openldap-bugs January 2013

openldap-bugs@openldap.org

24 participants
98 discussions

Re: (ITS#7493) slapo-allowed: allowed* attrs are replicated
by michael＠stroeder.com 15 Jan '13

15 Jan '13

On Tue, 15 Jan 2013 13:37:06 GMT masarati(a)aero.polimi.it wrote > On 01/15/2013 01:56 PM, hyc(a)symas.com wrote: > > On Tue, Jan 15, 2013 at 12:18:59PM +0000, michael(a)stroeder.com wrote: > >> Full_Name: > >> Version: RE24 6f33e2c > >> OS: > >> URL: > >> Submission from: (NULL) (2001:8d8:1fe:1:d6be:d9ff:fe06:a14f) > >> > >> > >> It seems that operational attributes generated by slapo-allowed are > >> replicated. > > > Works as designed. These attributes are directoryOperation, not > > DSA-specific. > > I see the point; since they're generated by the overlay in response to > search operations, either they should not be replicated, or replication > should accept them. > > Their value depends on ACLs, so in order to reflect ACLs on a specific > DSA they should be generated; however, I concur ACLs should not depend > on the specific DSA of a replication setup. The values depend on local ACLs *and* current authz-DN. => These attributes MUST NOT be replicated. Ciao, Michael.

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Re: (ITS#7493) slapo-allowed: allowed* attrs are replicated
by michael＠stroeder.com 15 Jan '13

15 Jan '13

On Tue, 15 Jan 2013 12:56:35 GMT hyc(a)symas.com wrote > > It seems that operational attributes generated by slapo-allowed are > > replicated. > > Works as designed. These attributes are directoryOperation, not DSA-specific. > Closing this ITS. The fact that slapo-allowed in contrib/ does not declare the attribute types as DSA-specific does not mean that they are not DSA-specific. I guess MS AD does not care about subschema DSA-specific or not so we have to apply common sense here. The allowed* attr values are supposed to be generated based on the local access control configuration. Since with OpenLDAP local configuration and therefore local ACLs can differ on different replicas these attrs MUST NOT be replicated. Please re-open the ITS. Ciao, Michael.

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Re: (ITS#7493) slapo-allowed: allowed* attrs are replicated
by masarati＠aero.polimi.it 15 Jan '13

15 Jan '13

On 01/15/2013 01:56 PM, hyc(a)symas.com wrote: > On Tue, Jan 15, 2013 at 12:18:59PM +0000, michael(a)stroeder.com wrote: >> Full_Name: >> Version: RE24 6f33e2c >> OS: >> URL: >> Submission from: (NULL) (2001:8d8:1fe:1:d6be:d9ff:fe06:a14f) >> >> >> It seems that operational attributes generated by slapo-allowed are replicated. > > Works as designed. These attributes are directoryOperation, not DSA-specific. I see the point; since they're generated by the overlay in response to search operations, either they should not be replicated, or replication should accept them. Their value depends on ACLs, so in order to reflect ACLs on a specific DSA they should be generated; however, I concur ACLs should not depend on the specific DSA of a replication setup. I'm open to suggestions about how to fix this. p. -- Pierangelo Masarati Associate Professor Dipartimento di Ingegneria Aerospaziale Politecnico di Milano

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Re: (ITS#7493) slapo-allowed: allowed* attrs are replicated
by hyc＠symas.com 15 Jan '13

15 Jan '13

On Tue, Jan 15, 2013 at 12:18:59PM +0000, michael(a)stroeder.com wrote: > Full_Name: > Version: RE24 6f33e2c > OS: > URL: > Submission from: (NULL) (2001:8d8:1fe:1:d6be:d9ff:fe06:a14f) > > > It seems that operational attributes generated by slapo-allowed are replicated. Works as designed. These attributes are directoryOperation, not DSA-specific. Closing this ITS. > Syslog shows: > mods check (allowedAttributes: value #0 invalid per syntax) >

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(ITS#7493) slapo-allowed: allowed* attrs are replicated
by michael＠stroeder.com 15 Jan '13

15 Jan '13

Full_Name: Version: RE24 6f33e2c OS: URL: Submission from: (NULL) (2001:8d8:1fe:1:d6be:d9ff:fe06:a14f) It seems that operational attributes generated by slapo-allowed are replicated. Syslog shows: mods check (allowedAttributes: value #0 invalid per syntax)

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(ITS#7492) add "onerr" to back-ldap
by masarati＠aero.polimi.it 11 Jan '13

11 Jan '13

Full_Name: Pierangelo Masarati Version: HEAD OS: irrelevant URL: ftp://ftp.openldap.org/incoming/ Submission from: (NULL) (2.40.21.25) Submitted by: ando back-meta supports "onerr" to determine search behavior when an error is returned by a remote server; a similar behavior may be desirable for back-ldap. Right now, when an error occurs, back-ldap stops sending entries and returns success. The "onerr stop" directive makes back-ldap return the error instead; "onerr continue" produces the current behavior.

