rpm/backport-Bury-rpmio-FD-use-to-fsmUnpack.patch

130 lines
3.6 KiB
Diff

From bbc270d78fb361bd78eac9a9117070caeb537d4a Mon Sep 17 00:00:00 2001
From: Panu Matilainen <pmatilai@redhat.com>
Date: Mon, 14 Feb 2022 12:35:58 +0200
Subject: [PATCH] Bury rpmio FD use to fsmUnpack()
fsmUnpack() is the only place in FSM that needs to deal with rpmio FD
types, everywhere else they are nothing but a hindrance that need to
be converted to OS level descriptors for use. Better deal with OS
level descriptors to begin with.
---
lib/fsm.c | 37 ++++++++++++++++---------------------
1 file changed, 16 insertions(+), 21 deletions(-)
diff --git a/lib/fsm.c b/lib/fsm.c
index 13b1142..b019f57 100644
--- a/lib/fsm.c
+++ b/lib/fsm.c
@@ -110,14 +110,14 @@ static int fsmSetFCaps(const char *path, const char *captxt)
return rc;
}
-static int fsmClose(FD_t *wfdp)
+static int fsmClose(int *wfdp)
{
int rc = 0;
- if (wfdp && *wfdp) {
+ if (wfdp && *wfdp >= 0) {
int myerrno = errno;
static int oneshot = 0;
static int flush_io = 0;
- int fdno = Fileno(*wfdp);
+ int fdno = *wfdp;
if (!oneshot) {
flush_io = (rpmExpandNumeric("%{?_flush_io}") > 0);
@@ -126,61 +126,56 @@ static int fsmClose(FD_t *wfdp)
if (flush_io) {
fsync(fdno);
}
- if (Fclose(*wfdp))
+ if (close(fdno))
rc = RPMERR_CLOSE_FAILED;
if (_fsm_debug) {
rpmlog(RPMLOG_DEBUG, " %8s ([%d]) %s\n", __func__,
fdno, (rc < 0 ? strerror(errno) : ""));
}
- *wfdp = NULL;
+ *wfdp = -1;
errno = myerrno;
}
return rc;
}
-static int fsmOpen(FD_t *wfdp, int dirfd, const char *dest)
+static int fsmOpen(int *wfdp, int dirfd, const char *dest)
{
int rc = 0;
/* Create the file with 0200 permissions (write by owner). */
int fd = openat(dirfd, dest, O_WRONLY|O_EXCL|O_CREAT, 0200);
- if (fd >= 0) {
- *wfdp = fdDup(fd);
- close(fd);
- }
-
- if (fd < 0 || Ferror(*wfdp))
+ if (fd < 0)
rc = RPMERR_OPEN_FAILED;
if (_fsm_debug) {
rpmlog(RPMLOG_DEBUG, " %8s (%s [%d]) %s\n", __func__,
- dest, Fileno(*wfdp), (rc < 0 ? strerror(errno) : ""));
+ dest, fd, (rc < 0 ? strerror(errno) : ""));
}
-
- if (rc)
- fsmClose(wfdp);
+ *wfdp = fd;
return rc;
}
-static int fsmUnpack(rpmfi fi, FD_t fd, rpmpsm psm, int nodigest)
+static int fsmUnpack(rpmfi fi, int fdno, rpmpsm psm, int nodigest)
{
+ FD_t fd = fdDup(fdno);
int rc = rpmfiArchiveReadToFilePsm(fi, fd, nodigest, psm);
if (_fsm_debug) {
rpmlog(RPMLOG_DEBUG, " %8s (%s %" PRIu64 " bytes [%d]) %s\n", __func__,
rpmfiFN(fi), rpmfiFSize(fi), Fileno(fd),
(rc < 0 ? strerror(errno) : ""));
}
+ Fclose(fd);
return rc;
}
static int fsmMkfile(int dirfd, rpmfi fi, struct filedata_s *fp, rpmfiles files,
rpmpsm psm, int nodigest,
- struct filedata_s ** firstlink, FD_t *firstlinkfile)
+ struct filedata_s ** firstlink, int *firstlinkfile)
{
int rc = 0;
- FD_t fd = NULL;
+ int fd = -1;
if (*firstlink == NULL) {
/* First encounter, open file for writing */
@@ -206,7 +201,7 @@ static int fsmMkfile(int dirfd, rpmfi fi, struct filedata_s *fp, rpmfiles files,
if (*firstlink) {
fp->setmeta = 1;
*firstlink = NULL;
- *firstlinkfile = NULL;
+ *firstlinkfile = -1;
}
}
@@ -811,7 +806,7 @@ int rpmPackageFilesInstall(rpmts ts, rpmte te, rpmfiles files,
int fc = rpmfilesFC(files);
int nodigest = (rpmtsFlags(ts) & RPMTRANS_FLAG_NOFILEDIGEST) ? 1 : 0;
int nofcaps = (rpmtsFlags(ts) & RPMTRANS_FLAG_NOCAPS) ? 1 : 0;
- FD_t firstlinkfile = NULL;
+ int firstlinkfile = -1;
char *tid = NULL;
struct filedata_s *fdata = xcalloc(fc, sizeof(*fdata));
struct filedata_s *firstlink = NULL;
--
1.8.3.1