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Add remote version check (1030269, Daniel Gullin)

Browse source 
git-svn-id: https://nagiosplug.svn.sourceforge.net/svnroot/nagiosplug/nagiosplug/trunk@945 f882894a-f735-0410-b71e-b25c423dba1c
This commit is contained in:
Matthew Kent 2004-11-27 21:00:23 +00:00
parent 741a64db03
commit be2a889e50
1 changed files with 27 additions and 9 deletions
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36
plugins/check_ssh.c
View file

@ -34,6 +34,7 @@ const char *email = "nagiosplug-devel@lists.sourceforge.net";
int port = -1;
char *server_name = NULL;
char *remote_version = NULL;
int verbose = FALSE;
int process_arguments (int, char **);
@ -41,7 +42,7 @@ int validate_arguments (void);
void print_help (void);
void print_usage (void);
int ssh_connect (char *haddr, int hport);
int ssh_connect (char *haddr, int hport, char *remote_version);
int
main (int argc, char **argv)
@ -60,7 +61,7 @@ main (int argc, char **argv)
alarm (socket_timeout);
/* ssh_connect exits if error is found */
result = ssh_connect (server_name, port);
result = ssh_connect (server_name, port, remote_version);
alarm (0);
@ -84,6 +85,7 @@ process_arguments (int argc, char **argv)
{"use-ipv6", no_argument, 0, '6'},
{"timeout", required_argument, 0, 't'},
{"verbose", no_argument, 0, 'v'},
{"remote-version", required_argument, 0, 'r'},
{0, 0, 0, 0}
};
@ -95,7 +97,7 @@ process_arguments (int argc, char **argv)
strcpy (argv[c], "-t");
while (1) {
c = getopt_long (argc, argv, "+Vhv46t:H:p:", longopts, &option);
c = getopt_long (argc, argv, "+Vhv46t:r:H:p:", longopts, &option);
if (c == -1 || c == EOF)
break;
@ -109,7 +111,7 @@ process_arguments (int argc, char **argv)
case 'h': /* help */
print_help ();
exit (STATE_OK);
case 'v': /* verose */
case 'v': /* verbose */
verbose = TRUE;
break;
case 't': /* timeout period */
@ -128,6 +130,9 @@ process_arguments (int argc, char **argv)
usage (_("IPv6 support not available\n"));
#endif
break;
case 'r': /* remote version */
remote_version = optarg;
break;
case 'H': /* host */
if (is_host (optarg) == FALSE)
usage2 (_("Invalid host name/address"), optarg);
@ -183,7 +188,7 @@ validate_arguments (void)
*-----------------------------------------------------------------------*/
int
ssh_connect (char *haddr, int hport)
ssh_connect (char *haddr, int hport, char *remote_version)
{
int sd;
int result;
@ -214,13 +219,22 @@ ssh_connect (char *haddr, int hport)
ssh_proto = output + 4;
ssh_server = ssh_proto + strspn (ssh_proto, "-0123456789. ");
ssh_proto[strspn (ssh_proto, "0123456789. ")] = 0;
printf
(_("SSH OK - %s (protocol %s)\n"),
ssh_server, ssh_proto);
asprintf (&buffer, "SSH-%s-check_ssh_%s\r\n", ssh_proto, rev_no);
send (sd, buffer, strlen (buffer), MSG_DONTWAIT);
if (verbose)
printf ("%s\n", buffer);
if (remote_version && strcmp(remote_version, ssh_server)) {
printf
(_("SSH WARNING - %s (protocol %s) version mismatch, expected '%s'\n"),
ssh_server, ssh_proto, remote_version);
exit (STATE_WARNING);
}
printf
(_("SSH OK - %s (protocol %s)\n"),
ssh_server, ssh_proto);
exit (STATE_OK);
}
}
@ -248,6 +262,10 @@ print_help (void)
printf (_(UT_TIMEOUT), DEFAULT_SOCKET_TIMEOUT);
printf (_("\
-r, --remote-version=STRING\n\
Warn if string doesn't match expected server version (ex: OpenSSH_3.9p1)\n"));
printf (_(UT_VERBOSE));
printf (_(UT_SUPPORT));
@ -257,7 +275,7 @@ void
print_usage (void)
{
printf (_("\
Usage: %s [-46] [-t <timeout>] [-p <port>] <host>\n"), progname);
Usage: %s [-46] [-t <timeout>] [-r <remote version>] [-p <port>] <host>\n"), progname);
printf (_(UT_HLP_VRS), progname, progname);
}