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Code Activity

* command.c (cmd_pkauth): New.

Browse source 
(cmd_setdata): Check whether data was given at all to avoid
passing 0 to malloc.

* app.c (app_auth): New.
* app-openpgp.c (do_auth): New.
This commit is contained in:
Werner Koch 2003-07-23 07:13:05 +00:00
parent fbdee01db9
commit b8becef1cf
10 changed files with 668 additions and 82 deletions
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70
scd/app.c
View file

@ -28,6 +28,7 @@
#include "scdaemon.h"
#include "app-common.h"
#include "apdu.h"
#include "iso7816.h"
/* The select the best fitting application and return a context.
Returns NULL if no application was found or no card is present. */
@ -157,6 +158,34 @@ app_sign (APP app, const char *keyidstr, int hashalgo,
return rc;
}
/* Create the signature using the INTERNAL AUTHENTICATE command and
return the allocated result in OUTDATA. If a PIN is required the
PINCB will be used to ask for the PIN; it should return the PIN in
an allocated buffer and put it into PIN. */
int
app_auth (APP app, const char *keyidstr,
int (pincb)(void*, const char *, char **),
void *pincb_arg,
const void *indata, size_t indatalen,
unsigned char **outdata, size_t *outdatalen )
{
int rc;
if (!app || !indata || !indatalen || !outdata || !outdatalen || !pincb)
return gpg_error (GPG_ERR_INV_VALUE);
if (!app->initialized)
return gpg_error (GPG_ERR_CARD_NOT_INITIALIZED);
if (!app->fnc.auth)
return gpg_error (GPG_ERR_UNSUPPORTED_OPERATION);
rc = app->fnc.auth (app, keyidstr,
pincb, pincb_arg,
indata, indatalen,
outdata, outdatalen);
if (opt.verbose)
log_info ("operation auth result: %s\n", gpg_strerror (rc));
return rc;
}
/* Decrypt the data in INDATA and return the allocated result in OUTDATA.
If a PIN is required the PINCB will be used to ask for the PIN; it
@ -206,3 +235,44 @@ app_genkey (APP app, CTRL ctrl, const char *keynostr, unsigned int flags,
return rc;
}
/* Perform a GET CHALLENGE operation. This fucntion is special as it
directly accesses the card without any application specific
wrapper. */
int
app_get_challenge (APP app, size_t nbytes, unsigned char *buffer)
{
if (!app || !nbytes || !buffer)
return gpg_error (GPG_ERR_INV_VALUE);
if (!app->initialized)
return gpg_error (GPG_ERR_CARD_NOT_INITIALIZED);
return iso7816_get_challenge (app->slot, nbytes, buffer);
}
/* Perform a CHANGE REFERENCE DATA or RESET RETRY COUNTER operation. */
int
app_change_pin (APP app, CTRL ctrl, const char *chvnostr, int reset_mode,
int (*pincb)(void*, const char *, char **),
void *pincb_arg)
{
int rc;
if (!app || !chvnostr || !*chvnostr || !pincb)
return gpg_error (GPG_ERR_INV_VALUE);
if (!app->initialized)
return gpg_error (GPG_ERR_CARD_NOT_INITIALIZED);
if (!app->fnc.change_pin)
return gpg_error (GPG_ERR_UNSUPPORTED_OPERATION);
rc = app->fnc.change_pin (app, ctrl, chvnostr, reset_mode, pincb, pincb_arg);
if (opt.verbose)
log_info ("operation change_pin result: %s\n", gpg_strerror (rc));
return rc;
}