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-rw-r--r--plugins/check_http.c71
1 files changed, 33 insertions, 38 deletions
diff --git a/plugins/check_http.c b/plugins/check_http.c
index be18ce7d..506a1ec7 100644
--- a/plugins/check_http.c
+++ b/plugins/check_http.c
@@ -189,16 +189,17 @@ struct timeval tv;
#define HTTPS_PORT 443
#define HTTP_EXPECT "HTTP/1."
#define HTTP_URL "/"
+#define CRLF "\r\n"
char timestamp[17] = "";
int specify_port = FALSE;
int server_port = HTTP_PORT;
char server_port_text[6] = "";
char server_type[6] = "http";
-/*@null@*/ char *server_address = NULL;
+char *server_address = "";
char *host_name = "";
-/*@null@*/ char *server_url = NULL;
-int server_url_length = 0;
+char *server_url = HTTP_URL;
+int server_url_length = 1;
int server_expect_yn = 0;
char server_expect[MAX_INPUT_BUFFER] = HTTP_EXPECT;
char string_expect[MAX_INPUT_BUFFER] = "";
@@ -212,8 +213,8 @@ int onredirect = STATE_OK;
int use_ssl = FALSE;
int verbose = FALSE;
int sd;
-/*@null@*/ char *http_method = NULL;
-/*@null@*/ char *http_post_data = NULL;
+char *http_method = "GET";
+char *http_post_data = "";
char buffer[MAX_INPUT_BUFFER];
void print_usage (void);
@@ -404,11 +405,11 @@ process_arguments (int argc, char **argv)
asprintf (&host_name, "%s", optarg);
break;
case 'I': /* Server IP-address */
- server_address = strscpy (server_address, optarg);
+ asprintf (&server_address, "%s", optarg);
break;
case 'u': /* Host or server */
- server_url = strscpy (server_url, optarg);
- server_url_length = strlen (optarg);
+ asprintf (&server_url, "%s", optarg);
+ server_url_length = strlen (server_url);
break;
case 'p': /* Host or server */
if (!is_intnonneg (optarg))
@@ -421,8 +422,8 @@ process_arguments (int argc, char **argv)
user_auth[MAX_INPUT_BUFFER - 1] = 0;
break;
case 'P': /* HTTP POST data in URL encoded format */
- http_method = strscpy (http_method, "POST");
- http_post_data = strscpy (http_post_data, optarg);
+ asprintf (&http_method, "%s", "POST");
+ asprintf (&http_post_data, "%s", optarg);
break;
case 's': /* string or substring */
strncpy (string_expect, optarg, MAX_INPUT_BUFFER - 1);
@@ -464,27 +465,17 @@ process_arguments (int argc, char **argv)
c = optind;
- if (server_address == NULL) {
- if (c < argc) {
- server_address = strscpy (NULL, argv[c++]);
- }
- else if (strcmp (host_name ,"") == 0) {
- usage ("check_http: you must specify a server address\n");
- }
- }
+ if (strcmp (server_address, "") == 0 && c < argc)
+ asprintf (&server_address, "%s", argv[c++]);
- if (strcmp (host_name ,"") == 0 && c < argc)
+ if (strcmp (host_name, "") == 0 && c < argc)
asprintf (&host_name, "%s", argv[c++]);
- if (server_address == NULL)
- server_address = strscpy (NULL, host_name);
-
- if (http_method == NULL)
- http_method = strscpy (http_method, "GET");
-
- if (server_url == NULL) {
- server_url = strscpy (NULL, "/");
- server_url_length = strlen(HTTP_URL);
+ if (strcmp (server_address ,"") == 0) {
+ if (strcmp (host_name, "") == 0)
+ usage ("check_http: you must specify a server address or host name\n");
+ else
+ asprintf (&server_address, "%s", host_name);
}
return TRUE;
@@ -600,7 +591,7 @@ check_http (void)
}
/* either send http POST data */
- if (http_post_data) {
