opensc/src/pkcs15init/profile.c

2454 lines
57 KiB
C

/*
* Initialize Cards according to PKCS#15
*
* Copyright (C) 2002 Olaf Kirch <okir@suse.de>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Random notes
* - the "key" command should go away, it's obsolete
*/
#include "config.h"
#include <stdio.h>
#include <ctype.h>
#include <stdarg.h>
#include <string.h>
#include <limits.h>
#ifdef HAVE_STRINGS_H
#include <strings.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <assert.h>
#include <stdlib.h>
#ifdef _WIN32
#include <windows.h>
#include <winreg.h>
#endif
#include "common/compat_strlcpy.h"
#include "scconf/scconf.h"
#include "libopensc/log.h"
#include "libopensc/pkcs15.h"
#include "pkcs15-init.h"
#include "profile.h"
#define DEF_PRKEY_RSA_ACCESS 0x1D
#define DEF_PRKEY_DSA_ACCESS 0x12
#define DEF_PUBKEY_ACCESS 0x12
#define TEMPLATE_FILEID_MIN_DIFF 0x20
/*
#define DEBUG_PROFILE
*/
/*
* Parser state
*/
struct state {
struct state * frame;
const char * filename;
struct sc_profile * profile;
struct file_info * file;
struct pin_info * pin;
struct auth_info * key;
};
struct command {
const char * name;
int min_args, max_args;
int (*func)(struct state *, int, char **);
};
struct block {
const char * name;
int (*handler)(struct state *,
struct block *,
const char *,
scconf_block *);
struct command * cmd_info;
struct block * blk_info;
};
struct map {
const char * name;
unsigned int val;
};
static struct map aclNames[] = {
{ "NONE", SC_AC_NONE },
{ "NEVER", SC_AC_NEVER },
{ "CHV", SC_AC_CHV },
{ "TERM", SC_AC_TERM },
{ "PRO", SC_AC_PRO },
{ "AUT", SC_AC_AUT },
{ "KEY", SC_AC_AUT },
{ "SEN", SC_AC_SEN },
{ "IDA", SC_AC_IDA },
{ "SCB", SC_AC_SCB },
{ NULL, 0 }
};
static struct map fileOpNames[] = {
{ "SELECT", SC_AC_OP_SELECT },
{ "LOCK", SC_AC_OP_LOCK },
{ "DELETE", SC_AC_OP_DELETE },
{ "DELETE-SELF",SC_AC_OP_DELETE_SELF },
{ "CREATE", SC_AC_OP_CREATE },
{ "CREATE-EF", SC_AC_OP_CREATE_EF },
{ "CREATE-DF", SC_AC_OP_CREATE_DF },
{ "REHABILITATE",SC_AC_OP_REHABILITATE },
{ "INVALIDATE", SC_AC_OP_INVALIDATE },
{ "FILES", SC_AC_OP_LIST_FILES },
{ "READ", SC_AC_OP_READ },
{ "UPDATE", SC_AC_OP_UPDATE },
{ "WRITE", SC_AC_OP_WRITE },
{ "ERASE", SC_AC_OP_ERASE },
{ "CRYPTO", SC_AC_OP_CRYPTO },
{ "PIN-DEFINE", SC_AC_OP_PIN_DEFINE },
{ "PIN-CHANGE", SC_AC_OP_PIN_CHANGE },
{ "PIN-RESET", SC_AC_OP_PIN_RESET },
{ "PIN-USE", SC_AC_OP_PIN_USE },
{ "GENERATE", SC_AC_OP_GENERATE },
{ "PSO-COMPUTE-SIGNATURE", SC_AC_OP_PSO_COMPUTE_SIGNATURE },
{ "INTERNAL-AUTHENTICATE", SC_AC_OP_INTERNAL_AUTHENTICATE },
{ "PSO-DECRYPT", SC_AC_OP_PSO_DECRYPT },
{ "RESIZE", SC_AC_OP_RESIZE },
{ "ADMIN", SC_AC_OP_ADMIN },
{ "ACTIVATE", SC_AC_OP_ACTIVATE },
{ "DEACTIVATE", SC_AC_OP_DEACTIVATE },
{ NULL, 0 }
};
static struct map fileTypeNames[] = {
{ "EF", SC_FILE_TYPE_WORKING_EF },
{ "INTERNAL-EF",SC_FILE_TYPE_INTERNAL_EF },
{ "DF", SC_FILE_TYPE_DF },
{ "BSO", SC_FILE_TYPE_BSO },
{ NULL, 0 }
};
static struct map fileStructureNames[] = {
{ "TRANSPARENT", SC_FILE_EF_TRANSPARENT },
{ "LINEAR-FIXED", SC_FILE_EF_LINEAR_FIXED },
{ "LINEAR-FIXED-TLV", SC_FILE_EF_LINEAR_FIXED_TLV },
{ "LINEAR-VARIABLE", SC_FILE_EF_LINEAR_VARIABLE },
{ "LINEAR-VARIABLE-TLV",SC_FILE_EF_LINEAR_VARIABLE_TLV },
{ "CYCLIC", SC_FILE_EF_CYCLIC },
{ "CYCLIC-TLV", SC_FILE_EF_CYCLIC_TLV },
{ NULL, 0 }
};
static struct map pkcs15DfNames[] = {
{ "PRKDF", SC_PKCS15_PRKDF },
{ "PUKDF", SC_PKCS15_PUKDF },
{ "PUKDF-TRUSTED", SC_PKCS15_PUKDF_TRUSTED },
{ "SKDF", SC_PKCS15_SKDF },
{ "CDF", SC_PKCS15_CDF },
{ "CDF-TRUSTED", SC_PKCS15_CDF_TRUSTED },
{ "CDF-USEFUL", SC_PKCS15_CDF_USEFUL },
{ "DODF", SC_PKCS15_DODF },
{ "AODF", SC_PKCS15_AODF },
{ NULL, 0 }
};
static struct map pinTypeNames[] = {
{ "BCD", SC_PKCS15_PIN_TYPE_BCD },
{ "ascii-numeric", SC_PKCS15_PIN_TYPE_ASCII_NUMERIC },
{ "utf8", SC_PKCS15_PIN_TYPE_UTF8 },
{ "half-nibble-bcd", SC_PKCS15_PIN_TYPE_HALFNIBBLE_BCD },
{ "iso9564-1", SC_PKCS15_PIN_TYPE_ISO9564_1 },
{ NULL, 0 }
};
static struct map pinIdNames[] = {
{ "pin", SC_PKCS15INIT_USER_PIN },
{ "puk", SC_PKCS15INIT_USER_PUK },
{ "user-pin", SC_PKCS15INIT_USER_PIN },
{ "user-puk", SC_PKCS15INIT_USER_PUK },
{ "sopin", SC_PKCS15INIT_SO_PIN },
{ "sopuk", SC_PKCS15INIT_SO_PUK },
{ "so-pin", SC_PKCS15INIT_SO_PIN },
{ "so-puk", SC_PKCS15INIT_SO_PUK },
{ NULL, 0 }
};
static struct map pinFlagNames[] = {
{ "case-sensitive", SC_PKCS15_PIN_FLAG_CASE_SENSITIVE },
{ "local", SC_PKCS15_PIN_FLAG_LOCAL },
{ "change-disabled", SC_PKCS15_PIN_FLAG_CHANGE_DISABLED },
{ "unblock-disabled", SC_PKCS15_PIN_FLAG_UNBLOCK_DISABLED },
{ "initialized", SC_PKCS15_PIN_FLAG_INITIALIZED },
{ "needs-padding", SC_PKCS15_PIN_FLAG_NEEDS_PADDING },
{ "unblockingPin", SC_PKCS15_PIN_FLAG_UNBLOCKING_PIN },
{ "soPin", SC_PKCS15_PIN_FLAG_SO_PIN },
{ "disable-allowed", SC_PKCS15_PIN_FLAG_DISABLE_ALLOW },
{ "integrity-protected", SC_PKCS15_PIN_FLAG_INTEGRITY_PROTECTED },
{ "confidentiality-protected", SC_PKCS15_PIN_FLAG_CONFIDENTIALITY_PROTECTED },
