From 7db6c82cec49b7c56c403a8ea98364086baf75f3 Mon Sep 17 00:00:00 2001 From: Joshua Rogers Date: Fri, 30 Jan 2015 11:42:52 +0900 Subject: [PATCH] kbx: Fix resource leak. * kbx/keybox-update.c (blob_filecopy): Fix resource leak. On error return, 'fp' and 'newfp' was never closed. -- Signed-off-by: Joshua Rogers [Log entry reformatted, and added more fixes - gniibe] --- kbx/keybox-update.c | 37 ++++++++++++++++++++++++++++++++----- 1 file changed, 32 insertions(+), 5 deletions(-) diff --git a/kbx/keybox-update.c b/kbx/keybox-update.c index 11861ac14..7b207a520 100644 --- a/kbx/keybox-update.c +++ b/kbx/keybox-update.c @@ -241,11 +241,17 @@ blob_filecopy (int mode, const char *fname, KEYBOXBLOB blob, rc = _keybox_write_header_blob (newfp, for_openpgp); if (rc) - return rc; + { + fclose (newfp); + return rc; + } rc = _keybox_write_blob (blob, newfp); if (rc) - return rc; + { + fclose (newfp); + return rc; + } if ( fclose (newfp) ) return gpg_error_from_syserror (); @@ -268,7 +274,8 @@ blob_filecopy (int mode, const char *fname, KEYBOXBLOB blob, rc = create_tmp_file (fname, &bakfname, &tmpfname, &newfp); if (rc) { - fclose(fp); + fclose (fp); + fclose (newfp); goto leave; } @@ -292,12 +299,16 @@ blob_filecopy (int mode, const char *fname, KEYBOXBLOB blob, if (fwrite (buffer, nread, 1, newfp) != 1) { rc = gpg_error_from_syserror (); + fclose (fp); + fclose (newfp); goto leave; } } if (ferror (fp)) { rc = gpg_error_from_syserror (); + fclose (fp); + fclose (newfp); goto leave; } } @@ -321,19 +332,27 @@ blob_filecopy (int mode, const char *fname, KEYBOXBLOB blob, if (fwrite (buffer, nread, 1, newfp) != 1) { rc = gpg_error_from_syserror (); + fclose (fp); + fclose (newfp); goto leave; } } if (ferror (fp)) { rc = gpg_error_from_syserror (); + fclose (fp); + fclose (newfp); goto leave; } /* Skip this blob. */ rc = _keybox_read_blob (NULL, fp); if (rc) - return rc; + { + fclose (fp); + fclose (newfp); + return rc; + } } /* Do an insert or update. */ @@ -341,7 +360,11 @@ blob_filecopy (int mode, const char *fname, KEYBOXBLOB blob, { rc = _keybox_write_blob (blob, newfp); if (rc) + { + fclose (fp); + fclose (newfp); return rc; + } } /* Copy the rest of the packet for an delete or update. */ @@ -352,12 +375,16 @@ blob_filecopy (int mode, const char *fname, KEYBOXBLOB blob, if (fwrite (buffer, nread, 1, newfp) != 1) { rc = gpg_error_from_syserror (); + fclose (fp); + fclose (newfp); goto leave; } } if (ferror (fp)) { rc = gpg_error_from_syserror (); + fclose (fp); + fclose (newfp); goto leave; } } @@ -726,7 +753,7 @@ keybox_compress (KEYBOX_HANDLE hd) rc = create_tmp_file (fname, &bakfname, &tmpfname, &newfp); if (rc) { - fclose(fp); + fclose (fp); return rc;; }