check_http/check_curl: added a --regex-state option to change the state of a regex check

from the default CRITICAL to something else (#1213)

2 files changed, 32 insertions, 6 deletions

diff --git a/plugins/check_curl.c b/plugins/check_curl.c
index d45a8fc..c54be5e 100644
--- a/plugins/check_curl.c
+++ b/plugins/check_curl.c
@@ -134,6 +134,7 @@ char regexp[MAX_RE_SIZE];
 int cflags = REG_NOSUB | REG_EXTENDED | REG_NEWLINE;
 int errcode;
 bool invert_regex = false;
+int state_regex = STATE_CRITICAL;
 
 char *server_address = NULL;
 char *host_name = NULL;
@@ -1133,7 +1134,7 @@ GOT_FIRST_CERT:
                                 strcpy(msg, tmp);
 
                         }
-                        result = STATE_CRITICAL;
+                        result = state_regex;
                 } else {
                         regerror (errcode, &preg, errbuf, MAX_INPUT_BUFFER);
 
@@ -1391,7 +1392,8 @@ process_arguments (int argc, char **argv)
     HTTP_VERSION_OPTION,
     AUTOMATIC_DECOMPRESSION,
     COOKIE_JAR,
-    HAPROXY_PROTOCOL
+    HAPROXY_PROTOCOL,
+    STATE_REGEX
   };
 
   int option = 0;
@@ -1430,6 +1432,7 @@ process_arguments (int argc, char **argv)
     {"content-type", required_argument, 0, 'T'},
     {"pagesize", required_argument, 0, 'm'},
     {"invert-regex", no_argument, NULL, INVERT_REGEX},
+    {"state-regex", required_argument, 0, STATE_REGEX},
     {"use-ipv4", no_argument, 0, '4'},
     {"use-ipv6", no_argument, 0, '6'},
     {"extended-perfdata", no_argument, 0, 'E'},
@@ -1765,6 +1768,13 @@ process_arguments (int argc, char **argv)
     case INVERT_REGEX:
       invert_regex = true;
       break;
+    case STATE_REGEX:
+      if (!strcmp (optarg, "critical"))
+        state_regex = STATE_CRITICAL;
+      else if (!strcmp (optarg, "warning"))
+        state_regex = STATE_WARNING;
+      else usage2 (_("Invalid state-regex option"), optarg);
+      break;
     case '4':
       address_family = AF_INET;
       break;
@@ -2040,7 +2050,10 @@ print_help (void)
   printf (" %s\n", "-R, --eregi=STRING");
   printf ("    %s\n", _("Search page for case-insensitive regex STRING"));
   printf (" %s\n", "--invert-regex");
-  printf ("    %s\n", _("Return CRITICAL if found, OK if not\n"));
+  printf ("    %s\n", _("Return STATE if found, OK if not (STATE is CRITICAL, per default)"));
+  printf ("    %s\n", _("can be changed with --state--regex)"));
+  printf (" %s\n", "--regex-state=STATE");
+  printf ("    %s\n", _("Return STATE if regex is found, OK if not\n"));
   printf (" %s\n", "-a, --authorization=AUTH_PAIR");
   printf ("    %s\n", _("Username:password on sites with basic authentication"));
   printf (" %s\n", "-b, --proxy-authorization=AUTH_PAIR");
diff --git a/plugins/check_http.c b/plugins/check_http.c
index edcb3fe..cdf768c 100644
--- a/plugins/check_http.c
+++ b/plugins/check_http.c
@@ -85,6 +85,7 @@ char errbuf[MAX_INPUT_BUFFER];
 int cflags = REG_NOSUB | REG_EXTENDED | REG_NEWLINE;
 int errcode;
 int invert_regex = 0;
+int state_regex = STATE_CRITICAL;
 
 struct timeval tv;
 struct timeval tv_temp;
@@ -210,7 +211,8 @@ bool process_arguments (int argc, char **argv)
     INVERT_REGEX = CHAR_MAX + 1,
     SNI_OPTION,
     MAX_REDIRS_OPTION,
-    CONTINUE_AFTER_CHECK_CERT
+    CONTINUE_AFTER_CHECK_CERT,
+    STATE_REGEX
   };
 
   int option = 0;
@@ -246,6 +248,7 @@ bool process_arguments (int argc, char **argv)
     {"content-type", required_argument, 0, 'T'},
     {"pagesize", required_argument, 0, 'm'},
     {"invert-regex", no_argument, NULL, INVERT_REGEX},
+    {"state-regex", required_argument, 0, STATE_REGEX},
     {"use-ipv4", no_argument, 0, '4'},
     {"use-ipv6", no_argument, 0, '6'},
     {"extended-perfdata", no_argument, 0, 'E'},
@@ -511,6 +514,13 @@ bool process_arguments (int argc, char **argv)
     case INVERT_REGEX:
       invert_regex = 1;
       break;
+    case STATE_REGEX:
+      if (!strcmp (optarg, "critical"))
+        state_regex = STATE_CRITICAL;
+      else if (!strcmp (optarg, "warning"))
+        state_regex = STATE_WARNING;
+      else usage2 (_("Invalid state-regex option"), optarg);
+      break;
     case '4':
       address_family = AF_INET;
       break;
@@ -1317,7 +1327,7 @@ check_http (void)
         xasprintf (&msg, _("%spattern not found, "), msg);
       else
         xasprintf (&msg, _("%spattern found, "), msg);
-      result = STATE_CRITICAL;
+      result = state_regex;
     }
     else {
       /* FIXME: Shouldn't that be UNKNOWN? */
@@ -1793,7 +1803,10 @@ print_help (void)
   printf (" %s\n", "-R, --eregi=STRING");
   printf ("    %s\n", _("Search page for case-insensitive regex STRING"));
   printf (" %s\n", "--invert-regex");
-  printf ("    %s\n", _("Return CRITICAL if found, OK if not\n"));
+  printf ("    %s\n", _("Return STATE if found, OK if not (STATE is CRITICAL, per default)"));
+  printf ("    %s\n", _("can be changed with --state--regex)"));
+  printf (" %s\n", "--regex-state=STATE");
+  printf ("    %s\n", _("Return STATE if regex is found, OK if not\n"));
 
   printf (" %s\n", "-a, --authorization=AUTH_PAIR");
   printf ("    %s\n", _("Username:password on sites with basic authentication"));