[Spice-devel] [PATCH libcacard] options: add use_hw=removable

[Marc-André Lureau]

On Fri, Aug 3, 2018 at 12:40 PM,  <marcandre.lureau at redhat.com> wrote:
> From: Marc-André Lureau <marcandre.lureau at redhat.com>
>
> use_hw=yes is used to specify that libcacard will lookup pkcs11 slots
> that are both removable & hardware.
>
> Let's specify that use_hw=removable will select removable slots
> (without hardware requirement).
>
> (use_hw= should eventually be changed/aliased to pk11_slots= or
> something else)
>

This is actually useful for the hwtests Jakub is adding, to avoid
having to patch the source in run-tests.sh, and be able to run "make
check" directly.

> Signed-off-by: Marc-André Lureau <marcandre.lureau at redhat.com>
> ---
>  src/vcard_emul_nss.c | 25 ++++++++++++++++++-------
>  1 file changed, 18 insertions(+), 7 deletions(-)
>
> diff --git a/src/vcard_emul_nss.c b/src/vcard_emul_nss.c
> index 8a56343..99da091 100644
> --- a/src/vcard_emul_nss.c
> +++ b/src/vcard_emul_nss.c
> @@ -77,13 +77,19 @@ struct VirtualReaderOptionsStruct {
>      int cert_count;
>  };
>
> +enum {
> +    USE_HW_NO,
> +    USE_HW_YES,
> +    USE_HW_REMOVABLE,
> +};
> +
>  struct VCardEmulOptionsStruct {
>      void *nss_db;
>      VirtualReaderOptions *vreader;
>      int vreader_count;
>      VCardEmulType hw_card_type;
>      const char *hw_type_params;
> -    PRBool use_hw;
> +    int use_hw;
>  };
>
>  static int nss_emul_init;
> @@ -811,7 +817,7 @@ static const VCardEmulOptions default_options = {
>      .vreader_count = 0,
>      .hw_card_type = VCARD_EMUL_CAC,
>      .hw_type_params = "",
> -    .use_hw = PR_TRUE
> +    .use_hw = USE_HW_YES,
>  };
>
>
> @@ -1037,7 +1043,8 @@ vcard_emul_init(const VCardEmulOptions *options)
>              PK11SlotInfo *slot = module->slots[i];
>
>              /* only map removable HW slots */
> -            if (slot == NULL || !PK11_IsRemovable(slot) || !PK11_IsHW(slot)) {
> +            if (slot == NULL || !PK11_IsRemovable(slot) ||
> +                (options->use_hw == USE_HW_YES && !PK11_IsHW(slot))) {
>                  continue;
>              }
>              if (strcmp("E-Gate 0 0", PK11_GetSlotName(slot)) == 0) {
> @@ -1235,9 +1242,12 @@ vcard_emul_options(const char *args)
>          } else if (strncmp(args, "use_hw=", 7) == 0) {
>              args = strip(args+7);
>              if (*args == '0' || *args == 'N' || *args == 'n' || *args == 'F') {
> -                opts->use_hw = PR_FALSE;
> +                opts->use_hw = USE_HW_NO;
> +            } else if (strncmp(args, "removable", 9) == 0) {
> +                opts->use_hw = USE_HW_REMOVABLE;
> +                args = strip(args+9);
>              } else {
> -                opts->use_hw = PR_TRUE;
> +                opts->use_hw = USE_HW_YES;
>              }
>              args = find_blank(args);
>          /* hw_type= */
> @@ -1352,7 +1362,7 @@ vcard_emul_usage(void)
>     fprintf(stderr,
>  "emul args: comma separated list of the following arguments\n"
>  " db={nss_database}               (default sql:/etc/pki/nssdb)\n"
> -" use_hw=[yes|no]                 (default yes)\n"
> +" use_hw=[yes|no|removable]       (default yes)\n"
>  " hw_type={card_type_to_emulate}  (default CAC)\n"
>  " hw_param={param_for_card}       (default \"\")\n"
>  " nssemul                         (alias for use_hw=yes, hw_type=CAC)\n"
> @@ -1373,7 +1383,8 @@ vcard_emul_usage(void)
>  "\n"
>  "Unless use_hw is set to no, all tokens that look like removable hardware\n"
>  "tokens will be presented to the guest using the emulator specified by\n"
> -"hw_type, and parameters of hw_param.\n"
> +"hw_type, and parameters of hw_param. If use_hw is set to 'removable', "
> +"present any removable token.\n"
>  "\n"
>  "If more one or more soft= parameters are specified, these readers will be\n"
>  "presented to the guest\n"
> --
> 2.18.0.321.gffc6fa0e39
>
> _______________________________________________
> Spice-devel mailing list
> Spice-devel at lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/spice-devel



-- 
Marc-André Lureau