//usage:#define wget_trivial_usage
//usage: IF_FEATURE_WGET_LONG_OPTIONS(
-//usage: "[-c|--continue] [-s|--spider] [-q|--quiet] [-O|--output-document FILE]\n"
+//usage: "[-c|--continue] [--spider] [-q|--quiet] [-O|--output-document FILE]\n"
//usage: " [--header 'header: value'] [-Y|--proxy on/off] [-P DIR]\n"
/* Since we ignore these opts, we don't show them in --help */
/* //usage: " [--no-check-certificate] [--no-cache] [--passive-ftp] [-t TRIES]" */
//usage: " [-U|--user-agent AGENT]" IF_FEATURE_WGET_TIMEOUT(" [-T SEC]") " URL..."
//usage: )
//usage: IF_NOT_FEATURE_WGET_LONG_OPTIONS(
-//usage: "[-csq] [-O FILE] [-Y on/off] [-P DIR] [-U AGENT]"
+//usage: "[-cq] [-O FILE] [-Y on/off] [-P DIR] [-U AGENT]"
//usage: IF_FEATURE_WGET_TIMEOUT(" [-T SEC]") " URL..."
//usage: )
//usage:#define wget_full_usage "\n\n"
//usage: "Retrieve files via HTTP or FTP\n"
-//usage: "\n -s Spider mode - only check file existence"
-//usage: "\n -c Continue retrieval of aborted transfer"
-//usage: "\n -q Quiet"
-//usage: "\n -P DIR Save to DIR (default .)"
+//usage: IF_FEATURE_WGET_LONG_OPTIONS(
+//usage: "\n --spider Spider mode - only check file existence"
+//usage: )
+//usage: "\n -c Continue retrieval of aborted transfer"
+//usage: "\n -q Quiet"
+//usage: "\n -P DIR Save to DIR (default .)"
//usage: IF_FEATURE_WGET_TIMEOUT(
-//usage: "\n -T SEC Network read timeout is SEC seconds"
+//usage: "\n -T SEC Network read timeout is SEC seconds"
//usage: )
-//usage: "\n -O FILE Save to FILE ('-' for stdout)"
-//usage: "\n -U STR Use STR for User-Agent header"
-//usage: "\n -Y Use proxy ('on' or 'off')"
+//usage: "\n -O FILE Save to FILE ('-' for stdout)"
+//usage: "\n -U STR Use STR for User-Agent header"
+//usage: "\n -Y on/off Use proxy"
#include "libbb.h"
/* Must match option string! */
enum {
WGET_OPT_CONTINUE = (1 << 0),
- WGET_OPT_SPIDER = (1 << 1),
- WGET_OPT_QUIET = (1 << 2),
- WGET_OPT_OUTNAME = (1 << 3),
- WGET_OPT_PREFIX = (1 << 4),
- WGET_OPT_PROXY = (1 << 5),
- WGET_OPT_USER_AGENT = (1 << 6),
- WGET_OPT_NETWORK_READ_TIMEOUT = (1 << 7),
- WGET_OPT_RETRIES = (1 << 8),
- WGET_OPT_PASSIVE = (1 << 9),
- WGET_OPT_HEADER = (1 << 10) * ENABLE_FEATURE_WGET_LONG_OPTIONS,
- WGET_OPT_POST_DATA = (1 << 11) * ENABLE_FEATURE_WGET_LONG_OPTIONS,
+ WGET_OPT_QUIET = (1 << 1),
+ WGET_OPT_OUTNAME = (1 << 2),
+ WGET_OPT_PREFIX = (1 << 3),
+ WGET_OPT_PROXY = (1 << 4),
+ WGET_OPT_USER_AGENT = (1 << 5),
+ WGET_OPT_NETWORK_READ_TIMEOUT = (1 << 6),
+ WGET_OPT_RETRIES = (1 << 7),
+ WGET_OPT_nsomething = (1 << 8),
+ WGET_OPT_HEADER = (1 << 9) * ENABLE_FEATURE_WGET_LONG_OPTIONS,
+ WGET_OPT_POST_DATA = (1 << 10) * ENABLE_FEATURE_WGET_LONG_OPTIONS,
+ WGET_OPT_SPIDER = (1 << 11) * ENABLE_FEATURE_WGET_LONG_OPTIONS,
};
enum {
}
fflush(sfp);
+ /* If we use SSL helper, keeping our end of the socket open for writing
+ * makes our end (i.e. the same fd!) readable (EAGAIN instead of EOF)
+ * even after child closes its copy of the fd.
