#include "connect.h"
#include "hash.h"
#include "convert.h"
-
-#ifdef HAVE_SSL
-# include "gen_sslfunc.h" /* for ssl_iread */
-#endif
+#include "ptimer.h"
#ifndef errno
extern int errno;
is the timer that started at the beginning of download. */
static void
-limit_bandwidth (wgint bytes, struct wget_timer *timer)
+limit_bandwidth (wgint bytes, struct ptimer *timer)
{
- double delta_t = wtimer_read (timer) - limit_data.chunk_start;
+ double delta_t = ptimer_read (timer) - limit_data.chunk_start;
double expected;
limit_data.chunk_bytes += bytes;
slp, number_to_static_string (limit_data.chunk_bytes),
limit_data.sleep_adjust));
- t0 = wtimer_read (timer);
+ t0 = ptimer_read (timer);
xsleep (slp / 1000);
- wtimer_update (timer);
- t1 = wtimer_read (timer);
+ t1 = ptimer_measure (timer);
/* Due to scheduling, we probably slept slightly longer (or
shorter) than desired. Calculate the difference between the
}
limit_data.chunk_bytes = 0;
- limit_data.chunk_start = wtimer_read (timer);
+ limit_data.chunk_start = ptimer_read (timer);
}
#ifndef MIN
static char dlbuf[16384];
int dlbufsize = sizeof (dlbuf);
- struct wget_timer *timer = NULL;
+ struct ptimer *timer = NULL;
double last_successful_read_tm = 0;
/* The progress gauge, set according to the user preferences. */
the timer. */
if (progress || opt.limit_rate || elapsed)
{
- timer = wtimer_new ();
+ timer = ptimer_new ();
last_successful_read_tm = 0;
}
if (opt.read_timeout)
{
double waittm;
- waittm = (wtimer_read (timer) - last_successful_read_tm) / 1000;
+ waittm = (ptimer_read (timer) - last_successful_read_tm) / 1000;
if (waittm + tmout > opt.read_timeout)
{
/* Don't let total idle time exceed read timeout. */
}
ret = fd_read (fd, dlbuf, rdsize, tmout);
- /* when retrieving from http-proxy wget sometimes does not trust the
- * file length reported by server.
- * this check is to tell wget not to stubbornly try to read again and
- * again until another errno code was received. */
- if ( ret == -1 && errno == ETIMEDOUT && sum_read == toread && toread > 0 )
- break;
-
- if (ret == 0 || (ret < 0 && errno != ETIMEDOUT))
- break; /* read error */
- else if (ret < 0)
- ret = 0; /* read timeout */
+ if (progress_interactive && ret < 0 && errno == ETIMEDOUT)
+ ret = 0; /* interactive timeout, handled above */
+ else if (ret <= 0)
+ break; /* EOF or read error */
if (progress || opt.limit_rate)
{
- wtimer_update (timer);
+ ptimer_measure (timer);
if (ret > 0)
- last_successful_read_tm = wtimer_read (timer);
+ last_successful_read_tm = ptimer_read (timer);
}
if (ret > 0)
if (!write_data (out, dlbuf, ret, &skip, &sum_written))
{
ret = -2;
- goto out;
+ goto out_;
}
}
limit_bandwidth (ret, timer);
if (progress)
- progress_update (progress, ret, wtimer_read (timer));
+ progress_update (progress, ret, ptimer_read (timer));
#ifdef WINDOWS
if (toread > 0 && !opt.quiet)
ws_percenttitle (100.0 *
if (ret < -1)
ret = -1;
- out:
+ out_:
if (progress)
- progress_finish (progress, wtimer_read (timer));
+ progress_finish (progress, ptimer_read (timer));
if (elapsed)
- *elapsed = wtimer_read (timer);
+ *elapsed = ptimer_read (timer);
if (timer)
- wtimer_delete (timer);
+ ptimer_destroy (timer);
if (qtyread)
*qtyread += sum_read;
a read. If the read returns a different amount of data, the
process is retried until all data arrives safely.
- BUFSIZE is the size of the initial buffer expected to read all the
- data in the typical case.
+ SIZEHINT is the buffer size sufficient to hold all the data in the
+ typical case (it is used as the initial buffer size). MAXSIZE is
+ the maximum amount of memory this function is allowed to allocate,
+ or 0 if no upper limit is to be enforced.
