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Use g_mkstemp_full instead of mkostemp(s)

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With g_mkstemp_full, there is no need to distinguish between
mkostemp and mkostemps (no suffix vs. a suffix of a fixed length),
because the GLib function looks for the XXXXXX pattern everywhere
in the string.

Use S_IRUSR | S_IWUSR for the permissions and do not pass O_RDWR
in flags since it's implied.

Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
This commit is contained in:
Ján Tomko 2019-11-13 22:30:26 +01:00
parent c4ae19d1ec
commit 4ac4773040
7 changed files with 12 additions and 18 deletions
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8
src/qemu/qemu_driver.c
View File

@ -4024,8 +4024,8 @@ qemuDomainScreenshot(virDomainPtr dom,
if (!(tmp = g_strdup_printf("%s/qemu.screendump.XXXXXX", cfg->cacheDir)))
goto endjob;
if ((tmp_fd = mkostemp(tmp, O_CLOEXEC)) == -1) {
virReportSystemError(errno, _("mkostemp(\"%s\") failed"), tmp);
if ((tmp_fd = g_mkstemp_full(tmp, O_CLOEXEC, S_IRUSR | S_IWUSR)) == -1) {
virReportSystemError(errno, _("g_mkstemp(\"%s\") failed"), tmp);
goto endjob;
}
unlink_tmp = true;
@ -11970,9 +11970,9 @@ qemuDomainMemoryPeek(virDomainPtr dom,
goto endjob;
/* Create a temporary filename. */
if ((fd = mkostemp(tmp, O_CLOEXEC)) == -1) {
if ((fd = g_mkstemp_full(tmp, O_CLOEXEC, S_IRUSR | S_IWUSR)) == -1) {
virReportSystemError(errno,
_("mkostemp(\"%s\") failed"), tmp);
_("g_mkstemp(\"%s\") failed"), tmp);
goto endjob;
}

2
src/storage/storage_driver.c
View File

@ -2825,7 +2825,7 @@ virStoragePoolObjFindPoolByUUID(const unsigned char *uuid)
*
* Generate a name for a temporary file using the driver stateDir
* as a path, the pool name, and the volume name to be used as input
* for a mkostemp
* for mkstemp
*
* Returns a string pointer on success, NULL on failure
*/

2
src/storage/storage_util.c
View File

@ -1215,7 +1215,7 @@ storageBackendCreateQemuImgSecretPath(virStoragePoolObjPtr pool,
if (!(secretPath = virStoragePoolObjBuildTempFilePath(pool, vol)))
goto cleanup;
if ((fd = mkostemp(secretPath, O_CLOEXEC)) < 0) {
if ((fd = g_mkstemp_full(secretPath, O_CLOEXEC, S_IRUSR | S_IWUSR)) < 0) {
virReportSystemError(errno, "%s",
_("failed to open secret file for write"));
goto error;

8
src/util/virlog.c
View File

@ -992,13 +992,7 @@ virLogOutputToJournald(virLogSourcePtr source,
* and pass an FD to the journal
*/
/* NB: mkostemp is not declared async signal safe by
* POSIX, but this is Linux only code and the GLibc
* impl is safe enough, only using open() and inline
* asm to read a timestamp (falling back to gettimeofday
* on some arches
*/
if ((buffd = mkostemp(path, O_CLOEXEC|O_RDWR)) < 0)
if ((buffd = g_mkstemp_full(path, O_CLOEXEC, S_IRUSR | S_IWUSR)) < 0)
return;
if (unlink(path) < 0)

4
src/vbox/vbox_common.c
View File

@ -7385,8 +7385,8 @@ vboxDomainScreenshot(virDomainPtr dom,
tmp = g_strdup_printf("%s/vbox.screendump.XXXXXX", cacheDir);
if ((tmp_fd = mkostemp(tmp, O_CLOEXEC)) == -1) {
virReportSystemError(errno, _("mkostemp(\"%s\") failed"), tmp);
if ((tmp_fd = g_mkstemp_full(tmp, O_CLOEXEC, S_IRUSR | S_IWUSR)) == -1) {
virReportSystemError(errno, _("g_mkstemp(\"%s\") failed"), tmp);
VIR_FREE(tmp);
VBOX_RELEASE(machine);
return NULL;

2
tests/virfiletest.c
View File

@ -133,7 +133,7 @@ makeSparseFile(const off_t offsets[],
off_t len = 0;
size_t i;
if ((fd = mkostemp(path, O_CLOEXEC|O_RDWR)) < 0)
if ((fd = g_mkstemp_full(path, O_CLOEXEC, S_IRUSR | S_IWUSR)) < 0)
goto error;
if (unlink(path) < 0)

4
tools/vsh.c
View File

@ -2400,9 +2400,9 @@ vshEditWriteToTempFile(vshControl *ctl, const char *doc)
tmpdir = getenv("TMPDIR");
if (!tmpdir) tmpdir = "/tmp";
ret = g_strdup_printf("%s/virshXXXXXX.xml", tmpdir);
fd = mkostemps(ret, 4, O_CLOEXEC);
fd = g_mkstemp_full(ret, O_CLOEXEC, S_IRUSR | S_IWUSR);
if (fd == -1) {
vshError(ctl, _("mkostemps: failed to create temporary file: %s"),
vshError(ctl, _("g_mkstemp_full: failed to create temporary file: %s"),
virStrerror(errno, ebuf, sizeof(ebuf)));
VIR_FREE(ret);
return NULL;