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-rw-r--r--lib/libalpm/server.c469
1 files changed, 0 insertions, 469 deletions
diff --git a/lib/libalpm/server.c b/lib/libalpm/server.c
deleted file mode 100644
index 4bccf3ca..00000000
--- a/lib/libalpm/server.c
+++ /dev/null
@@ -1,469 +0,0 @@
-/*
- * server.c
- *
- * Copyright (c) 2006 by Miklos Vajna <vmiklos@frugalware.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include "config.h"
-
-#include <stdlib.h>
-#include <errno.h>
-#include <time.h>
-#include <string.h>
-#include <limits.h>
-#include <stdio.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <unistd.h>
-#include <download.h>
-
-/* libalpm */
-#include "server.h"
-#include "alpm_list.h"
-#include "error.h"
-#include "log.h"
-#include "alpm.h"
-#include "util.h"
-#include "handle.h"
-#include "package.h"
-
-pmserver_t *_alpm_server_new(const char *url)
-{
- struct url *u;
- pmserver_t *server;
-
- ALPM_LOG_FUNC;
-
- CALLOC(server, 1, sizeof(pmserver_t), RET_ERR(PM_ERR_MEMORY, NULL));
-
- u = downloadParseURL(url);
- if(!u) {
- _alpm_log(PM_LOG_ERROR, _("url '%s' is invalid, ignoring\n"), url);
- RET_ERR(PM_ERR_SERVER_BAD_URL, NULL);
- }
- if(strlen(u->scheme) == 0) {
- _alpm_log(PM_LOG_WARNING, _("url scheme not specified, assuming http\n"));
- strcpy(u->scheme, "http");
- }
-
- if(strcmp(u->scheme,"ftp") == 0 && strlen(u->user) == 0) {
- strcpy(u->user, "anonymous");
- strcpy(u->pwd, "libalpm@guest");
- }
-
- /* remove trailing slashes, just to clean up the rest of the code */
- for(int i = strlen(u->doc) - 1; u->doc[i] == '/'; --i)
- u->doc[i] = '\0';
-
- server->s_url = u;
-
- return server;
-}
-
-void _alpm_server_free(pmserver_t *server)
-{
- ALPM_LOG_FUNC;
-
- if(server == NULL) {
- return;
- }
-
- /* free memory */
- downloadFreeURL(server->s_url);
- FREE(server);
-}
-
-/* remove filename info from "s_url->doc" and return it */
-static char *strip_filename(pmserver_t *server)
-{
- char *p = NULL, *fname = NULL;
- if(!server) {
- return(NULL);
- }
-
- p = strrchr(server->s_url->doc, '/');
- if(p && *(++p)) {
- fname = strdup(p);
- _alpm_log(PM_LOG_DEBUG, "stripping '%s' from '%s'\n",
- fname, server->s_url->doc);
- *p = 0;
- }
-
- /* s_url->doc now contains ONLY path information. return value
- * if the file information from the original URL */
- return(fname);
-}
-
-/* Return a 'struct url' for this server, for downloading 'filename'. */
-static struct url *url_for_file(pmserver_t *server, const char *filename)
-{
- struct url *ret = NULL;
- char *doc = NULL;
- int doclen = 0;
-
- doclen = strlen(server->s_url->doc) + strlen(filename) + 2;
- CALLOC(doc, doclen, sizeof(char), RET_ERR(PM_ERR_MEMORY, NULL));
-
- snprintf(doc, doclen, "%s/%s", server->s_url->doc, filename);
- ret = downloadMakeURL(server->s_url->scheme,
- server->s_url->host,
- server->s_url->port,
- doc,
- server->s_url->user,
- server->s_url->pwd);
- FREE(doc);
- return(ret);
-}
-
-/*
- * Download a list of files from a list of servers
- * - if one server fails, we try the next one in the list
- * - if *dl_total is non-NULL, then it will be used as the starting
- * download amount when TotalDownload is set. It will also be
- * set to the final download amount for the calling function to use.