{ "exchangeRefData", SC_PKCS15_PIN_FLAG_EXCHANGE_REF_DATA },
{ NULL, 0 }
};
static struct map idStyleNames[] = {
{ "native", SC_PKCS15INIT_ID_STYLE_NATIVE },
{ "mozilla", SC_PKCS15INIT_ID_STYLE_MOZILLA },
{ "rfc2459", SC_PKCS15INIT_ID_STYLE_RFC2459 },
{ NULL, 0 }
};
static struct map mdStyleNames[] = {
{ "none", SC_PKCS15INIT_MD_STYLE_NONE },
{ "gemalto", SC_PKCS15INIT_MD_STYLE_GEMALTO },
{ NULL, 0 }
};
static struct {
const char * name;
struct map * addr;
} mapNames[] = {
{ "file ACL", aclNames },
{ "file operation", fileOpNames },
{ "file type", fileTypeNames },
{ "file structure", fileStructureNames},
{ "PKCS#15 file name", pkcs15DfNames },
{ "pin encoding", pinTypeNames },
{ "pin name", pinIdNames },
{ "pin flag", pinFlagNames },
{ NULL, NULL }
};
static int process_conf(struct sc_profile *, scconf_context *);
static int process_block(struct state *, struct block *,
const char *, scconf_block *);
static void init_state(struct state *, struct state *);
static int get_authid(struct state *, const char *,
unsigned int *, unsigned int *);
static int get_uint(struct state *, const char *, unsigned int *);
static int get_bool(struct state *, const char *, unsigned int *);
static int get_uint_eval(struct state *, int, char **,
unsigned int *);
static int map_str2int(struct state *, const char *,
unsigned int *, struct map *);
static int setstr(char **strp, const char *value);
static void parse_error(struct state *, const char *, ...);
static struct file_info * sc_profile_instantiate_file(sc_profile_t *,
struct file_info *, struct file_info *,
unsigned int);
static struct file_info * sc_profile_find_file(struct sc_profile *,
const sc_path_t *, const char *);
static struct file_info * sc_profile_find_file_by_path(
struct sc_profile *,
const sc_path_t *);
static struct pin_info * new_pin(struct sc_profile *, int);
static struct file_info * new_file(struct state *, const char *,
unsigned int);
static struct file_info * add_file(sc_profile_t *, const char *,
sc_file_t *, struct file_info *);
static void free_file_list(struct file_info **);
static void append_file(sc_profile_t *, struct file_info *);
static struct auth_info * new_key(struct sc_profile *,
unsigned int, unsigned int);
static void set_pin_defaults(struct sc_profile *,
struct pin_info *);
static void new_macro(sc_profile_t *, const char *, scconf_list *);
static sc_macro_t * find_macro(sc_profile_t *, const char *);
static sc_file_t *
init_file(unsigned int type)
{
struct sc_file *file;
unsigned int op;
file = sc_file_new();
for (op = 0; op < SC_MAX_AC_OPS; op++) {
sc_file_add_acl_entry(file, op, SC_AC_NONE, 0);
}
file->type = type;
file->status = SC_FILE_STATUS_ACTIVATED;
if (file->type != SC_FILE_TYPE_DF && file->type != SC_FILE_TYPE_BSO)
file->ef_structure = SC_FILE_EF_TRANSPARENT;
return file;
}
/*
* Initialize profile
*/
struct sc_profile *
sc_profile_new(void)
{
struct sc_pkcs15_card *p15card;
struct sc_profile *pro;
pro = calloc(1, sizeof(*pro));
if (pro == NULL)
return NULL;
pro->p15_spec = p15card = sc_pkcs15_card_new();
pro->pkcs15.do_last_update = 1;
if (p15card) {
p15card->tokeninfo->label = strdup("OpenSC Card");
p15card->tokeninfo->manufacturer_id = strdup("OpenSC Project");
p15card->tokeninfo->serial_number = strdup("0000");
p15card->tokeninfo->flags = SC_PKCS15_TOKEN_EID_COMPLIANT;
p15card->tokeninfo->version = 0;
/* Set up EF(TokenInfo) and EF(ODF) */
p15card->file_tokeninfo = init_file(SC_FILE_TYPE_WORKING_EF);
p15card->file_odf = init_file(SC_FILE_TYPE_WORKING_EF);
p15card->file_unusedspace = init_file(SC_FILE_TYPE_WORKING_EF);
}
/* Assume card does RSA natively, but no DSA */
pro->rsa_access_flags = DEF_PRKEY_RSA_ACCESS;
pro->dsa_access_flags = DEF_PRKEY_DSA_ACCESS;
pro->pin_encoding = SC_PKCS15_PIN_TYPE_ASCII_NUMERIC;
pro->pin_minlen = 4;
pro->pin_maxlen = 8;
pro->id_style = SC_PKCS15INIT_ID_STYLE_NATIVE;
return pro;
}
int
sc_profile_load(struct sc_profile *profile, const char *filename)
{
struct sc_context *ctx = profile->card->ctx;
scconf_context *conf;
const char *profile_dir = NULL;
char path[PATH_MAX];
int res = 0, i;
#ifdef _WIN32
char temp_path[PATH_MAX];
size_t temp_len;
#endif
LOG_FUNC_CALLED(ctx);
for (i = 0; ctx->conf_blocks[i]; i++) {
profile_dir = scconf_get_str(ctx->conf_blocks[i], "profile_dir", NULL);
if (profile_dir)
break;
}
if (!profile_dir) {
#ifdef _WIN32
temp_len = PATH_MAX - 1;
res = sc_ctx_win32_get_config_value(NULL, "ProfileDir", "Software\\OpenSC Project\\OpenSC",
temp_path, &temp_len);
if (res)
LOG_FUNC_RETURN(ctx, res);
temp_path[temp_len] = '\0';
profile_dir = temp_path;
#else
profile_dir = SC_PKCS15_PROFILE_DIRECTORY;
#endif
}
sc_log(ctx, "Using profile directory '%s'.", profile_dir);
#ifdef _WIN32
snprintf(path, sizeof(path), "%s\\%s.%s", profile_dir, filename, SC_PKCS15_PROFILE_SUFFIX);
#else /* _WIN32 */
snprintf(path, sizeof(path), "%s/%s.%s", profile_dir, filename, SC_PKCS15_PROFILE_SUFFIX);
