cryptsetup: various coding style improvements
No functional changes.
This commit is contained in:
parent
a93c4776de
commit
5f4bfe56f3
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@ -102,18 +102,17 @@ static int create_disk(
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if (!f)
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if (!f)
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return log_error_errno(errno, "Failed to create unit file %s: %m", p);
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return log_error_errno(errno, "Failed to create unit file %s: %m", p);
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fputs(
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fputs("# Automatically generated by systemd-cryptsetup-generator\n\n"
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"# Automatically generated by systemd-cryptsetup-generator\n\n"
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"[Unit]\n"
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"[Unit]\n"
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"Description=Cryptography Setup for %I\n"
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"Description=Cryptography Setup for %I\n"
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"Documentation=man:crypttab(5) man:systemd-cryptsetup-generator(8) man:systemd-cryptsetup@.service(8)\n"
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"Documentation=man:crypttab(5) man:systemd-cryptsetup-generator(8) man:systemd-cryptsetup@.service(8)\n"
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"SourcePath=/etc/crypttab\n"
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"SourcePath=/etc/crypttab\n"
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"DefaultDependencies=no\n"
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"DefaultDependencies=no\n"
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"Conflicts=umount.target\n"
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"Conflicts=umount.target\n"
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"BindsTo=dev-mapper-%i.device\n"
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"BindsTo=dev-mapper-%i.device\n"
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"IgnoreOnIsolate=true\n"
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"IgnoreOnIsolate=true\n"
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"After=cryptsetup-pre.target\n",
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"After=cryptsetup-pre.target\n",
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f);
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f);
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if (!nofail)
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if (!nofail)
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fprintf(f,
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fprintf(f,
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@ -357,7 +356,6 @@ static int parse_proc_cmdline_item(const char *key, const char *value, void *dat
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uuid_value = NULL;
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uuid_value = NULL;
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} else
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} else
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log_warning("Failed to parse luks name switch %s. Ignoring.", value);
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log_warning("Failed to parse luks name switch %s. Ignoring.", value);
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}
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}
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return 0;
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return 0;
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@ -466,7 +464,7 @@ static int add_proc_cmdline_devices(void) {
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}
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}
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int main(int argc, char *argv[]) {
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int main(int argc, char *argv[]) {
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int r = EXIT_FAILURE;
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int r;
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if (argc > 1 && argc != 4) {
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if (argc > 1 && argc != 4) {
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log_error("This program takes three or no arguments.");
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log_error("This program takes three or no arguments.");
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@ -483,32 +481,36 @@ int main(int argc, char *argv[]) {
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umask(0022);
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umask(0022);
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arg_disks = hashmap_new(&string_hash_ops);
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arg_disks = hashmap_new(&string_hash_ops);
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if (!arg_disks)
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if (!arg_disks) {
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goto cleanup;
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r = log_oom();
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goto finish;
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}
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r = proc_cmdline_parse(parse_proc_cmdline_item, NULL, PROC_CMDLINE_STRIP_RD_PREFIX);
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r = proc_cmdline_parse(parse_proc_cmdline_item, NULL, PROC_CMDLINE_STRIP_RD_PREFIX);
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if (r < 0) {
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if (r < 0) {
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log_warning_errno(r, "Failed to parse kernel command line, ignoring: %m");
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log_warning_errno(r, "Failed to parse kernel command line: %m");
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r = EXIT_FAILURE;
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goto finish;
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}
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}
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if (!arg_enabled) {
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if (!arg_enabled) {
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r = EXIT_SUCCESS;
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r = 0;
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goto cleanup;
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goto finish;
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}
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}
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if (add_crypttab_devices() < 0)
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r = add_crypttab_devices();
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goto cleanup;
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if (r < 0)
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goto finish;
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if (add_proc_cmdline_devices() < 0)
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r = add_proc_cmdline_devices();
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goto cleanup;
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if (r < 0)
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goto finish;
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r = EXIT_SUCCESS;
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r = 0;
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cleanup:
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finish:
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free_arg_disks();
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free_arg_disks();
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free(arg_default_options);
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free(arg_default_options);
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free(arg_default_keyfile);
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free(arg_default_keyfile);
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return r;
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return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
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}
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}
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@ -593,17 +593,18 @@ static int help(void) {
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}
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}
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int main(int argc, char *argv[]) {
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int main(int argc, char *argv[]) {
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int r = EXIT_FAILURE;
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struct crypt_device *cd = NULL;
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struct crypt_device *cd = NULL;
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int r;
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if (argc <= 1) {
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if (argc <= 1) {
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help();
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r = help();
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return EXIT_SUCCESS;
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goto finish;
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}
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}
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if (argc < 3) {
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if (argc < 3) {
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log_error("This program requires at least two arguments.");
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log_error("This program requires at least two arguments.");
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return EXIT_FAILURE;
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r = -EINVAL;
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goto finish;
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}
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}
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log_set_target(LOG_TARGET_AUTO);
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log_set_target(LOG_TARGET_AUTO);
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@ -614,7 +615,6 @@ int main(int argc, char *argv[]) {
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if (streq(argv[1], "attach")) {
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if (streq(argv[1], "attach")) {
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uint32_t flags = 0;
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uint32_t flags = 0;
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int k;
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unsigned tries;
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unsigned tries;
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usec_t until;
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usec_t until;
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crypt_status_info status;
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crypt_status_info status;
