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authorEric Andersen2000-12-09 16:55:35 +0000
committerEric Andersen2000-12-09 16:55:35 +0000
commit29edd005f9e16d66f8fe85ac81da39d7d4311bc7 (patch)
tree82f333450c721f91dc09daf2f791f19c5c51f84a /networking
parentafdde3e356bb621f230e4ef556609368647399e6 (diff)
downloadbusybox-29edd005f9e16d66f8fe85ac81da39d7d4311bc7.zip
busybox-29edd005f9e16d66f8fe85ac81da39d7d4311bc7.tar.gz
More wget cleanups I've been working on...
Diffstat (limited to 'networking')
-rw-r--r--networking/wget.c83
1 files changed, 53 insertions, 30 deletions
diff --git a/networking/wget.c b/networking/wget.c
index 9e15076..50b9aee 100644
--- a/networking/wget.c
+++ b/networking/wget.c
@@ -50,19 +50,21 @@ volatile unsigned long statbytes; /* Number of bytes transferred so far. */
int wget_main(int argc, char **argv)
{
- FILE *sfp; /* socket to web server */
- char *uri_host, *uri_path; /* parsed from command line url */
- char *proxy;
- int uri_port;
- char *s, buf[512];
int n;
+ char *proxy, *proxy_host;
+ int uri_port, proxy_port;
+ char *s, buf[512];
+ struct stat sbuf;
+ FILE *sfp; /* socket to web server */
+ char *uri_host, *uri_path; /* parsed from command line url */
char *fname_out = NULL; /* where to direct output (-O) */
int do_continue = 0; /* continue a prev transfer (-c) */
long beg_range = 0L; /* range at which continue begins */
int got_clen = 0; /* got content-length: from server */
- FILE *output; /* socket to web server */
- int quiet_flag = FALSE;
+ FILE *output; /* socket to web server */
+ int quiet_flag = FALSE; /* Be verry, verry quiet... */
+
/*
* Crack command line.
*/
@@ -89,20 +91,6 @@ int wget_main(int argc, char **argv)
if (argc - optind != 1)
usage(wget_usage);
- /* Guess an output filename */
- if (!fname_out) {
- fname_out =
-#ifdef BB_FEATURE_STATUSBAR
- curfile =
-#endif
- get_last_path_component(argv[optind]);
-#ifdef BB_FEATURE_STATUSBAR
- } else {
- curfile=argv[optind];
-#endif
- }
-
-
if (do_continue && !fname_out)
error_msg_and_die("cannot specify continue (-c) without a filename (-O)\n");
@@ -111,22 +99,52 @@ int wget_main(int argc, char **argv)
*/
if ((proxy = getenv("http_proxy")) != NULL) {
proxy = xstrdup(proxy);
- parse_url(proxy, &uri_host, &uri_port, &uri_path);
- uri_path = argv[optind];
+ parse_url(proxy, &proxy_host, &proxy_port, &uri_path);
+ parse_url(argv[optind], &uri_host, &uri_port, &uri_path);
} else {
/*
* Parse url into components.
*/
parse_url(argv[optind], &uri_host, &uri_port, &uri_path);
+ proxy_host=uri_host;
+ proxy_port=uri_port;
+ }
+
+ /* Guess an output filename */
+ if (!fname_out) {
+ fname_out =
+#ifdef BB_FEATURE_STATUSBAR
+ curfile =
+#endif
+ get_last_path_component(uri_path);
+ if (fname_out==NULL || strlen(fname_out)<1) {
+ fname_out =
+#ifdef BB_FEATURE_STATUSBAR
+ curfile =
+#endif
+ "index.html";
+ }
+#ifdef BB_FEATURE_STATUSBAR
+ } else {
+ curfile=argv[optind];
+#endif
}
+
/*
* Open socket to server.
*/
- sfp = open_socket(uri_host, uri_port);
+ sfp = open_socket(proxy_host, proxy_port);
+
+ /* Make the assumption that if the file already exists
+ * on disk that the intention is to continue downloading
+ * a previously aborted download -Erik */
+ if (stat(fname_out, &sbuf) == 0) {
+ ++do_continue;
+ }
/*
- * Open the output stream.
+ * Open the output file stream.
*/
if (fname_out != (char *)1) {
if ( (output=fopen(fname_out, (do_continue ? "a" : "w")))
@@ -140,7 +158,6 @@ int wget_main(int argc, char **argv)
* Determine where to start transfer.
*/
if (do_continue) {
- struct stat sbuf;
if (fstat(fileno(output), &sbuf) < 0)
error_msg_and_die("fstat()");
if (sbuf.st_size > 0)
@@ -152,16 +169,19 @@ int wget_main(int argc, char **argv)
/*
* Send HTTP request.
*/
- fprintf(sfp, "GET %s HTTP/1.1\r\nHost: %s\r\n", uri_path, uri_host);
+ fprintf(sfp, "GET http://%s:%d/%s HTTP/1.1\r\n",
+ uri_host, uri_port, uri_path);
+ fprintf(sfp, "Host: %s\r\nUser-Agent: Wget\r\n", uri_host);
if (do_continue)
fprintf(sfp, "Range: bytes=%ld-\r\n", beg_range);
- fputs("Connection: close\r\n\r\n", sfp);
+ fprintf(sfp,"Connection: close\r\n\r\n");
/*
* Retrieve HTTP response line and check for "200" status code.
*/
- if (fgets(buf, sizeof(buf), sfp) == NULL)
+ if (fgets(buf, sizeof(buf), sfp) == NULL) {
error_msg_and_die("no response from server\n");
+ }
for (s = buf ; *s != '\0' && !isspace(*s) ; ++s)
;
for ( ; isspace(*s) ; ++s)
@@ -243,6 +263,9 @@ void parse_url(char *url, char **uri_host, int *uri_port, char **uri_path)
*uri_host = url;
*uri_path = h;
+
+ if (!strcmp( *uri_host, *uri_path))
+ *uri_path = defaultpath;
}
@@ -491,7 +514,7 @@ progressmeter(int flag)
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
- * $Id: wget.c,v 1.12 2000/12/09 08:12:06 bug1 Exp $
+ * $Id: wget.c,v 1.13 2000/12/09 16:55:35 andersen Exp $
*/