#endif /* _WIN32 */
sc_log(ctx, "Trying profile file %s", path);
conf = scconf_new(path);
res = scconf_parse(conf);
sc_log(ctx, "profile %s loaded ok", path);
if (res < 0) {
scconf_free(conf);
LOG_FUNC_RETURN(ctx, SC_ERROR_FILE_NOT_FOUND);
}
if (res == 0) {
scconf_free(conf);
LOG_FUNC_RETURN(ctx, SC_ERROR_SYNTAX_ERROR);
}
res = process_conf(profile, conf);
scconf_free(conf);
LOG_FUNC_RETURN(ctx, res);
}
int
sc_profile_finish(struct sc_profile *profile, const struct sc_app_info *app_info)
{
struct sc_context *ctx = profile->card->ctx;
struct file_info *fi;
struct pin_info *pi;
char reason[64];
LOG_FUNC_CALLED(ctx);
profile->mf_info = sc_profile_find_file(profile, NULL, "MF");
if (!profile->mf_info)
LOG_TEST_RET(ctx, SC_ERROR_INCONSISTENT_PROFILE, "Profile doesn't define a MF");
if (app_info && app_info->aid.len) {
struct sc_path path;
sc_log(ctx, "finish profile with '%s' application profile", app_info->label);
memset(&path, 0, sizeof(struct sc_path));
path.type = SC_PATH_TYPE_DF_NAME;
path.aid = app_info->aid;
sc_log(ctx, "Look for file by path '%s'", sc_print_path(&path));
profile->df_info = sc_profile_find_file_by_path(profile, &path);
sc_log(ctx, "returned DF info %p", profile->df_info);
if (profile->df_info && profile->df_info->profile_extension) {
sc_log(ctx, "application profile extension '%s'", profile->df_info->profile_extension);
if (sc_profile_load(profile, profile->df_info->profile_extension))
LOG_TEST_RET(ctx, SC_ERROR_INCONSISTENT_PROFILE, "Cannot load application profile extension");
}
}
profile->df_info = sc_profile_find_file(profile, NULL, "PKCS15-AppDF");
if (!profile->df_info)
LOG_TEST_RET(ctx, SC_ERROR_INCONSISTENT_PROFILE, "Profile doesn't define a PKCS15-AppDF");
profile->p15_spec->file_app = profile->df_info->file;
profile->df_info->dont_free = 1;
for (pi = profile->pin_list; pi; pi = pi->next) {
const char *name;
set_pin_defaults(profile, pi);
if (!(name = pi->file_name))
continue;
if (!(fi = sc_profile_find_file(profile, NULL, name))) {
snprintf(reason, sizeof(reason), "unknown PIN file \"%s\"\n", name);
goto whine;
}
pi->file = fi;
}
LOG_FUNC_RETURN(ctx, SC_SUCCESS);
whine:
sc_log(ctx, "%s", reason);
LOG_FUNC_RETURN(ctx, SC_ERROR_INCONSISTENT_PROFILE);
}
void
sc_profile_free(struct sc_profile *profile)
{
struct auth_info *ai;
struct pin_info *pi;
sc_macro_t *mi;
sc_template_t *ti;
if (profile->name)
free(profile->name);
free_file_list(&profile->ef_list);
while ((ai = profile->auth_list) != NULL) {
profile->auth_list = ai->next;
free(ai);
}
while ((ti = profile->template_list) != NULL) {
profile->template_list = ti->next;
if (ti->data)
sc_profile_free(ti->data);
if (ti->name)
free(ti->name);
free(ti);
}
while ((mi = profile->macro_list) != NULL) {
profile->macro_list = mi->next;
if (mi->name)
free(mi->name);
free(mi);
}
while ((pi = profile->pin_list) != NULL) {
profile->pin_list = pi->next;
if (pi->file_name)
free(pi->file_name);
free(pi);
}
if (profile->p15_spec)
sc_pkcs15_card_free(profile->p15_spec);
free(profile);
}
void
sc_profile_get_pin_info(struct sc_profile *profile,
int id, struct sc_pkcs15_auth_info *info)
{
struct pin_info *pi;
pi = new_pin(profile, id);
if (pi == NULL)
return;
pi->pin.max_tries = pi->pin.tries_left;
*info = pi->pin;
}
int
sc_profile_get_pin_retries(sc_profile_t *profile, int id)
{
struct pin_info *pi;
pi = new_pin(profile, id);
if (pi == NULL)
return SC_ERROR_OUT_OF_MEMORY;
return pi->pin.tries_left;
}
int
sc_profile_get_pin_id(struct sc_profile *profile,
unsigned int reference, int *id)
{
struct pin_info *pi;
for (pi = profile->pin_list; pi; pi = pi->next) {
if (pi->pin.auth_type != SC_PKCS15_PIN_AUTH_TYPE_PIN)
continue;
if (pi->pin.attrs.pin.reference == (int)reference) {
*id = pi->id;
return 0;
}
}
return SC_ERROR_OBJECT_NOT_FOUND;
}
int
sc_profile_get_file_in(sc_profile_t *profile,
const sc_path_t *path, const char *name, sc_file_t **ret)
{
struct file_info *fi;
if ((fi = sc_profile_find_file(profile, path, name)) == NULL)
return SC_ERROR_FILE_NOT_FOUND;
sc_file_dup(ret, fi->file);
if (*ret == NULL)
return SC_ERROR_OUT_OF_MEMORY;
return 0;
}
int
sc_profile_get_file(struct sc_profile *profile,
const char *name, sc_file_t **ret)
{
struct file_info *fi;
if ((fi = sc_profile_find_file(profile, NULL, name)) == NULL)
return SC_ERROR_FILE_NOT_FOUND;
sc_file_dup(ret, fi->file);
if (*ret == NULL)
return SC_ERROR_OUT_OF_MEMORY;
return 0;
}
int
sc_profile_get_file_instance(struct sc_profile *profile, const char *name,
int index, sc_file_t **ret)
{
struct sc_context *ctx = profile->card->ctx;
struct file_info *fi;
struct sc_file *file;
int r;
LOG_FUNC_CALLED(ctx);
sc_log(ctx, "try to get '%s' file instance", name);
if ((fi = sc_profile_find_file(profile, NULL, name)) == NULL)
LOG_FUNC_RETURN(ctx, SC_ERROR_FILE_NOT_FOUND);
sc_file_dup(&file, fi->file);
sc_log(ctx, "ident '%s'; parent '%s'", fi->ident, fi->parent->ident);
