { const char *text; logschema *ls = &accesslog_sc; @@ -1179,6 +1179,7 @@ do_syncrep2( } else { rc = -2; } + si->si_refreshDone = 1; goto done; case LDAP_RES_INTERMEDIATE: @@ -2164,6 +2165,31 @@ syncrepl_op_modify( Operation *op, SlapReply *rs ) } static int +syncrepl_op_search( Operation *op, SlapReply *rs ) +{ + slap_overinst *on = (slap_overinst *)op->o_bd->bd_info; + syncinfo_t *si; + + /* Allow syncrepl internal searches */ + if ( op->o_conn->c_conn_idx == -1 ) + return SLAP_CB_CONTINUE; + + /* Check if any of our consumers are refreshing */ + for ( si = op->o_bd->be_syncinfo; si; si = si->si_next ) { + /* If we have some state, allow other consumers to progress */ + if ( si->si_cookieState->cs_num > 0 && + op->o_sync > SLAP_CONTROL_IGNORED ) + return SLAP_CB_CONTINUE; + /* If we have any consumer refreshing, reject searches */ + if ( !si->si_refreshDone ) { + send_ldap_error( op, rs, LDAP_BUSY, "syncrepl refresh in progress" ); + return rs->sr_err; + } + } + return SLAP_CB_CONTINUE; +} + +static int syncrepl_message_to_op( syncinfo_t *si, Operation *op, --------------050807020608030505070800--

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Re: (ITS#7336) Ldapmodify crashes slapd when updating olcTLSVerifyClient attribute via TLS authentication
by ck＠cksoft.de 23 Mar '14

23 Mar '14

Hi, I can confirm that openldap-2.4.39 still has in issue with this. When connecting via TLS I tried to modify olcTLSVerifyClient from never to try with following ldif: dn: cn=config changetype: modify replace: olcTLSVerifyClient olcTLSVerifyClient: try this caused slapd to hang indefinetely. I was able to successfully modify above when connecting without TLS. I need to complete my current task but will set up a small proof of concept later on in my lab. Greetings Christian -- Christian Kratzer CK Software GmbH Email: ck(a)cksoft.de Wildberger Weg 24/2 Phone: +49 7032 893 997 - 0 D-71126 Gaeufelden Fax: +49 7032 893 997 - 9 HRB 245288, Amtsgericht Stuttgart Mobile: +49 171 1947 843 Geschaeftsfuehrer: Christian Kratzer Web: http://www.cksoft.de/

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(ITS#7825) LMDB: misleading error message
by timur.kristof＠gmail.com 22 Mar '14

22 Mar '14

Full_Name: Timur Kristóf Version: LMDB latest master OS: Fedora 20 URL: Submission from: (NULL) (94.248.245.60) Hi, I'm the author of the Node.js LMDB binding and I've found an interesting issue that might be useful to share with other people who develop bindings or applications on LMDB. When you operate on a dbi using a cursor and accidentally close the dbi before committing the transaction of the cursor, mdb_txn_commit will return MDB_BAD_VALSIZE. This is quite misleading because the problem doesn't actually have anything to do with what the error message suggests. ("Too big key/data, key is empty, or wrong DUPFIXED size") I suggest to either add a new kind of error code for this situation or to extend the description of MDB_BAD_VALSIZE. Here's a small test case which will demonstrate it: http://pastebin.com/hHwD1srf Best regards, Timur Kristóf

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Re: (ITS#7822) Segmentation fault while modifying olcDbMaxSize
by quanah＠zimbra.com 22 Mar '14