+ * This helps:
+ */
+ shutdown(fileno(sfp), SHUT_WR);
/*
* Retrieve HTTP response line and check for "200" status code.
while (gethdr(sfp) != NULL)
/* eat all remaining headers */;
goto read_response;
+
+ /* Success responses */
case 200:
+ /* fall through */
+ case 201: /* 201 Created */
+/* "The request has been fulfilled and resulted in a new resource being created" */
+ /* Standard wget is reported to treat this as success */
+ /* fall through */
+ case 202: /* 202 Accepted */
+/* "The request has been accepted for processing, but the processing has not been completed" */
+ /* Treat as success: fall through */
+ case 203: /* 203 Non-Authoritative Information */
+/* "Use of this response code is not required and is only appropriate when the response would otherwise be 200 (OK)" */
+ /* fall through */
+ case 204: /* 204 No Content */
/*
Response 204 doesn't say "null file", it says "metadata
has changed but data didn't":
However, in real world it was observed that some web servers
(e.g. Boa/0.94.14rc21) simply use code 204 when file size is zero.
*/
- case 204:
if (G.beg_range != 0) {
/* "Range:..." was not honored by the server.
* Restart download from the beginning.
reset_beg_range_to_zero();
}
break;
+ /* 205 Reset Content ?? what to do on this ?? */
+
case 300: /* redirection */
case 301:
case 302:
case 303:
break;
+
case 206: /* Partial Content */
if (G.beg_range != 0)
/* "Range:..." worked. Good. */
static const char wget_longopts[] ALIGN1 =
/* name, has_arg, val */
"continue\0" No_argument "c"
-//FIXME: -s isn't --spider, it's --save-headers!
- "spider\0" No_argument "s"
"quiet\0" No_argument "q"
"output-document\0" Required_argument "O"
"directory-prefix\0" Required_argument "P"
IF_DESKTOP( "tries\0" Required_argument "t")
"header\0" Required_argument "\xff"
"post-data\0" Required_argument "\xfe"
+ "spider\0" No_argument "\xfd"
/* Ignored (we always use PASV): */
IF_DESKTOP( "passive-ftp\0" No_argument "\xf0")
/* Ignored (we don't do ssl) */
#endif
opt_complementary = "-1" /* at least one URL */
IF_FEATURE_WGET_LONG_OPTIONS(":\xff::"); /* --header is a list */
- getopt32(argv, "csqO:P:Y:U:T:+"
+ getopt32(argv, "cqO:P:Y:U:T:+"
/*ignored:*/ "t:"
/*ignored:*/ "n::"
/* wget has exactly four -n<letter> opts, all of which we can ignore:
IF_FEATURE_WGET_LONG_OPTIONS(, &headers_llist)
IF_FEATURE_WGET_LONG_OPTIONS(, &G.post_data)
);
+#if 0 /* option bits debug */
+ if (option_mask32 & WGET_OPT_RETRIES) bb_error_msg("-t NUM");
+ if (option_mask32 & WGET_OPT_nsomething) bb_error_msg("-nsomething");
+ if (option_mask32 & WGET_OPT_HEADER) bb_error_msg("--header");
+ if (option_mask32 & WGET_OPT_POST_DATA) bb_error_msg("--post-data");
+ if (option_mask32 & WGET_OPT_SPIDER) bb_error_msg("--spider");
+ exit(0);
+#endif
argv += optind;
#if ENABLE_FEATURE_WGET_LONG_OPTIONS
projects / oweals / busybox.git / blobdiff