X-Git-Url: http://git.annexia.org/?p=libguestfs.git;a=blobdiff_plain;f=daemon%2Fupload.c;h=d93a5ade9b996a2ab05bb7bd83c0a797fb0a6ddc;hp=0f737af2e06b70bf7b27373130fdf8585510e2be;hb=a84f1360499309e2d2ecb661adc6917539b5eef4;hpb=56bef498f46ac3dd580f4bde3c8f3ed2fe688826 diff --git a/daemon/upload.c b/daemon/upload.c index 0f737af..d93a5ad 100644 --- a/daemon/upload.c +++ b/daemon/upload.c @@ -1,5 +1,5 @@ /* libguestfs - the guestfsd daemon - * Copyright (C) 2009 Red Hat Inc. + * Copyright (C) 2009 Red Hat Inc. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -28,7 +28,7 @@ #include "actions.h" static int -write_cb (void *fd_ptr, const void *buf, int len) +write_cb (void *fd_ptr, const void *buf, size_t len) { int fd = *(int *)fd_ptr; return xwrite (fd, buf, len); @@ -36,18 +36,11 @@ write_cb (void *fd_ptr, const void *buf, int len) /* Has one FileIn parameter. */ int -do_upload (char *filename) +do_upload (const char *filename) { int err, fd, r, is_dev; - 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; - } - } + is_dev = STRPREFIX (filename, "/dev/"); if (!is_dev) CHROOT_IN; fd = open (filename, O_WRONLY|O_CREAT|O_TRUNC|O_NOCTTY, 0666); @@ -65,7 +58,7 @@ do_upload (char *filename) err = errno; cancel_receive (); errno = err; - reply_with_perror ("write: %s", filename); + reply_with_error ("write error: %s", filename); close (fd); return -1; } @@ -77,7 +70,8 @@ do_upload (char *filename) if (close (fd) == -1) { err = errno; - cancel_receive (); + if (r == -1) /* if r == 0, file transfer ended already */ + cancel_receive (); errno = err; reply_with_perror ("close: %s", filename); return -1; @@ -88,14 +82,12 @@ do_upload (char *filename) /* Has one FileOut parameter. */ int -do_download (char *filename) +do_download (const char *filename) { int fd, r, is_dev; char buf[GUESTFS_MAX_CHUNK_SIZE]; - NEED_ROOT_OR_IS_DEVICE (filename, -1); - - is_dev = strncmp (filename, "/dev/", 5) == 0; + is_dev = STRPREFIX (filename, "/dev/"); if (!is_dev) CHROOT_IN; fd = open (filename, O_RDONLY); @@ -131,6 +123,8 @@ do_download (char *filename) return -1; } - send_file_end (0); /* Normal end of file. */ + if (send_file_end (0)) /* Normal end of file. */ + return -1; + return 0; }