wget: reorder functions, no code changes
This commit is contained in:
Denis Vlasenko
parent
7710563858
commit
47ddd01b3c
@ -50,20 +50,166 @@ struct BUG_G_too_big {
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#define INIT_G() do { } while (0)
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static void parse_url(char *url, struct host_info *h);
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static FILE *open_socket(len_and_sockaddr *lsa);
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static char *gethdr(char *buf, size_t bufsiz, FILE *fp /*,int *istrunc*/ );
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static int ftpcmd(const char *s1, const char *s2, FILE *fp, char *buf);
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#if ENABLE_FEATURE_WGET_STATUSBAR
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static void progressmeter(int flag);
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enum {
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STALLTIME = 5 /* Seconds when xfer considered "stalled" */
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};
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#else
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static ALWAYS_INLINE void progressmeter(int flag) {}
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static int getttywidth(void)
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{
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int width;
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get_terminal_width_height(0, &width, NULL);
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return width;
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}
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static void updateprogressmeter(int ignore)
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{
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int save_errno = errno;
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progressmeter(0);
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errno = save_errno;
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}
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static void alarmtimer(int iwait)
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{
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struct itimerval itv;
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itv.it_value.tv_sec = iwait;
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itv.it_value.tv_usec = 0;
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itv.it_interval = itv.it_value;
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setitimer(ITIMER_REAL, &itv, NULL);
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}
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static void progressmeter(int flag)
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{
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off_t abbrevsize;
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unsigned since_last_update, elapsed;
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unsigned ratio;
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int barlength, i;
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if (flag == -1) { /* first call to progressmeter */
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start_sec = monotonic_sec();
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lastupdate_sec = start_sec;
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lastsize = 0;
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totalsize = content_len + beg_range; /* as content_len changes.. */
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}
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ratio = 100;
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if (totalsize != 0 && !chunked) {
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/* long long helps to have it working even if !LFS */
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ratio = (unsigned) (100ULL * (transferred+beg_range) / totalsize);
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if (ratio > 100) ratio = 100;
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}
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fprintf(stderr, "\r%-20.20s%4d%% ", curfile, ratio);
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barlength = getttywidth() - 49;
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if (barlength > 0) {
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/* god bless gcc for variable arrays :) */
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i = barlength * ratio / 100;
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{
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char buf[i+1];
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memset(buf, '*', i);
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buf[i] = '\0';
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fprintf(stderr, "|%s%*s|", buf, barlength - i, "");
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}
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}
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i = 0;
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abbrevsize = transferred + beg_range;
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while (abbrevsize >= 100000) {
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i++;
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abbrevsize >>= 10;
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}
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/* see http://en.wikipedia.org/wiki/Tera */
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fprintf(stderr, "%6d%c ", (int)abbrevsize, " kMGTPEZY"[i]);
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// Nuts! Ain't it easier to update progress meter ONLY when we transferred++?
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// FIXME: get rid of alarmtimer + updateprogressmeter mess
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elapsed = monotonic_sec();
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since_last_update = elapsed - lastupdate_sec;
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if (transferred > lastsize) {
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lastupdate_sec = elapsed;
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lastsize = transferred;
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if (since_last_update >= STALLTIME) {
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/* We "cut off" these seconds from elapsed time
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* by adjusting start time */
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start_sec += since_last_update;
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}
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since_last_update = 0; /* we are un-stalled now */
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}
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elapsed -= start_sec; /* now it's "elapsed since start" */
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if (since_last_update >= STALLTIME) {
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fprintf(stderr, " - stalled -");
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} else {
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off_t to_download = totalsize - beg_range;
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if (transferred <= 0 || (int)elapsed <= 0 || transferred > to_download || chunked) {
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fprintf(stderr, "--:--:-- ETA");
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} else {
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/* to_download / (transferred/elapsed) - elapsed: */
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int eta = (int) ((unsigned long long)to_download*elapsed/transferred - elapsed);
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/* (long long helps to have working ETA even if !LFS) */
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i = eta % 3600;
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fprintf(stderr, "%02d:%02d:%02d ETA", eta / 3600, i / 60, i % 60);
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}
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}
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if (flag == -1) { /* first call to progressmeter */