- * - totalsize is the total download size for use when TotalDownload
- * is set. Use 0 if the total download size is not known.
- *
- * RETURN: 0 for successful download, 1 on error
- */
-int _alpm_downloadfiles(alpm_list_t *servers, const char *localpath,
- alpm_list_t *files, int *dl_total, unsigned long totalsize)
-{
- return(_alpm_downloadfiles_forreal(servers, localpath, files, 0, NULL,
- dl_total, totalsize));
-}
-
-/*
- * This is the real downloadfiles, used directly by sync_synctree() to check
- * modtimes on remote files.
- * - if mtime1 is non-NULL, then only download files if they are different
- * than mtime1.
- * - if *mtime2 is non-NULL, it will be filled with the mtime of the remote
- * file.
- * - if *dl_total is non-NULL, then it will be used as the starting
- * download amount when TotalDownload is set. It will also be
- * set to the final download amount for the calling function to use.
- * - totalsize is the total download size for use when TotalDownload
- * is set. Use 0 if the total download size is not known.
- *
- * RETURN: 0 for successful download
- * 1 if the mtimes are identical
- * -1 on error
- */
-int _alpm_downloadfiles_forreal(alpm_list_t *servers, const char *localpath,
- alpm_list_t *files, time_t mtime1, time_t *mtime2, int *dl_total,
- unsigned long totalsize)
-{
- int dl_thisfile = 0;
- alpm_list_t *lp;
- int done = 0;
- alpm_list_t *complete = NULL;
- alpm_list_t *i;
-
- ALPM_LOG_FUNC;
-
- if(files == NULL) {
- return(0);
- }
-
- for(i = servers; i && !done; i = i->next) {
- pmserver_t *server = i->data;
-
- /* get each file in the list */
- for(lp = files; lp; lp = lp->next) {
- struct url *fileurl = NULL;
- char realfile[PATH_MAX];
- char output[PATH_MAX];
- char *fn = (char *)lp->data;
- char pkgname[PKG_NAME_LEN];
-
- fileurl = url_for_file(server, fn);
- if(!fileurl) {
- return(-1);
- }
-
- /* pass the raw filename for passing to the callback function */
- strncpy(pkgname, fn, PKG_NAME_LEN);
- _alpm_log(PM_LOG_DEBUG, "using '%s' for download progress\n", pkgname);
-
- snprintf(realfile, PATH_MAX, "%s%s", localpath, fn);
- snprintf(output, PATH_MAX, "%s%s.part", localpath, fn);
-
- if(alpm_list_find_str(complete, fn)) {
- continue;
- }
-
- if(!handle->xfercommand || !strcmp(fileurl->scheme, "file")) {
- FILE *dlf, *localf = NULL;
- struct url_stat ust;
- struct stat st;
- int chk_resume = 0;
-
- if(stat(output, &st) == 0 && st.st_size > 0) {
- _alpm_log(PM_LOG_DEBUG, "existing file found, using it\n");
- fileurl->offset = (off_t)st.st_size;
- dl_thisfile = st.st_size;
- if (dl_total != NULL) {
- *dl_total += st.st_size;
- }
- localf = fopen(output, "a");
- chk_resume = 1;
- } else {
- fileurl->offset = (off_t)0;
- dl_thisfile = 0;
- }
-
- /* libdownload does not reset the error code, reset it in
- * the case of previous errors */
- downloadLastErrCode = 0;
-
- /* 10s timeout - TODO make a config option */
- downloadTimeout = 10000;
-
- dlf = downloadXGet(fileurl, &ust, (handle->nopassiveftp ? "" : "p"));
-
- if(downloadLastErrCode != 0 || dlf == NULL) {
