openldap-bugs August 2009

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35 participants
225 discussions

Re: (ITS#6194) Patch - Enhancement - provide LDIF support as libldif
by michael＠stroeder.com 18 Aug '09

18 Aug '09

rmeggins(a)redhat.com wrote: > One thing that a general purpose LDIF parser needs is support for change > records - for example, the ability to read in a changetype: modify and > parse the changes into an LDAPMod ** or something like that. There's > already code in ldapmodify to do this, it would need to be refactored > into libldif. There are not only add/modify operations possible in a LDIF file. Personally I'm banging my head about adding full support for change records in python-ldap's LDIF parser. At the end one would have to trigger all LDAP operations including processing of LDAPv3 extended controls. So I guess for a C API this would mean a call-back interface full-featured like libldap itself. (So the next question would be whether to stick with this LDAP C API...) Ciao, Michael.

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Re: (ITS#6261) Misparsing when commas present in LDAP URL DNs
by hyc＠symas.com 18 Aug '09

18 Aug '09

jwm(a)horde.net wrote: > Full_Name: John Morrissey > Version: RE24 > OS: Linux > URL: ftp://ftp.openldap.org/incoming/ > Submission from: (NULL) (66.133.190.110) > > > libldap's ldap_url_parselist_int() splits URLs on spaces (" ") and commas > (",") when parsing them. Commas in LDAP URLs do not need to be > percent-encoded (in fact, section 4 of RFC 4516 has a number of examples > with non-encoded commas). > Perhaps this is a documentation bug. In that case, ldap_open(3) should > mention this behavior, especially since it conflicts with RFC 4516. Looks like a doc bug to me. Note that the commandline tools state explicitly: -H ldapuri Specify URI(s) referring to the ldap server(s); a list of URI, separated by whitespace or commas is expected; only the proto‐ col/host/port fields are allowed. The ldap_open(3) manpage should say the same. -- -- 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#6261) Misparsing when commas present in LDAP URL DNs
by jwm＠horde.net 18 Aug '09

18 Aug '09

Full_Name: John Morrissey Version: RE24 OS: Linux URL: ftp://ftp.openldap.org/incoming/ Submission from: (NULL) (66.133.190.110) libldap's ldap_url_parselist_int() splits URLs on spaces (" ") and commas (",") when parsing them. Commas in LDAP URLs do not need to be percent-encoded (in fact, section 4 of RFC 4516 has a number of examples with non-encoded commas). This causes failure in situations like passing a full URL to ldap_initialize(): ldap_initialize("ldap://localhost/dc=example,dc=com"); Breakpoint 1, ldap_url_parselist_int (ludlist=0x7fff99b56470, url=0x400d10 "ldap://localhost:390/dc=example,dc=com", sep=0x0, flags=3) at url.c:1284 [...] 1293 urls = ldap_str2charray( url, sep ); (gdb) 1294 if (urls == NULL) (gdb) print urls[0] $1 = 0xb69280 "ldap://localhost:390/dc=example" (gdb) print urls[1] $2 = 0xb691b0 "dc=com" ldap_url_parselist_int calls ldap_url_parse_ext() on urls[1], which returns LDAP_URL_ERR_BADSCHEME. This makes its way back to ldap_initialize()'s caller as LDAP_PARAM_ERROR. The client tools accept comma-separated lists of URLs passed to -H. It seems better to modify ldap_url_parselist{,_int}() to split on spaces and use ldap_url_parselist_ext() to override this behavior where necessary for backwards compatibility (such as in client tools). Perhaps this is a documentation bug. In that case, ldap_open(3) should mention this behavior, especially since it conflicts with RFC 4516. >From RFC 4516: -- 2.1. Percent-Encoding A generated LDAP URL MUST consist only of the restricted set of characters included in one of the following three productions defined in [RFC3986]: <reserved> <unreserved> <pct-encoded> Implementations SHOULD accept other valid UTF-8 strings [RFC3629] as input. An octet MUST be encoded using the percent-encoding mechanism described in section 2.1 of [RFC3986] in any of these situations: The octet is not in the reserved set defined in section 2.2 of [RFC3986] or in the unreserved set defined in section 2.3 of [RFC3986]. It is the single Reserved character '?' and occurs inside a <dn>, <filter>, or other element of an LDAP URL. It is a comma character ',' that occurs inside an <exvalue>. Note that before the percent-encoding mechanism is applied, the extensions component of the LDAP URL may contain one or more null (zero) bytes. No other component may. -- And from RFC 2986: -- 2.2. Reserved Characters [...] reserved = gen-delims / sub-delims gen-delims = ":" / "/" / "?" / "#" / "[" / "]" / "@" sub-delims = "!" / "$" / "&" / "'" / "(" / ")" / "*" / "+" / "," / ";" / "=" --