22 Mar '14

--On Friday, March 21, 2014 10:28 AM +0000 frederic.poisson(a)admin.gmessaging.net wrote: > Full_Name: Frederic POISSON > Version: 2.4.39 > OS: Linux RHEL5 > URL: ftp://ftp.openldap.org/incoming/ > Submission from: (NULL) (57.250.229.136) > > > Hello, > I have a Segmentation fault while i'm updating the value of olcDbMaxSize > parameter to a number inside olcDatabase={1}mdb,cn=config. The result of > a gdb backtrace show this error : > > Program received signal SIGSEGV, Segmentation fault. > [Switching to Thread 0x42499940 (LWP 31424)] > 0x0000000000553683 in ppolicy_connection_destroy (bd=0x424989d0, > conn=0x18ab2a50) at ppolicy.c:1260 > 1260 if ( !BER_BVISEMPTY( &pwcons[conn->c_conn_idx].dn )) { > > The ldif for the modification is : > dn: olcDatabase={1}mdb,cn=config > changetype: modify > replace: olcDbMaxSize > olcDbMaxSize: 20737418240 > > I will push onto FTP the full log of the backtrace, the cn=config.ldif > from slapcat. Hoping it could help for resolution. Please provide the full backtrace in the ITS --Quanah -- Quanah Gibson-Mount Architect - Server Zimbra, Inc. -------------------- Zimbra :: the leader in open source messaging and collaboration

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(ITS#7824) Segmentation fault while modifying olcDbMaxSize
by frederic.poisson＠admin.gmessaging.net 21 Mar '14

21 Mar '14

Full_Name: Frederic POISSON Version: 2.4.39 OS: Linux RHEL5 URL: ftp://ftp.openldap.org/incoming/ Submission from: (NULL) (57.250.229.136) Hello, I have a Segmentation fault while i'm updating the value of olcDbMaxSize parameter to a number inside olcDatabase={1}mdb,cn=config. The result of a gdb backtrace show this error : Program received signal SIGSEGV, Segmentation fault. [Switching to Thread 0x42499940 (LWP 31424)] 0x0000000000553683 in ppolicy_connection_destroy (bd=0x424989d0, conn=0x18ab2a50) at ppolicy.c:1260 1260 if ( !BER_BVISEMPTY( &pwcons[conn->c_conn_idx].dn )) { The ldif for the modification is : dn: olcDatabase={1}mdb,cn=config changetype: modify replace: olcDbMaxSize olcDbMaxSize: 20737418240 I will push onto FTP the full log of the backtrace, the cn=config.ldif from slapcat. Hoping it could help for resolution. Regards,

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(ITS#7823) Segmentation fault while modifying olcDbMaxSize
by frederic.poisson＠admin.gmessaging.net 21 Mar '14

21 Mar '14

Full_Name: Frederic POISSON Version: 2.4.39 OS: Linux RHEL5 URL: ftp://ftp.openldap.org/incoming/ Submission from: (NULL) (57.250.229.136) Hello, I have a Segmentation fault while i'm updating the value of olcDbMaxSize parameter to a number inside olcDatabase={1}mdb,cn=config. The result of a gdb backtrace show this error : Program received signal SIGSEGV, Segmentation fault. [Switching to Thread 0x42499940 (LWP 31424)] 0x0000000000553683 in ppolicy_connection_destroy (bd=0x424989d0, conn=0x18ab2a50) at ppolicy.c:1260 1260 if ( !BER_BVISEMPTY( &pwcons[conn->c_conn_idx].dn )) { The ldif for the modification is : dn: olcDatabase={1}mdb,cn=config changetype: modify replace: olcDbMaxSize olcDbMaxSize: 20737418240 I will push onto FTP the full log of the backtrace, the cn=config.ldif from slapcat. Hoping it could help for resolution. Regards,

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(ITS#7822) Segmentation fault while modifying olcDbMaxSize
by frederic.poisson＠admin.gmessaging.net 21 Mar '14

