Adding context and user switching

[platform/core/system/tizen-platform-wrapper.git] / src / tzplatform_get.c

diff --git a/src/tzplatform_get.c b/src/tzplatform_get.c
index a698b11..f254f54 100644 (file)
--- a/src/tzplatform_get.c
+++ b/src/tzplatform_get.c
@@ -25,6 +25,8 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <sys/types.h>
+#include <pwd.h>
 
 #include <tzplatform_config.h>
 
@@ -45,15 +47,17 @@ options:\n\
 -s --space      separate with spaces instead of new-lines\n\
 -q --query      silently check that given variables are existing\n\
 -c --continue   continue to process if error\n\
+-u --user  id   set the user using its 'id' (name or numeric)\n\
 \n\
 ";
 
 int main(int argc, char **argv)
 {
-       char *progname = *argv++;
+       char *progname = *argv++, *user = 0;
        int all = 0, not = 0, query = 0, export = 0, space = 0, list = 0, cont = 0;
        int i, n, *sel, p;
        enum tzplatform_variable id;
+       struct passwd *spw;
 
        /* parse args */
        while(*argv && **argv=='-') {
@@ -71,6 +75,7 @@ int main(int argc, char **argv)
                                        case 'l': x = "list"; break;
                                        case 'c': x = "continue"; break;
                                        case 'h': x = "help"; break;
+                                       case 'u': x = "user"; break;
                                }
                                if (!x || strcmp(x,opt))
                                        c = 0;
@@ -89,6 +94,7 @@ int main(int argc, char **argv)
                        case 's': space = 1; break;
                        case 'l': list = 1; break;
                        case 'c': cont = 1; break;
+                       case 'u': user = *argv; if (user) argv++; break;
                        case 'h':
                                fprintf( stdout, help, basename(progname));
                                return 0;
@@ -168,6 +174,27 @@ int main(int argc, char **argv)
        if (query) 
                return 0;
 
+       /* set the user */
+       if (user) {
+               for (i=0 ; '0' <= user[i] && user[i] <= '9' ; i++);
+               if (user[i])
+                       spw = getpwnam(user);
+               else
+                       spw = getpwuid((uid_t)atoi(user));
+               if (!spw) {
+                       fprintf( stderr, "error! %s isn't standing for a valid user.\n", user);
+                       if (!cont)
+                               return 1;
+               } else {
+                       i = tzplatform_set_user(spw->pw_uid);
+                       if (i) {
+                               fprintf( stderr, "error! can't set the valid user %s.\n", user);
+                               if (!cont)
+                                       return 1;
+                       }
+               }
+       }
+
        /* emits the result */
        for (p = i = 0 ; i < n ; i++) {
                if (sel[i] != not) {