if (file == NULL)
LOG_FUNC_RETURN(ctx, SC_ERROR_OUT_OF_MEMORY);
sc_log(ctx, "file (type:%X, path:'%s')", file->type, sc_print_path(&file->path));
file->id += index;
if(file->type == SC_FILE_TYPE_BSO) {
r = sc_profile_add_file(profile, name, file);
if (r < 0)
sc_file_free(file);
LOG_TEST_RET(ctx, r, "Profile error: cannot add BSO file");
}
else if (file->path.len) {
file->path.value[file->path.len - 2] = (file->id >> 8) & 0xFF;
file->path.value[file->path.len - 1] = file->id & 0xFF;
r = sc_profile_add_file(profile, name, file);
if (r < 0)
sc_file_free(file);
LOG_TEST_RET(ctx, r, "Profile error: cannot add file");
}
if (ret)
*ret = file;
else
sc_file_free(file);
LOG_FUNC_RETURN(ctx, SC_SUCCESS);
}
int
sc_profile_get_path(struct sc_profile *profile,
const char *name, sc_path_t *ret)
{
struct file_info *fi;
if ((fi = sc_profile_find_file(profile, NULL, name)) == NULL)
return SC_ERROR_FILE_NOT_FOUND;
*ret = fi->file->path;
return 0;
}
int
sc_profile_get_file_by_path(struct sc_profile *profile,
const sc_path_t *path, sc_file_t **ret)
{
struct sc_context *ctx = profile->card->ctx;
struct file_info *fi;
LOG_FUNC_CALLED(ctx);
if ((fi = sc_profile_find_file_by_path(profile, path)) == NULL)
LOG_FUNC_RETURN(ctx, SC_ERROR_FILE_NOT_FOUND);
sc_file_dup(ret, fi->file);
LOG_FUNC_RETURN(ctx, *ret ? SC_SUCCESS : SC_ERROR_OUT_OF_MEMORY);
}
int
sc_profile_add_file(sc_profile_t *profile, const char *name, sc_file_t *file)
{
struct sc_context *ctx = profile->card->ctx;
sc_path_t path = file->path;
struct file_info *parent;
LOG_FUNC_CALLED(ctx);
if (!path.len) {
parent = profile->df_info;
}
else {
path.len -= 2;
parent = sc_profile_find_file_by_path(profile, &path);
}
if (!parent)
LOG_FUNC_RETURN(ctx, SC_ERROR_FILE_NOT_FOUND);
sc_log(ctx, "Parent path:%s", sc_print_path(&parent->file->path));
sc_file_dup(&file, file);
if (file == NULL)
LOG_FUNC_RETURN(ctx, SC_ERROR_OUT_OF_MEMORY);
add_file(profile, name, file, parent);
LOG_FUNC_RETURN(ctx, SC_SUCCESS);
}
/*
* Instantiate template
*/
int
sc_profile_instantiate_template(sc_profile_t *profile,
const char *template_name, const sc_path_t *base_path,
const char *file_name, const sc_pkcs15_id_t *id,
sc_file_t **ret)
{
struct sc_context *ctx = profile->card->ctx;
struct sc_profile *tmpl;
struct sc_template *info;
unsigned int idx;
struct file_info *fi, *base_file, *match = NULL;
#ifdef DEBUG_PROFILE
printf("Instantiate %s in template %s\n", file_name, template_name);
sc_profile_find_file_by_path(profile, base_path);
#endif
for (info = profile->template_list; info; info = info->next)
if (!strcmp(info->name, template_name))
break;
if (info == NULL) {
sc_log(ctx, "Template %s not found", template_name);
return SC_ERROR_TEMPLATE_NOT_FOUND;
}
tmpl = info->data;
idx = id->value[id->len-1];
for (fi = profile->ef_list; fi; fi = fi->next) {
if (fi->base_template == tmpl
&& fi->inst_index == idx
&& sc_compare_path(&fi->inst_path, base_path)
&& !strcmp(fi->ident, file_name)) {
sc_file_dup(ret, fi->file);
if (*ret == NULL)
return SC_ERROR_OUT_OF_MEMORY;
return 0;
}
}
sc_log(ctx, "Instantiating template %s at %s", template_name, sc_print_path(base_path));
base_file = sc_profile_find_file_by_path(profile, base_path);
if (base_file == NULL) {
sc_log(ctx, "Directory %s not defined in profile", sc_print_path(base_path));
return SC_ERROR_OBJECT_NOT_FOUND;
}
/* This loop relies on the fact that new files are always
* appended to the list, after the parent files they refer to
*/
assert(base_file->instance);
for (fi = tmpl->ef_list; fi; fi = fi->next) {
struct file_info *parent, *instance;
unsigned int skew = 0;
fi->instance = NULL;
if ((parent = fi->parent) == NULL) {
parent = base_file;
skew = idx;
}
parent = parent->instance;
instance = sc_profile_instantiate_file(profile, fi, parent, skew);
if (instance == NULL)
return SC_ERROR_OUT_OF_MEMORY;
instance->base_template = tmpl;
instance->inst_index = idx;
instance->inst_path = *base_path;
if (!strcmp(instance->ident, file_name))
match = instance;
}
if (match == NULL) {
sc_log(ctx, "No file named \"%s\" in template \"%s\"",
file_name, template_name);
return SC_ERROR_OBJECT_NOT_FOUND;
}
sc_file_dup(ret, match->file);
if (*ret == NULL)
return SC_ERROR_OUT_OF_MEMORY;
#ifdef DEBUG_PROFILE
printf("Template instantiated\n");
#endif
return 0;
}
static struct file_info *
sc_profile_instantiate_file(sc_profile_t *profile, struct file_info *ft,
struct file_info *parent, unsigned int skew)
{
struct sc_context *ctx = profile->card->ctx;
struct file_info *fi;
fi = calloc(1, sizeof(*fi));
if (fi == NULL)
return NULL;
fi->instance = fi;
fi->parent = parent;
fi->ident = strdup(ft->ident);
if (fi->ident == NULL) {
free(fi);
return NULL;
}
sc_file_dup(&fi->file, ft->file);
if (fi->file == NULL) {
free(fi->ident);
free(fi);
return NULL;
}
fi->file->path = parent->file->path;
fi->file->id += skew;
if (fi->file->type == SC_FILE_TYPE_INTERNAL_EF
|| fi->file->type == SC_FILE_TYPE_WORKING_EF
