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  • Committer: Teddy Hogeborn
  • Date: 2021-02-03 23:10:42 UTC
  • Revision ID: teddy@recompile.se-20210203231042-2z3egrvpo1zt7nej
mandos-ctl: Fix bad test for command.Remove and related minor issues

The test for command.Remove removes all clients from the spy server,
and then loops over all clients, looking for the corresponding Remove
command as recorded by the spy server.  But since since there aren't
any clients left after they were removed, no assertions are made, and
the test therefore does nothing.  Fix this.

In tests for command.Approve and command.Deny, add checks that clients
were not somehow removed by the command (in which case, likewise, no
assertions are made).

Add related checks to TestPropertySetterCmd.runTest; i.e. test that a
sequence is not empty before looping over it and making assertions.

* mandos-ctl (TestBaseCommands.test_Remove): Save a copy of the
  original "clients" dict, and loop over those instead.  Add assertion
  that all clients were indeed removed.  Also fix the code which looks
  for the Remove command, which now needs to actually work.
  (TestBaseCommands.test_Approve, TestBaseCommands.test_Deny): Add
  assertion that there are still clients before looping over them.
  (TestPropertySetterCmd.runTest): Add assertion that the list of
  values to get is not empty before looping over them.  Also add check
  that there are still clients before looping over clients.

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Lines of Context:
plugin-runner.c
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/*
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 * Mandos plugin runner - Run Mandos plugins
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 *
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 * Copyright © 2008-2020 Teddy Hogeborn
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 * Copyright © 2008-2020 Björn Påhlsson
 
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 * Copyright © 2008-2021 Teddy Hogeborn
 
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 * Copyright © 2008-2021 Björn Påhlsson
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 * 
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 * This file is part of Mandos.
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 * 
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 * Contact the authors at <mandos@recompile.se>.
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 */
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#define _GNU_SOURCE             /* TEMP_FAILURE_RETRY(), getline(),
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                                   O_CLOEXEC, pipe2() */
 
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#define _GNU_SOURCE             /* strchrnul(), TEMP_FAILURE_RETRY(),
 
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                                   getline(), asprintf(), O_CLOEXEC,
 
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                                   scandirat(), pipe2() */
 
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#include <argp.h>               /* argp_program_version,
 
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                                   argp_program_bug_address,
 
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                                   struct argp_option,
 
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                                   struct argp_state, argp_error(),
 
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                                   ARGP_NO_EXIT, argp_state_help,
 
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                                   ARGP_HELP_STD_HELP,
 
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                                   ARGP_HELP_USAGE, ARGP_HELP_EXIT_OK,
 
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                                   ARGP_KEY_ARG, ARGP_ERR_UNKNOWN,
 
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                                   struct argp, argp_parse(),
 
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                                   ARGP_IN_ORDER, ARGP_NO_HELP */
 
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#include <stdbool.h>            /* bool, false, true */
 
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#include <sys/types.h>          /* pid_t, sig_atomic_t, uid_t, gid_t,
 
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                                   getuid(), setgid(), setuid() */
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#include <stddef.h>             /* size_t, NULL */
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#include <stdlib.h>             /* malloc(), reallocarray(), realloc(),
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                                   EXIT_SUCCESS, exit() */
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#include <stdbool.h>            /* bool, true, false */
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#include <stdio.h>              /* fileno(), fprintf(),
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                                   stderr, STDOUT_FILENO, fclose() */
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#include <sys/types.h>          /* fstat(), struct stat, waitpid(),
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                                   WIFEXITED(), WEXITSTATUS(), wait(),
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                                   pid_t, uid_t, gid_t, getuid(),
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                                   getgid() */
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#include <sys/select.h>         /* fd_set, select(), FD_ZERO(),
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                                   FD_SET(), FD_ISSET(), FD_CLR */
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#include <sys/wait.h>           /* wait(), waitpid(), WIFEXITED(),
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                                   WEXITSTATUS(), WTERMSIG() */
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#include <sys/stat.h>           /* struct stat, fstat(), S_ISREG() */
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#include <iso646.h>             /* and, or, not */
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#include <dirent.h>             /* struct dirent, scandirat() */
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#include <unistd.h>             /* fcntl(), F_GETFD, F_SETFD,
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                                   FD_CLOEXEC, write(), STDOUT_FILENO,
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                                   struct stat, fstat(), close(),
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                                   setgid(), setuid(), S_ISREG(),
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                                   faccessat() pipe2(), fork(),
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                                   _exit(), dup2(), fexecve(), read()
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                                */
 
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#include <iso646.h>             /* or, and, not */
 
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#include <string.h>             /* strcmp(), strdup(), strchrnul(),
 
