work in progress

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

diff --git a/src/wgtpkg-install.c b/src/wgtpkg-install.c
index 7a88ebf..dc746c2 100644 (file)
--- a/src/wgtpkg-install.c
+++ b/src/wgtpkg-install.c
@@ -14,71 +14,159 @@
  limitations under the License.
 */
 
-#define _BSD_SOURCE /* see readdir */
+#define _GNU_SOURCE
 
-#include <stdlib.h>
-#include <stdio.h>
-#include <dirent.h>
-#include <unistd.h>
-#include <limits.h>
 #include <errno.h>
 #include <syslog.h>
+#include <string.h>
+#include <ctype.h>
 
+#include "verbose.h"
 #include "wgtpkg.h"
+#include "wgt.h"
+#include "wgt-info.h"
+#include "secmgr-wrap.h"
 
-/* install the widget of the file */
-static void install(const char *wgtfile)
+static int check_defined(const void *data, const char *name)
 {
-       notice("-- INSTALLING widget %s", wgtfile);
+       if (data)
+               return 0;
+       syslog(LOG_ERR, "widget has no defined '%s' (temporary constraints)", name);
+       errno = EINVAL;
+       return -1;
+}
 
-       if (enter_workdir(1))
-               goto error;
+static int check_valid_string(const char *value, const char *name)
+{
+       int pos;
+       char c;
+
+       if (check_defined(value, name))
+               return -1;
+       pos = 0;
+       c = value[pos];
+       while(c) {
+               if (!isalnum(c) && !strchr(".-_", c)) {
+                       syslog(LOG_ERR, "forbidden char %c in '%s' -> '%s' (temporary constraints)", c, name, value);
+                       errno = EINVAL;
+                       return -1;                      
+               }
+               c = value[++pos];
+       }
+       return 0;
+}
 
-       if (zread(wgtfile, 0))
-               goto error;
+static int check_temporary_constraints(const struct wgt_desc *desc)
+{
+       int result = check_valid_string(desc->id, "id");
+       result |= check_valid_string(desc->version, "version");
+       result |= check_defined(desc->icons, "icon");
+       result |= check_defined(desc->content_src, "content");
+       if (result)
+               return result;
+       if (desc->icons->next) {
+               syslog(LOG_ERR, "widget has more than one icon defined (temporary constraints)");
+               errno = EINVAL;
+               result = -1;
+       }
+       return 0;
+}
 
-       if (check_all_signatures())
-               goto error;
+static int check_permissions(const char *name, int required)
+{
+       if (permission_exists(name)) {
+               if (request_permission(name)) {
+                       debug("granted permission: %s", name);
+               } else if (required) {
+                       syslog(LOG_ERR, "ungranted permission required: %s", name);
+                       errno = EPERM;
+                       return 0;
+               } else {
+                       notice("ungranted permission optional: %s", name);
+               }
+       }
+       return 1;
+}
 
-       return;
+static int check_widget(const struct wgt_desc *desc)
+{
+       int result;
+       const struct wgt_desc_feature *feature;
+
+       result = check_temporary_constraints(desc);
+       feature = desc->features;
+       while(feature) {
+               if (!check_permissions(feature->name, feature->required))
+                       result = -1;
+               feature = feature->next;
+       }
+       return result;
+}
 
-error:
-       return;
-       exit(1);
+static int move_widget(const char *root, const struct wgt_desc *desc, int force)
+{
+       char newdir[PATH_MAX];
+       int rc;
+
+       rc = snprintf(newdir, sizeof newdir, "%s/%s/%s", root, desc->id, desc->version);
+       if (rc >= sizeof newdir) {
+               syslog(LOG_ERR, "path to long: %s/%s/%s", root, desc->id, desc->version);
+               errno = EINVAL;
+               return -1;
+       }
+
+       return move_workdir(newdir, 1, force);
 }
 
-/* install the widgets of the list */
-int main(int ac, char **av)
+static int install_security(struct wgt_info *ifo)
 {
-       int i, kwd;
+       int rc;
 
-       openlog("wgtpkg-install", LOG_PERROR, LOG_AUTH);
+       rc = secmgr_init(wgt_info_desc(ifo)->
+}
 
-       xmlsec_init();
+/* install the widget of the file */
+void install_widget(const char *wgtfile, const char *root, int force)
+{
+       struct wgt_info *ifo;
+       const struct wgt_desc *desc;
 
-       ac = verbose_scan_args(ac, av);
-       
-       /* canonic names for files */
-       for (i = 1 ; av[i] != NULL ; i++)
-               if ((av[i] = realpath(av[i], NULL)) == NULL) {
-                       syslog(LOG_ERR, "error while getting realpath of %dth argument", i);
-                       return 1;
-               }
+       notice("-- INSTALLING widget %s --", wgtfile);
 
        /* workdir */
-       kwd = 1;
-       if (make_workdir(kwd)) {
+       if (make_workdir_base(root, "UNPACK", 0)) {
                syslog(LOG_ERR, "failed to create a working directory");
-               return 1;
+               goto error1;
        }
-       if (!kwd)
-               atexit(remove_workdir);
 
-       /* install widgets */
-       for (av++ ; *av ; av++)
-               install(*av);
+       if (zread(wgtfile, 0))
+               goto error2;
 
-       exit(0);
-       return 0;
+       if (check_all_signatures())
+               goto error2;
+
+       ifo = wgt_info_createat(workdirfd, NULL, 1, 1, 1);
+       if (!ifo)
+               goto error2;
+
+       desc = wgt_info_desc(ifo);
+       if (check_widget(desc))
+               goto error3;
+
+       if (move_widget(root, desc, force))
+               goto error3;
+
+       
+       
+       return;
+
+error3:
+       wgt_info_unref(ifo);
+
+error2:
+       remove_workdir();
+
+error1:
+       return;
 }