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author | Andre Heinecke <[email protected]> | 2016-06-14 17:22:52 +0000 |
---|---|---|
committer | Werner Koch <[email protected]> | 2016-06-14 18:43:27 +0000 |
commit | f989b6ee0db96c36f13f093cbbcfd1d5b472d03c (patch) | |
tree | 7ac40cad26bcce9d12cd43d3bfb6cbb06e179439 /dirmngr/dirmngr_ldap.c | |
parent | dirmngr: Print ldap error if bind fails (diff) | |
download | gnupg-f989b6ee0db96c36f13f093cbbcfd1d5b472d03c.tar.gz gnupg-f989b6ee0db96c36f13f093cbbcfd1d5b472d03c.zip |
dirmngr: Try ldap protocol V3 as fallback
* dirmngr/dirmngr_ldap.c (fetch_ldap): Try V3 Protocol in case
default Protocol gives error.
--
Servers may have blocked V2 Protocol, in which case the
bind will result in a Protocol Error. In that case we try
again with v3 Protocol if the ldap libarary used to compile
dirmngr supports V3.
Signed-off-by: Andre Heinecke <[email protected]>
Diffstat (limited to '')
-rw-r--r-- | dirmngr/dirmngr_ldap.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/dirmngr/dirmngr_ldap.c b/dirmngr/dirmngr_ldap.c index a31b14a6f..9e12f88a3 100644 --- a/dirmngr/dirmngr_ldap.c +++ b/dirmngr/dirmngr_ldap.c @@ -641,6 +641,18 @@ fetch_ldap (my_opt_t myopt, const char *url, const LDAPURLDesc *ludp) /* Fixme: Can we use MYOPT->user or is it shared with other theeads?. */ ret = my_ldap_simple_bind_s (ld, myopt->user, myopt->pass); npth_protect (); +#ifdef LDAP_VERSION3 + if (ret == LDAP_PROTOCOL_ERROR) + { + int version = LDAP_VERSION3; + /* Protocol error could mean that the server only supports v3 */ + npth_unprotect (); + log_debug ("Protocol error, retrying bind with V3 Protocol. \n"); + ldap_set_option (ld, LDAP_OPT_PROTOCOL_VERSION, &version); + ret = my_ldap_simple_bind_s (ld, myopt->user, myopt->pass); + npth_protect (); + } +#endif if (ret) { log_error (_("binding to '%s:%d' failed: %s\n"), |