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autofs-5.1.1 - make connect_to_server() return a status
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From: Ian Kent <raven@themaw.net>
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In the ldap lookup module the do_reconnect() call doesn't distinguish
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between no entry found and service unavailable.
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If service unavailable gets returned from a master map read it results
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in autofs not updating the mounts. A notfound return doesn't because it
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indicates the map doesn't exist so updating the mounts isn't a problem
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as it can be when the source is unavailable.
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Next step in the update of do_reconnect() is to make connect_to_server()
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return a status instead of an LDAP handle and pass back the LDAP handle
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via a function parameter.
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Signed-off-by: Ian Kent <raven@themaw.net>
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---
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CHANGELOG | 1 +
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modules/lookup_ldap.c | 25 ++++++++++++++-----------
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2 files changed, 15 insertions(+), 11 deletions(-)
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--- autofs-5.0.7.orig/CHANGELOG
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+++ autofs-5.0.7/CHANGELOG
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@@ -174,6 +174,7 @@
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- fix return handling in sss lookup module.
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- move query dn calculation from do_bind() to do_connect().
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- make do_connect() return a status.
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+- make connect_to_server() return a status.
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25/07/2012 autofs-5.0.7
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=======================
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--- autofs-5.0.7.orig/modules/lookup_ldap.c
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+++ autofs-5.0.7/modules/lookup_ldap.c
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@@ -824,20 +824,19 @@ next:
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return timestamp;
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}
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-static LDAP *connect_to_server(unsigned logopt, const char *uri, struct lookup_context *ctxt)
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+static int connect_to_server(unsigned logopt, LDAP **ldap,
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+ const char *uri, struct lookup_context *ctxt)
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{
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- LDAP *ldap;
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int ret;
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- ret = do_connect(logopt, &ldap, uri, ctxt);
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+ ret = do_connect(logopt, ldap, uri, ctxt);
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if (ret != NSS_STATUS_SUCCESS) {
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warn(logopt,
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MODPREFIX "couldn't connect to server %s",
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uri ? uri : "default");
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- return NULL;
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}
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- return ldap;
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+ return ret;
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}
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static LDAP *find_dc_server(unsigned logopt, const char *uri, struct lookup_context *ctxt)
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@@ -852,9 +851,11 @@ static LDAP *find_dc_server(unsigned log
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tok = strtok_r(str, " ", &ptr);
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while (tok) {
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const char *this = (const char *) tok;
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+ int ret;
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+
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debug(logopt, "trying server uri %s", this);
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- ldap = connect_to_server(logopt, this, ctxt);
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- if (ldap) {
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+ ret = connect_to_server(logopt, &ldap, this, ctxt);
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+ if (ret == NSS_STATUS_SUCCESS) {
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info(logopt, "connected to uri %s", this);
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free(str);
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return ldap;
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@@ -874,6 +875,7 @@ static LDAP *find_server(unsigned logopt
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struct list_head *p, *first;
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struct dclist *dclist;
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char *uri = NULL;
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+ int ret;
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uris_mutex_lock(ctxt);
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dclist = ctxt->dclist;
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@@ -896,8 +898,8 @@ static LDAP *find_server(unsigned logopt
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if (!strstr(this->uri, ":///")) {
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uri = strdup(this->uri);
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debug(logopt, "trying server uri %s", uri);
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- ldap = connect_to_server(logopt, uri, ctxt);
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- if (ldap) {
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+ ret = connect_to_server(logopt, &ldap, uri, ctxt);
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+ if (ret == NSS_STATUS_SUCCESS) {
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info(logopt, "connected to uri %s", uri);
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free(uri);
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break;
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@@ -962,7 +964,8 @@ static LDAP *do_reconnect(unsigned logop
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ldapinit_mutex_lock();
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autofs_sasl_dispose(ctxt);
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ldapinit_mutex_unlock();
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- ldap = connect_to_server(logopt, ctxt->server, ctxt);
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+ ret = connect_to_server(logopt, &ldap,
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+ ctxt->server, ctxt);
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}
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#endif
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return ldap;
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@@ -1001,7 +1004,7 @@ static LDAP *do_reconnect(unsigned logop
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ldapinit_mutex_lock();
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autofs_sasl_dispose(ctxt);
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ldapinit_mutex_unlock();
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- ldap = connect_to_server(logopt, ctxt->uri->uri, ctxt);
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+ ret = connect_to_server(logopt, &ldap, ctxt->uri->uri, ctxt);
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}
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#endif
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if (ldap)
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