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struct sigaction sa;
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sa.sa_handler = updateprogressmeter;
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sigemptyset(&sa.sa_mask);
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sa.sa_flags = SA_RESTART;
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sigaction(SIGALRM, &sa, NULL);
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alarmtimer(1);
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} else if (flag == 1) { /* last call to progressmeter */
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alarmtimer(0);
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transferred = 0;
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putc('\n', stderr);
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}
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}
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/* Original copyright notice which applies to the CONFIG_FEATURE_WGET_STATUSBAR stuff,
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* much of which was blatantly stolen from openssh. */
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/*-
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* Copyright (c) 1992, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. <BSD Advertising Clause omitted per the July 22, 1999 licensing change
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* ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change>
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*
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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#else /* FEATURE_WGET_STATUSBAR */
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static ALWAYS_INLINE void progressmeter(int flag) { }
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#endif
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/* Read NMEMB bytes into PTR from STREAM. Returns the number of bytes read,
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* and a short count if an eof or non-interrupt error is encountered. */
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static size_t safe_fread(void *ptr, size_t nmemb, FILE *stream)
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@ -107,6 +253,157 @@ static char *base64enc_512(char buf[512], const char *str)
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}
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#endif
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static FILE *open_socket(len_and_sockaddr *lsa)
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{
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FILE *fp;
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/* glibc 2.4 seems to try seeking on it - ??! */
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/* hopefully it understands what ESPIPE means... */
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fp = fdopen(xconnect_stream(lsa), "r+");
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if (fp == NULL)
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bb_perror_msg_and_die("fdopen");
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return fp;
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}
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static int ftpcmd(const char *s1, const char *s2, FILE *fp, char *buf)
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{
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int result;
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if (s1) {
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if (!s2) s2 = "";
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fprintf(fp, "%s%s\r\n", s1, s2);
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fflush(fp);
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}
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do {
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char *buf_ptr;
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if (fgets(buf, 510, fp) == NULL) {
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bb_perror_msg_and_die("error getting response");
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}
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buf_ptr = strstr(buf, "\r\n");
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if (buf_ptr) {
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*buf_ptr = '\0';
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}
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} while (!isdigit(buf[0]) || buf[3] != ' ');
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buf[3] = '\0';
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result = xatoi_u(buf);
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buf[3] = ' ';
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return result;
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}
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static void parse_url(char *src_url, struct host_info *h)
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{
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char *url, *p, *sp;
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/* h->allocated = */ url = xstrdup(src_url);
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if (strncmp(url, "http://", 7) == 0) {
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h->port = bb_lookup_port("http", "tcp", 80);
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h->host = url + 7;
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h->is_ftp = 0;
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} else if (strncmp(url, "ftp://", 6) == 0) {
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h->port = bb_lookup_port("ftp", "tcp", 21);
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h->host = url + 6;
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h->is_ftp = 1;
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} else
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bb_error_msg_and_die("not an http or ftp url: %s", url);
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// FYI:
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// "Real" wget 'http://busybox.net?var=a/b' sends this request:
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// 'GET /?var=a/b HTTP 1.0'
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// and saves 'index.html?var=a%2Fb' (we save 'b')
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// wget 'http://busybox.net?login=john@doe':
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// request: 'GET /?login=john@doe HTTP/1.0'
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// saves: 'index.html?login=john@doe' (we save '?login=john@doe')
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// wget 'http://busybox.net#test/test':
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// request: 'GET / HTTP/1.0'
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// saves: 'index.html' (we save 'test')
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//
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// We also don't add unique .N suffix if file exists...
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sp = strchr(h->host, '/');
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p = strchr(h->host, '?'); if (!sp || (p && sp > p)) sp = p;
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p = strchr(h->host, '#'); if (!sp || (p && sp > p)) sp = p;
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if (!sp) {
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/* must be writable because of bb_get_last_path_component() */
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static char nullstr[] ALIGN1 = "";
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h->path = nullstr;
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} else if (*sp == '/') {
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*sp = '\0';
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h->path = sp + 1;
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} else { // '#' or '?'
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// http://busybox.net?login=john@doe is a valid URL
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// memmove converts to:
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// http:/busybox.nett?login=john@doe...