- const char *host = _("disk");
- if(strcmp(SCHEME_FILE, fileurl->scheme) != 0) {
- host = fileurl->host;
- }
- _alpm_log(PM_LOG_ERROR, _("failed retrieving file '%s' from %s : %s\n"),
- fn, host, downloadLastErrString);
- if(localf != NULL) {
- fclose(localf);
- }
- /* try the next server */
- downloadFreeURL(fileurl);
- continue;
- } else {
- _alpm_log(PM_LOG_DEBUG, "connected to %s successfully\n", fileurl->host);
- }
-
- if(ust.mtime && mtime1 && ust.mtime == mtime1) {
- _alpm_log(PM_LOG_DEBUG, "mtimes are identical, skipping %s\n", fn);
- complete = alpm_list_add(complete, fn);
- if(localf != NULL) {
- fclose(localf);
- }
- if(dlf != NULL) {
- fclose(dlf);
- }
- downloadFreeURL(fileurl);
- return(1);
- }
-
- if(ust.mtime && mtime2) {
- *mtime2 = ust.mtime;
- }
-
- if(chk_resume && fileurl->offset == 0) {
- _alpm_log(PM_LOG_WARNING, _("cannot resume download, starting over\n"));
- if(localf != NULL) {
- fclose(localf);
- localf = NULL;
- }
- }
-
- if(localf == NULL) {
- _alpm_rmrf(output);
- fileurl->offset = (off_t)0;
- dl_thisfile = 0;
- localf = fopen(output, "w");
- if(localf == NULL) { /* still null? */
- _alpm_log(PM_LOG_ERROR, _("cannot write to file '%s'\n"), output);
- if(dlf != NULL) {
- fclose(dlf);
- }
- downloadFreeURL(fileurl);
- return(-1);
- }
- }
-
- /* Progress 0 - initialize */
- if(handle->dlcb) {
- handle->dlcb(pkgname, 0, ust.size, dl_total ? *dl_total : 0,
- totalsize);
- }
-
- int nread = 0;
- char buffer[PM_DLBUF_LEN];
- while((nread = fread(buffer, 1, PM_DLBUF_LEN, dlf)) > 0) {
- if(ferror(dlf)) {
- _alpm_log(PM_LOG_ERROR, _("error downloading '%s': %s\n"),
- fn, downloadLastErrString);
- fclose(localf);
- fclose(dlf);
- downloadFreeURL(fileurl);
- return(-1);
- }
-
- int nwritten = 0;
- while(nwritten < nread) {
- nwritten += fwrite(buffer, 1, (nread - nwritten), localf);
- if(ferror(localf)) {
- _alpm_log(PM_LOG_ERROR, _("error writing to file '%s': %s\n"),
- realfile, strerror(errno));
- fclose(localf);
- fclose(dlf);
- downloadFreeURL(fileurl);
- return(-1);
- }
- }
-
- if(nwritten != nread) {
-
- }
- dl_thisfile += nread;
- if (dl_total != NULL) {
- *dl_total += nread;
- }
-
- if(handle->dlcb) {
- handle->dlcb(pkgname, dl_thisfile, ust.size,
- dl_total ? *dl_total : 0, totalsize);
- }
- }
-
- downloadFreeURL(fileurl);
- fclose(localf);
- fclose(dlf);
- rename(output, realfile);
- complete = alpm_list_add(complete, fn);
- } else {
- int ret;
- int usepart = 0;
- char *ptr1, *ptr2;
- char origCmd[PATH_MAX];
- char parsedCmd[PATH_MAX] = "";
- char url[PATH_MAX];
- char cwd[PATH_MAX];
-
- /* build the full download url */
- snprintf(url, PATH_MAX, "%s://%s%s", fileurl->scheme,
- fileurl->host, fileurl->doc);
- /* we don't need this anymore */
- downloadFreeURL(fileurl);
-
- /* replace all occurrences of %o with fn.part */
- strncpy(origCmd, handle->xfercommand, sizeof(origCmd));
- ptr1 = origCmd;
- while((ptr2 = strstr(ptr1, "%o"))) {
- usepart = 1;
- ptr2[0] = '\0';
- strcat(parsedCmd, ptr1);
- strcat(parsedCmd, output);
- ptr1 = ptr2 + 2;
