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keyutil: Use fopen_tmpfile_linkable()

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This commit is contained in:
Daan De Meyer
2025-02-27 10:03:29 +01:00
parent 27e040f742
commit d8877019fb
1 changed files with 10 additions and 3 deletions
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13
src/keyutil/keyutil.c
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@@ -13,6 +13,7 @@
#include "openssl-util.h"
#include "parse-argument.h"
#include "pretty-print.h"
#include "tmpfile-util.h"
#include "verbs.h"
static char *arg_private_key = NULL;
@@ -352,14 +353,20 @@ static int verb_pkcs7(int argc, char *argv[], void *userdata) {
ASN1_STRING_set0(signer_info->enc_digest, TAKE_PTR(pkcs1), pkcs1_len);
_cleanup_fclose_ FILE *output = fopen(arg_output, "we");
if (!output)
return log_error_errno(errno, "Could not open PKCS#7 output file %s: %m", arg_output);
_cleanup_fclose_ FILE *output = NULL;
_cleanup_free_ char *tmp = NULL;
r = fopen_tmpfile_linkable(arg_output, O_WRONLY|O_CLOEXEC, &tmp, &output);
if (r < 0)
return log_error_errno(r, "Failed to open temporary file: %m");
if (!i2d_PKCS7_fp(output, pkcs7))
return log_error_errno(SYNTHETIC_ERRNO(EIO), "Failed to write PKCS#7 file: %s",
ERR_error_string(ERR_get_error(), NULL));
r = flink_tmpfile(output, tmp, arg_output, LINK_TMPFILE_REPLACE|LINK_TMPFILE_SYNC);
if (r < 0)
return log_error_errno(r, "Failed to link temporary file to %s: %m", arg_output);
return 0;
}