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-rw-r--r--lib/libalpm/dload.c93
1 files changed, 58 insertions, 35 deletions
diff --git a/lib/libalpm/dload.c b/lib/libalpm/dload.c
index a91bb1ac..f8ee6f85 100644
--- a/lib/libalpm/dload.c
+++ b/lib/libalpm/dload.c
@@ -18,6 +18,7 @@
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
+#include <stdbool.h>
#include <stdlib.h>
#include <stdio.h>
#include <errno.h>
@@ -49,6 +50,10 @@
#include "handle.h"
#ifdef HAVE_LIBCURL
+
+static int curl_add_payload(alpm_handle_t *handle, CURLM *curlm,
+ struct dload_payload *payload, const char *localpath);
+
static const char *get_filename(const char *url)
{
char *filename = strrchr(url, '/');
@@ -476,6 +481,25 @@ static int curl_check_finished_download(CURLM *curlm, CURLMsg *msg,
curl_easy_getinfo(curl, CURLINFO_CONDITION_UNMET, &timecond);
curl_easy_getinfo(curl, CURLINFO_EFFECTIVE_URL, &effective_url);
+ /* Let's check if client requested downloading accompanion *.sig file */
+ if(!payload->signature && payload->download_signature && curlerr == CURLE_OK && payload->respcode < 400) {
+ struct dload_payload *sig = NULL;
+
+ int len = strlen(effective_url) + 5;
+ CALLOC(sig, 1, sizeof(*sig), GOTO_ERR(handle, ALPM_ERR_MEMORY, cleanup));
+ MALLOC(sig->fileurl, len, FREE(sig); GOTO_ERR(handle, ALPM_ERR_MEMORY, cleanup));
+ snprintf(sig->fileurl, len, "%s.sig", effective_url);
+ sig->signature = 1;
+ sig->handle = handle;
+ sig->force = payload->force;
+ sig->unlink_on_fail = payload->unlink_on_fail;
+ sig->errors_ok = payload->signature_optional;
+ /* set hard upper limit of 16KiB */
+ sig->max_size = 16 * 1024;
+
+ curl_add_payload(handle, curlm, sig, 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(timecond == 1 && DOUBLE_EQ(bytes_dl, 0)) {
@@ -565,6 +589,13 @@ cleanup:
if(ret == -1 && payload->errors_ok) {
ret = -2;
}
+
+ if(payload->signature) {
+ /* free signature payload memory that was allocated earlier in dload.c */
+ _alpm_dload_payload_reset(payload);
+ FREE(payload);
+ }
+
return ret;
}
@@ -666,17 +697,16 @@ static int curl_download_internal(alpm_handle_t *handle,
alpm_list_t *payloads /* struct dload_payload */,
const char *localpath)
{
- int still_running = 0;
+ int active_downloads_num = 0;
+ bool recheck_downloads = false;
int err = 0;
- int parallel_downloads = handle->parallel_downloads;
-
+ int max_streams = handle->parallel_downloads;
CURLM *curlm = handle->curlm;
- CURLMsg *msg;
- while(still_running || payloads) {
- int msgs_left = -1;
+ while(active_downloads_num > 0 || payloads || recheck_downloads) {
+ CURLMcode mc;
- for(; still_running < parallel_downloads && payloads; still_running++) {
+ for(; active_downloads_num < max_streams && payloads; active_downloads_num++) {
struct dload_payload *payload = payloads->data;
if(curl_add_payload(handle, curlm, payload, localpath) == 0) {
@@ -687,15 +717,19 @@ static int curl_download_internal(alpm_handle_t *handle,
payloads = payloads->next;
} else {
- // the payload failed to start, do not start any new downloads just wait until
- // active one complete.
+ /* The payload failed to start. Do not start any new downloads.
+ * Wait until all active downloads complete.