This function should be used as a building block for other
functions -- see fd_read_line as a simple example. */
char *
-fd_read_hunk (int fd, hunk_terminator_t hunk_terminator, int bufsize)
+fd_read_hunk (int fd, hunk_terminator_t terminator, long sizehint, long maxsize)
{
+ long bufsize = sizehint;
char *hunk = xmalloc (bufsize);
int tail = 0; /* tail position in HUNK */
+ assert (maxsize >= bufsize);
+
while (1)
{
const char *end;
/* First, peek at the available data. */
- pklen = fd_peek (fd, hunk + tail, bufsize - 1 - tail, -1);
+ pklen = fd_peek (fd, hunk + tail, bufsize - 1 - tail, -1.0);
if (pklen < 0)
{
xfree (hunk);
return NULL;
}
- end = hunk_terminator (hunk, tail, pklen);
+ end = terminator (hunk, tail, pklen);
if (end)
{
/* The data contains the terminator: we'll drain the data up
how much data we'll get. (Some TCP stacks are notorious for
read returning less data than the previous MSG_PEEK.) */
- rdlen = fd_read (fd, hunk + tail, remain, 0);
+ rdlen = fd_read (fd, hunk + tail, remain, 0.0);
if (rdlen < 0)
{
xfree_null (hunk);
if (tail == bufsize - 1)
{
+ /* Double the buffer size, but refuse to allocate more than
+ MAXSIZE bytes. */
+ if (maxsize && bufsize >= maxsize)
+ {
+ xfree (hunk);
+ errno = ENOMEM;
+ return NULL;
+ }
bufsize <<= 1;
+ if (maxsize && bufsize > maxsize)
+ bufsize = maxsize;
hunk = xrealloc (hunk, bufsize);
}
}
return NULL;
}
+/* The maximum size of the single line we agree to accept. This is
+ not meant to impose an arbitrary limit, but to protect the user
+ from Wget slurping up available memory upon encountering malicious
+ or buggy server output. Define it to 0 to remove the limit. */
+#define FD_READ_LINE_MAX 4096
+
/* Read one line from FD and return it. The line is allocated using
- malloc.
+ malloc, but is never larger than FD_READ_LINE_MAX.
If an error occurs, or if no data can be read, NULL is returned.
In the former case errno indicates the error condition, and in the
char *
fd_read_line (int fd)
{
- return fd_read_hunk (fd, line_terminator, 128);
+ return fd_read_hunk (fd, line_terminator, 128, FD_READ_LINE_MAX);
}
\f
/* Return a printed representation of the download rate, as
if (msecs == 0)
/* If elapsed time is exactly zero, it means we're under the
- granularity of the timer. This often happens on systems that
- use time() for the timer. */
- msecs = wtimer_granularity ();
+ resolution of the timer. This can easily happen on systems
+ that use time() for the timer. Since the interval lies between
+ 0 and the timer's resolution, assume half the resolution. */
+ msecs = ptimer_resolution () / 2.0;
- dlrate = (double)1000 * bytes / msecs;
+ dlrate = 1000.0 * bytes / msecs;
if (dlrate < 1024.0)
*units = 0;
else if (dlrate < 1024.0 * 1024.0)
newloc_parsed = url_parse (mynewloc, &up_error_code);
if (!newloc_parsed)
{
- logprintf (LOG_NOTQUIET, "%s: %s.\n", mynewloc,
+ logprintf (LOG_NOTQUIET, "%s: %s.\n", escnonprint_uri (mynewloc),
url_error (up_error_code));
url_free (u);
xfree (url);
if (filename && opt.delete_after && file_exists_p (filename))
{
- DEBUGP (("Removing file due to --delete-after in"
- " retrieve_from_file():\n"));
+ DEBUGP (("\
+Removing file due to --delete-after in retrieve_from_file():\n"));
logprintf (LOG_VERBOSE, _("Removing %s.\n"), filename);
if (unlink (filename))
logprintf (LOG_NOTQUIET, "unlink: %s\n", strerror (errno));
/* If opt.waitretry is specified and this is a retry, wait for
COUNT-1 number of seconds, or for opt.waitretry seconds. */
if (count <= opt.waitretry)
- xsleep (count - 1);
+ xsleep (count - 1.0);
else
xsleep (opt.waitretry);
}
}
/* Should a host be accessed through proxy, concerning no_proxy? */
-int
+static int
no_proxy_match (const char *host, const char **no_proxy)
{
if (!no_proxy)
projects / wget / blobdiff