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autofs-5.1.1 - make find_dc_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 find_dc_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 | 27 +++++++++++++++------------
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2 files changed, 16 insertions(+), 12 deletions(-)
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--- autofs-5.0.7.orig/CHANGELOG
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+++ autofs-5.0.7/CHANGELOG
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@@ -175,6 +175,7 @@
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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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+- make find_dc_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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@@ -839,33 +839,36 @@ static int connect_to_server(unsigned lo
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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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+static int find_dc_server(unsigned logopt, LDAP **ldap,
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+ const char *uri, struct lookup_context *ctxt)
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{
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char *str, *tok, *ptr = NULL;
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- LDAP *ldap = NULL;
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+ int ret = NSS_STATUS_UNAVAIL;
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str = strdup(uri);
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if (!str)
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- return NULL;
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+ return ret;
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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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+ int rv;
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debug(logopt, "trying server uri %s", this);
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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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+ rv = connect_to_server(logopt, ldap, this, ctxt);
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+ if (rv == 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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+ return rv;
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}
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+ if (rv == NSS_STATUS_NOTFOUND)
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+ ret = NSS_STATUS_NOTFOUND;
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tok = strtok_r(NULL, " ", &ptr);
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}
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free(str);
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- return NULL;
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+ return ret;
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}
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static LDAP *find_server(unsigned logopt, struct lookup_context *ctxt)
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@@ -917,8 +920,8 @@ static LDAP *find_server(unsigned logopt
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dclist = tmp;
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uri = strdup(dclist->uri);
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}
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- ldap = find_dc_server(logopt, uri, ctxt);
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- if (ldap) {
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+ ret = find_dc_server(logopt, &ldap, uri, ctxt);
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+ if (ret == NSS_STATUS_SUCCESS) {
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free(uri);
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break;
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}
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@@ -972,8 +975,8 @@ static LDAP *do_reconnect(unsigned logop
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}
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if (ctxt->dclist) {
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- ldap = find_dc_server(logopt, ctxt->dclist->uri, ctxt);
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- if (ldap)
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+ ret = find_dc_server(logopt, &ldap, ctxt->dclist->uri, ctxt);
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+ if (ret == NSS_STATUS_SUCCESS)
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return ldap;
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}
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