+ */
_alpm_log(handle, ALPM_LOG_ERROR, _("failed to setup a download payload for %s\n"), payload->remote_name);
payloads = NULL;
err = -1;
}
}
- CURLMcode mc = curl_multi_perform(curlm, &still_running);
+ mc = curl_multi_perform(curlm, &active_downloads_num);
+ if(mc == CURLM_OK) {
+ mc = curl_multi_wait(curlm, NULL, 0, 1000, NULL);
+ }
if(mc != CURLM_OK) {
_alpm_log(handle, ALPM_LOG_ERROR, _("curl returned error %d from transfer\n"), mc);
@@ -703,7 +737,13 @@ static int curl_download_internal(alpm_handle_t *handle,
err = -1;
}
- while((msg = curl_multi_info_read(curlm, &msgs_left))) {
+ recheck_downloads = false;
+ while(true) {
+ int msgs_left = 0;
+ CURLMsg *msg = curl_multi_info_read(curlm, &msgs_left);
+ if(!msg) {
+ break;
+ }
if(msg->msg == CURLMSG_DONE) {
int ret = curl_check_finished_download(curlm, msg, localpath);
if(ret == -1) {
@@ -712,19 +752,16 @@ static int curl_download_internal(alpm_handle_t *handle,
*/
payloads = NULL;
err = -1;
- } else if(ret == 2) {
- /* in case of a retry increase the counter of active requests
- * to avoid exiting the loop early
- */
- still_running++;
}
+ /* curl_multi_check_finished_download() might add more payloads e.g. in case of a retry
+ * from the next mirror. We need to execute curl_multi_perform() at least one more time
+ * to make sure new payload requests are processed.
+ */
+ recheck_downloads = true;
} else {
_alpm_log(handle, ALPM_LOG_ERROR, _("curl transfer error: %d\n"), msg->msg);
}
}
- if(still_running) {
- curl_multi_wait(curlm, NULL, 0, 1000, NULL);
- }
}
_alpm_log(handle, ALPM_LOG_DEBUG, "curl_download_internal return code is %d\n", err);
@@ -803,13 +840,11 @@ int SYMEXPORT alpm_fetch_pkgurl(alpm_handle_t *handle, const alpm_list_t *urls,
{
const char *cachedir;
alpm_list_t *payloads = NULL;
- int download_sigs;
const alpm_list_t *i;
alpm_event_t event;
CHECK_HANDLE(handle, return -1);
ASSERT(*fetched == NULL, RET_ERR(handle, ALPM_ERR_WRONG_ARGS, -1));
- download_sigs = handle->siglevel & ALPM_SIG_PACKAGE;
/* find a valid cache dir to download to */
cachedir = _alpm_filecache_setup(handle);
@@ -831,21 +866,9 @@ int SYMEXPORT alpm_fetch_pkgurl(alpm_handle_t *handle, const alpm_list_t *urls,
payload->allow_resume = 1;
payload->handle = handle;
payload->trust_remote_name = 1;
+ payload->download_signature = (handle->siglevel & ALPM_SIG_PACKAGE);
+ payload->signature_optional = (handle->siglevel & ALPM_SIG_PACKAGE_OPTIONAL);
payloads = alpm_list_add(payloads, payload);
-
- if(download_sigs) {
- int len = strlen(url) + 5;
- CALLOC(payload, 1, sizeof(*payload), GOTO_ERR(handle, ALPM_ERR_MEMORY, err));
- payload->signature = 1;
- MALLOC(payload->fileurl, len, FREE(payload); GOTO_ERR(handle, ALPM_ERR_MEMORY, err));
- snprintf(payload->fileurl, len, "%s.sig", url);
- payload->handle = handle;
- payload->trust_remote_name = 1;
- payload->errors_ok = (handle->siglevel & ALPM_SIG_PACKAGE_OPTIONAL);
- /* set hard upper limit of 16KiB */
- payload->max_size = 16 * 1024;
- payloads = alpm_list_add(payloads, payload);
- }
}
}
generated by cgit v1.2.3-24-g4f1b (git 2.32.0) at 2024-05-23 23:38:41 +0200