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memmove(h->host-1, h->host, sp - h->host);
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h->host--;
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sp[-1] = '\0';
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h->path = sp;
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}
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sp = strrchr(h->host, '@');
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h->user = NULL;
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if (sp != NULL) {
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h->user = h->host;
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*sp = '\0';
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h->host = sp + 1;
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}
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sp = h->host;
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}
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static char *gethdr(char *buf, size_t bufsiz, FILE *fp /*, int *istrunc*/)
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{
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char *s, *hdrval;
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int c;
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/* *istrunc = 0; */
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/* retrieve header line */
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if (fgets(buf, bufsiz, fp) == NULL)
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return NULL;
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/* see if we are at the end of the headers */
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for (s = buf; *s == '\r'; ++s)
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continue;
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if (*s == '\n')
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return NULL;
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/* convert the header name to lower case */
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for (s = buf; isalnum(*s) || *s == '-' || *s == '.'; ++s)
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*s = tolower(*s);
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/* verify we are at the end of the header name */
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if (*s != ':')
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bb_error_msg_and_die("bad header line: %s", buf);
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/* locate the start of the header value */
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*s++ = '\0';
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hdrval = skip_whitespace(s);
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/* locate the end of header */
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while (*s && *s != '\r' && *s != '\n')
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++s;
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/* end of header found */
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if (*s) {
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*s = '\0';
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return hdrval;
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}
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/* Rats! The buffer isn't big enough to hold the entire header value. */
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while (c = getc(fp), c != EOF && c != '\n')
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continue;
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/* *istrunc = 1; */
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return hdrval;
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}
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int wget_main(int argc, char **argv);
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int wget_main(int argc, char **argv)
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{
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@ -527,312 +824,4 @@ int wget_main(int argc, char **argv)
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}
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return EXIT_SUCCESS;
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} /* wget_main() */
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static void parse_url(char *src_url, struct host_info *h)
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{
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char *url, *p, *sp;
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/* h->allocated = */ url = xstrdup(src_url);
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if (strncmp(url, "http://", 7) == 0) {
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h->port = bb_lookup_port("http", "tcp", 80);
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h->host = url + 7;
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h->is_ftp = 0;
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} else if (strncmp(url, "ftp://", 6) == 0) {
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h->port = bb_lookup_port("ftp", "tcp", 21);
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h->host = url + 6;
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h->is_ftp = 1;
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} else
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bb_error_msg_and_die("not an http or ftp url: %s", url);
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// FYI:
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// "Real" wget 'http://busybox.net?var=a/b' sends this request:
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// 'GET /?var=a/b HTTP 1.0'
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// and saves 'index.html?var=a%2Fb' (we save 'b')
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// wget 'http://busybox.net?login=john@doe':
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// request: 'GET /?login=john@doe HTTP/1.0'
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// saves: 'index.html?login=john@doe' (we save '?login=john@doe')
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// wget 'http://busybox.net#test/test':
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// request: 'GET / HTTP/1.0'
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// saves: 'index.html' (we save 'test')
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//
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// We also don't add unique .N suffix if file exists...
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sp = strchr(h->host, '/');
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p = strchr(h->host, '?'); if (!sp || (p && sp > p)) sp = p;
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p = strchr(h->host, '#'); if (!sp || (p && sp > p)) sp = p;
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if (!sp) {
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/* must be writable because of bb_get_last_path_component() */
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static char nullstr[] ALIGN1 = "";
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h->path = nullstr;
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} else if (*sp == '/') {
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*sp = '\0';
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h->path = sp + 1;
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} else { // '#' or '?'
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// http://busybox.net?login=john@doe is a valid URL
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// memmove converts to:
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// http:/busybox.nett?login=john@doe...
