added info retrieval

[src/app-framework-main.git] / src / wgtpkg-info.c

diff --git a/src/wgtpkg-info.c b/src/wgtpkg-info.c
new file mode 100644 (file)
index 0000000..1a7724b
--- /dev/null
+++ b/src/wgtpkg-info.c
@@ -0,0 +1,182 @@
+/*
+ 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 _BSD_SOURCE /* see readdir */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <dirent.h>
+#include <unistd.h>
+#include <limits.h>
+#include <errno.h>
+#include <syslog.h>
+#include <getopt.h>
+
+#include "verbose.h"
+#include "wgtpkg.h"
+#include "wgt.h"
+#include "wgt-info.h"
+
+static const char appname[] = "wgtpkg-info";
+
+static void show(const char *wgtfile);
+
+static void usage()
+{
+       printf(
+               "usage: %s [-f] [-q] [-v] wgtfile...\n"
+               "\n"
+               "   -q            quiet\n"
+               "   -v            verbose\n"
+               "\n",
+               appname
+       );
+}
+
+static struct option options[] = {
+       { "help",        no_argument,       NULL, 'h' },
+       { "quiet",       no_argument,       NULL, 'q' },
+       { "verbose",     no_argument,       NULL, 'v' },
+       { NULL, 0, NULL, 0 }
+};
+
+/* info the widgets of the list */
+int main(int ac, char **av)
+{
+       int i;
+       char *wpath;
+
+       openlog(appname, LOG_PERROR, LOG_USER);
+
+       xmlsec_init();
+
+       for (;;) {
+               i = getopt_long(ac, av, "hqv", options, NULL);
+               if (i < 0)
+                       break;
+               switch (i) {
+               case 'h':
+                       usage();
+                       return 0;
+               case 'q':
+                       if (verbosity)
+                               verbosity--;
+                       break;
+               case 'v':
+                       verbosity++;
+                       break;
+               case ':':
+                       syslog(LOG_ERR, "missing argument value");
+                       return 1;
+               default:
+                       syslog(LOG_ERR, "unrecognized option");
+                       return 1;
+               }
+       }
+
+       /* canonic names for files */
+       av += optind;
+       for (i = 0 ; av[i] != NULL ; i++) {
+               wpath = realpath(av[i], NULL);
+               if (wpath == NULL) {
+                       syslog(LOG_ERR, "error while getting realpath of %dth widget: %s", i+1, av[i]);
+                       return 1;
+               }
+               av[i] = wpath;
+       }
+
+       /* info widgets */
+       for ( ; *av ; av++)
+               show(*av);
+
+       return 0;
+}
+
+static struct wgt *wgt_at_workdir()
+{
+       int rc, wfd;
+       struct wgt *wgt;
+
+       wfd = workdirfd();
+       if (wfd < 0)
+               return NULL;
+
+       wgt = wgt_create();
+       if (!wgt) {
+               syslog(LOG_ERR, "failed to allocate wgt");
+               close(wfd);
+               return NULL;
+       }
+
+       rc = wgt_connectat(wgt, wfd, NULL);
+       if (rc) {
+               syslog(LOG_ERR, "failed to connect wgt to workdir");
+               close(wfd);
+               wgt_unref(wgt);
+               return NULL;
+       }
+
+       return wgt;
+}
+
+
+static int check_and_show()
+{
+       struct wgt *wgt;
+       struct wgt_info *ifo;
+
+       wgt = wgt_at_workdir();
+       if (!wgt)
+               return -1;
+
+       ifo = wgt_info_get(wgt, 1, 1, 1);
+       if (!ifo) {
+               wgt_unref(wgt);
+               return -1;
+       }
+       wgt_info_dump(ifo, 1, "");
+       wgt_info_unref(ifo);
+       wgt_unref(wgt);
+       return 0;
+}
+
+/* install the widget of the file */
+static void show(const char *wgtfile)
+{
+       notice("-- INFO for widget %s --", wgtfile);
+
+       /* workdir */
+       if (make_workdir_base("/tmp", "UNPACK", 0)) {
+               syslog(LOG_ERR, "failed to create a working directory");
+               return;
+       }
+
+       if (enter_workdir(0))
+               goto error2;
+
+       if (zread(wgtfile, 0))
+               goto error2;
+
+       if (check_all_signatures())
+               goto error2;
+
+       check_and_show();
+       
+error2:
+       remove_workdir();
+       return;
+}
+