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-rw-r--r--libc/inet/getaddrinfo.c2
-rw-r--r--libc/misc/internals/tempname.c6
-rw-r--r--libc/misc/internals/tempname.h2
-rw-r--r--libc/stdio/tempnam.c2
-rw-r--r--libc/stdio/tmpfile.c2
-rw-r--r--libc/stdio/tmpnam.c2
-rw-r--r--libc/stdio/tmpnam_r.c2
-rw-r--r--libc/stdlib/mkdtemp.c2
-rw-r--r--libc/stdlib/mkostemp.c4
-rw-r--r--libc/stdlib/mkostemp64.c2
-rw-r--r--libc/stdlib/mkstemp.c2
-rw-r--r--libc/stdlib/mkstemp64.c2
-rw-r--r--libc/stdlib/mktemp.c2
-rw-r--r--libpthread/nptl/sem_open.c2
-rw-r--r--test/.gitignore2
-rw-r--r--test/stdlib/test-mkostemp-O_CLOEXEC.c45
-rw-r--r--test/stdlib/test-mkostemp-child.c22
17 files changed, 87 insertions, 16 deletions
diff --git a/libc/inet/getaddrinfo.c b/libc/inet/getaddrinfo.c
index b61d69c0e..168adb115 100644
--- a/libc/inet/getaddrinfo.c
+++ b/libc/inet/getaddrinfo.c
@@ -308,7 +308,7 @@ gaih_local(const char *name, const struct gaih_service *service,
char *buf = ((struct sockaddr_un *)ai->ai_addr)->sun_path;
if (__path_search(buf, L_tmpnam, NULL, NULL, 0) != 0
- || __gen_tempname(buf, __GT_NOCREATE, 0) != 0
+ || __gen_tempname(buf, __GT_NOCREATE, 0, 0) != 0
) {
return -EAI_SYSTEM;
}
diff --git a/libc/misc/internals/tempname.c b/libc/misc/internals/tempname.c
index 18fd823c1..edcc31c1a 100644
--- a/libc/misc/internals/tempname.c
+++ b/libc/misc/internals/tempname.c
@@ -177,7 +177,7 @@ static void brain_damaged_fillrand(unsigned char *buf, unsigned int len)
__GT_DIR: create a directory with given mode.
*/
-int attribute_hidden __gen_tempname (char *tmpl, int kind, mode_t mode)
+int attribute_hidden __gen_tempname (char *tmpl, int kind, int flags, mode_t mode)
{
char *XXXXXX;
unsigned int i;
@@ -219,11 +219,11 @@ int attribute_hidden __gen_tempname (char *tmpl, int kind, mode_t mode)
fd = 0;
}
case __GT_FILE:
- fd = open (tmpl, O_RDWR | O_CREAT | O_EXCL, mode);
+ fd = open (tmpl, O_RDWR | O_CREAT | O_EXCL | flags, mode);
break;
#if defined __UCLIBC_HAS_LFS__
case __GT_BIGFILE:
- fd = open64 (tmpl, O_RDWR | O_CREAT | O_EXCL, mode);
+ fd = open64 (tmpl, O_RDWR | O_CREAT | O_EXCL | flags, mode);
break;
#endif
case __GT_DIR:
diff --git a/libc/misc/internals/tempname.h b/libc/misc/internals/tempname.h
index e75b632d8..edfe26d8c 100644
--- a/libc/misc/internals/tempname.h
+++ b/libc/misc/internals/tempname.h
@@ -10,7 +10,7 @@ extern int ___path_search (char *tmpl, size_t tmpl_len, const char *dir,
const char *pfx /*, int try_tmpdir */) attribute_hidden;
#define __path_search(tmpl, tmpl_len, dir, pfx, try_tmpdir) ___path_search(tmpl, tmpl_len, dir, pfx)
-extern int __gen_tempname (char *__tmpl, int __kind, mode_t mode) attribute_hidden;
+extern int __gen_tempname (char *__tmpl, int __kind, int flags, mode_t mode) attribute_hidden;
/* The __kind argument to __gen_tempname may be one of: */
#define __GT_FILE 0 /* create a file */
diff --git a/libc/stdio/tempnam.c b/libc/stdio/tempnam.c
index 232ed02c5..74bb26ed5 100644
--- a/libc/stdio/tempnam.c
+++ b/libc/stdio/tempnam.c
@@ -35,7 +35,7 @@ tempnam (const char *dir, const char *pfx)
if (__path_search (buf, FILENAME_MAX, dir, pfx, 1))
return NULL;
- if (__gen_tempname (buf, __GT_NOCREATE, 0))
+ if (__gen_tempname (buf, __GT_NOCREATE, 0, 0))
return NULL;
return strdup (buf);
diff --git a/libc/stdio/tmpfile.c b/libc/stdio/tmpfile.c
index a9bf4743a..83c85b53d 100644
--- a/libc/stdio/tmpfile.c
+++ b/libc/stdio/tmpfile.c
@@ -35,7 +35,7 @@ FILE * tmpfile (void)
if (__path_search (buf, FILENAME_MAX, NULL, "tmpf", 0))
return NULL;
- fd = __gen_tempname (buf, __GT_FILE, S_IRUSR | S_IWUSR);
+ fd = __gen_tempname (buf, __GT_FILE, 0, S_IRUSR | S_IWUSR);
