New pkg metadata structure for 0.18. See the NEWS file for info.

lib/package_script.c

@@ -0,0 +1,121 @@
+/*-
+ * Copyright (c) 2012 Juan Romero Pardines.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <stdio.h>
+#include <stdbool.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+
+#include "xbps_api_impl.h"
+
+int
+xbps_pkg_exec_buffer(struct xbps_handle *xhp,
+		     const void *blob,
+		     const size_t blobsiz,
+		     const char *pkgname,
+		     const char *version,
+		     const char *action,
+		     bool update)
+{
+	ssize_t ret;
+	const char *tmpdir;
+	char *fpath;
+	int fd, rv;
+
+	assert(blob);
+	assert(pkgname);
+	assert(version);
+	assert(action);
+
+	tmpdir = getenv("TMPDIR");
+	if (tmpdir == NULL)
+		tmpdir = P_tmpdir;
+
+	fpath = xbps_xasprintf("%s/.xbps-script-XXXXXX", tmpdir);
+
+	/* Create temp file to run script */
+	if ((fd = mkstemp(fpath)) == -1) {
+		xbps_dbg_printf(xhp, "%s: mkstemp %s\n",
+		    __func__, strerror(errno));
+		free(fpath);
+		return errno;
+	}
+	/* write blob to our temp fd */
+	ret = write(fd, blob, blobsiz);
+	if (ret == -1) {
+		xbps_dbg_printf(xhp, "%s: write %s\n",
+		    __func__, strerror(errno));
+		close(fd);
+		rv = errno;
+		goto out;
+	}
+	fchmod(fd, 0750);
+	fdatasync(fd);
+	close(fd);
+
+	/* change cwd to rootdir to exec the script */
+	if (chdir(xhp->rootdir) == -1) {
+		rv = errno;
+		goto out;
+	}
+
+	/* exec script */
+	rv = xbps_file_exec(xhp, fpath, action, pkgname, version,
+			    update ? "yes" : "no",
+			    xhp->conffile, NULL);
+
+out:
+	remove(fpath);
+	free(fpath);
+	return rv;
+}
+
+int
+xbps_pkg_exec_script(struct xbps_handle *xhp,
+		     prop_dictionary_t d,
+		     const char *script,
+		     const char *action,
+		     bool update)
+{
+	prop_data_t data;
+	const char *pkgname, *version;
+
+	assert(xhp);
+	assert(d);
+	assert(script);
+	assert(action);
+
+	data = prop_dictionary_get(d, script);
+	if (data == NULL)
+		return 0;
+
+	prop_dictionary_get_cstring_nocopy(d, "pkgname", &pkgname);
+	prop_dictionary_get_cstring_nocopy(d, "version", &version);
+
+	return xbps_pkg_exec_buffer(xhp, prop_data_data(data),
+			prop_data_size(data), pkgname, version,
+			action, update);
+}