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memmove(h->host-1, h->host, sp - h->host);
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h->host--;
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sp[-1] = '\0';
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h->path = sp;
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}
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sp = strrchr(h->host, '@');
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h->user = NULL;
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if (sp != NULL) {
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h->user = h->host;
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*sp = '\0';
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h->host = sp + 1;
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}
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sp = h->host;
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}
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static FILE *open_socket(len_and_sockaddr *lsa)
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{
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FILE *fp;
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/* glibc 2.4 seems to try seeking on it - ??! */
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/* hopefully it understands what ESPIPE means... */
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fp = fdopen(xconnect_stream(lsa), "r+");
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if (fp == NULL)
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bb_perror_msg_and_die("fdopen");
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return fp;
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}
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static char *gethdr(char *buf, size_t bufsiz, FILE *fp /*, int *istrunc*/)
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{
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char *s, *hdrval;
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int c;
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/* *istrunc = 0; */
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/* retrieve header line */
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if (fgets(buf, bufsiz, fp) == NULL)
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return NULL;
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/* see if we are at the end of the headers */
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for (s = buf; *s == '\r'; ++s)
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continue;
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if (*s == '\n')
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return NULL;
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/* convert the header name to lower case */
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for (s = buf; isalnum(*s) || *s == '-' || *s == '.'; ++s)
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*s = tolower(*s);
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/* verify we are at the end of the header name */
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if (*s != ':')
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bb_error_msg_and_die("bad header line: %s", buf);
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/* locate the start of the header value */
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*s++ = '\0';
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hdrval = skip_whitespace(s);
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/* locate the end of header */
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while (*s && *s != '\r' && *s != '\n')
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++s;
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/* end of header found */
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if (*s) {
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*s = '\0';
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return hdrval;
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}
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/* Rats! The buffer isn't big enough to hold the entire header value. */
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while (c = getc(fp), c != EOF && c != '\n')
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continue;
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/* *istrunc = 1; */
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return hdrval;
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}
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static int ftpcmd(const char *s1, const char *s2, FILE *fp, char *buf)
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{
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int result;
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if (s1) {
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if (!s2) s2 = "";
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fprintf(fp, "%s%s\r\n", s1, s2);
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fflush(fp);