|| (fi->file->type == SC_FILE_TYPE_DF && fi->file->id))
sc_append_file_id(&fi->file->path, fi->file->id);
append_file(profile, fi);
ft->instance = fi;
sc_log(ctx, "Instantiated %s at %s", ft->ident, sc_print_path(&fi->file->path));
sc_log(ctx, " parent=%s@%s", parent->ident, sc_print_path(&parent->file->path));
return fi;
}
int
sc_profile_get_pin_id_by_reference(struct sc_profile *profile,
unsigned auth_method, int reference,
struct sc_pkcs15_auth_info *auth_info)
{
struct pin_info *pinfo;
for (pinfo = profile->pin_list; pinfo; pinfo = pinfo->next) {
if (auth_method == SC_AC_SYMBOLIC) {
if (pinfo->id != reference)
continue;
}
else {
if (pinfo->pin.auth_type != SC_PKCS15_PIN_AUTH_TYPE_PIN)
continue;
if (pinfo->pin.auth_method != auth_method)
continue;
if (pinfo->pin.attrs.pin.reference != reference)
continue;
}
if (auth_info)
*auth_info = pinfo->pin;
return pinfo->id;
}
return -1;
}
/*
* Configuration file parser
*/
static void
init_state(struct state *cur_state, struct state *new_state)
{
memset(new_state, 0, sizeof(*new_state));
new_state->filename = cur_state->filename;
new_state->profile = cur_state->profile;
new_state->frame = cur_state;
}
static int
do_card_driver(struct state *cur, int argc, char **argv)
{
cur->profile->driver = strdup(argv[0]);
return 0;
}
static int
do_maxpinlength(struct state *cur, int argc, char **argv)
{
return get_uint(cur, argv[0], &cur->profile->pin_maxlen);
}
static int
do_minpinlength(struct state *cur, int argc, char **argv)
{
return get_uint(cur, argv[0], &cur->profile->pin_minlen);
}
static int
do_default_pin_type(struct state *cur, int argc, char **argv)
{
return map_str2int(cur, argv[0],
&cur->profile->pin_encoding, pinTypeNames);
}
static int
do_pin_pad_char(struct state *cur, int argc, char **argv)
{
return get_uint(cur, argv[0], &cur->profile->pin_pad_char);
}
static int
do_pin_domains(struct state *cur, int argc, char **argv)
{
return get_bool(cur, argv[0], &cur->profile->pin_domains);
}
static int
do_card_label(struct state *cur, int argc, char **argv)
{
struct sc_pkcs15_card *p15card = cur->profile->p15_spec;
return setstr(&p15card->tokeninfo->label, argv[0]);
}
static int
do_card_manufacturer(struct state *cur, int argc, char **argv)
{
struct sc_pkcs15_card *p15card = cur->profile->p15_spec;
return setstr(&p15card->tokeninfo->manufacturer_id, argv[0]);
}
/*
* Command related to the pkcs15 we generate
*/
static int
do_direct_certificates(struct state *cur, int argc, char **argv)
{
return get_bool(cur, argv[0], &cur->profile->pkcs15.direct_certificates);
}
static int
do_encode_df_length(struct state *cur, int argc, char **argv)
{
return get_bool(cur, argv[0], &cur->profile->pkcs15.encode_df_length);
}
static int
do_encode_update_field(struct state *cur, int argc, char **argv)
{
return get_bool(cur, argv[0], &cur->profile->pkcs15.do_last_update);
}
static int
do_pkcs15_id_style(struct state *cur, int argc, char **argv)
{
return map_str2int(cur, argv[0], &cur->profile->id_style, idStyleNames);
}
static int
do_minidriver_support_style(struct state *cur, int argc, char **argv)
{
return map_str2int(cur, argv[0], &cur->profile->md_style, mdStyleNames);
}
/*
* Process an option block
*/
static int
process_option(struct state *cur, struct block *info,
const char *name, scconf_block *blk)
{
sc_profile_t *profile = cur->profile;
int match = 0, i;
for (i = 0; profile->options[i]; i++)
match |= !strcmp(profile->options[i], name);
if (!match && strcmp("default", name))
return 0;
return process_block(cur, info, name, blk);
}
/*
* Process a key block
*/
static int
process_key(struct state *cur, struct block *info,
const char *name, scconf_block *blk)
{
unsigned int type, id;
struct state state;
if (get_authid(cur, name, &type, &id))
return 1;
init_state(cur, &state);
state.key = new_key(cur->profile, type, id);
return process_block(&state, info, name, blk);
}
static struct auth_info *
new_key(struct sc_profile *profile, unsigned int type, unsigned int ref)
{
struct auth_info *ai, **aip;
for (aip = &profile->auth_list; (ai = *aip); aip = &ai->next) {
if (ai->type == type && ai->ref == ref)
return ai;
}
ai = calloc(1, sizeof(*ai));
if (ai == NULL)
return NULL;
ai->type = type;
ai->ref = ref;
*aip = ai;
return ai;
}
static int
do_key_value(struct state *cur, int argc, char **argv)
{
struct auth_info *ai = cur->key;
const char *key = argv[0];
size_t key_len;
unsigned char keybuf[32];
if (key[0] == '=') {
++key;
key_len = strlen(key);
memcpy(keybuf, key, key_len);
} else {
key_len = sizeof(keybuf);
if (sc_hex_to_bin(key, keybuf, &key_len)) {
parse_error(cur, "Error parsing PIN/key \"%s\"\n", key);
return 1;
}
}
memcpy(ai->key, keybuf, key_len);
ai->key_len = key_len;
return 0;
}
/*
* This function is called when the parser finds a block with an unknown
* name in the filesystem block. This will create a new filesystem
* object as the child of the current object.
