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audit: handle error from audit_encode_nv_string()

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audit_encode_nv_string() is documented that it might fail. Handle
the error.

Also, the returned string was allocated with malloc(). We must free
that with free()/nm_auto_free, not g_free()/gs_free.
This commit is contained in:
Thomas Haller 2022-05-09 15:33:54 +02:00
parent 9ee37e42e1
commit d2f71b273e
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GPG key ID: 29C2366E4DFC5728
1 changed files with 5 additions and 2 deletions
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7
src/core/nm-audit-manager.c
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@ -135,10 +135,13 @@ build_message(NMStrBuf *strbuf, AuditBackend backend, GPtrArray *fields)
#if HAVE_LIBAUDIT
if (backend == BACKEND_AUDITD) {
if (field->need_encoding) {
gs_free char *value = NULL;
nm_auto_free char *value = NULL;
value = audit_encode_nv_string(field->name, str, 0);
nm_str_buf_append(strbuf, value);
if (value)
nm_str_buf_append(strbuf, value);
else
nm_str_buf_append_printf(strbuf, "%s=???", field->name);
} else
nm_str_buf_append_printf(strbuf, "%s=%s", field->name, str);
continue;