+ if (strlen (http_post_data)) {
asprintf (&buf, "Content-Type: application/x-www-form-urlencoded\r\n");
if (SSL_write (ssl, buf, strlen (buf)) == -1) {
ERR_print_errors_fp (stderr);
@@ -611,11 +602,15 @@ check_http (void)
ERR_print_errors_fp (stderr);
return STATE_CRITICAL;
}
- http_post_data = strscat (http_post_data, "\r\n");
if (SSL_write (ssl, http_post_data, strlen (http_post_data)) == -1) {
ERR_print_errors_fp (stderr);
return STATE_CRITICAL;
}
+ asprintf (&buf, CRLF);
+ if (SSL_write (ssl, buf, strlen (buf)) == -1) {
+ ERR_print_errors_fp (stderr);
+ return STATE_CRITICAL;
+ }
}
else {
/* or just a newline so the server knows we're done with the request */
@@ -655,13 +650,13 @@ check_http (void)
/* either send http POST data */
/* written by Chris Henesy <lurker@shadowtech.org> */
- if (http_post_data) {
+ if (strlen (http_post_data)) {
asprintf (&buf, "Content-Type: application/x-www-form-urlencoded\r\n");
send (sd, buf, strlen (buf), 0);
asprintf (&buf, "Content-Length: %i\r\n\r\n", strlen (http_post_data));
send (sd, buf, strlen (buf), 0);
- http_post_data = strscat (http_post_data, "\r\n");
send (sd, http_post_data, strlen (http_post_data), 0);
+ send (sd, CRLF, strlen (CRLF), 0);
}
else {
/* or just a newline so the server knows we're done with the request */
@@ -773,7 +768,7 @@ check_http (void)
strstr (status_line, "304")) {
if (onredirect == STATE_DEPENDENT) {
- orig_url = strscpy(NULL, server_url);
+ asprintf (&orig_url, "%s", server_url);
pos = header;
while (pos) {
server_address = realloc (server_address, MAX_IPV4_HOSTLENGTH);
@@ -788,26 +783,26 @@ check_http (void)
server_url_length = strcspn (pos, "\r\n");
}
if (sscanf (pos, HDR_LOCATION URI_HTTP URI_HOST URI_PORT URI_PATH, server_type, server_address, server_port_text, server_url) == 4) {
- host_name = strscpy (host_name, server_address);
+ asprintf (&host_name, "%s", server_address);
use_ssl = server_type_check (server_type);
server_port = atoi (server_port_text);
check_http ();
}
else if (sscanf (pos, HDR_LOCATION URI_HTTP URI_HOST URI_PATH, server_type, server_address, server_url) == 3 ) {
- host_name = strscpy (host_name, server_address);
+ asprintf (&host_name, "%s", server_address);
use_ssl = server_type_check (server_type);
server_port = server_port_check (use_ssl);
check_http ();
}
else if (sscanf (pos, HDR_LOCATION URI_HTTP URI_HOST URI_PORT, server_type, server_address, server_port_text) == 3) {
- host_name = strscpy (host_name, server_address);
+ asprintf (&host_name, "%s", server_address);
strcpy (server_url, "/");
use_ssl = server_type_check (server_type);
server_port = atoi (server_port_text);
check_http ();
}
else if (sscanf (pos, HDR_LOCATION URI_HTTP URI_HOST, server_type, server_address) == 2) {
- host_name = strscpy (host_name, server_address);
+ asprintf (&host_name, "%s", server_address);
strcpy (server_url, "/");
use_ssl = server_type_check (server_type);
server_port = server_port_check (use_ssl);
@@ -912,7 +907,7 @@ int connect_SSL (void)
{
SSL_METHOD *meth;
- randbuff = strscpy (NULL, "qwertyuiopasdfghjkl");
+ asprintf (randbuff, "%s", "qwertyuiopasdfghjkl");
RAND_seed (randbuff, strlen (randbuff));
/* Initialize SSL context */
SSLeay_add_ssl_algorithms ();