*/
static int
process_df(struct state *cur, struct block *info,
const char *name, scconf_block *blk)
{
struct state state;
init_state(cur, &state);
if (name == NULL) {
parse_error(cur, "No name given for DF object.");
return 1;
}
if (!(state.file = new_file(cur, name, SC_FILE_TYPE_DF)))
return 1;
return process_block(&state, info, name, blk);
}
static int
process_ef(struct state *cur, struct block *info,
const char *name, scconf_block *blk)
{
struct state state;
init_state(cur, &state);
if (name == NULL) {
parse_error(cur, "No name given for EF object.");
return 1;
}
if (!(state.file = new_file(cur, name, SC_FILE_TYPE_WORKING_EF)))
return 1;
return process_block(&state, info, name, blk);
}
static int
process_bso(struct state *cur, struct block *info,
const char *name, scconf_block *blk)
{
struct state state;
init_state(cur, &state);
if (name == NULL) {
parse_error(cur, "No name given for BSO object.");
return 1;
}
if (!(state.file = new_file(cur, name, SC_FILE_TYPE_BSO)))
return 1;
return process_block(&state, info, name, blk);
}
/*
* In the template the difference between any two file-ids
* should be greater then TEMPLATE_FILEID_MIN_DIFF.
*/
static int
template_sanity_check(struct state *cur, struct sc_profile *templ)
{
struct file_info *fi, *ffi;
for (fi = templ->ef_list; fi; fi = fi->next) {
struct sc_path fi_path = fi->file->path;
int fi_id = fi_path.value[fi_path.len - 2] * 0x100
+ fi_path.value[fi_path.len - 1];
if (fi->file->type == SC_FILE_TYPE_BSO)
continue;
for (ffi = templ->ef_list; ffi; ffi = ffi->next) {
struct sc_path ffi_path = ffi->file->path;
int dlt, ffi_id = ffi_path.value[ffi_path.len - 2] * 0x100
+ ffi_path.value[ffi_path.len - 1];
if (ffi->file->type == SC_FILE_TYPE_BSO)
continue;
dlt = fi_id > ffi_id ? fi_id - ffi_id : ffi_id - fi_id;
if (strcmp(ffi->ident, fi->ident)) {
if (dlt >= TEMPLATE_FILEID_MIN_DIFF)
continue;
parse_error(cur, "Template insane: file-ids should be substantially different");
return 1;
}
}
}
return SC_SUCCESS;
}
static int
process_tmpl(struct state *cur, struct block *info,
const char *name, scconf_block *blk)
{
struct state state;
sc_template_t *tinfo;
sc_profile_t *templ;
int r;
#ifdef DEBUG_PROFILE
printf("Process template:%s; block:%s\n", name, info->name);
#endif
if (name == NULL) {
parse_error(cur, "No name given for template.");
return 1;
}
templ = calloc(1, sizeof(*templ));
if (templ == NULL) {
parse_error(cur, "memory allocation failed");
return 1;
}
tinfo = calloc(1, sizeof(*tinfo));
if (tinfo == NULL) {
parse_error(cur, "memory allocation failed");
free(templ);
return 1;
}
tinfo->name = strdup(name);
tinfo->data = templ;
tinfo->next = cur->profile->template_list;
cur->profile->template_list = tinfo;
init_state(cur, &state);
state.profile = tinfo->data;
state.file = NULL;
r = process_block(&state, info, name, blk);
if (!r)
r = template_sanity_check(cur, templ);
#ifdef DEBUG_PROFILE
printf("Template %s processed; returns %i\n", name, r);
#endif
return r;
}
/*
* Append new file at the end of the ef_list.
* This is crucial; the profile instantiation code relies on it
*/
static void append_file(sc_profile_t *profile, struct file_info *nfile)
{
struct file_info **list, *fi;
list = &profile->ef_list;
while ((fi = *list) != NULL)
list = &fi->next;
*list = nfile;
}
/*
* Add a new file to the profile.
* This function is called by sc_profile_add_file.
*/
static struct file_info *
add_file(sc_profile_t *profile, const char *name,
sc_file_t *file, struct file_info *parent)
{
struct file_info *info;
info = calloc(1, sizeof(*info));
if (info == NULL)
return NULL;
info->instance = info;
info->ident = strdup(name);
info->parent = parent;
info->file = file;
append_file(profile, info);
return info;
}
/*
* Free file_info list
*/
static void
free_file_list(struct file_info **list)
{
struct file_info *fi;
while ((fi = *list) != NULL) {
*list = fi->next;
if (fi->dont_free == 0)
sc_file_free(fi->file);
free(fi->ident);
free(fi);
}
}
/*
* Create a new file info object.
* This function is called by the profile parser.
