{
int fd;
+ /* This call is deprecated, and it has a broken interface. New code
+ * should use the 'guestfs_write' call instead. Because we used an
+ * XDR string type, 'content' cannot contain ASCII NUL and 'size'
+ * must never be longer than the string. We must check this to
+ * ensure random stuff from XDR or daemon memory isn't written to
+ * the file (RHBZ#597135).
+ */
+ if (size < 0) {
+ reply_with_error ("size cannot be negative");
+ return -1;
+ }
+
+ /* Note content_len must be small because of the limits on protocol
+ * message size.
+ */
+ int content_len = (int) strlen (content);
+
if (size == 0)
- size = strlen (content);
+ size = content_len;
+ else if (size > content_len) {
+ reply_with_error ("size parameter is larger than string content");
+ return -1;
+ }
+
+ CHROOT_IN;
+ fd = open (path, O_WRONLY | O_TRUNC | O_CREAT | O_NOCTTY, 0666);
+ CHROOT_OUT;
+
+ if (fd == -1) {
+ reply_with_perror ("open: %s", path);
+ return -1;
+ }
+
+ if (xwrite (fd, content, size) == -1) {
+ reply_with_perror ("write");
+ close (fd);
+ return -1;
+ }
+
+ if (close (fd) == -1) {
+ reply_with_perror ("close: %s", path);
+ return -1;
+ }
+
+ return 0;
+}
+
+int
+do_write (const char *path, const char *content, size_t size)
+{
+ int fd;
CHROOT_IN;
fd = open (path, O_WRONLY | O_TRUNC | O_CREAT | O_NOCTTY, 0666);
return buf;
}
+int
+do_pwrite (const char *path, const char *content, size_t size, int64_t offset)
+{
+ int fd;
+ ssize_t r;
+
+ CHROOT_IN;
+ fd = open (path, O_WRONLY);
+ CHROOT_OUT;
+
+ if (fd == -1) {
+ reply_with_perror ("open: %s", path);
+ return -1;
+ }
+
+ r = pwrite (fd, content, size, offset);
+ if (r == -1) {
+ reply_with_perror ("pwrite: %s", path);
+ close (fd);
+ return -1;
+ }
+
+ if (close (fd) == -1) {
+ reply_with_perror ("close: %s", path);
+ close (fd);
+ return -1;
+ }
+
+ return r;
+}
+
/* This runs the 'file' command. */
char *
do_file (const char *path)