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Re: (ITS#7491) mdb write bus error before adding 5 million keys
by clayton.stangeland＠gmail.com 11 Jan '13

11 Jan '13

Thank you. I did not consider the transaction size. On 1/11/13, Howard Chu <hyc(a)symas.com> wrote: > clayton.stangeland(a)gmail.com wrote: >> Full_Name: Clayton Stangeland >> Version: git mdb.master last commit >> fed573cb86ed99f37bd062908ec814ee0ca47053 >> OS: Fedora 17 64 bit >> URL: ftp://ftp.openldap.org/incoming/mtest-big.c >> Submission from: (NULL) (192.94.73.31) >> >> >> Building and running mdb from git branch mdb.master commit >> fed573cb86ed99f37bd062908ec814ee0ca47053 on Fedora 17 64 bit I get a bus >> error. > > Thanks for the report. The bus error is now fixed in git mdb.master. We > assume > that most users will not batch so many operations into a single > transaction. >> >> When running the test below, which is a modification of mtest.c, I get a >> Bus >> error. This happens while trying to write the file. gdb reports line 3936 >> of >> mdb.c as the erroring line inside mdb_page_search_root: while >> (IS_BRANCH(mp)) { >> >> If I set count to 4 million instead of 5 million it works, and adding back >> in >> all the other mtest.c tests works as well then. >> >> Here is the code: >> /* mtest.c - memory-mapped database tester/toy */ >> /* >> * Copyright 2011 Howard Chu, Symas Corp. >> * 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 >> * <http://www.OpenLDAP.org/license.html>. >> */ >> #define _XOPEN_SOURCE 500 /* srandom(), random() */ >> #include <stdio.h> >> #include <stdlib.h> >> #include <time.h> >> #include "lmdb.h" >> >> int main(int argc,char * argv[]) >> { >> int i = 0, j = 0, rc; >> MDB_env *env; >> MDB_dbi dbi; >> MDB_val key, data; >> MDB_txn *txn; >> MDB_stat mst; >> MDB_cursor *cursor; >> int count; >> int *values; >> char sval[32]; >> >> srandom(time(NULL)); >> >> count = (5000000) + 64; >> values = (int *)malloc(count*sizeof(int)); >> >> for(i = 0;i<count;i++) { >> values[i] = random()%1000000000; >> } >> >> rc = mdb_env_create(&env); >> rc = mdb_env_set_mapsize(env, 10485760000); >> rc = mdb_env_open(env, "./testdb", MDB_FIXEDMAP >> /*|MDB_NOSYNC*/, >> 0664); >> rc = mdb_txn_begin(env, NULL, 0, &txn); >> rc = mdb_open(txn, NULL, 0, &dbi); >> >> key.mv_size = sizeof(sval); >> key.mv_data = sval; >> data.mv_size = sizeof(sval); >> data.mv_data = sval; >> >> for (i=0;i<count;i++) { >> sprintf(sval, "%08x %d foo bar", values[i], >> values[i]); >> rc = mdb_put(txn, dbi, &key, &data, >> MDB_NOOVERWRITE); >> if (rc) j++; >> } >> if (j) printf("%d duplicates skipped\n", j); >> rc = mdb_txn_commit(txn); >> rc = mdb_env_stat(env, &mst); >> >> free(values); >> mdb_close(env, dbi); >> mdb_env_close(env); >> >> return 0; >> >> } >> >> > > > -- > -- 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#7491) mdb write bus error before adding 5 million keys
by hyc＠symas.com 11 Jan '13

11 Jan '13

clayton.stangeland(a)gmail.com wrote: > Full_Name: Clayton Stangeland > Version: git mdb.master last commit fed573cb86ed99f37bd062908ec814ee0ca47053 > OS: Fedora 17 64 bit > URL: ftp://ftp.openldap.org/incoming/mtest-big.c > Submission from: (NULL) (192.94.73.31) > > > Building and running mdb from git branch mdb.master commit > fed573cb86ed99f37bd062908ec814ee0ca47053 on Fedora 17 64 bit I get a bus error. Thanks for the report. The bus error is now fixed in git mdb.master. We assume that most users will not batch so many operations into a single transaction. > > When running the test below, which is a modification of mtest.c, I get a Bus > error. This happens while trying to write the file. gdb reports line 3936 of > mdb.c as the erroring line inside mdb_page_search_root: while (IS_BRANCH(mp)) { > > If I set count to 4 million instead of 5 million it works, and adding back in > all the other mtest.c tests works as well then. > > Here is the code: > /* mtest.c - memory-mapped database tester/toy */ > /* > * Copyright 2011 Howard Chu, Symas Corp. > * 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 > * <http://www.OpenLDAP.org/license.html>. > */ > #define _XOPEN_SOURCE 500 /* srandom(), random() */ > #include <stdio.h> > #include <stdlib.h> > #include <time.h> > #include "lmdb.h" > > int main(int argc,char * argv[]) > { > int i = 0, j = 0, rc; > MDB_env *env; > MDB_dbi dbi; > MDB_val key, data; > MDB_txn *txn; > MDB_stat mst; > MDB_cursor *cursor; > int count; > int *values; > char sval[32]; > > srandom(time(NULL)); > > count = (5000000) + 64; > values = (int *)malloc(count*sizeof(int)); > > for(i = 0;i<count;i++) { > values[i] = random()%1000000000; > } > > rc = mdb_env_create(&env); > rc = mdb_env_set_mapsize(env, 10485760000); > rc = mdb_env_open(env, "./testdb", MDB_FIXEDMAP /*|MDB_NOSYNC*/, > 0664); > rc = mdb_txn_begin(env, NULL, 0, &txn); > rc = mdb_open(txn, NULL, 0, &dbi); > > key.mv_size = sizeof(sval); > key.mv_data = sval; > data.mv_size = sizeof(sval); > data.mv_data = sval; > > for (i=0;i<count;i++) { > sprintf(sval, "%08x %d foo bar", values[i], values[i]); > rc = mdb_put(txn, dbi, &key, &data, MDB_NOOVERWRITE); > if (rc) j++; > } > if (j) printf("%d duplicates skipped\n", j); > rc = mdb_txn_commit(txn); > rc = mdb_env_stat(env, &mst); > > free(values); > mdb_close(env, dbi); > mdb_env_close(env); > > return 0; > > } > > -- -- 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#7491) mdb write bus error before adding 5 million keys
by clayton.stangeland＠gmail.com 11 Jan '13

