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hx509: create files with safe mode_t

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This commit is contained in:
Nicolas Williams
2019-07-04 20:13:27 -05:00
parent 5a0d85e423
commit e4b35ba13f
1 changed files with 14 additions and 4 deletions
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18
lib/hx509/ks_file.c
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@@ -415,6 +415,10 @@ file_init_common(hx509_context context,
*/
if (flags & HX509_CERTS_CREATE) {
/*
* Note that the file creation is deferred until file_store() is
* called.
*/
ret = hx509_certs_init(context, "MEMORY:ks-file-create",
0, lock, &ksf->certs);
if (ret)
@@ -586,12 +590,18 @@ file_store(hx509_context context,
struct ks_file *ksf = data;
struct store_ctx sc;
int ret;
int fd;
sc.f = fopen(ksf->fn, "w");
sc.f = NULL;
fd = open(ksf->fn, O_CREAT | O_WRONLY, 0600);
if (fd > -1)
sc.f = fdopen(fd, "w");
if (sc.f == NULL) {
hx509_set_error_string(context, 0, ENOENT,
"Failed to open file %s for writing");
return ENOENT;
hx509_set_error_string(context, 0, ret = errno,
"Failed to open file %s for writing", ksf->fn);
if (fd > -1)
(void) close(fd);
return ret;
}
rk_cloexec_file(sc.f);
sc.format = ksf->format;