Blame SOURCES/autofs-5.1.1-make-find_dc_server-return-a-status.patch

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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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