ср, 10 апр. 2019 г. в 19:23, Ronnie Sahlberg <lsahlber@xxxxxxxxxx>:
>
> Signed-off-by: Ronnie Sahlberg <lsahlber@xxxxxxxxxx>
> ---
> smbinfo.c | 48 ++++++++++++++++++++++++++++++++++++++++++++++++
> smbinfo.rst | 2 ++
> 2 files changed, 50 insertions(+)
>
> diff --git a/smbinfo.c b/smbinfo.c
> index 4bc503a..db569b2 100644
> --- a/smbinfo.c
> +++ b/smbinfo.c
> @@ -87,6 +87,8 @@ usage(char *name)
> " Prints FileStandardInfo for a cifs file.\n"
> " fsctl-getobjid:\n"
> " Prints the objectid of the file and GUID of the underlying volume.\n"
> + " getcompression:\n"
> + " Prints the compression setting for the file.\n"
> " list-snapshots:\n"
> " List the previous versions of the volume that backs this file.\n"
> " quota:\n"
> @@ -243,6 +245,50 @@ fsctlgetobjid(int f)
> }
>
> static void
> +print_getcompression(uint8_t *sd)
> +{
> + uint16_t u16;
> +
> + memcpy(&u16, &sd[0], 2);
> + u16 = le16toh(u16);
> +
> + printf("Compression: ");
> + switch (u16) {
> + case 0:
> + printf("(0) NONE\n");
> + break;
> + case 2:
> + printf("(2) LZNT1\n");
> + break;
> + default:
> + printf("(%d) UNKNOWN\n", u16);
> + break;
> + }
> +}
> +
> +static void
> +getcompression(int f)
> +{
> + struct smb_query_info *qi;
> +
> + qi = malloc(sizeof(struct smb_query_info) + 2);
> + memset(qi, 0, sizeof(qi) + 2);
> + qi->info_type = 0x9003c;
> + qi->file_info_class = 0;
> + qi->additional_information = 0;
> + qi->input_buffer_length = 2;
> + qi->flags = PASSTHRU_FSCTL;
> +
> + if (ioctl(f, CIFS_QUERY_INFO, qi) < 0) {
> + fprintf(stderr, "ioctl failed with %s\n", strerror(errno));
> + exit(1);
> + }
> + print_getcompression((uint8_t *)(&qi[1]));
> +
> + free(qi);
> +}
> +
> +static void
> print_fileaccessinfo(uint8_t *sd, int type)
> {
> uint32_t access_flags;
> @@ -1118,6 +1164,8 @@ int main(int argc, char *argv[])
> filestandardinfo(f);
> else if (!strcmp(argv[optind], "fsctl-getobjid"))
> fsctlgetobjid(f);
> + else if (!strcmp(argv[optind], "getcompression"))
> + getcompression(f);
> else if (!strcmp(argv[optind], "list-snapshots"))
> list_snapshots(f);
> else if (!strcmp(argv[optind], "quota"))
> diff --git a/smbinfo.rst b/smbinfo.rst
> index 0c96050..ca99b07 100644
> --- a/smbinfo.rst
> +++ b/smbinfo.rst
> @@ -64,6 +64,8 @@ COMMAND
>
> `fsctl-getobjid`: Prints the ObjectID
>
> +`getcompression`: Prints the compression setting for the file.
> +
> `list-snapshots`: Lists the previous versions of the volume that backs this file
>
> `quota`: Print the quota for the volume in the form
> --
> 2.13.6
>
Merged into "next" branch. Thanks.
--
Best regards,
Pavel Shilovsky
