Add socket support to check_mysql*

Also clears the password from check_mysql command-line options


git-svn-id: https://nagiosplug.svn.sourceforge.net/svnroot/nagiosplug/nagiosplug/trunk@1988 f882894a-f735-0410-b71e-b25c423dba1c

1 files changed, 14 insertions, 6 deletions

diff --git a/plugins/check_mysql_query.c b/plugins/check_mysql_query.c
index 8c6a96c..171fc69 100644
--- a/plugins/check_mysql_query.c
+++ b/plugins/check_mysql_query.c
@@ -47,6 +47,7 @@ const char *email = "nagiosplug-devel@lists.sourceforge.net";
 
 char *db_user = NULL;
 char *db_host = NULL;
+char *db_socket = NULL;
 char *db_pass = NULL;
 char *db = NULL;
 unsigned int db_port = MYSQL_PORT;
@@ -86,7 +87,7 @@ main (int argc, char **argv)
         mysql_options(&mysql,MYSQL_READ_DEFAULT_GROUP,"client");
 
         /* establish a connection to the server and error checking */
-        if (!mysql_real_connect(&mysql,db_host,db_user,db_pass,db,db_port,NULL,0)) {
+        if (!mysql_real_connect(&mysql,db_host,db_user,db_pass,db,db_port,db_socket,0)) {
                 if (mysql_errno (&mysql) == CR_UNKNOWN_HOST)
                         die (STATE_WARNING, "QUERY %s: %s\n", _("WARNING"), mysql_error (&mysql));
                 else if (mysql_errno (&mysql) == CR_VERSION_ERROR)
@@ -170,6 +171,7 @@ process_arguments (int argc, char **argv)
         int option = 0;
         static struct option longopts[] = {
                 {"hostname", required_argument, 0, 'H'},
+                {"socket", required_argument, 0, 's'},
                 {"database", required_argument, 0, 'd'},
                 {"username", required_argument, 0, 'u'},
                 {"password", required_argument, 0, 'p'},
@@ -187,7 +189,7 @@ process_arguments (int argc, char **argv)
                 return ERROR;
 
         while (1) {
-                c = getopt_long (argc, argv, "hvVSP:p:u:d:H:q:w:c:", longopts, &option);
+                c = getopt_long (argc, argv, "hvVSP:p:u:d:H:s:q:w:c:", longopts, &option);
 
                 if (c == -1 || c == EOF)
                         break;
@@ -201,14 +203,17 @@ process_arguments (int argc, char **argv)
                                 usage2 (_("Invalid hostname/address"), optarg);
                         }
                         break;
-                case 'd':                                                                       /* hostname */
+                case 's':                                                                       /* socket */
+                        db_socket = optarg;
+                        break;
+                case 'd':                                                                       /* database */
                         db = optarg;
                         break;
                 case 'u':                                                                       /* username */
                         db_user = optarg;
                         break;
                 case 'p':                                                                       /* authentication information: password */
-                        asprintf(&db_pass, "%s", optarg);
+                        db_pass = strdup(optarg);
 
                         /* Delete the password from process list */
                         while (*optarg != '\0') {
@@ -293,6 +298,8 @@ print_help (void)
         printf ("    %s\n", _("SQL query to run. Only first column in first row will be read"));
         printf (_(UT_WARN_CRIT_RANGE));
         printf (_(UT_HOST_PORT), 'P', myport);
+        printf (" %s\n", "-s, --socket=STRING");
+        printf ("    %s\n", _("Use the specified socket (has no effect if -H is used)"));
         printf (" -d, --database=STRING\n");
         printf ("    %s\n", _("Database to check"));
         printf (" -u, --username=STRING\n");
@@ -300,6 +307,7 @@ print_help (void)
         printf (" -p, --password=STRING\n");
         printf ("    %s\n", _("Password to login with"));
         printf ("    ==> %s <==\n", _("IMPORTANT: THIS FORM OF AUTHENTICATION IS NOT SECURE!!!"));
+        printf ("    %s\n", _("Your clear-text password could be visible as a process table entry"));
 
         printf ("\n");
         printf (" %s\n", _("A query is required. The result from the query should be numeric."));
@@ -313,6 +321,6 @@ void
 print_usage (void)
 {
   printf (_("Usage:"));
-        printf ("%s -q SQL_query [-w warn] [-c crit]\n",progname);
-  printf ("[-d database] [-H host] [-P port] [-u user] [-p password]\n");
+  printf (" %s -q SQL_query [-w warn] [-c crit] [-H host] [-P port] [-s socket]\n",progname);
+  printf ("       [-d database] [-u user] [-p password]\n");
 }