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autofs-5.1.1 - implement reinit in nisplus lookup module
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From: Ian Kent <raven@themaw.net>
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Refactor the nisplus lookup module to add an implementation for the newly
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added reinit entry point.
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Signed-off-by: Ian Kent <raven@themaw.net>
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---
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modules/lookup_nisplus.c | 83 +++++++++++++++++++++++++++++++++++-----------
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1 file changed, 63 insertions(+), 20 deletions(-)
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diff --git a/modules/lookup_nisplus.c b/modules/lookup_nisplus.c
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index 0c66152..5fd1d89 100644
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--- a/modules/lookup_nisplus.c
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+++ b/modules/lookup_nisplus.c
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@@ -30,25 +30,16 @@ struct lookup_context {
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int lookup_version = AUTOFS_LOOKUP_VERSION; /* Required by protocol */
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-int lookup_init(const char *mapfmt,
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- int argc, const char *const *argv, void **context)
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+static int do_init(const char *mapfmt,
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+ int argc, const char *const *argv,
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+ struct lookup_context *ctxt, unsigned int reinit)
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{
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- struct lookup_context *ctxt;
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- char buf[MAX_ERR_BUF];
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-
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- *context = NULL;
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-
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- ctxt = malloc(sizeof(struct lookup_context));
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- if (!ctxt) {
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- char *estr = strerror_r(errno, buf, MAX_ERR_BUF);
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- logerr(MODPREFIX "%s", estr);
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- return 1;
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- }
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+ int ret = 0;
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if (argc < 1) {
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- free(ctxt);
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logmsg(MODPREFIX "No map name");
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- return 1;
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+ ret = 1;
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+ goto out;
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}
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ctxt->mapname = argv[0];
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@@ -58,20 +49,50 @@ int lookup_init(const char *mapfmt,
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*/
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ctxt->domainname = nis_local_directory();
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if (!ctxt->domainname) {
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- free(ctxt);
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logmsg(MODPREFIX "NIS+ domain not set");
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- return 1;
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+ ret = 1;
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+ goto out;
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}
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if (!mapfmt)
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mapfmt = MAPFMT_DEFAULT;
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- ctxt->parse = open_parse(mapfmt, MODPREFIX, argc - 1, argv + 1);
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- if (!ctxt->parse) {
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+ if (reinit) {
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+ ret = reinit_parse(ctxt->parse, mapfmt, MODPREFIX, argc, argv);
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+ if (ret)
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+ logmsg(MODPREFIX "failed to reinit parse context");
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+ } else {
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+ ctxt->parse = open_parse(mapfmt, MODPREFIX, argc - 1, argv + 1);
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+ if (!ctxt->parse) {
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+ logerr(MODPREFIX "failed to open parse context");
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+ ret = 1;
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+ }
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+ }
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+out:
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+ return ret;
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+}
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+
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+int lookup_init(const char *mapfmt,
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+ int argc, const char *const *argv, void **context)
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+{
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+ struct lookup_context *ctxt;
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+ char buf[MAX_ERR_BUF];
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+
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+ *context = NULL;
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+
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+ ctxt = malloc(sizeof(struct lookup_context));
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+ if (!ctxt) {
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+ char *estr = strerror_r(errno, buf, MAX_ERR_BUF);
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+ logerr(MODPREFIX "%s", estr);
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+ return 1;
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+ }
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+ memset(ctxt, 0, sizeof(struct lookup_context));
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+
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+ if (do_init(mapfmt, argc, argv, ctxt, 0)) {
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free(ctxt);
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- logerr(MODPREFIX "failed to open parse context");
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return 1;
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}
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+
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*context = ctxt;
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return 0;
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@@ -80,6 +101,28 @@ int lookup_init(const char *mapfmt,
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int lookup_reinit(const char *mapfmt,
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int argc, const char *const *argv, void **context)
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{
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+ struct lookup_context *ctxt = (struct lookup_context *) *context;
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+ struct lookup_context *new;
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+ char buf[MAX_ERR_BUF];
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+ int ret;
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+
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+ new = malloc(sizeof(struct lookup_context));
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+ if (!new) {
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+ char *estr = strerror_r(errno, buf, MAX_ERR_BUF);
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+ logerr(MODPREFIX "%s", estr);
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+ return 1;
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+ }
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+ memset(new, 0, sizeof(struct lookup_context));
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+
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+ new->parse = ctxt->parse;
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+ ret = do_init(mapfmt, argc, argv, new, 1);
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+ if (ret)
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+ return 1;
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+
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+ *context = new;
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+
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+ free(ctxt);
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+
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return 0;
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}
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