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Re: (ITS#6194) Patch - Enhancement - provide LDIF support as libldif
by rmeggins＠redhat.com 18 Aug '09

18 Aug '09

This is a cryptographically signed message in MIME format. --------------ms040103040408070506080709 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit One thing that a general purpose LDIF parser needs is support for change records - for example, the ability to read in a changetype: modify and parse the changes into an LDAPMod ** or something like that. There's already code in ldapmodify to do this, it would need to be refactored into libldif. Since the library should be able to parse any sort of LDIF, the parse function would have to read in the first couple of lines of each LDIF record to determine if it is a plain entry or a change record. The parser would return a struct with a union for the different sets of parameters. 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(ITS#6260) ldap_get/set_option() does not document SASL/TLS options
by masarati＠aero.polimi.it 18 Aug '09

18 Aug '09

Full_Name: Pierangelo Masarati Version: HEAD OS: irrelevant URL: ftp://ftp.openldap.org/incoming/ Submission from: (NULL) (93.149.38.235) Submitted by: ando Probably we better expose them in the documentation, although LDAP_OPT_X_*. p.

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Re: (ITS#6257) libldap: getopt flag to return the SASL username
by masarati＠aero.polimi.it 18 Aug '09

18 Aug '09

> libldap should be capable of returning SASL username obtained with > sasl_getprop( sasl_context, SASL_USERNAME, ... ) as result of > ldap_get_option() Added to HEAD (LDAP_OPT_X_SASL_USERNAME); please test. Thanks, p.

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Re: (ITS#6259) test020 core dumps
by masarati＠aero.polimi.it 18 Aug '09

18 Aug '09

Can't reproduce, although I can see memory leaks (in entry duplication). p.

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(ITS#6259) test020 core dumps
by dieter＠dkluenter.de 18 Aug '09

18 Aug '09

Full_Name: Dieter Kluenter Version: HEAD OS: openSUSE-11.1 URL: ftp://ftp.openldap.org/incoming/ Submission from: (NULL) (87.154.40.47) my configure flags CFLAGS="-DLDAP_DEVEL -g -march=athlon64" LIBS="-ltcmalloc" ./configure \ --prefix=${PREFIX} \ --enable-dynamic \ --enable-aci \ --enable-modules \ --enable-rewrite \ --enable-bdb=yes \ --enable-hdb=yes \ --enable-ldap=mod \ --enable-monitor=yes \ --enable-meta=mod \ --enable-perl=mod \ --enable-relay=mod \ --enable-monitor=yes \ --enable-sql=mod \ --enable-overlays=mod make depend && make && cd tests test020 core dumps with Core was generated by `/work/ldap-src/servers/slapd/.libs/lt-slapd -s0 -f /work/ldap-src/tests/testrun'. Program terminated with signal 11, Segmentation fault. backtrace is (gdb) bt #0 free (ptr=0x1100ffffff) at src/tcmalloc.cc:842 #1 0x00007f2479ca1bca in ber_memfree_x (p=0x1100ffffff, ctx=0x0) at memory.c:152 #2 0x00007f24753d03a0 in ?? () from /usr/lib64/libldap-2.4.so.2 #3 0x00007f24753b599f in ?? () from /usr/lib64/libldap-2.4.so.2 #4 0x0000000000af9cc8 in ?? () #5 0x0000000000000000 in ?? () (gdb) frame 1 #1 0x00007f2479ca1bca in ber_memfree_x (p=0x1100ffffff, ctx=0x0) at memory.c:152 152 free( p ); Current language: auto; currently c

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Re: (ITS#6194) Patch - Enhancement - provide LDIF support as libldif
by rmeggins＠redhat.com 18 Aug '09

18 Aug '09

Any ideas about what it would take to make a public LDIF API?

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Re: (ITS#4730) Overlay that generates operational attributes to support GUI interaction
by michael＠stroeder.com 18 Aug '09

18 Aug '09

masarati(a)aero.polimi.it wrote: >> You mean an instance of the allowedAttributesEffective with the empty >> value? I'm not seeing anything like that. > > Actually, I confirm I didn't see anything like that, but there was a bug: > the attribute was being added regardless of having any value, and the > a_numvals field was not being filled in any case. Fixing... Yupp, that seems right now. Ciao, Michael.

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openldap-bugs August 2009