import: add support for gpg2 for verifying imported images
gpg2 insists on created a trust db even if we tun off all trust db support. Hence create a temporary home where the trust db is placed, and remove it after use.
This commit is contained in:
parent
7de304525d
commit
0acfdffe94
|
@ -281,8 +281,9 @@ int import_verify(
|
|||
_cleanup_free_ char *fn = NULL;
|
||||
_cleanup_close_ int sig_file = -1;
|
||||
const char *p, *line;
|
||||
char sig_file_path[] = "/tmp/sigXXXXXX";
|
||||
char sig_file_path[] = "/tmp/sigXXXXXX", gpg_home[] = "/tmp/gpghomeXXXXXX";
|
||||
_cleanup_sigkill_wait_ pid_t pid = 0;
|
||||
bool gpg_home_created = false;
|
||||
int r;
|
||||
|
||||
assert(main_job);
|
||||
|
@ -347,6 +348,13 @@ int import_verify(
|
|||
goto finish;
|
||||
}
|
||||
|
||||
if (!mkdtemp(gpg_home)) {
|
||||
r = log_error_errno(errno, "Failed to create tempory home for gpg: %m");
|
||||
goto finish;
|
||||
}
|
||||
|
||||
gpg_home_created = true;
|
||||
|
||||
pid = fork();
|
||||
if (pid < 0)
|
||||
return log_error_errno(errno, "Failed to fork off gpg: %m");
|
||||
|
@ -359,13 +367,14 @@ int import_verify(
|
|||
"--no-auto-check-trustdb",
|
||||
"--batch",
|
||||
"--trust-model=always",
|
||||
NULL, /* keyring to use */
|
||||
NULL, /* --homedir= */
|
||||
NULL, /* --keyring= */
|
||||
NULL, /* --verify */
|
||||
NULL, /* signature file */
|
||||
NULL, /* dash */
|
||||
NULL /* trailing NULL */
|
||||
};
|
||||
unsigned k = ELEMENTSOF(cmd) - 5;
|
||||
unsigned k = ELEMENTSOF(cmd) - 6;
|
||||
int null_fd;
|
||||
|
||||
/* Child */
|
||||
|
@ -398,6 +407,8 @@ int import_verify(
|
|||
if (null_fd != STDOUT_FILENO)
|
||||
null_fd = safe_close(null_fd);
|
||||
|
||||
cmd[k++] = strjoina("--homedir=", gpg_home);
|
||||
|
||||
/* We add the user keyring only to the command line
|
||||
* arguments, if it's around since gpg fails
|
||||
* otherwise. */
|
||||
|
@ -415,6 +426,7 @@ int import_verify(
|
|||
fd_cloexec(STDOUT_FILENO, false);
|
||||
fd_cloexec(STDERR_FILENO, false);
|
||||
|
||||
execvp("gpg2", (char * const *) cmd);
|
||||
execvp("gpg", (char * const *) cmd);
|
||||
log_error_errno(errno, "Failed to execute gpg: %m");
|
||||
_exit(EXIT_FAILURE);
|
||||
|
@ -446,6 +458,9 @@ finish:
|
|||
if (sig_file >= 0)
|
||||
unlink(sig_file_path);
|
||||
|
||||
if (gpg_home_created)
|
||||
rm_rf_dangerous(gpg_home, false, true, false);
|
||||
|
||||
return r;
|
||||
}
|
||||
|
||||
|
|
Loading…
Reference in New Issue