21 Mar '14

Full_Name: Frederic POISSON Version: 2.4.39 OS: Linux RHEL5 URL: ftp://ftp.openldap.org/incoming/ Submission from: (NULL) (57.250.229.136) Hello, I have a Segmentation fault while i'm updating the value of olcDbMaxSize parameter to a number inside olcDatabase={1}mdb,cn=config. The result of a gdb backtrace show this error : Program received signal SIGSEGV, Segmentation fault. [Switching to Thread 0x42499940 (LWP 31424)] 0x0000000000553683 in ppolicy_connection_destroy (bd=0x424989d0, conn=0x18ab2a50) at ppolicy.c:1260 1260 if ( !BER_BVISEMPTY( &pwcons[conn->c_conn_idx].dn )) { The ldif for the modification is : dn: olcDatabase={1}mdb,cn=config changetype: modify replace: olcDbMaxSize olcDbMaxSize: 20737418240 I will push onto FTP the full log of the backtrace, the cn=config.ldif from slapcat. Hoping it could help for resolution. Regards,

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(ITS#7821) address of strcasecmp in ldapsearch.c
by heiko.nardmann＠itechnical.de 20 Mar '14

20 Mar '14

Full_Name: Heiko Nardmann Version: 2.4.39 OS: MinGW32 URL: ftp://ftp.openldap.org/incoming/ Submission from: (NULL) (2001:a60:f08d:1:159e:f75f:8f0:44f1) In clients/tools/ldapsearch.c the address of 'strcasecmp' is taken (inside 'dosearch()') around line 1455. That means that 'strcasecmp' is exported as an undefined symbol into ldapsearch.o even if 'strcasecmp' is declared as 'always_inline'. MinGW is such a platform which offers 'strcasecmp' by providing an inline version of 'strcasecmp' (redirecting it to 'stricmp'). So this taking of an address breaks linking. Workaround: before 'dosearch()' I place a local wrapper: static int local_strcasecmp(const char *s1, const char *s2) { return strcasecmp(s1, s2); } and inside 'dosearch' instead of if( sortattr ) { (void) ldap_sort_entries( ld, &res, ( *sortattr == '\0' ) ? NULL : sortattr, strcasecmp ); } I now have if( sortattr ) { (void) ldap_sort_entries( ld, &res, ( *sortattr == '\0' ) ? NULL : sortattr, local_strcasecmp ); } Some options to really solve that issue: 1) use my approach for all platforms. 2) change autoconf stuff to detect whether 'strcasecmp' is just inlined (MinGW) or a "real" function (other platforms). Thx in advance! Heiko

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Re: (ITS#7587) slapd crashes when using pcache overlay applied to a translucent proxy
by hyc＠symas.com 18 Mar '14

