New function OCSP_parse_url() and -url option for ocsp utility.

[openssl.git] / crypto / ocsp / ocsp_lib.c

diff --git a/crypto/ocsp/ocsp_lib.c b/crypto/ocsp/ocsp_lib.c
index 18511e4fd89266348e306b7b7190a4a2ea646fb7..aaa4becaaeec34fac087327f456be23ab7b7a812 100644 (file)
--- a/crypto/ocsp/ocsp_lib.c
+++ b/crypto/ocsp/ocsp_lib.c
@@ -164,3 +164,105 @@ int OCSP_request_verify(OCSP_REQUEST *req, EVP_PKEY *pkey)
                }
        return OCSP_REQUEST_verify(req, pkey);
         }
                }
        return OCSP_REQUEST_verify(req, pkey);
         }

+
+
+/* Parse a URL and split it up into host, port and path components and whether
+ * it is SSL.
+ */
+
+int OCSP_parse_url(char *url, char **phost, char **pport, char **ppath, int *pssl)
+       {
+       char *p, *buf;
+
+       char *host, *port;
+
+       /* dup the buffer since we are going to mess with it */
+       buf = BUF_strdup(url);
+       if (!buf) goto mem_err;
+
+       *phost = NULL;
+       *pport = NULL;
+       *ppath = NULL;
+
+       /* Check for initial colon */
+       p = strchr(buf, ':');
+
+       if (!p) goto parse_err;
+
+       *(p++) = '\0';
+
+       if (!strcmp(buf, "http"))
+               {
+               *pssl = 0;
+               port = "80";
+               }
+       else if (!strcmp(buf, "https"))
+               {
+               *pssl = 1;
+               port = "443";
+               }
+       else
+               goto parse_err;
+
+       /* Check for double slash */
+       if ((p[0] != '/') || (p[1] != '/'))
+               goto parse_err;
+
+       p += 2;
+
+       host = p;
+
+       /* Check for trailing part of path */
+
+       p = strchr(p, '/');
+
+       if (!p) 
+               *ppath = BUF_strdup("/");
+       else
+               {
+               *ppath = BUF_strdup(p);
+               /* Set start of path to 0 so hostname is valid */
+               *p = '\0';
+               }
+
+       if (!*ppath) goto mem_err;
+
+       /* Look for optional ':' for port number */
+       if ((p = strchr(host, ':')))
+               {
+               *p = 0;
+               port = p + 1;
+               }
+       else
+               {
+               /* Not found: set default port */
+               if (*pssl) port = "443";
+               else port = "80";
+               }
+
+       *pport = BUF_strdup(port);
+       if (!*pport) goto mem_err;
+
+       *phost = BUF_strdup(host);
+
+       if (!*phost) goto mem_err;
+
+       OPENSSL_free(buf);
+
+       return 1;
+
+       mem_err:
+       OCSPerr(OCSP_F_OCSP_PARSE_URL, ERR_R_MALLOC_FAILURE);
+       goto err;
+
+       parse_err:
+       OCSPerr(OCSP_F_OCSP_PARSE_URL, OCSP_R_ERROR_PARSING_URL);
+
+
+       err:
+       if (*ppath) OPENSSL_free(*ppath);
+       if (*pport) OPENSSL_free(*pport);
+       if (*phost) OPENSSL_free(*phost);
+       return 0;
+
+       }