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@ -648,11 +648,11 @@ int main(int argc, char *argv[]) {
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if (arg_header) {
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if (arg_header) {
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log_debug("LUKS header: %s", arg_header);
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log_debug("LUKS header: %s", arg_header);
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k = crypt_init(&cd, arg_header);
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r = crypt_init(&cd, arg_header);
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} else
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} else
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k = crypt_init(&cd, argv[3]);
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r = crypt_init(&cd, argv[3]);
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if (k != 0) {
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if (r < 0) {
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log_error_errno(k, "crypt_init() failed: %m");
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log_error_errno(r, "crypt_init() failed: %m");
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goto finish;
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goto finish;
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}
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}
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@ -661,7 +661,7 @@ int main(int argc, char *argv[]) {
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status = crypt_status(cd, argv[2]);
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status = crypt_status(cd, argv[2]);
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if (status == CRYPT_ACTIVE || status == CRYPT_BUSY) {
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if (status == CRYPT_ACTIVE || status == CRYPT_BUSY) {
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log_info("Volume %s already active.", argv[2]);
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log_info("Volume %s already active.", argv[2]);
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r = EXIT_SUCCESS;
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r = 0;
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goto finish;
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goto finish;
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}
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}
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@ -691,29 +691,30 @@ int main(int argc, char *argv[]) {
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_cleanup_strv_free_erase_ char **passwords = NULL;
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_cleanup_strv_free_erase_ char **passwords = NULL;
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if (!key_file) {
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if (!key_file) {
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k = get_password(argv[2], argv[3], until, tries == 0 && !arg_verify, &passwords);
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r = get_password(argv[2], argv[3], until, tries == 0 && !arg_verify, &passwords);
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if (k == -EAGAIN)
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if (r == -EAGAIN)
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continue;
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continue;
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else if (k < 0)
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if (r < 0)
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goto finish;
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goto finish;
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}
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}
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if (streq_ptr(arg_type, CRYPT_TCRYPT))
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if (streq_ptr(arg_type, CRYPT_TCRYPT))
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k = attach_tcrypt(cd, argv[2], key_file, passwords, flags);
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r = attach_tcrypt(cd, argv[2], key_file, passwords, flags);
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else
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else
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k = attach_luks_or_plain(cd,
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r = attach_luks_or_plain(cd,
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argv[2],
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argv[2],
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key_file,
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key_file,
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arg_header ? argv[3] : NULL,
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arg_header ? argv[3] : NULL,
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passwords,
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passwords,
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flags);
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flags);
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if (k >= 0)
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if (r >= 0)
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break;
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break;
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else if (k == -EAGAIN) {
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if (r == -EAGAIN) {
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key_file = NULL;
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key_file = NULL;
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continue;
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continue;
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} else if (k != -EPERM) {
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}
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log_error_errno(k, "Failed to activate: %m");
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if (r != -EPERM) {
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log_error_errno(r, "Failed to activate: %m");
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goto finish;
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goto finish;
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}
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}
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@ -722,28 +723,28 @@ int main(int argc, char *argv[]) {
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if (arg_tries != 0 && tries >= arg_tries) {
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if (arg_tries != 0 && tries >= arg_tries) {
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log_error("Too many attempts; giving up.");
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log_error("Too many attempts; giving up.");
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r = EXIT_FAILURE;
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r = -EPERM;
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goto finish;
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goto finish;
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}
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}
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} else if (streq(argv[1], "detach")) {
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} else if (streq(argv[1], "detach")) {
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int k;
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k = crypt_init_by_name(&cd, argv[2]);
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r = crypt_init_by_name(&cd, argv[2]);
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if (k == -ENODEV) {
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if (r == -ENODEV) {
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log_info("Volume %s already inactive.", argv[2]);
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log_info("Volume %s already inactive.", argv[2]);
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r = EXIT_SUCCESS;
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r = 0;
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goto finish;
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goto finish;
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} else if (k) {
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}
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log_error_errno(k, "crypt_init_by_name() failed: %m");
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if (r < 0) {
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log_error_errno(r, "crypt_init_by_name() failed: %m");
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goto finish;
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goto finish;
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}
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}
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crypt_set_log_callback(cd, log_glue, NULL);
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crypt_set_log_callback(cd, log_glue, NULL);
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k = crypt_deactivate(cd, argv[2]);
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r = crypt_deactivate(cd, argv[2]);
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if (k < 0) {
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if (r < 0) {
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log_error_errno(k, "Failed to deactivate: %m");
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log_error_errno(r, "Failed to deactivate: %m");
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goto finish;
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goto finish;
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}
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}
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@ -752,10 +753,9 @@ int main(int argc, char *argv[]) {
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goto finish;
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goto finish;
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}
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}
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r = EXIT_SUCCESS;
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r = 0;
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finish:
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finish:
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if (cd)
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if (cd)
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crypt_free(cd);
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crypt_free(cd);
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@ -764,5 +764,5 @@ finish:
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free(arg_header);
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free(arg_header);
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strv_free(arg_tcrypt_keyfiles);
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strv_free(arg_tcrypt_keyfiles);
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return r;
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return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
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}
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}
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