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author | Richard Jones <rjones@redhat.com> | 2009-04-20 14:58:36 +0100 |
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committer | Richard Jones <rjones@redhat.com> | 2009-04-20 14:58:36 +0100 |
commit | feb188d27787c595f12507ce5bff5431c4932523 (patch) | |
tree | 0cea11090462e88579dab27a8596dba7da8ec68a /daemon/upload.c | |
parent | 4ce2b7b7fb949f584e4ad4b9d18121459be34a6a (diff) | |
download | libguestfs-feb188d27787c595f12507ce5bff5431c4932523.tar.gz libguestfs-feb188d27787c595f12507ce5bff5431c4932523.tar.xz libguestfs-feb188d27787c595f12507ce5bff5431c4932523.zip |
Some fixes to daemon upload command:
- don't leak the file descriptor along error paths
- can't use those macros in FileIn functions
Diffstat (limited to 'daemon/upload.c')
-rw-r--r-- | daemon/upload.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/daemon/upload.c b/daemon/upload.c index b4576950..41b1bf2d 100644 --- a/daemon/upload.c +++ b/daemon/upload.c @@ -40,9 +40,14 @@ do_upload (const char *filename) { int err, fd, r, is_dev; - NEED_ROOT_OR_IS_DEVICE (filename, -1); - is_dev = strncmp (filename, "/dev/", 5) == 0; + if (!is_dev) { + if (!root_mounted || filename[0] != '/') { + cancel_receive (); + reply_with_error ("upload: root must be mounted and path must be absolute"); + return -1; + } + } if (!is_dev) CHROOT_IN; fd = open (filename, O_WRONLY|O_CREAT|O_TRUNC|O_NOCTTY, 0666); @@ -61,6 +66,7 @@ do_upload (const char *filename) cancel_receive (); errno = err; reply_with_perror ("write: %s", filename); + close (fd); return -1; } if (r == -2) { /* cancellation from library */ @@ -106,13 +112,16 @@ do_download (const char *filename) reply (NULL, NULL); while ((r = read (fd, buf, sizeof buf)) > 0) { - if (send_file_write (buf, r) < 0) + if (send_file_write (buf, r) < 0) { + close (fd); return -1; + } } if (r == -1) { perror (filename); send_file_end (1); /* Cancel. */ + close (fd); return -1; } |