failed if header was more than 1023 bytes

git-svn-id: https://nagiosplug.svn.sourceforge.net/svnroot/nagiosplug/nagiosplug/trunk@341 f882894a-f735-0410-b71e-b25c423dba1c

1 files changed, 35 insertions, 11 deletions

diff --git a/plugins/check_tcp.c b/plugins/check_tcp.c
index 8a42a64..8a2dcc5 100644
--- a/plugins/check_tcp.c
+++ b/plugins/check_tcp.c
@@ -57,12 +57,16 @@ SSL *ssl;
 int connect_SSL (void);
 #endif
 
-#define TCP_PROTOCOL 1
-#define UDP_PROTOCOL 2
+enum {
+        TCP_PROTOCOL = 1,
+        UDP_PROTOCOL = 2,
+        MAXBUF = 1024
+};
 
 int process_arguments (int, char **);
 void print_usage (void);
 void print_help (void);
+int my_recv (void);
 
 char *progname = "check_tcp";
 char *SERVICE = NULL;
@@ -91,13 +95,13 @@ double elapsed_time = 0;
 int verbose = FALSE;
 int use_ssl = FALSE;
 int sd = 0;
+char *buffer = "";
 
 int
 main (int argc, char **argv)
 {
         int result;
         int i;
-        char *buffer = "";
         char *status = "";
         struct timeval tv;
 
@@ -248,15 +252,15 @@ main (int argc, char **argv)
 
         if (server_send || server_expect_count > 0) {
 
-                buffer = malloc (MAX_INPUT_BUFFER);
+                buffer = malloc (MAXBUF);
+                memset (buffer, '\0', MAXBUF);
                 /* watch for the expect string */
-#ifdef HAVE_SSL
-                if (use_ssl && SSL_read (ssl, buffer, MAX_INPUT_BUFFER - 1) > 0)
+                while ((i = my_recv ()) > 0) {
+                        buffer[i] = '\0';
                         asprintf (&status, "%s%s", status, buffer);
-                else
-#endif
-                        if (recv (sd, buffer, MAX_INPUT_BUFFER - 1, 0) > 0)
-                                asprintf (&status, "%s%s", status, buffer);
+                        if (buffer[i-2] == '\r' && buffer[i-1] == '\n')
+                                break;
+                }
 
                 /* return a CRITICAL status if we couldn't read any data */
                 if (status == NULL)
@@ -279,7 +283,7 @@ main (int argc, char **argv)
                 }
         }
 
-        if (server_quit)
+        if (server_quit != NULL)
 #ifdef HAVE_SSL
                 if (use_ssl) {
                         SSL_write (ssl, QUIT, strlen (QUIT));
@@ -572,3 +576,23 @@ connect_SSL (void)
 }
 #endif
 
+
+
+int
+my_recv (void)
+{
+        int i;
+
+#ifdef HAVE_SSL
+        if (use_ssl) {
+                i = SSL_read (ssl, buffer, MAXBUF - 1);
+        }
+        else {
+#endif
+                i = read (sd, buffer, MAXBUF - 1);
+#ifdef HAVE_SSL
+        }
+#endif
+
+        return i;
+}