*/
static struct file_info *
new_file(struct state *cur, const char *name, unsigned int type)
{
sc_profile_t *profile = cur->profile;
struct file_info *info;
sc_file_t *file;
unsigned int df_type = 0, dont_free = 0;
if ((info = sc_profile_find_file(profile, NULL, name)) != NULL)
return info;
/* Special cases for those EFs handled separately
* by the PKCS15 logic */
if (strncasecmp(name, "PKCS15-", 7)) {
file = init_file(type);
} else if (!strcasecmp(name+7, "TokenInfo")) {
file = profile->p15_spec->file_tokeninfo;
dont_free = 1;
} else if (!strcasecmp(name+7, "ODF")) {
file = profile->p15_spec->file_odf;
dont_free = 1;
} else if (!strcasecmp(name+7, "UnusedSpace")) {
file = profile->p15_spec->file_unusedspace;
dont_free = 1;
} else if (!strcasecmp(name+7, "AppDF")) {
file = init_file(SC_FILE_TYPE_DF);
} else {
if (map_str2int(cur, name+7, &df_type, pkcs15DfNames))
return NULL;
file = init_file(SC_FILE_TYPE_WORKING_EF);
profile->df[df_type] = file;
}
assert(file);
if (file->type != type) {
parse_error(cur, "inconsistent file type (should be %s)",
file->type == SC_FILE_TYPE_DF
? "DF" : file->type == SC_FILE_TYPE_BSO
? "BS0" : "EF");
if (strncasecmp(name, "PKCS15-", 7) ||
!strcasecmp(name+7, "AppDF"))
sc_file_free(file);
return NULL;
}
info = add_file(profile, name, file, cur->file);
if (info == NULL) {
parse_error(cur, "memory allocation failed");
return NULL;
}
info->dont_free = dont_free;
return info;
}
static int
do_file_type(struct state *cur, int argc, char **argv)
{
unsigned int type;
if (map_str2int(cur, argv[0], &type, fileTypeNames))
return 1;
cur->file->file->type = type;
return 0;
}
static int
do_file_path(struct state *cur, int argc, char **argv)
{
struct sc_file *file = cur->file->file;
struct sc_path *path = &file->path;
/* sc_format_path doesn't return an error indication
* when it's unable to parse the path */
sc_format_path(argv[0], path);
if (!path->len || (path->len & 1)) {
parse_error(cur, "Invalid path length\n");
return 1;
}
file->id = (path->value[path->len-2] << 8) | path->value[path->len-1];
return 0;
}
static int
do_fileid(struct state *cur, int argc, char **argv)
{
struct file_info *fi;
struct sc_file *df, *file = cur->file->file;
struct sc_path temp, *path = &file->path;
/* sc_format_path doesn't return an error indication
* when it's unable to parse the path */
sc_format_path(argv[0], &temp);
if (temp.len != 2) {
parse_error(cur, "Invalid file ID length\n");
return 1;
}
/* Get the DF, if any */
if ((fi = cur->file->parent) && (df = fi->file)) {
if (!df->path.len && !df->path.aid.len) {
parse_error(cur, "No path/fileid set for parent DF\n");
return 1;
}
if (df->path.len + 2 > sizeof(df->path.value)) {
parse_error(cur, "File path too long\n");
return 1;
}
*path = df->path;
}
memcpy(path->value + path->len, temp.value, 2);
path->len += 2;
file->id = (temp.value[0] << 8) | temp.value[1];
return 0;
}
static int
do_structure(struct state *cur, int argc, char **argv)
{
unsigned int ef_structure;
if (map_str2int(cur, argv[0], &ef_structure, fileStructureNames))
return 1;
cur->file->file->ef_structure = ef_structure;
return 0;
}
static int
do_size(struct state *cur, int argc, char **argv)
{
unsigned int size;
if (get_uint_eval(cur, argc, argv, &size))
return 1;
cur->file->file->size = size;
return 0;
}
static int
do_reclength(struct state *cur, int argc, char **argv)
{
unsigned int reclength;
if (get_uint(cur, argv[0], &reclength))
return 1;
cur->file->file->record_length = reclength;
return 0;
}
static int
do_content(struct state *cur, int argc, char **argv)
{
struct sc_file *file = cur->file->file;
size_t len = (strlen(argv[0]) + 1) / 2;
int rv = 0;
file->encoded_content = malloc(len);
if (!file->encoded_content)
return 1;
rv = sc_hex_to_bin(argv[0], file->encoded_content, &len);
file->encoded_content_len = len;
return rv;
}
static int
do_prop_attr(struct state *cur, int argc, char **argv)
{
struct sc_file *file = cur->file->file;
size_t len = (strlen(argv[0]) + 1) / 2;
int rv = 0;
file->prop_attr = malloc(len);
if (!file->prop_attr)
return 1;
rv = sc_hex_to_bin(argv[0], file->prop_attr, &len);
file->prop_attr_len = len;
return rv;
}
static int
do_aid(struct state *cur, int argc, char **argv)
{
struct sc_file *file = cur->file->file;
const char *name = argv[0];
unsigned int len;
int res = 0;
if (*name == '=') {
len = strlen(++name);
if (len > sizeof(file->name)) {
parse_error(cur, "AID \"%s\" too long\n", name);
return 1;
}
memcpy(file->name, name, len);
file->namelen = len;
}
else {
file->namelen = sizeof(file->name);
res = sc_hex_to_bin(name, file->name, &file->namelen);
}
return res;
}
static int
do_exclusive_aid(struct state *cur, int argc, char **argv)
{
struct sc_file *file = cur->file->file;
const char *name = argv[0];
unsigned int len;
int res = 0;
#ifdef DEBUG_PROFILE
printf("do_exclusive_aid(): exclusive-aid '%s'\n", name);
printf("do_exclusive_aid(): current file '%s' (path:%s)\n", cur->file->ident, sc_print_path(&file->path));
#endif
sc_format_path(name, &file->path);
if (file->path.len > SC_MAX_AID_SIZE) {
parse_error(cur, "Path length is too big\n");
return 1;
}
memcpy(file->path.aid.value, file->path.value, file->path.len);
file->path.aid.len = file->path.len;
file->path.len = 0;
file->path.type = SC_PATH_TYPE_DF_NAME;
#ifdef DEBUG_PROFILE
printf("do_exclusive_aid(): '%s' exclusive-aid path %s\n", cur->file->ident, sc_print_path(&file->path));
#endif
if (*name == '=') {
len = strlen(++name);
if (len > sizeof(file->name)) {
parse_error(cur, "AID \"%s\" too long\n", name);
return 1;
}
memcpy(file->name, name, len);
file->namelen = len;
}
else {
file->namelen = sizeof(file->name);
res = sc_hex_to_bin(name, file->name, &file->namelen);
}
return res;
}
static int
do_profile_extension(struct state *cur, int argc, char **argv)
{
return setstr(&cur->file->profile_extension, argv[0]);
}
/*
* Parse ACL list.
