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sd-id128: make id128_read() or friends return -ENOPKG when the file contents is "uninitialized"

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Then, this drops ID128_PLAIN_OR_UNINIT. Also, this renames
Id128Format -> Id128FormatFlag, and make it bitfield.

Fixes #25634.
This commit is contained in:
Yu Watanabe
2022-12-12 21:57:31 +09:00
parent 28bf2de201
commit 057bf780e9
14 changed files with 61 additions and 63 deletions
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src/shared/machine-id-setup.c
+6 -6
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@@ -37,7 +37,7 @@ static int generate_machine_id(const char *root, sd_id128_t *ret) {
dbus_machine_id = prefix_roota(root, "/var/lib/dbus/machine-id");
fd = open(dbus_machine_id, O_RDONLY|O_CLOEXEC|O_NOCTTY|O_NOFOLLOW);
if (fd >= 0) {
if (id128_read_fd(fd, ID128_PLAIN, ret) >= 0) {
if (id128_read_fd(fd, ID128_FORMAT_PLAIN, ret) >= 0) {
log_info("Initializing machine ID from D-Bus machine ID.");
return 0;
}
@@ -122,7 +122,7 @@ int machine_id_setup(const char *root, bool force_transient, sd_id128_t machine_
if (sd_id128_is_null(machine_id)) {
/* Try to read any existing machine ID */
if (id128_read_fd(fd, ID128_PLAIN, ret) >= 0)
if (id128_read_fd(fd, ID128_FORMAT_PLAIN, ret) >= 0)
return 0;
/* Hmm, so, the id currently stored is not useful, then let's generate one */
@@ -151,7 +151,7 @@ int machine_id_setup(const char *root, bool force_transient, sd_id128_t machine_
if (r < 0)
return log_error_errno(r, "Failed to sync %s: %m", etc_machine_id);
} else {
r = id128_write_fd(fd, ID128_PLAIN, machine_id, true);
r = id128_write_fd(fd, ID128_FORMAT_PLAIN, machine_id, true);
if (r < 0)
return log_error_errno(r, "Failed to write %s: %m", etc_machine_id);
else
@@ -167,7 +167,7 @@ int machine_id_setup(const char *root, bool force_transient, sd_id128_t machine_
run_machine_id = prefix_roota(root, "/run/machine-id");
RUN_WITH_UMASK(0022)
r = id128_write(run_machine_id, ID128_PLAIN, machine_id, false);
r = id128_write(run_machine_id, ID128_FORMAT_PLAIN, machine_id, false);
if (r < 0) {
(void) unlink(run_machine_id);
return log_error_errno(r, "Cannot write %s: %m", run_machine_id);
@@ -239,7 +239,7 @@ int machine_id_commit(const char *root) {
"%s is not on a temporary file system.",
etc_machine_id);
r = id128_read_fd(fd, ID128_PLAIN, &id);
r = id128_read_fd(fd, ID128_FORMAT_PLAIN, &id);
if (r < 0)
return log_error_errno(r, "We didn't find a valid machine ID in %s: %m", etc_machine_id);
@@ -260,7 +260,7 @@ int machine_id_commit(const char *root) {
return r;
/* Update a persistent version of etc_machine_id */
r = id128_write(etc_machine_id, ID128_PLAIN, id, true);
r = id128_write(etc_machine_id, ID128_FORMAT_PLAIN, id, true);
if (r < 0)
return log_error_errno(r, "Cannot write %s. This is mandatory to get a persistent machine ID: %m", etc_machine_id);