18 Mar '14

amoneger(a)cisco.com wrote: > Full_Name: Alex > Version: 2.4.35 > OS: Centos 6.3 (2.6.32-279.el6.x86_64 #1 SMP) > URL: ftp://ftp.openldap.org/incoming/ > Submission from: (NULL) (64.103.25.102) > > > When using the pcache overlay over a translucent proxy, the slapd daemon crashes > after the second LDAP request which misses the cache. For example, the following > requests will trigger the issue. The important part is to miss the cache. > Assuming nothing is cached for the aaaa and bbbb uid, the following request will > trigger the issue (172.16.206.156 being the openldap server): Thanks for the report, this is now fixed in git master. > ldapsearch -x -H ldap://172.16.206.156 -b "ou=yyyy,o=xxxx" -LLL "uid=aaaa" uid > st > ldapsearch -x -H ldap://172.16.206.156 -b "ou=yyyy,o=xxxx" -LLL "uid=bbbb" uid > st > > Whether aaaa and bbbb exist or not does not matter. > > The following config is used: > > include /usr/local/etc/openldap/schema/core.schema > include /usr/local/etc/openldap/schema/cosine.schema > include /usr/local/etc/openldap/schema/inetorgperson.schema > include /usr/local/etc/openldap/schema/misc.schema > include /usr/local/etc/openldap/schema/nis.schema > > moduleload pcache.la > moduleload translucent.la > > database bdb > suffix "o=xxxx" > #checkpoint 1024 15 > rootdn "uid=amoneger,ou=yyyy,o=xxxx" > overlay translucent > translucent_local uidNumber,gidNumber,homeDirectory,loginShell > translucent_strict > rootdn "uid=amoneger,ou=yyyy,o=xxxx" > uri ldap://zzzz/ > #tls ldaps tls_reqcert=demand > tls_cacert=/usr/local/etc/openldap/certs/Cisco_ca_chain > overlay pcache > pcache bdb 10000 1 50 100 > pcacheAttrset 0 * > pcacheTemplate (uid=) 0 3600 > pcacheBind (uid=) 0 1800 sub ou=yyyy,o=xxxx > pcacheOffline TRUE > pcachePersist TRUE > pcacheValidate FALSE > directory /var/cache/ldap > cachesize 1000 > index pcacheQueryid eq > > The crash seems to be caused by a SIGABRT which is raised by libc free() due to > a double free. Here is the traceback: > Breakpoint 2, 0x000000312aa33f10 in abort () from /lib64/libc.so.6 > (gdb) c > Continuing. > > Program received signal SIGABRT, Aborted. > 0x000000312aa328a5 in raise () from /lib64/libc.so.6 > (gdb) bt > #0 0x000000312aa328a5 in raise () from /lib64/libc.so.6 > #1 0x000000312aa34085 in abort () from /lib64/libc.so.6 > #2 0x000000312aa707b7 in __libc_message () from /lib64/libc.so.6 > #3 0x000000312aa760e6 in malloc_printerr () from /lib64/libc.so.6 > #4 0x000000000042391e in do_search (op=0x7f135c000b80, rs=0x7f1366764930) at > search.c:263 > #5 0x0000000000421449 in connection_operation (ctx=0x7f1366764a90, > arg_v=0x7f135c000b80) at connection.c:1155 > #6 0x0000000000421c25 in connection_read_thread (ctx=0x7f1366764a90, > argv=<value optimized out>) at connection.c:1291 > #7 0x00000000005601f0 in ldap_int_thread_pool_wrapper (xpool=0x1f42770) at > tpool.c:688 > #8 0x000000312b207851 in start_thread () from /lib64/libpthread.so.0 > #9 0x000000312aae890d in clone () from /lib64/libc.so.6 > > I was unable to track back the particular piece of code triggering the double > free, but the same pointer p is freed twice by ber_memfree_x() in memory.c: > > (gdb) delete 3 > (gdb) break search.c:263 > Breakpoint 4 at 0x5645df: file search.c, line 263. > (gdb) c > Continuing. > > Breakpoint 4, do_search (op=0x7fa554002930, rs=0x7fa5623a4930) at search.c:263 > 263 op->o_tmpfree( op->ors_attrs, op->o_tmpmemctx ); > (gdb) s > slap_sl_free (ptr=0x1d64a10, ctx=0x7fa554002780) at sl_malloc.c:493 > 493 { > (gdb) s > 498 if (!ptr) > (gdb) s > 501 if (No_sl_malloc || !sh || ptr < sh->sh_base || ptr >= sh->sh_end) { > (gdb) s > 502 ber_memfree_x(ptr, NULL); > (gdb) s > 649 } > (gdb) s > 502 ber_memfree_x(ptr, NULL); > (gdb) s > ber_memfree_x (p=0x1d64a10, ctx=0x0) at memory.c:127 > 127 { > (gdb) s > 128 if( p == NULL ) { > (gdb) s > 134 if( ber_int_memory_fns == NULL || ctx == NULL ) { > (gdb) s > 160 } > (gdb) s > 152 free( p ); > (gdb) print p > $1 = (void *) 0x1d64a10 > (gdb) x/10x p > 0x1d64a10: 0x00000001 0x00000000 0x005ffd31 0x00000000 > 0x1d64a20: 0x00000000 0x00000000 0x00000000 0x00000000 > 0x1d64a30: 0x00000000 0x00000000 > (gdb) c > Continuing. > [New Thread 0x7fa561994700 (LWP 5823)] > > Breakpoint 4, do_search (op=0x7fa554002930, rs=0x7fa5623a4930) at search.c:263 > 263 op->o_tmpfree( op->ors_attrs, op->o_tmpmemctx ); > (gdb) s > slap_sl_free (ptr=0x1d64a10, ctx=0x7fa554002780) at sl_malloc.c:493 > 493 { > (gdb) s > 498 if (!ptr) > (gdb) s > 501 if (No_sl_malloc || !sh || ptr < sh->sh_base || ptr >= sh->sh_end) { > (gdb) s > 502 ber_memfree_x(ptr, NULL); > (gdb) s > 649 } > (gdb) s > 502 ber_memfree_x(ptr, NULL); > (gdb) s > ber_memfree_x (p=0x1d64a10, ctx=0x0) at memory.c:127 > 127 { > (gdb) s > 128 if( p == NULL ) { > (gdb) s > 134 if( ber_int_memory_fns == NULL || ctx == NULL ) { > (gdb) s > 160 } > (gdb) s > 152 free( p ); > (gdb) print P > No symbol "P" in current context. > (gdb) print p > $2 = (void *) 0x1d64a10 > (gdb) x/10x p > 0x1d64a10: 0x00000000 0x00000000 0x005ffd31 0x00000000 > 0x1d64a20: 0x00000000 0x00000000 0x00000000 0x00000000 > 0x1d64a30: 0x00000000 0x00000000 > > So the same pointer is being freed twice by the 2 connections which miss the > cache. I'm unable to figure out who is responsible for that call though, but the > same op->ors_attrs is freed by do_search(): > > if ( op->ors_attrs != NULL ) { > op->o_tmpfree( op->ors_attrs, op->o_tmpmemctx ); > > Parameters seem correct in both cases: > (gdb) print op->o_hdr->oh_tmpmfuncs->bmf_free > $12 = (BER_MEMFREE_FN *) 0x4733f0 <slap_sl_free> > (gdb) print op->o_request.oq_search.rs_attrs > $15 = (AttributeName *) 0x1f85a10 > > The call is done via connection_operation(), but that code part is a bit above > my head, so I'm unable to track this further. > > I thought this could be due to a threading problem, but building slapd with > --with-threads=no does not make a difference. > > I tried uploading the core dump to your ftp server, but seems like there is an > issue with ftp.openldap.org > [root@centos63 tmp]# ftp ftp.openldap.org > Trying 204.152.186.57... > Connected to ftp.openldap.org (204.152.186.57). > 220- OpenLDAP FTP Service > 220 boole.openldap.org FTP server (Version 6.00LS) ready. > Name (ftp.openldap.org:cisco): anonymous > 331 Guest login ok, send your email address as password. > Password: > 230- Copyright 1998-2010, The OpenLDAP Foundation, All Rights Reserved. > 230- COPYING RESTRICTIONS APPLY, see: > 230- ftp://ftp.openldap.org/COPYRIGHT > 230- ftp://ftp.openldap.org/LICENSE > 230 Guest login ok, access restrictions apply. > Remote system type is UNIX. > Using binary mode to transfer files. > ftp> cd incoming > 250 CWD command successful. > ftp> binary > 200 Type set to I. > ftp> put core-slapd-6-55-55-26548-1368063267 > local: core-slapd-6-55-55-26548-1368063267 remote: > core-slapd-6-55-55-26548-1368063267 > 227 Entering Passive Mode (204,152,186,57,242,33) > 553 core-slapd-6-55-55-26548-1368063267: No space left on device. > > Let me know if you need anything. I can provide further debugs or cores. I'm > also happy to try things out. > > Cheers, > Alex > > -- -- 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#7723
by hyc＠symas.com 18 Mar '14

