141 lines
3.5 KiB
C
141 lines
3.5 KiB
C
/*-
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* Copyright (c) 2012-2013 Juan Romero Pardines.
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* 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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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <stdio.h>
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#include <stdbool.h>
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include "xbps_api_impl.h"
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int
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xbps_pkg_exec_buffer(struct xbps_handle *xhp,
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const void *blob,
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const size_t blobsiz,
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const char *pkgver,
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const char *action,
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bool update)
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{
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ssize_t ret;
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const char *tmpdir, *version;
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char *pkgname, *fpath;
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int fd, rv;
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assert(blob);
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assert(pkgver);
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assert(action);
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if (xhp->target_arch) {
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xbps_dbg_printf(xhp, "%s: not executing %s "
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"install/remove action.\n", pkgver, action);
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return 0;
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}
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if (strcmp(xhp->rootdir, "/") == 0) {
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tmpdir = getenv("TMPDIR");
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if (tmpdir == NULL)
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tmpdir = P_tmpdir;
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fpath = xbps_xasprintf("%s/.xbps-script-XXXXXX", tmpdir);
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} else {
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fpath = strdup(".xbps-script-XXXXXX");
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}
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/* change cwd to rootdir to exec the script */
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if (chdir(xhp->rootdir) == -1) {
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rv = errno;
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goto out;
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}
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/* Create temp file to run script */
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if ((fd = mkstemp(fpath)) == -1) {
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xbps_dbg_printf(xhp, "%s: mkstemp %s\n",
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__func__, strerror(errno));
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free(fpath);
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return errno;
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}
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/* write blob to our temp fd */
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ret = write(fd, blob, blobsiz);
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if (ret == -1) {
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xbps_dbg_printf(xhp, "%s: write %s\n",
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__func__, strerror(errno));
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close(fd);
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rv = errno;
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goto out;
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}
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fchmod(fd, 0750);
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fdatasync(fd);
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close(fd);
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/* exec script */
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pkgname = xbps_pkg_name(pkgver);
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assert(pkgname);
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version = xbps_pkg_version(pkgver);
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assert(version);
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rv = xbps_file_exec(xhp, fpath, action, pkgname, version,
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update ? "yes" : "no",
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xhp->conffile, NULL);
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free(pkgname);
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out:
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remove(fpath);
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free(fpath);
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return rv;
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}
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int
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xbps_pkg_exec_script(struct xbps_handle *xhp,
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prop_dictionary_t d,
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const char *script,
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const char *action,
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bool update)
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{
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prop_data_t data;
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void *buf;
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size_t buflen;
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const char *pkgver;
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int rv;
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assert(xhp);
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assert(d);
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assert(script);
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assert(action);
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data = prop_dictionary_get(d, script);
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if (data == NULL)
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return 0;
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prop_dictionary_get_cstring_nocopy(d, "pkgver", &pkgver);
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buf = prop_data_data(data);
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buflen = prop_data_size(data);
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rv = xbps_pkg_exec_buffer(xhp, buf, buflen, pkgver, action, update);
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free(buf);
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return rv;
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}
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