- }
- strcat(parsedCmd, ptr1);
- /* replace all occurrences of %u with the download URL */
- strncpy(origCmd, parsedCmd, sizeof(origCmd));
- parsedCmd[0] = '\0';
- ptr1 = origCmd;
- while((ptr2 = strstr(ptr1, "%u"))) {
- ptr2[0] = '\0';
- strcat(parsedCmd, ptr1);
- strcat(parsedCmd, url);
- ptr1 = ptr2 + 2;
- }
- strcat(parsedCmd, ptr1);
- /* cwd to the download directory */
- getcwd(cwd, PATH_MAX);
- if(chdir(localpath)) {
- _alpm_log(PM_LOG_WARNING, _("could not chdir to %s\n"), localpath);
- return(PM_ERR_CONNECT_FAILED);
- }
- /* execute the parsed command via /bin/sh -c */
- _alpm_log(PM_LOG_DEBUG, "running command: %s\n", parsedCmd);
- ret = system(parsedCmd);
- if(ret == -1) {
- _alpm_log(PM_LOG_WARNING, _("running XferCommand: fork failed!\n"));
- return(PM_ERR_FORK_FAILED);
- } else if(ret != 0) {
- /* download failed */
- _alpm_log(PM_LOG_DEBUG, "XferCommand command returned non-zero status code (%d)\n", ret);
- } else {
- /* download was successful */
- complete = alpm_list_add(complete, fn);
- if(usepart) {
- rename(output, realfile);
- }
- }
- chdir(cwd);
- }
- }
-
- if(alpm_list_count(complete) == alpm_list_count(files)) {
- done = 1;
- }
- }
- alpm_list_free(complete);
-
- return(done ? 0 : -1);
-}
-
-/** Fetch a remote pkg.
- * @param url URL of the package to download
- * @return the downloaded filepath on success, NULL on error
- * @addtogroup alpm_misc
- */
-char SYMEXPORT *alpm_fetch_pkgurl(const char *url)
-{
- pmserver_t *server;
- char *filename, *filepath;
- const char *cachedir;
-
- ALPM_LOG_FUNC;
-
- if(strstr(url, "://") == NULL) {
- _alpm_log(PM_LOG_DEBUG, "Invalid URL passed to alpm_fetch_pkgurl\n");
- return(NULL);
- }
-
- server = _alpm_server_new(url);
- if(!server) {
- return(NULL);
- }
-
- /* strip path information from the filename */
- filename = strip_filename(server);
- if(!filename) {
- _alpm_log(PM_LOG_ERROR, _("URL does not contain a file for download\n"));
- return(NULL);
- }
-
- /* find a valid cache dir to download to */
- cachedir = _alpm_filecache_setup();
-
- /* TODO this seems like needless complexity just to download one file */
- alpm_list_t *servers = alpm_list_add(NULL, server);
- alpm_list_t *files = alpm_list_add(NULL, filename);
-
- /* download the file */
- if(_alpm_downloadfiles(servers, cachedir, files, NULL, 0)) {
- _alpm_log(PM_LOG_WARNING, _("failed to download %s\n"), url);
- return(NULL);
- }
- _alpm_log(PM_LOG_DEBUG, "successfully downloaded %s\n", filename);
- alpm_list_free(files);
- alpm_list_free(servers);
- _alpm_server_free(server);
-
- /* we should be able to find the file the second time around */
- filepath = _alpm_filecache_find(filename);
- return(filepath);
-}
-
-/* vim: set ts=2 sw=2 noet: */

Copyright © 2002-2022 Judd Vinet and Aaron Griffin. Copyright © 2022 Erich Eckner.
The Arch Linux name and logo are recognized trademarks. Some rights reserved. The registered trademark Linux® is used pursuant to a sublicense from LMI, the exclusive licensee of Linus Torvalds, owner of the mark on a world-wide basis.