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}
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do {
|
||||
char *buf_ptr;
|
||||
|
||||
if (fgets(buf, 510, fp) == NULL) {
|
||||
bb_perror_msg_and_die("error getting response");
|
||||
}
|
||||
buf_ptr = strstr(buf, "\r\n");
|
||||
if (buf_ptr) {
|
||||
*buf_ptr = '\0';
|
||||
}
|
||||
} while (!isdigit(buf[0]) || buf[3] != ' ');
|
||||
|
||||
buf[3] = '\0';
|
||||
result = xatoi_u(buf);
|
||||
buf[3] = ' ';
|
||||
return result;
|
||||
}
|
||||
|
||||
#if ENABLE_FEATURE_WGET_STATUSBAR
|
||||
/* Stuff below is from BSD rcp util.c, as added to openshh.
|
||||
* Original copyright notice is retained at the end of this file.
|
||||
*/
|
||||
static int
|
||||
getttywidth(void)
|
||||
{
|
||||
int width;
|
||||
get_terminal_width_height(0, &width, NULL);
|
||||
return width;
|
||||
}
|
||||
|
||||
static void
|
||||
updateprogressmeter(int ignore)
|
||||
{
|
||||
int save_errno = errno;
|
||||
|
||||
progressmeter(0);
|
||||
errno = save_errno;
|
||||
}
|
||||
|
||||
static void alarmtimer(int iwait)
|
||||
{
|
||||
struct itimerval itv;
|
||||
|
||||
itv.it_value.tv_sec = iwait;
|
||||
itv.it_value.tv_usec = 0;
|
||||
itv.it_interval = itv.it_value;
|
||||
setitimer(ITIMER_REAL, &itv, NULL);
|
||||
}
|
||||
|
||||
static void
|
||||
progressmeter(int flag)
|
||||
{
|
||||
off_t abbrevsize;
|
||||
unsigned since_last_update, elapsed;
|
||||
unsigned ratio;
|
||||
int barlength, i;
|
||||
|
||||
if (flag == -1) { /* first call to progressmeter */
|
||||
start_sec = monotonic_sec();
|
||||
lastupdate_sec = start_sec;
|
||||
lastsize = 0;
|
||||
totalsize = content_len + beg_range; /* as content_len changes.. */
|
||||
}
|
||||
|
||||
ratio = 100;
|
||||
if (totalsize != 0 && !chunked) {
|
||||
/* long long helps to have it working even if !LFS */
|
||||
ratio = (unsigned) (100ULL * (transferred+beg_range) / totalsize);
|
||||
if (ratio > 100) ratio = 100;
|
||||
}
|
||||
|
||||
fprintf(stderr, "\r%-20.20s%4d%% ", curfile, ratio);
|
||||
|
||||
barlength = getttywidth() - 49;
|
||||
if (barlength > 0) {
|
||||
/* god bless gcc for variable arrays :) */
|
||||
i = barlength * ratio / 100;
|
||||
{
|
||||
char buf[i+1];
|
||||
memset(buf, '*', i);
|
||||
buf[i] = '\0';
|
||||
fprintf(stderr, "|%s%*s|", buf, barlength - i, "");
|
||||
}
|
||||
}
|
||||
i = 0;
|
||||
abbrevsize = transferred + beg_range;
|
||||
while (abbrevsize >= 100000) {
|
||||
i++;
|
||||
abbrevsize >>= 10;
|
||||
}
|
||||
/* see http://en.wikipedia.org/wiki/Tera */
|
||||
fprintf(stderr, "%6d%c ", (int)abbrevsize, " kMGTPEZY"[i]);
|
||||
|
||||
// Nuts! Ain't it easier to update progress meter ONLY when we transferred++?
|
||||
// FIXME: get rid of alarmtimer + updateprogressmeter mess
|
||||
|
||||
elapsed = monotonic_sec();
|
||||
since_last_update = elapsed - lastupdate_sec;
|
||||
if (transferred > lastsize) {
|
||||
lastupdate_sec = elapsed;
|
||||
lastsize = transferred;
|
||||
if (since_last_update >= STALLTIME) {
|
||||
/* We "cut off" these seconds from elapsed time
|
||||
* by adjusting start time */
|
||||
start_sec += since_last_update;
|
||||
}
|
||||
since_last_update = 0; /* we are un-stalled now */
|
||||
}
|
||||
elapsed -= start_sec; /* now it's "elapsed since start" */
|
||||
|
||||
if (since_last_update >= STALLTIME) {
|
||||
fprintf(stderr, " - stalled -");
|
||||
} else {
|
||||
off_t to_download = totalsize - beg_range;
|
||||
if (transferred <= 0 || (int)elapsed <= 0 || transferred > to_download || chunked) {
|
||||
fprintf(stderr, "--:--:-- ETA");
|
||||
} else {
|
||||
/* to_download / (transferred/elapsed) - elapsed: */
|
||||
int eta = (int) ((unsigned long long)to_download*elapsed/transferred - elapsed);
|
||||
/* (long long helps to have working ETA even if !LFS) */
|
||||
i = eta % 3600;
|
||||
fprintf(stderr, "%02d:%02d:%02d ETA", eta / 3600, i / 60, i % 60);
|
||||
}
|
||||
}
|
||||
|
||||
if (flag == -1) { /* first call to progressmeter */
|
||||
struct sigaction sa;
|
||||
sa.sa_handler = updateprogressmeter;
|
||||
sigemptyset(&sa.sa_mask);
|
||||
sa.sa_flags = SA_RESTART;
|
||||
sigaction(SIGALRM, &sa, NULL);
|
||||
alarmtimer(1);
|
||||
} else if (flag == 1) { /* last call to progressmeter */
|
||||
alarmtimer(0);
|
||||
transferred = 0;
|
||||
putc('\n', stderr);
|
||||
}
|
||||
}
|
||||
#endif /* FEATURE_WGET_STATUSBAR */
|
||||
|
||||
/* Original copyright notice which applies to the CONFIG_FEATURE_WGET_STATUSBAR stuff,
|
||||
* much of which was blatantly stolen from openssh. */
|
||||
|
||||
/*-
|
||||
* Copyright (c) 1992, 1993
|
||||
* The Regents of the University of California. All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
*
|
||||
* 3. <BSD Advertising Clause omitted per the July 22, 1999 licensing change
|
||||
* ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change>
|
||||
*
|
||||
* 4. Neither the name of the University nor the names of its contributors
|
||||
* may be used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||||
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
|
||||
*
|
||||
*/
|
||||
|
||||
Loading…
Reference in New Issue
Block a user