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* Mandos password agent - Simple password agent to run Mandos client
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* Copyright © 2019-2021 Teddy Hogeborn
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* Copyright © 2019-2021 Björn Påhlsson
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* Copyright © 2019-2020 Teddy Hogeborn
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* Copyright © 2019-2020 Björn Påhlsson
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* This file is part of Mandos.
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* Contact the authors at <mandos@recompile.se>.
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#define _GNU_SOURCE /* pipe2(), O_CLOEXEC, setresgid(),
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setresuid(), asprintf(), getline(),
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#include <inttypes.h> /* uintmax_t, strtoumax(), PRIuMAX,
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PRIdMAX, intmax_t, uint32_t,
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SCNx32, SCNuMAX, SCNxMAX */
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#include <stddef.h> /* size_t, NULL */
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#include <inttypes.h> /* uintmax_t, PRIuMAX, PRIdMAX,
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intmax_t, uint32_t, SCNx32,
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#include <stddef.h> /* size_t */
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#include <sys/types.h> /* pid_t, uid_t, gid_t, getuid(),
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#include <stdbool.h> /* bool, true, false */
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NSIG, sigismember(), SA_ONSTACK,
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SIG_DFL, SIG_IGN, SIGINT, SIGQUIT,
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SIGHUP, SIGSTOP, SIG_UNBLOCK */
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#include <unistd.h> /* uid_t, gid_t, close(), pipe2(),
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fork(), _exit(), dup2(),
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STDOUT_FILENO, setresgid(),
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setresuid(), execv(), ssize_t,
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read(), dup3(), getuid(), dup(),
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STDERR_FILENO, pause(), write(),
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rmdir(), unlink(), getpid() */
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#include <stdlib.h> /* EXIT_SUCCESS, EXIT_FAILURE,
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malloc(), free(), realloc(),
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setenv(), calloc(), mkdtemp(),
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malloc(), free(), strtoumax(),
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realloc(), setenv(), calloc(),
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mkdtemp(), mkostemp() */
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#include <iso646.h> /* not, or, and, xor */
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#include <error.h> /* error() */
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#include <sysexits.h> /* EX_USAGE, EX_OSERR, EX_OSFILE */
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#include <string.h> /* strdup(), memcpy(),
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explicit_bzero(), memset(),
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strcmp(), strlen(), strncpy(),
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memcmp(), basename(), strerror() */
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memcmp(), basename() */
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#include <argz.h> /* argz_create(), argz_count(),
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argz_extract(), argz_next(),
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ARGP_ERR_UNKNOWN, ARGP_KEY_ARGS,
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struct argp, argp_parse(),
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#include <stdint.h> /* SIZE_MAX, uint32_t */
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#include <stdint.h> /* SIZE_MAX */
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#include <unistd.h> /* uid_t, gid_t, close(), pipe2(),
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fork(), _exit(), dup2(),
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STDOUT_FILENO, setresgid(),
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setresuid(), execv(), ssize_t,
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read(), dup3(), getuid(), dup(),
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STDERR_FILENO, pause(), write(),
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rmdir(), unlink(), getpid() */
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#include <sys/mman.h> /* munlock(), mlock() */
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#include <fcntl.h> /* O_CLOEXEC, O_NONBLOCK, fcntl(),
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F_GETFD, F_GETFL, FD_CLOEXEC,
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g_assert_null(), g_assert_false(),
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g_assert_cmpint(), g_assert_cmpuint(),
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g_test_skip(), g_assert_cmpstr(),
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g_test_message(), g_test_init(), g_test_add(),
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g_test_run(), GOptionContext,
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g_option_context_new(),
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g_test_init(), g_test_add(), g_test_run(),
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GOptionContext, g_option_context_new(),
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g_option_context_set_help_enabled(), FALSE,
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g_option_context_set_ignore_unknown_options(),
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gboolean, GOptionEntry, G_OPTION_ARG_NONE,
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g_test_skip("Skipping EMSGSIZE test: Will not try 1GiB");
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message_buffer = realloc(message_buffer, message_size);
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free(message_buffer);
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message_buffer = malloc(message_size);
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if(message_buffer == NULL){
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g_test_skip("Skipping EMSGSIZE test");
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g_test_message("Failed to malloc() %" PRIuMAX " bytes",
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if(saved_errno != EMSGSIZE) {
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g_test_skip("Skipping EMSGSIZE test");
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g_test_message("Error on send(%" PRIuMAX " bytes): %s",
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(uintmax_t)message_size,
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strerror(saved_errno));
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g_test_message("Error on send(): %s", strerror(saved_errno));