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1418 discussions

RE: ITS#8654 - Option for LDAP client to bind to a local address
by Quanah Gibson-Mount 29 Jun '17

29 Jun '17

--On Thursday, June 15, 2017 3:29 PM +0000 Daniel Le <daniel.le(a)exfo.com> wrote: > Could someone take a stab at reviewing this code change and/or let me > know questions you might have? The ldap_get_option, ldap_set_option and > socket binding functions were successfully validated using a test program > under Linux/Unix. > > Unfortunately, I don't have a set-up to test other operating systems, but > would be willing to further modidy ldap_connect_to_host in os-ip.c to > cover them if you can help verify it. Howard's been hoping someone would be able to review in addition to him. I gave it a lookover, but my C is quite rusty. I could test it out on Solaris, and possibly get it tested with windows. That's assuming you had it added as an option to the client utilities (ldapsearch, etc), similar to what I did with the TLS options I put out for review. Also, I would strongly advise creating your own git repository on somewhre like github, like I did with my openldap-scratch repo, where you can commit your changes and work on them, and then create a single diff containing the entire changeset. Example: <https://github.com/quanah/openldap-scratch/tree/its8573-tables> --Quanah -- Quanah Gibson-Mount Product Architect Symas Corporation Packaged, certified, and supported LDAP solutions powered by OpenLDAP: <http://www.symas.com>

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ITS#8654 - Option for LDAP client to bind to a local address
by Daniel Le 12 Jun '17

12 Jun '17

Hello, In reference to the enhancement request ITS#865, please comment on the following to add support for binding a local IP address to client socket. This is just an outline of changes for one local address. I am not sure whether a list of local addresses is necessary. If it is, then a new function, similarly to ldap_url_parsehosts, may be written to parse the list of local addresses and store them into a linked list. In my use case, only one IPv4 or IPv6 local address is used for binding. - Modify ldap.h and ldap_set_option to handle the new option LDAP_OPT_LOCAL_ADDRESS. Should it be named LDAP_OPT_CLIENT_ADDRESS, LDAP_OPT_SOCKET_BIND_ADDRESS...? - Modify struct ldapoptions in ldap-int.h to add element "char *ldo_local_address" to hold client local address when ldap_set_option(LDAP_OPT_LOCAL_ADDRESS...) is executed. This can char pointer can point to an IPv4 address or IPv6 address. - ldap_connect_to_host() in os-ip.c After the connection socket is created (ldap_int_socket) and before it is connected (ldap_pvt_connect), extract the local IP address. If local address family (AF_INET/ AF_INET6) matches the one of the host, bind socket to the local address. Regards, Daniel

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Re: ITS#8573 code for review (command line TLS options)
by Quanah Gibson-Mount 09 Jun '17

09 Jun '17

--On Thursday, June 08, 2017 5:53 PM -0700 Quanah Gibson-Mount <quanah(a)symas.com> wrote: > Attached for review is code to add TLS command line options to the client > tools. Included are documentation updates to the manual pages and a > related test suite. Or here's a gzip'd version, since it appears to have gotten mangled. --Quanah -- Quanah Gibson-Mount Product Architect Symas Corporation Packaged, certified, and supported LDAP solutions powered by OpenLDAP: <http://www.symas.com>

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ITS#8573 code for review (command line TLS options)
by Quanah Gibson-Mount 09 Jun '17

09 Jun '17

Attached for review is code to add TLS command line options to the client tools. Included are documentation updates to the manual pages and a related test suite. --Quanah -- Quanah Gibson-Mount Product Architect Symas Corporation Packaged, certified, and supported LDAP solutions powered by OpenLDAP: <http://www.symas.com>

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Re: Fwd: LMDB and text encoding
by Howard Chu 07 Jun '17

07 Jun '17

Timur Kristóf wrote: > Hi Everyone, > > I've just came accross this old thread and am wondering, is this still an issue? No, it was resolved long ago. > Does LMDB have a way to use non-ASCII path names with mdb_env_open in a > cross-platform way? > > If not, would you guys accept patches to LMDB with this regard? There's no issue on POSIX filesystems, and on Windows we already convert pathnames from UTF-8 to UTF-16. -- -- 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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Fwd: LMDB and text encoding
by Timur Kristóf 07 Jun '17

07 Jun '17

> I just had a look at how BDB handled this. As you can see they used a > TO_TSTRING macro to convert incoming pathnames from UTF8 to UTF16. > > https://gitorious.org/berkeleydb/berkeleydb/source/347d239a1e44ed4f773ae927… > > https://gitorious.org/berkeleydb/berkeleydb/source/347d239a1e44ed4f773ae927… > > (And a FROM_TSTRING for the reverse, as well.) (Mea culpa, I accidentally hit "reply" instead of "reply all". Sorry. Now reposting to the mailing list.) Since we only need to do this on Windows, we could use MultiByteToWideChar with CP_UTF8. (That's what TO_TSTRING does, too.) I do not think we would ever need to do any such conversion on UNIX. https://msdn.microsoft.com/en-us/library/windows/desktop/dd319072%28v=vs.85… I'm not sure if we can just copy-paste BDB's code. Probably not, that would lead to licensing issues, wouldn't it?