11 Jan '13

Full_Name: Clayton Stangeland Version: git mdb.master last commit fed573cb86ed99f37bd062908ec814ee0ca47053 OS: Fedora 17 64 bit URL: ftp://ftp.openldap.org/incoming/mtest-big.c Submission from: (NULL) (192.94.73.31) Building and running mdb from git branch mdb.master commit fed573cb86ed99f37bd062908ec814ee0ca47053 on Fedora 17 64 bit I get a bus error. When running the test below, which is a modification of mtest.c, I get a Bus error. This happens while trying to write the file. gdb reports line 3936 of mdb.c as the erroring line inside mdb_page_search_root: while (IS_BRANCH(mp)) { If I set count to 4 million instead of 5 million it works, and adding back in all the other mtest.c tests works as well then. Here is the code: /* mtest.c - memory-mapped database tester/toy */ /* * Copyright 2011 Howard Chu, Symas Corp. * 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 * <http://www.OpenLDAP.org/license.html>. */ #define _XOPEN_SOURCE 500 /* srandom(), random() */ #include <stdio.h> #include <stdlib.h> #include <time.h> #include "lmdb.h" int main(int argc,char * argv[]) { int i = 0, j = 0, rc; MDB_env *env; MDB_dbi dbi; MDB_val key, data; MDB_txn *txn; MDB_stat mst; MDB_cursor *cursor; int count; int *values; char sval[32]; srandom(time(NULL)); count = (5000000) + 64; values = (int *)malloc(count*sizeof(int)); for(i = 0;i<count;i++) { values[i] = random()%1000000000; } rc = mdb_env_create(&env); rc = mdb_env_set_mapsize(env, 10485760000); rc = mdb_env_open(env, "./testdb", MDB_FIXEDMAP /*|MDB_NOSYNC*/, 0664); rc = mdb_txn_begin(env, NULL, 0, &txn); rc = mdb_open(txn, NULL, 0, &dbi); key.mv_size = sizeof(sval); key.mv_data = sval; data.mv_size = sizeof(sval); data.mv_data = sval; for (i=0;i<count;i++) { sprintf(sval, "%08x %d foo bar", values[i], values[i]); rc = mdb_put(txn, dbi, &key, &data, MDB_NOOVERWRITE); if (rc) j++; } if (j) printf("%d duplicates skipped\n", j); rc = mdb_txn_commit(txn); rc = mdb_env_stat(env, &mst); free(values); mdb_close(env, dbi); mdb_env_close(env); return 0; }

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(ITS#7490) Security weakness in sha2 password module
by mhardin＠symas.com 10 Jan '13

10 Jan '13

Full_Name: Matthew Hardin Version: 2.4.33+ OS: All URL: ftp://ftp.openldap.org/incoming/sha2.c-diff.txt Submission from: (NULL) (69.43.206.100) contrib/slapd-modules/passwd/sha2/sha2.c uses a series of context buffers and zeros them out in several places using the following macro: MEMSET_BZERO(context, sizeof(context)) The variable 'context' is a pointer to a context buffer, so sizeof will evaluate to the size of a pointer for the particular platform. As a result, the context buffer is only partially zeroed. The correct invocation is: MEMSET_BZERO(context, sizeof(*context)) which will zero out the complete context buffer. The referenced diff details the changes to sha2.c that are necessary to correct this issue. Note this also cleans up warnings reported by MacOS's clang compiler. I, Matthew Hardin, hereby place the following modifications to OpenLDAP Software (and only these modifications) into the public domain. Hence, these modifications may be freely used and/or redistributed for any purpose with or without attribution and/or other notice.

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openldap-bugs January 2013