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-rw-r--r--lib/libalpm/dload.c40
1 files changed, 21 insertions, 19 deletions
diff --git a/lib/libalpm/dload.c b/lib/libalpm/dload.c
index f7568282..45fabaae 100644
--- a/lib/libalpm/dload.c
+++ b/lib/libalpm/dload.c
@@ -156,16 +156,18 @@ static int utimes_long(const char *path, long time)
static int curl_download_internal(const char *url, const char *localpath,
- int force)
+ int force, int allow_resume)
{
int ret = -1;
FILE *localf = NULL;
const char *useragent;
const char *open_mode = "wb";
char *destfile, *tempfile;
- char hostname[256]; /* RFC1123 states applications should support this length */
+ /* RFC1123 states applications should support this length */
+ char hostname[256];
+ char error_buffer[CURL_ERROR_SIZE];
struct stat st;
- long httpresp, timecond, remote_time;
+ long timecond, remote_time;
double remote_size, bytes_dl;
struct sigaction sig_pipe[2], sig_int[2];
struct fileinfo dlfile;
@@ -188,6 +190,7 @@ static int curl_download_internal(const char *url, const char *localpath,
curl_easy_reset(handle->curl);
curl_easy_setopt(handle->curl, CURLOPT_URL, url);
curl_easy_setopt(handle->curl, CURLOPT_FAILONERROR, 1L);
+ curl_easy_setopt(handle->curl, CURLOPT_ERRORBUFFER, error_buffer);
curl_easy_setopt(handle->curl, CURLOPT_CONNECTTIMEOUT, 10L);
curl_easy_setopt(handle->curl, CURLOPT_FILETIME, 1L);
curl_easy_setopt(handle->curl, CURLOPT_NOPROGRESS, 0L);
@@ -206,9 +209,8 @@ static int curl_download_internal(const char *url, const char *localpath,
* our local is out of date. */
curl_easy_setopt(handle->curl, CURLOPT_TIMECONDITION, CURL_TIMECOND_IFMODSINCE);
curl_easy_setopt(handle->curl, CURLOPT_TIMEVALUE, (long)st.st_mtime);
- } else if(stat(tempfile, &st) == 0 && st.st_size > 0) {
- /* assume its a partial package download. we do not support resuming of
- * transfers on partially downloaded sync DBs. */
+ } else if(stat(tempfile, &st) == 0 && allow_resume) {
+ /* a previous partial download exists, resume from end of file. */
open_mode = "ab";
curl_easy_setopt(handle->curl, CURLOPT_RESUME_FROM, (long)st.st_size);
_alpm_log(PM_LOG_DEBUG, "tempfile found, attempting continuation");
@@ -243,8 +245,18 @@ static int curl_download_internal(const char *url, const char *localpath,
/* perform transfer */
handle->curlerr = curl_easy_perform(handle->curl);
+ /* was it a success? */
+ if(handle->curlerr == CURLE_ABORTED_BY_CALLBACK) {
+ goto cleanup;
+ } else if(handle->curlerr != CURLE_OK) {
+ pm_errno = PM_ERR_LIBCURL;
+ _alpm_log(PM_LOG_ERROR, _("failed retrieving file '%s' from %s : %s\n"),
+ dlfile.filename, hostname, error_buffer);
+ unlink(tempfile);
+ goto cleanup;
+ }
+
/* retrieve info about the state of the transfer */
- curl_easy_getinfo(handle->curl, CURLINFO_RESPONSE_CODE, &httpresp);
curl_easy_getinfo(handle->curl, CURLINFO_FILETIME, &remote_time);
curl_easy_getinfo(handle->curl, CURLINFO_CONTENT_LENGTH_DOWNLOAD, &remote_size);
curl_easy_getinfo(handle->curl, CURLINFO_SIZE_DOWNLOAD, &bytes_dl);
@@ -252,22 +264,12 @@ static int curl_download_internal(const char *url, const char *localpath,
/* time condition was met and we didn't download anything. we need to
* clean up the 0 byte .part file that's left behind. */
- if(DOUBLE_EQ(bytes_dl, 0) && timecond == 1) {
+ if(timecond == 1 && DOUBLE_EQ(bytes_dl, 0)) {
ret = 1;
unlink(tempfile);
goto cleanup;
}
- if(handle->curlerr == CURLE_ABORTED_BY_CALLBACK) {
- goto cleanup;
- } else if(handle->curlerr != CURLE_OK) {
- pm_errno = PM_ERR_LIBCURL;
- _alpm_log(PM_LOG_ERROR, _("failed retrieving file '%s' from %s : %s\n"),
- dlfile.filename, hostname, curl_easy_strerror(handle->curlerr));
- unlink(tempfile);
- goto cleanup;
- }
-
/* remote_size isn't necessarily the full size of the file, just what the
* server reported as remaining to download. compare it to what curl reported
* as actually being transferred during curl_easy_perform() */
@@ -313,7 +315,7 @@ static int download(const char *url, const char *localpath,
{
if(handle->fetchcb == NULL) {
#ifdef HAVE_LIBCURL
- return curl_download_internal(url, localpath, force);
+ return curl_download_internal(url, localpath, force, 1);
#else
RET_ERR(PM_ERR_EXTERNAL_DOWNLOAD, -1);
#endif