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                                   strncmp(), strlen(), strcpy(),
 
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                                   strsep(), strchr(), strsignal() */
 
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#include <stdlib.h>             /* malloc(), free(), reallocarray(),
 
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                                   realloc(), EXIT_SUCCESS */
 
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#include <errno.h>              /* errno, EINTR, ENOMEM, ECHILD,
 
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                                   error_t, EINVAL, EMFILE, ENFILE,
 
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                                   ENOENT, ESRCH */
 
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#include <stdint.h>             /* SIZE_MAX */
 
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#define _GNU_SOURCE             /* strchrnul(), TEMP_FAILURE_RETRY(),
 
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                                   getline(), asprintf(), O_CLOEXEC,
 
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                                   scandirat(), pipe2() */
 
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#include <unistd.h>             /* TEMP_FAILURE_RETRY(), ssize_t,
 
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                                   write(), STDOUT_FILENO, uid_t,
 
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                                   gid_t, getuid(), fchown(), close(),
 
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                                   symlink(), setgid(), setuid(),
 
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                                   faccessat(), X_OK, pipe(), pipe2(),
 
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                                   fork(), _exit(), dup2(), fexecve(),
 
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                                   read(), getpass() */
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#include <fcntl.h>              /* fcntl(), F_GETFD, F_SETFD,
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                                   FD_CLOEXEC, openat(), scandirat(),
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                                   pipe2() */
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#include <string.h>             /* strsep, strlen(), strsignal(),
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                                   strcmp(), strncmp() */
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#include <errno.h>              /* errno */
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#include <argp.h>               /* struct argp_option, struct
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                                   argp_state, struct argp,
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                                   argp_parse(), ARGP_ERR_UNKNOWN,
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                                   ARGP_KEY_END, ARGP_KEY_ARG,
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                                   error_t */
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#include <signal.h>             /* struct sigaction, sigemptyset(),
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                                   sigaddset(), sigaction(),
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                                   sigprocmask(), SIG_BLOCK, SIGCHLD,
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                                   SIG_UNBLOCK, kill(), sig_atomic_t
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                                */
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#include <errno.h>              /* errno, EBADF */
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#include <inttypes.h>           /* intmax_t, PRIdMAX, strtoimax() */
 
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                                   FD_CLOEXEC, open(), O_RDONLY,
 
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                                   O_CLOEXEC, openat() */
 
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#include <sys/wait.h>           /* waitpid(), WNOHANG, WIFEXITED(),
 
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                                   WEXITSTATUS(), WIFSIGNALED(),
 
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                                   WTERMSIG(), wait() */
 
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#include <error.h>              /* error() */
 
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#include <stdio.h>              /* FILE, fprintf(), fopen(),
 
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                                   getline(), fclose(), EOF,
 
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                                   asprintf(), stderr */
 
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#include <dirent.h>             /* struct dirent, scandirat(),
 
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                                   alphasort() */
 
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#include <sys/stat.h>           /* struct stat, fstat(), S_ISDIR(),
 
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                                   lstat(), S_ISREG() */
 
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#include <sys/select.h>         /* fd_set, FD_ZERO(), FD_SETSIZE,
 
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                                   FD_SET(), select(), FD_CLR(),
 
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                                   FD_ISSET() */
 
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#include <signal.h>             /* struct sigaction, SA_NOCLDSTOP,
 
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                                   sigemptyset(), sigaddset(),
 
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                                   SIGCHLD, sigprocmask(), SIG_BLOCK,
 
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                                   SIG_UNBLOCK, kill(), SIGTERM */
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#include <sysexits.h>           /* EX_OSERR, EX_USAGE, EX_IOERR,
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                                   EX_CONFIG, EX_UNAVAILABLE, EX_OK */
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#include <errno.h>              /* errno */
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#include <error.h>              /* error() */
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#include <fnmatch.h>            /* fnmatch() */
 
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#include <inttypes.h>           /* intmax_t, strtoimax(), PRIdMAX */
 
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#include <fnmatch.h>            /* fnmatch(), FNM_FILE_NAME,
 
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                                   FNM_PERIOD, FNM_NOMATCH */
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#define BUFFER_SIZE 256
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      }
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      close(plugindir_fd);
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    }
 
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    /* Work around Debian bug #981302
 
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       <https://bugs.debian.org/981302> */
 
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    if(lstat("/dev/fd", &st) != 0 and errno == ENOENT){
 
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      ret = symlink("/proc/self/fd", "/dev/fd");
 
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      if(ret == -1){
 
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        error(0, errno, "Failed to create /dev/fd symlink");
 
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      }
 
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    }
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  }
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  /* Lower permissions */