if (fd < 0)
return NULL;
diff --git a/libc/stdio/tmpnam.c b/libc/stdio/tmpnam.c
index 88b9bff1f..ffed862c1 100644
--- a/libc/stdio/tmpnam.c
+++ b/libc/stdio/tmpnam.c
@@ -40,7 +40,7 @@ tmpnam (char *s)
0))
return NULL;
- if (__builtin_expect (__gen_tempname (tmpbuf, __GT_NOCREATE, 0), 0))
+ if (__builtin_expect (__gen_tempname (tmpbuf, __GT_NOCREATE, 0, 0), 0))
return NULL;
if (s == NULL)
diff --git a/libc/stdio/tmpnam_r.c b/libc/stdio/tmpnam_r.c
index 8cde84d7a..bfd60a437 100644
--- a/libc/stdio/tmpnam_r.c
+++ b/libc/stdio/tmpnam_r.c
@@ -27,7 +27,7 @@ char * tmpnam_r (char *s)
if (__path_search (s, L_tmpnam, NULL, NULL, 0))
return NULL;
- if (__gen_tempname (s, __GT_NOCREATE, 0))
+ if (__gen_tempname (s, __GT_NOCREATE, 0, 0))
return NULL;
return s;
diff --git a/libc/stdlib/mkdtemp.c b/libc/stdlib/mkdtemp.c
index da7598a6f..e6d4a364c 100644
--- a/libc/stdlib/mkdtemp.c
+++ b/libc/stdlib/mkdtemp.c
@@ -29,7 +29,7 @@
(This function comes from OpenBSD.) */
char * mkdtemp (char *template)
{
- if (__gen_tempname (template, __GT_DIR, S_IRUSR | S_IWUSR | S_IXUSR))
+ if (__gen_tempname (template, __GT_DIR, 0, S_IRUSR | S_IWUSR | S_IXUSR))
return NULL;
else
return template;
diff --git a/libc/stdlib/mkostemp.c b/libc/stdlib/mkostemp.c
index 0369235dc..912be30a6 100644
--- a/libc/stdlib/mkostemp.c
+++ b/libc/stdlib/mkostemp.c
@@ -17,6 +17,7 @@
#include <stdio.h>
#include <stdlib.h>
+#include <fcntl.h>
#include "../misc/internals/tempname.h"
/* Generate a unique temporary file name from TEMPLATE.
@@ -26,5 +27,6 @@
int
mkostemp (char *template, int flags)
{
- return __gen_tempname (template, __GT_FILE, flags);
+ flags -= flags & O_ACCMODE; /* Remove O_RDONLY, O_WRONLY, and O_RDWR. */
+ return __gen_tempname (template, __GT_FILE, flags, S_IRUSR | S_IWUSR);
}
diff --git a/libc/stdlib/mkostemp64.c b/libc/stdlib/mkostemp64.c
index d21def58a..c6d6d849d 100644
--- a/libc/stdlib/mkostemp64.c
+++ b/libc/stdlib/mkostemp64.c
@@ -27,5 +27,5 @@
int
mkostemp64 (char *template, int flags)
{
- return __gen_tempname (template, __GT_BIGFILE, flags | O_LARGEFILE);
+ return __gen_tempname (template, __GT_BIGFILE, flags | O_LARGEFILE, S_IRUSR | S_IWUSR | S_IXUSR);
}
diff --git a/libc/stdlib/mkstemp.c b/libc/stdlib/mkstemp.c
index 61c717511..a3a159590 100644
--- a/libc/stdlib/mkstemp.c
+++ b/libc/stdlib/mkstemp.c
@@ -26,5 +26,5 @@
Then open the file and return a fd. */
int mkstemp (char *template)
{
- return __gen_tempname (template, __GT_FILE, S_IRUSR | S_IWUSR);
+ return __gen_tempname (template, __GT_FILE, 0, S_IRUSR | S_IWUSR);
}
diff --git a/libc/stdlib/mkstemp64.c b/libc/stdlib/mkstemp64.c
index e29be2da4..6f2ee3e83 100644
--- a/libc/stdlib/mkstemp64.c
+++ b/libc/stdlib/mkstemp64.c
@@ -26,5 +26,5 @@
Then open the file and return a fd. */
int mkstemp64 (char *template)
{
- return __gen_tempname (template, __GT_BIGFILE, S_IRUSR | S_IWUSR);
+ return __gen_tempname (template, __GT_BIGFILE, 0, S_IRUSR | S_IWUSR);
}
diff --git a/libc/stdlib/mktemp.c b/libc/stdlib/mktemp.c
index edd001d49..1ff93da3c 100644
--- a/libc/stdlib/mktemp.c
+++ b/libc/stdlib/mktemp.c
@@ -24,7 +24,7 @@
* they are replaced with a string that makes the filename unique. */
char *mktemp(char *template)
{
- if (__gen_tempname (template, __GT_NOCREATE, 0) < 0)
+ if (__gen_tempname (template, __GT_NOCREATE, 0, 0) < 0)
/* We return the null string if we can't find a unique file name. */
template[0] = '\0';
diff --git a/libpthread/nptl/sem_open.c b/libpthread/nptl/sem_open.c
index 1b3616439..3a7207908 100644
--- a/libpthread/nptl/sem_open.c
+++ b/libpthread/nptl/sem_open.c
@@ -336,7 +336,7 @@ sem_open (const char *name, int oflag, ...)
