as Ralph Mitchell pointed out, the Location: following code needs some (3d582064) · Commits · CYBER - Cyber Security / TS 103 523 MSP / TLMSP / TLMSP curl

lib/transfer.c

+43 −4

Original line number	Diff line number	Diff line
		@@ -1343,6 +1343,8 @@ CURLcode Curl_perform(struct SessionHandle *data)
		char *pathsep;
		char *newest;

		char *useurl = newurl;

		/* we must make our own copy of the URL to play with, as it may
		point to read-only data */
		char *url_clone=strdup(data->change.url);
		@@ -1360,6 +1362,8 @@ CURLcode Curl_perform(struct SessionHandle *data)
		protsep+=2; /* pass the slashes */

		if('/' != newurl[0]) {
		int level=0;

		/* First we need to find out if there's a ?-letter in the URL,
		and cut it and the right-side of that off */
		pathsep = strrchr(protsep, '?');
		@@ -1371,6 +1375,40 @@ CURLcode Curl_perform(struct SessionHandle *data)
		pathsep = strrchr(protsep, '/');
		if(pathsep)
		*pathsep=0;

		/* Check if there's any slash after the host name, and if so,
		remember that position instead */
		pathsep = strchr(protsep, '/');
		if(pathsep)
		protsep = pathsep+1;
		else
		protsep = NULL;

		/* now deal with one "./" or any amount of "../" in the newurl
		and act accordingly */

		if((useurl[0] == '.') && (useurl[1] == '/'))
		useurl+=2; /* just skip the "./" */

		while((useurl[0] == '.') &&
		(useurl[1] == '.') &&
		(useurl[2] == '/')) {
		level++;
		useurl+=3; /* pass the "../" */
		}

		if(protsep) {
		while(level--) {
		/* cut off one more level from the right of the original URL */
		pathsep = strrchr(protsep, '/');
		if(pathsep)
		*pathsep=0;
		else {
		*protsep=0;
		break;
		}
		}
		}
		}
		else {
		/* We got a new absolute path for this server, cut off from the
		@@ -1382,15 +1420,16 @@ CURLcode Curl_perform(struct SessionHandle *data)

		newest=(char *)malloc( strlen(url_clone) +
		1 + /* possible slash */
		strlen(newurl) + 1/* zero byte */);
		strlen(useurl) + 1/* zero byte */);

		if(!newest) {
		res = CURLE_OUT_OF_MEMORY;
		break; /* go go go out from this loop */
		}
		sprintf(newest, "%s%s%s", url_clone, ('/' == newurl[0])?"":"/",
		newurl);
		free(newurl);
		sprintf(newest, "%s%s%s", url_clone,
		(('/' == useurl[0]) \|\| !*protsep)?"":"/",
		useurl);
		free(newurl); /* newurl is the allocated pointer */
		free(url_clone);
		newurl = newest;
		}