WPS: Replace the httpread_debug design with standard debug prints

The debug information from httpread can be helpful in figuring out error
cases in general and as such, should be enabled by default. Get rid of
the hardcoded httpread_debug value that would require source code
changes to enable.

Signed-off-by: Jouni Malinen <j@w1.fi>

src/wps/httpread.c

@@ -44,16 +44,6 @@
 #define HTTPREAD_HEADER_MAX_SIZE 4096   /* max allowed for headers */
 #define HTTPREAD_BODYBUF_DELTA 4096     /* increase allocation by this */
 
-#if 0
-/* httpread_debug -- set this global variable > 0 e.g. from debugger
- * to enable debugs (larger numbers for more debugs)
- * Make this a #define of 0 to eliminate the debugging code.
- */
-int httpread_debug = 99;
-#else
-#define httpread_debug 0        /* eliminates even the debugging code */
-#endif
-
 
 /* control instance -- actual definition (opaque to application)
  */
@@ -136,8 +126,7 @@ static void httpread_timeout_handler(void *eloop_data, void *user_ctx);
  */
 void httpread_destroy(struct httpread *h)
 {
-	if (httpread_debug >= 10)
-		wpa_printf(MSG_DEBUG, "ENTER httpread_destroy(%p)", h);
+	wpa_printf(MSG_DEBUG, "httpread_destroy(%p)", h);
 	if (!h)
 		return;
 
@@ -386,12 +375,10 @@ static void httpread_read_handler(int sd, void *eloop_ctx, void *sock_ctx)
 	char *bbp;      /* pointer into body buffer */
 	char readbuf[HTTPREAD_READBUF_SIZE];  /* temp use to read into */
 
-	if (httpread_debug >= 20)
-		wpa_printf(MSG_DEBUG, "ENTER httpread_read_handler(%p)", h);
-
 	/* read some at a time, then search for the interal
 	 * boundaries between header and data and etc.
 	 */
+	wpa_printf(MSG_DEBUG, "httpread: Trying to read more data(%p)", h);
 	nread = read(h->sd, readbuf, sizeof(readbuf));
 	if (nread < 0)
 		goto bad;
@@ -417,8 +404,7 @@ static void httpread_read_handler(int sd, void *eloop_ctx, void *sock_ctx)
 		 * although dropped connections can cause false
 		 * end
 		 */
-		if (httpread_debug >= 10)
-			wpa_printf(MSG_DEBUG, "httpread ok eof(%p)", h);
+		wpa_printf(MSG_DEBUG, "httpread ok eof(%p)", h);
 		h->got_body = 1;
 		goto got_file;
 	}
@@ -459,16 +445,13 @@ static void httpread_read_handler(int sd, void *eloop_ctx, void *sock_ctx)
 			goto bad;
 		}
 		if (h->max_bytes == 0) {
-			if (httpread_debug >= 10)
-				wpa_printf(MSG_DEBUG,
-					   "httpread no body hdr end(%p)", h);
+			wpa_printf(MSG_DEBUG, "httpread no body hdr end(%p)",
+				   h);
 			goto got_file;
 		}
 		if (h->got_content_length && h->content_length == 0) {
-			if (httpread_debug >= 10)
-				wpa_printf(MSG_DEBUG,
-					   "httpread zero content length(%p)",
-					   h);
+			wpa_printf(MSG_DEBUG,
+				   "httpread zero content length(%p)", h);
 			goto got_file;
 		}
 	}
@@ -481,9 +464,7 @@ static void httpread_read_handler(int sd, void *eloop_ctx, void *sock_ctx)
 	    !os_strncasecmp(h->hdr, "HEAD", 4) ||
 	    !os_strncasecmp(h->hdr, "GET", 3)) {
 		if (!h->got_body) {
-			if (httpread_debug >= 10)
-				wpa_printf(MSG_DEBUG,
-					   "httpread NO BODY for sp. type");
+			wpa_printf(MSG_DEBUG, "httpread NO BODY for sp. type");
 		}
 		h->got_body = 1;
 		goto got_file;
@@ -562,10 +543,9 @@ static void httpread_read_handler(int sd, void *eloop_ctx, void *sock_ctx)
 						/* end of chunking */
 						/* trailer follows */
 						h->in_trailer = 1;
-						if (httpread_debug >= 20)
-							wpa_printf(
-								MSG_DEBUG,
-								"httpread end chunks(%p)", h);
+						wpa_printf(MSG_DEBUG,
+							   "httpread end chunks(%p)",
+							   h);
 						break;
 					}
 					h->in_chunk_data = 1;
@@ -594,10 +574,8 @@ static void httpread_read_handler(int sd, void *eloop_ctx, void *sock_ctx)
 			} else if (h->got_content_length &&
 				   h->body_nbytes >= h->content_length) {
 				h->got_body = 1;
-				if (httpread_debug >= 10)
-					wpa_printf(
-						MSG_DEBUG,
-						"httpread got content(%p)", h);
+				wpa_printf(MSG_DEBUG,
+					   "httpread got content(%p)", h);
 				goto got_file;
 			}
 			if (nread <= 0)
@@ -660,10 +638,9 @@ static void httpread_read_handler(int sd, void *eloop_ctx, void *sock_ctx)
 				if (c == '\n') {
 					h->trailer_state = trailer_line_begin;
 					h->in_trailer = 0;
-					if (httpread_debug >= 10)
-						wpa_printf(
-							MSG_DEBUG,
-							"httpread got content(%p)", h);
+					wpa_printf(MSG_DEBUG,
+						   "httpread got content(%p)",
+						   h);
 					h->got_body = 1;
 					goto got_file;
 				}
@@ -694,10 +671,8 @@ get_more:
 	return;
 
 got_file:
-	if (httpread_debug >= 10)
-		wpa_printf(MSG_DEBUG,
-			   "httpread got file %d bytes type %d",
-			   h->body_nbytes, h->hdr_type);
+	wpa_printf(MSG_DEBUG, "httpread got file %d bytes type %d",
+		   h->body_nbytes, h->hdr_type);
 	/* Null terminate for convenience of some applications */
 	if (h->body)
 		h->body[h->body_nbytes] = 0; /* null terminate */