18 Mar '14

michael(a)stroeder.com wrote: > Could anybody please review the patch Jan provided in his last follow-up? > > http://www.openldap.org/its/index.cgi?findid=7723#followup9 > > Anythin wrong with his reference count fix? > > We are getting occasional seg faults in slapo-rwm which are very hard to > reproduce and therefore are considering this patch. Looks OK to me, committed to master. Please report back any positive/negative results. -- -- 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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ITS#7723
by michael＠stroeder.com 18 Mar '14

18 Mar '14

Could anybody please review the patch Jan provided in his last follow-up? http://www.openldap.org/its/index.cgi?findid=7723#followup9 Anythin wrong with his reference count fix? We are getting occasional seg faults in slapo-rwm which are very hard to reproduce and therefore are considering this patch. Ciao, Michael.

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Re: (ITS#7820) slapo-constraint falsely allows add with count 1
by pierangelo.masarati＠polimi.it 15 Mar '14

15 Mar '14

On 03/15/2014 05:38 PM, michael(a)stroeder.com wrote: > Full_Name: > Version: 2.4.39 > OS: not relevant > URL: > Submission from: (NULL) (79.219.107.130) > > > Not sure whether this is a regression caused by the fix for ITS#7773. > > Given this constraint: > > constraint_attribute > uid > count 1 > restrict="ldap:///ou=example??sub?(objectClass=account)" > > One can still add two 'uid' values when sending an add request like this: > > dn: uid=test1,ou=example > changetype: add > objectClass: account > uid: test2 > [..] > > Generally I don't like this magic of accepting both attribute values from DN and > entry. :-/ Indeed, the check (and magic) of adding distinguished value(s) to entry occurs during entry_naming_check(), which occurs during entry_schema_check(), which occurs in the backend add operations, right after overlays had a chance to look at the entry. 2 approaches: a) anticipate naming check b) duplicate naming check in slapo-constraint (b) is a waste, but "localized"; not sure what would be the side effects of (a). p. -- Pierangelo Masarati Associate Professor Dipartimento di Scienze e Tecnologie Aerospaziali Politecnico di Milano

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(ITS#7820) slapo-constraint falsely allows add with count 1
by michael＠stroeder.com 15 Mar '14

15 Mar '14

Full_Name: Version: 2.4.39 OS: not relevant URL: Submission from: (NULL) (79.219.107.130) Not sure whether this is a regression caused by the fix for ITS#7773. Given this constraint: constraint_attribute uid count 1 restrict="ldap:///ou=example??sub?(objectClass=account)" One can still add two 'uid' values when sending an add request like this: dn: uid=test1,ou=example changetype: add objectClass: account uid: test2 [..] Generally I don't like this magic of accepting both attribute values from DN and entry. :-/

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Re: (ITS#7673) rwm and bad ACL evaluation
by hyc＠symas.com 15 Mar '14

15 Mar '14

michael(a)stroeder.com wrote: > This is a cryptographically signed message in MIME format. Is it really necessary to sign your emails to the ITS? The PKCS7 signature is longer than the message text. > --------------ms020400000305090906010704 > Content-Type: text/plain; charset=ISO-8859-1 > Content-Transfer-Encoding: quoted-printable > > Mosemann, Russell wrote: >>> Did you already try with this? >>> >>> rwm-drop-unrequested-attrs no >> =20 >> If you look through the messages >> (http://www.openldap.org/its/index.cgi?findid=3D7673), you will see tha= > t the >> same suggestion was made by Pierangelo Masarati 6 months ago in followu= > p 5. >> My response in followup 6 was that it doesn't work. A quick test indica= > tes >> that it still does not work in 2.4.39. > > I had a similar issue myself before: > > http://www.openldap.org/its/index.cgi?findid=3D7495 > > Using extra_attrs as suggested by Hallvard gave seg fault as result. > Did not investigate it further though. > > Using slapo-rwm is a pain. One will hit many seg faults. There are quite a few open bug reports against slapo-rwm. Patches welcome. > > Ciao, Michael. -- -- 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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