Line data    Source code

       1             : // Copyright (c) 2018-2024  Made to Order Software Corp.  All Rights Reserved
       2             : //
       3             : // https://snapwebsites.org/project/snapdev
       4             : // contact@m2osw.com
       5             : //
       6             : // This program is free software: you can redistribute it and/or modify
       7             : // it under the terms of the GNU General Public License as published by
       8             : // the Free Software Foundation, either version 3 of the License, or
       9             : // (at your option) any later version.
      10             : //
      11             : // This program is distributed in the hope that it will be useful,
      12             : // but WITHOUT ANY WARRANTY; without even the implied warranty of
      13             : // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      14             : // GNU General Public License for more details.
      15             : //
      16             : // You should have received a copy of the GNU General Public License
      17             : // along with this program.  If not, see <https://www.gnu.org/licenses/>.
      18             : 
      19             : /** \file
      20             :  * \brief Verify that the chownnm() function works.
      21             :  *
      22             :  * This file implements tests for the chownnm() function.
      23             :  */
      24             : 
      25             : // self
      26             : //
      27             : #include    <snapdev/chownnm.h>
      28             : 
      29             : #include    <snapdev/file_contents.h>
      30             : #include    <snapdev/user_groups.h>
      31             : 
      32             : #include    "catch_main.h"
      33             : 
      34             : 
      35             : // C++ lib
      36             : //
      37             : #include    <set>
      38             : 
      39             : 
      40             : // last include
      41             : //
      42             : #include    <snapdev/poison.h>
      43             : 
      44             : 
      45             : 
      46             : 
      47           2 : CATCH_TEST_CASE("chownnm", "[os]")
      48             : {
      49           2 :     CATCH_START_SECTION("chownnm: change group")
      50             :     {
      51           1 :         struct group const * grp(getgrnam("snapwebsites"));
      52           1 :         if(grp == nullptr)
      53             :         {
      54           0 :             std::cerr << "warning: skipping change group test because \"snapwebsites\" group doesn't exist.\n";
      55             :         }
      56             :         else
      57             :         {
      58           1 :             char const * user(getenv("USER"));
      59           1 :             bool permitted(true);
      60           1 :             CATCH_REQUIRE(user != nullptr);
      61           1 :             if(strcmp(user, "root") != 0)
      62             :             {
      63           3 :                 std::set<std::string> our_groups(snapdev::user_group_names<std::set<std::string>>(user));
      64           1 :                 if(our_groups.find("snapwebsites") == our_groups.end())
      65             :                 {
      66           0 :                     permitted = false;
      67           0 :                     std::cerr << "error: we expect the tester to be the \"root\" user or part of the \"snapwebsites\" group to run this test section.\n";
      68             :                 }
      69           1 :             }
      70             : 
      71           1 :             if(permitted)
      72             :             {
      73           1 :                 std::string const filename(SNAP_CATCH2_NAMESPACE::g_tmp_dir() + "/group-test.txt");
      74           1 :                 snapdev::file_contents system_groups(filename);
      75           1 :                 system_groups.contents("test file--testing changing group\n");
      76           1 :                 system_groups.write_all();
      77             : 
      78           1 :                 struct stat st;
      79           1 :                 CATCH_REQUIRE(stat(filename.c_str(), &st) == 0);
      80           1 :                 if(st.st_gid == grp->gr_gid)
      81             :                 {
      82           0 :                     std::cerr << "warning: your default group is \"snapwebsites\" so the test is not going to change anything\n";
      83             :                 }
      84             : 
      85           1 :                 CATCH_REQUIRE(snapdev::chownnm(filename, std::string(), "snapwebsites") == 0);
      86           1 :                 struct stat verify;
      87           1 :                 CATCH_REQUIRE(stat(filename.c_str(), &verify) == 0);
      88           1 :                 CATCH_REQUIRE(verify.st_gid == grp->gr_gid);
      89             : 
      90             :                 // restore former group
      91             :                 //
      92           1 :                 struct group * org_group(getgrgid(st.st_gid));
      93           1 :                 CATCH_REQUIRE(org_group != nullptr);
      94           1 :                 CATCH_REQUIRE(snapdev::chownnm(filename, std::string(), org_group->gr_name) == 0);
      95           1 :                 CATCH_REQUIRE(stat(filename.c_str(), &verify) == 0);
      96           1 :                 CATCH_REQUIRE(verify.st_gid == org_group->gr_gid);
      97           1 :             }
      98             :         }
      99             :     }
     100           2 :     CATCH_END_SECTION()
     101             : 
     102           2 :     CATCH_START_SECTION("chownnm: change owner")
     103             :     {
     104             :         // TODO: this is contradictory since we can't run this test as root...
     105             :         //
     106           1 :         char const * user(getenv("USER"));
     107           1 :         CATCH_REQUIRE(user != nullptr);
     108           1 :         struct passwd const * pwd(getpwnam("snapwebsites"));
     109           1 :         if(pwd == nullptr
     110           1 :         || strcmp(user, "root") != 0)
     111             :         {
     112           1 :             std::cerr << "warning: skipping change owner test because your are not root and/or the \"snapwebsites\" user doesn't exist.\n";
     113             :         }
     114             :         else
     115             :         {
     116           0 :             std::string const filename(SNAP_CATCH2_NAMESPACE::g_tmp_dir() + "/owner-test.txt");
     117           0 :             snapdev::file_contents system_groups(filename);
     118           0 :             system_groups.contents("test file--testing changing owner\n");
     119           0 :             system_groups.write_all();
     120             : 
     121           0 :             struct stat st;
     122           0 :             CATCH_REQUIRE(stat(filename.c_str(), &st) == 0);
     123           0 :             if(st.st_uid == pwd->pw_uid)
     124             :             {
     125             :                 // this should not happen since we tested above that we are
     126             :                 // root to properly run this test (otherwise we bail out)
     127             :                 //
     128           0 :                 std::cerr << "warning: your default owner is \"snapwebsites\" so the test is not going to change anything\n";
     129             :             }
     130             : 
     131           0 :             CATCH_REQUIRE(snapdev::chownnm(filename, "snapwebsites", std::string()) == 0);
     132           0 :             struct stat verify;
     133           0 :             CATCH_REQUIRE(stat(filename.c_str(), &verify) == 0);
     134           0 :             CATCH_REQUIRE(verify.st_uid == pwd->pw_uid);
     135             : 
     136             :             // restore former group
     137             :             //
     138           0 :             struct passwd * org_owner(getpwuid(st.st_uid));
     139           0 :             CATCH_REQUIRE(org_owner != nullptr);
     140           0 :             CATCH_REQUIRE(snapdev::chownnm(filename, std::string(), org_owner->pw_name) == 0);
     141           0 :             CATCH_REQUIRE(stat(filename.c_str(), &verify) == 0);
     142           0 :             CATCH_REQUIRE(verify.st_uid == org_owner->pw_uid);
     143           0 :         }
     144             :     }
     145           2 :     CATCH_END_SECTION()
     146           2 : }
     147             : 
     148             : 
     149             : 
     150             : // vim: ts=4 sw=4 et