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Re: Status of ldap_init_fd and LDAP_PROTO_EXT?
by Howard Chu 07 Jun '17

07 Jun '17

Volker Lendecke wrote: > Hi! > > What's the status of those two? They are mentioned in the manpages of > for example Debian Jessie and FreeBSD 11 (maybe from ports?), but the > manpage explicitly says you have to #include <ldap_pvt.h>, which is > not shipped. > > What's the reason of them being in ldap_pvt.h? Are they supposed to > change in the future? The function is now more than 10 years old, > without too much change in that decade. Generally, <ldap.h> was only supposed to export the "official" LDAP API and anything that was specific to OpenLDAP's implementation was stashed in <ldap_pvt.h> as non-standard features. I suppose the distinction is somewhat meaningless these days since the last LDAP API RFC was only valid for LDAPv2 and a version for LDAPv3 was never approved. At this point, OpenLDAP's API is the de facto standard. As clumsy as it may be... > > Not being able to fully asynchronously connect to a server was my main > reason to start my own little ldap library a few years ago, so I think > this can be useful code :-) Talk to your distro folks about shipping the files then. The Project's policy is that we do source releases exclusively, and everything contained in a source release is intended for end-users to read and use. That is, again, the point of open source. It would also help if end-users read the scripts in the test suite and used them as examples of how to setup various configurations. > > Thanks, Volker > > -- -- 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#8654 - Option for LDAP client to bind to a local address
by Quanah Gibson-Mount 24 May '17

24 May '17

--On Tuesday, May 23, 2017 9:48 PM +0000 Daniel Le <daniel.le(a)exfo.com> wrote: > I cloned the master branch (git clone > git://git.openldap.org/openldap.git), then checked for the ITS#4707 patch > commit > (https://www.openldap.org/lists/openldap-bugs/200610/threads.html#0004) > in the OpenLDAP master code base and scanned the log of 2.3 branch > (http://www.openldap.org/devel/gitweb.cgi?p=openldap.git;a=shortlog;h=ref > s/heads/OPENLDAP_REL_ENG_2_3), but didn't find it at both places. Seems > this patch never got committed. Can you help to confirm? Howard already confirmed it was never committed, just the different API was committed. --Quanah -- Quanah Gibson-Mount Product Architect Symas Corporation Packaged, certified, and supported LDAP solutions powered by OpenLDAP: <http://www.symas.com>

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RE: ITS#8654 - Option for LDAP client to bind to a local address
by Quanah Gibson-Mount 23 May '17

23 May '17

--On Tuesday, May 23, 2017 4:47 PM +0000 Daniel Le <daniel.le(a)exfo.com> wrote: > How does one check out code from the OpenLDAP master branch? As noted on the www.openldap.org main page: <http://www.openldap.org/software/repo.html> --Quanah -- Quanah Gibson-Mount Product Architect Symas Corporation Packaged, certified, and supported LDAP solutions powered by OpenLDAP: <http://www.symas.com>

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RE: ITS#8654 - Option for LDAP client to bind to a local address
by Quanah Gibson-Mount 23 May '17

23 May '17

--On Tuesday, May 23, 2017 4:18 PM +0000 Daniel Le <daniel.le(a)exfo.com> wrote: > Since the ITS#4707 patch was not merged into 2.4 and is subject to > additional modification to handle a list of local addresses, perhaps it > makes sense to leverage from what was done in 2.3 and write a new patch > for 2.4 (i.e. no merge)? All work should be done against OpenLDAP master rather than a release branch > Regarding multiple local IP addresses, I can think of a scenario where > the desired local network interface has an IPv4 address and an IPv6 > address, then the one which has the same address family as the server's > is chosen at the time of socket binding, but how to match a client IP > address with a server host address when there are multiple IPv4 and/or > IPv6 local addresses? Curious, does telnet -b handle this currently? > Daniel > > -----Original Message----- > From: Daniel Le > Sent: Monday, May 22, 2017 5:17 PM > To: 'Howard Chu' <hyc(a)symas.com>; Quanah Gibson-Mount <quanah(a)symas.com>; > 'openldap-devel(a)openldap.org' <openldap-devel(a)openldap.org> Subject: RE: > ITS#8654 - Option for LDAP client to bind to a local address > > From what I can see, ldap_init_fd() only allows the setting of > UDP/TCP/IPC protocol type and server's URI. > > Will the ITS#4707 patch > (ftp://ftp.openldap.org/incoming/openldap-2.3.27-bindaddr.patch.txt) be > merged into 2.4? > > And since this patch only handles one IP address, further change will be > necessary to support a list of IP addresses. > > Daniel > > -----Original Message----- > From: Howard Chu [mailto:hyc@symas.com] > Sent: Monday, May 22, 2017 2:49 PM > To: Quanah Gibson-Mount <quanah(a)symas.com>; Daniel Le > <daniel.le(a)exfo.com>; 'openldap-devel(a)openldap.org' > <openldap-devel(a)openldap.org> Subject: Re: ITS#8654 - Option for LDAP > client to bind to a local address > > Quanah Gibson-Mount wrote: >> --On Monday, May 22, 2017 7:28 PM +0000 Daniel Le <daniel.le(a)exfo.com> >> wrote: >> >>> I tumbled into the following ITS#4707 thread: >>> Patch: option to bind client socket to an address >>> https://www.openldap.org/lists/openldap-bugs/200610/threads.html#0004 >>> 7 >>> >>> Wasn't this patch integrated into OpenLDAP 2.3.X? I couldn't see it >>> in the 2.4.44 code base. >> >> The notes say it was added for 2.4, but that apparently is incorrect. >> >> "new API added in HEAD/RE24" > > The notes say *a* new API was added to 2.4, not necessarily *this* one. > And that is true, we added ldap_init_fd() which lets the caller setup > their socket any way they please. > > commit 1f635b8bcfaaac666005a88a5620e9798c9565e1 > > -- > -- Howard Chu > CTO, Symas Corp. http://www.symas.com > Director, Highland Sun http://highlandsun.com/hyc/ > Chief Architect, OpenLDAP http://www.openldap.org/project/ -- Quanah Gibson-Mount Product Architect Symas Corporation Packaged, certified, and supported LDAP solutions powered by OpenLDAP: <http://www.symas.com>

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