refactoring sources

Change-Id: Id6d52eee86b706958972e9b345ec0d4d1e488146
Signed-off-by: José Bollo <jose.bollo@iot.bzh>

1 files changed, 167 insertions, 0 deletions

diff --git a/src/wgtpkg-pack.c b/src/wgtpkg-pack.c
new file mode 100644
index 0000000..a8aaa05
--- /dev/null
+++ b/src/wgtpkg-pack.c
@@ -0,0 +1,167 @@
+/*
+ Copyright 2015 IoT.bzh
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+     http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+#define _GNU_SOURCE
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <limits.h>
+#include <errno.h>
+#include <syslog.h>
+#include <getopt.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+
+#include "wgtpkg.h"
+
+#if !defined(MAXCERT)
+#define MAXCERT 20
+#endif
+#if !defined(DEFAULT_KEY_FILE)
+#define DEFAULT_KEY_FILE "key.pem"
+#endif
+#if !defined(DEFAULT_CERT_FILE)
+#define DEFAULT_CERT_FILE "cert.pem"
+#endif
+
+const char appname[] = "wgtpkg-pack";
+
+static void usage()
+{
+	printf(
+		"usage: %s [-f] [-o wgtfile] directory\n"
+		"\n"
+		"   -o wgtfile       the output widget file\n"
+		"   -f               force overwriting\n"
+		"   -q               quiet\n"
+		"   -v               verbose\n"
+		"\n",
+		appname
+	);
+}
+
+static struct option options[] = {
+	{ "output",      required_argument, NULL, 'o' },
+	{ "force",       no_argument,       NULL, 'f' },
+	{ "help",        no_argument,       NULL, 'h' },
+	{ "quiet",       no_argument,       NULL, 'q' },
+	{ "verbose",     no_argument,       NULL, 'v' },
+	{ NULL, 0, NULL, 0 }
+};
+
+/* install the widgets of the list */
+int main(int ac, char **av)
+{
+	int i, force;
+	char *wgtfile, *directory, *x;
+	struct stat s;
+
+	openlog(appname, LOG_PERROR, LOG_USER);
+
+	force = 0;
+	wgtfile = directory = NULL;
+	for (;;) {
+		i = getopt_long(ac, av, "qvhfo:", options, NULL);
+		if (i < 0)
+			break;
+		switch (i) {
+		case 'o':
+			wgtfile = optarg;
+			break;
+		case 'q':
+			if (verbosity)
+				verbosity--;
+			break;
+		case 'v':
+			verbosity++;
+			break;
+		case 'f':
+			force = 1;
+			break;
+		case 'h':
+			usage();
+			return 0;
+		case ':':
+			syslog(LOG_ERR, "missing argument");
+			return 1;
+		default:
+			syslog(LOG_ERR, "unrecognized option");
+			return 1;
+		}
+	}
+
+	/* remaining arguments and final checks */
+	if (optind >= ac) {
+		syslog(LOG_ERR, "no directory set");
+		return 1;
+	}
+	directory = av[optind++];
+	if (optind < ac) {
+		syslog(LOG_ERR, "extra parameters found");
+		return 1;
+	}
+
+	/* set default values */
+	if (wgtfile == NULL && 0 > asprintf(&wgtfile, "%s.wgt", directory)) {
+		syslog(LOG_ERR, "asprintf failed");
+		return 1;
+	}
+
+	/* check values */
+	if (stat(directory, &s)) {
+		syslog(LOG_ERR, "can't find directory %s", directory);
+		return 1;
+	}
+	if (!S_ISDIR(s.st_mode)) {
+		syslog(LOG_ERR, "%s isn't a directory", directory);
+		return 1;
+	}
+	if (access(wgtfile, F_OK) == 0 && force == 0) {
+		syslog(LOG_ERR, "can't overwrite existing %s", wgtfile);
+		return 1;
+	}
+
+	notice("-- PACKING widget %s from directory %s", wgtfile, directory);
+
+	/* creates an existing widget (for realpath it must exist) */
+	i = open(wgtfile, O_WRONLY|O_CREAT|O_NOCTTY|O_NONBLOCK, 0666);
+	if (i < 0) {
+		syslog(LOG_ERR, "can't write widget %s", wgtfile);
+		return 1;
+	}
+	close(i);
+
+	/* compute absolutes paths */
+	x = realpath(wgtfile, NULL);
+	if (x == NULL) {
+		syslog(LOG_ERR, "realpath failed for %s",wgtfile);
+		return 1;
+	}
+	wgtfile = x;
+
+	/* set and enter the workdir */
+	if (set_workdir(directory, 0) || enter_workdir(0))
+		return 1;
+
+
+	if (fill_files())
+		return 1;
+
+	return !!zwrite(wgtfile);
+}
+
+