49 lines
1.7 KiB
Diff
49 lines
1.7 KiB
Diff
From 3bd5a1244a35974c8a0e21a9ac866cb5935f662e Mon Sep 17 00:00:00 2001
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From: yaqiang chen <chenyaqiang@huawei.com>
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Date: Wed, 15 Sep 2021 10:05:49 +0800
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Subject: [PATCH] bugfix cannot open database file
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---
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modules/pam_userdb/pam_userdb.c | 23 ++++++++++++++++++++---
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1 file changed, 20 insertions(+), 3 deletions(-)
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diff --git a/modules/pam_userdb/pam_userdb.c b/modules/pam_userdb/pam_userdb.c
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index dc2ca23..a9992a7 100644
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--- a/modules/pam_userdb/pam_userdb.c
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+++ b/modules/pam_userdb/pam_userdb.c
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@@ -147,13 +147,30 @@ user_lookup (pam_handle_t *pamh, const char *database, const char *cryptmode,
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{
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DBM *dbm;
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datum key, data;
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+ int retval;
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+ /* Init the DB file. */
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+ retval = dbminit(database);
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+ if (retval) {
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+ pam_syslog(pamh, LOG_ERR,
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+ "user_lookup: could not init database `%s': %m", database);
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+ return -2;
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+ }
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/* Open the DB file. */
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dbm = dbm_open(database, O_RDONLY, 0644);
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if (dbm == NULL) {
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- pam_syslog(pamh, LOG_ERR,
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- "user_lookup: could not open database `%s': %m", database);
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- return -2;
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+ retval = dbminit(database);
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+ if (retval){
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+ pam_syslog(pamh, LOG_ERR,
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+ "user_lookup: could not re-init database `%s': %m", database);
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+ } else {
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+ dbm = dbm_open(database, O_RDONLY, 0644);
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+ if(dbm == NULL) {
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+ pam_syslog(pamh, LOG_ERR,
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+ "user_lookup: could not open database `%s': %m", database);
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+ return -2;
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+ }
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+ }
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}
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/* dump out the database contents for debugging */
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--
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1.8.3.1
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