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openSUSE:Step:15-SP4
busybox-static.20467
wget-add-support-for-S-server-response.patch
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File wget-add-support-for-S-server-response.patch of Package busybox-static.20467
From: Denys Vlasenko <vda.linux@googlemail.com> Date: Tue Jan 24 21:41:43 2017 +0100 Subject: wget: add support for -S --server-response Patch-mainline: dff9fefd500401ad7821c9890fee4c3fb88f64eb Git-repo: https://git.busybox.net/busybox Git-commit: 3e27ecee03b9d5d2845451b094e58b8492bf6721 References: Based on the patch by stephane.billiart@gmail.com function old new delta ftpcmd 87 129 +42 fgets_and_trim 86 119 +33 static.wget_longopts 234 252 +18 packed_usage 31002 31015 +13 wget_main 2535 2540 +5 gethdr 158 163 +5 retrieve_file_data 424 428 +4 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 7/0 up/down: 120/0) Total: 120 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com> Signed-off-by: Egbert Eich <eich@suse.de> --- networking/wget.c | 49 +++++++++++++++++++++++++++++-------------------- 1 file changed, 29 insertions(+), 20 deletions(-) diff --git a/networking/wget.c b/networking/wget.c index b082a0f59..f3a923221 100644 --- a/networking/wget.c +++ b/networking/wget.c @@ -105,20 +105,21 @@ /* Since we ignore these opts, we don't show them in --help */ /* //usage: " [--no-check-certificate] [--no-cache] [--passive-ftp] [-t TRIES]" */ /* //usage: " [-nv] [-nc] [-nH] [-np]" */ -//usage: " [-U|--user-agent AGENT]" IF_FEATURE_WGET_TIMEOUT(" [-T SEC]") " URL..." +//usage: " [-S|--server-response] [-U|--user-agent AGENT]" IF_FEATURE_WGET_TIMEOUT(" [-T SEC]") " URL..." //usage: ) //usage: IF_NOT_FEATURE_WGET_LONG_OPTIONS( -//usage: "[-cq] [-O FILE] [-Y on/off] [-P DIR] [-U AGENT]" +//usage: "[-cq] [-O FILE] [-Y on/off] [-P DIR] [-S] [-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: IF_FEATURE_WGET_LONG_OPTIONS( -//usage: "\n --spider Spider mode - only check file existence" +//usage: "\n --spider Only check URL existence: $? is 0 if exists" //usage: ) //usage: "\n -c Continue retrieval of aborted transfer" //usage: "\n -q Quiet" //usage: "\n -P DIR Save to DIR (default .)" +//usage: "\n -S Show server response" //usage: IF_FEATURE_WGET_TIMEOUT( //usage: "\n -T SEC Network read timeout is SEC seconds" //usage: ) @@ -232,16 +233,17 @@ struct globals { enum { WGET_OPT_CONTINUE = (1 << 0), 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, + WGET_OPT_SERVER_RESPONSE = (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_nsomething = (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_SPIDER = (1 << 12) * ENABLE_FEATURE_WGET_LONG_OPTIONS, }; enum { @@ -395,7 +397,7 @@ static FILE *open_socket(len_and_sockaddr *lsa) } /* Returns '\n' if it was seen, else '\0'. Trims at first '\r' or '\n' */ -static char fgets_and_trim(FILE *fp) +static char fgets_and_trim(FILE *fp, const char *fmt) { char c; char *buf_ptr; @@ -413,6 +415,9 @@ static char fgets_and_trim(FILE *fp) log_io("< %s", G.wget_buf); + if (fmt && (option_mask32 & WGET_OPT_SERVER_RESPONSE)) + fprintf(stderr, fmt, G.wget_buf); + return c; } @@ -423,12 +428,15 @@ static int ftpcmd(const char *s1, const char *s2, FILE *fp) if (!s2) s2 = ""; fprintf(fp, "%s%s\r\n", s1, s2); + /* With --server-response, wget also shows its ftp commands */ + if (option_mask32 & WGET_OPT_SERVER_RESPONSE) + fprintf(stderr, "--> %s%s\n\n", s1, s2); fflush(fp); log_io("> %s%s", s1, s2); } do { - fgets_and_trim(fp); + fgets_and_trim(fp, "%s\n"); } while (!isdigit(G.wget_buf[0]) || G.wget_buf[3] != ' '); G.wget_buf[3] = '\0'; @@ -525,7 +533,7 @@ static char *gethdr(FILE *fp) int c; /* retrieve header line */ - c = fgets_and_trim(fp); + c = fgets_and_trim(fp, " %s\n"); /* end of the headers? */ if (G.wget_buf[0] == '\0') @@ -880,9 +888,9 @@ static void NOINLINE retrieve_file_data(FILE *dfp) if (!G.chunked) break; - fgets_and_trim(dfp); /* Eat empty line */ + fgets_and_trim(dfp, NULL); /* Eat empty line */ get_clen: - fgets_and_trim(dfp); + fgets_and_trim(dfp, NULL); G.content_len = STRTOOFF(G.wget_buf, NULL, 16); /* FIXME: error check? */ if (G.content_len == 0) @@ -1104,7 +1112,7 @@ static void download_one_url(const char *url) * Retrieve HTTP response line and check for "200" status code. */ read_response: - fgets_and_trim(sfp); + fgets_and_trim(sfp, " %s\n"); str = G.wget_buf; str = skip_non_whitespace(str); @@ -1289,6 +1297,7 @@ int wget_main(int argc UNUSED_PARAM, char **argv) /* name, has_arg, val */ "continue\0" No_argument "c" "quiet\0" No_argument "q" + "server-response\0" No_argument "S" "output-document\0" Required_argument "O" "directory-prefix\0" Required_argument "P" "proxy\0" Required_argument "Y" @@ -1331,7 +1340,7 @@ IF_DESKTOP( "no-parent\0" No_argument "\xf0") #endif opt_complementary = "-1" /* at least one URL */ IF_FEATURE_WGET_LONG_OPTIONS(":\xff::"); /* --header is a list */ - getopt32(argv, "cqO:P:Y:U:T:+" + getopt32(argv, "cqSO:P:Y:U:T:+" /*ignored:*/ "t:" /*ignored:*/ "n::" /* wget has exactly four -n<letter> opts, all of which we can ignore:
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