mempcpy (mempcpy (tmpfname, mountpoint.dir, mountpoint.dirlen),
"XXXXXX", 7);
- fd = __gen_tempname (tmpfname, __GT_FILE, mode);
+ fd = __gen_tempname (tmpfname, __GT_FILE, 0, mode);
if (fd == -1)
return SEM_FAILED;
diff --git a/test/.gitignore b/test/.gitignore
index 8f3203190..5944f0a0f 100644
--- a/test/.gitignore
+++ b/test/.gitignore
@@ -274,6 +274,8 @@ stdlib/testarc4random
stdlib/testatexit
stdlib/test-canon
stdlib/test-canon2
+stdlib/test-mkostemp-O_CLOEXEC
+stdlib/test-mkostemp-child
stdlib/teston_exit
stdlib/teststrtol
stdlib/teststrtoq
diff --git a/test/stdlib/test-mkostemp-O_CLOEXEC.c b/test/stdlib/test-mkostemp-O_CLOEXEC.c
new file mode 100644
index 000000000..9ff229af1
--- /dev/null
+++ b/test/stdlib/test-mkostemp-O_CLOEXEC.c
@@ -0,0 +1,45 @@
+#define _XOPEN_SOURCE_EXTENDED
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <sys/wait.h>
+#include <errno.h>
+
+#if !defined __ARCH_USE_MMU__
+# define fork vfork
+#endif
+
+int main(int argc, char *argv[]) {
+ int fd, status;
+ char buff[5];
+ char template[] = "/tmp/test-mkostemp.XXXXXX";
+
+ fd = mkostemp(template, O_CLOEXEC);
+ unlink(template);
+
+ snprintf(buff, 5, "%d", fd);
+
+ if(!fork())
+ if(execl("./test-mkostemp-child", "test-mkostemp-child", buff, NULL) == -1)
+ exit(EXIT_FAILURE);
+
+ wait(&status);
+
+ memset(buff, 0, 5);
+ lseek(fd, 0, SEEK_SET);
+ errno = 0;
+ if(read(fd, buff, 5) == -1)
+ exit(EXIT_FAILURE);
+
+ if(!strncmp(buff, "test", 5))
+ exit(EXIT_FAILURE);
+ else
+ exit(EXIT_SUCCESS);
+
+ close(fd);
+ exit(EXIT_SUCCESS);
+}
diff --git a/test/stdlib/test-mkostemp-child.c b/test/stdlib/test-mkostemp-child.c
new file mode 100644
index 000000000..708bd80a1
--- /dev/null
+++ b/test/stdlib/test-mkostemp-child.c
@@ -0,0 +1,22 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+int main(int argc, char *argv[]) {
+ int fd;
+
+ /* This file gets built and run as a test, but its
+ * really just a helper for test-mkostemp-O_CLOEXEC.c.
+ * So, we'll always return succcess.
+ */
+ if(argc != 2)
+ exit(EXIT_SUCCESS);
+
+ sscanf(argv[1], "%d", &fd);
+
+ if(write(fd, "test\0", 5) == -1)
+ ; /* Don't Panic! Failure is okay here. */
+
+ close(fd);
+ exit(EXIT_SUCCESS);
+}
generated by cgit v1.2.3 (git 2.46.0) at 2025-10-31 02:20:02 +0000