* The way we do this is we first split things like CHV1
* into a method (SC_AC_CHV) and a reference (1).
* When we're finished parsing the profile, the fake references
* are replaced by the real references given in KEY or PIN
* commands
*/
static int
do_acl(struct state *cur, int argc, char **argv)
{
struct sc_file *file = cur->file->file;
char oper[64], *what = NULL;
memset(oper, 0, sizeof(oper));
while (argc--) {
unsigned int op, method, id;
strlcpy(oper, *argv++, sizeof(oper));
if ((what = strchr(oper, '=')) == NULL)
goto bad;
*what++ = '\0';
if (*what == '$') {
method = SC_AC_SYMBOLIC;
if (map_str2int(cur, what+1, &id, pinIdNames))
return 1;
}
else if (get_authid(cur, what, &method, &id))
goto bad;
if (!strcmp(oper, "*")) {
for (op = 0; op < SC_MAX_AC_OPS; op++) {
sc_file_clear_acl_entries(file, op);
sc_file_add_acl_entry(file, op, method, id);
}
} else {
const sc_acl_entry_t *acl;
if (map_str2int(cur, oper, &op, fileOpNames))
goto bad;
acl = sc_file_get_acl_entry(file, op);
if (acl->method == SC_AC_NEVER
|| acl->method == SC_AC_NONE
|| acl->method == SC_AC_UNKNOWN)
sc_file_clear_acl_entries(file, op);
sc_file_add_acl_entry(file, op, method, id);
}
}
return 0;
bad: parse_error(cur,
"Invalid ACL \"%s%s%s\"\n",
oper, what? "=" : "", what? what : "");
return 1;
}
static int
process_pin(struct state *cur, struct block *info,
const char *name, scconf_block *blk)
{
struct state state;
unsigned int id;
if (map_str2int(cur, name, &id, pinIdNames))
return 1;
init_state(cur, &state);
state.pin = new_pin(cur->profile, (int)id);
return process_block(&state, info, name, blk);
}
static struct pin_info *
new_pin(struct sc_profile *profile, int id)
{
struct pin_info *pi, **tail;
for (tail = &profile->pin_list; (pi = *tail); tail = &pi->next) {
if (pi->id == id)
return pi;
}
/* Create pin info object. Most values are
* set to their defaults in set_pin_defaults later
* We can't do this here because these pin info objects
* are usually created before we've read the card specific
* profile
*/
pi = calloc(1, sizeof(*pi));
if (pi == NULL)
return NULL;
pi->id = id;
pi->pin.auth_type = SC_PKCS15_PIN_AUTH_TYPE_PIN;
pi->pin.auth_method = SC_AC_CHV;
pi->pin.attrs.pin.type = (unsigned int)-1;
pi->pin.attrs.pin.flags = 0x32;
pi->pin.attrs.pin.max_length = 0;
pi->pin.attrs.pin.min_length = 0;
pi->pin.attrs.pin.stored_length = 0;
pi->pin.attrs.pin.pad_char = 0xA5;
pi->pin.attrs.pin.reference = -1;
pi->pin.tries_left = 3;
*tail = pi;
return pi;
}
static void set_pin_defaults(struct sc_profile *profile, struct pin_info *pi)
{
struct sc_pkcs15_auth_info *info = &pi->pin;
struct sc_pkcs15_pin_attributes *pin_attrs = &info->attrs.pin;
info->auth_type = SC_PKCS15_PIN_AUTH_TYPE_PIN;
if (pin_attrs->type == (unsigned int) -1)
pin_attrs->type = profile->pin_encoding;
if (pin_attrs->max_length == 0)
pin_attrs->max_length = profile->pin_maxlen;
if (pin_attrs->min_length == 0)
pin_attrs->min_length = profile->pin_minlen;
if (pin_attrs->stored_length == 0) {
pin_attrs->stored_length = profile->pin_maxlen;
/* BCD encoded PIN takes half the space */
if (pin_attrs->type == SC_PKCS15_PIN_TYPE_BCD)
pin_attrs->stored_length = (pin_attrs->stored_length + 1) / 2;
}
if (pin_attrs->pad_char == 0xA5)
pin_attrs->pad_char = profile->pin_pad_char;
}
static int
do_pin_file(struct state *cur, int argc, char **argv)
{
cur->pin->file_name = strdup(argv[0]);
return 0;
}
static int
do_pin_offset(struct state *cur, int argc, char **argv)
{
return get_uint(cur, argv[0], &cur->pin->file_offset);
}
static int
do_pin_attempts(struct state *cur, int argc, char **argv)
{
struct pin_info *pi = cur->pin;
unsigned int count;
if (get_uint(cur, argv[0], &count))
return 1;
pi->pin.tries_left = count;
return 0;
}
static int
do_pin_maxunlocks(struct state *cur, int argc, char **argv)
{
struct pin_info *pi = cur->pin;
unsigned int count;
if (get_uint(cur, argv[0], &count))
return 1;
pi->pin.max_unlocks = count;
return 0;
}
static int
do_pin_type(struct state *cur, int argc, char **argv)
{
unsigned int type;
if (map_str2int(cur, argv[0], &type, pinTypeNames))
return 1;
if (cur->pin->pin.auth_type != SC_PKCS15_PIN_AUTH_TYPE_PIN)
return 1;
cur->pin->pin.attrs.pin.type = type;
return 0;
}
static int
do_pin_reference(struct state *cur, int argc, char **argv)
{
unsigned int reference;
if (get_uint(cur, argv[0], &reference))
return 1;
if (cur->pin->pin.auth_type != SC_PKCS15_PIN_AUTH_TYPE_PIN)
return 1;
cur->pin->pin.attrs.pin.reference = reference;
return 0;
}
static int
do_pin_authid(struct state *cur, int argc, char **argv)
{
sc_pkcs15_format_id(argv[0], &cur->pin->pin.auth_id);
return 0;
}
static int
do_pin_minlength(struct state *cur, int argc, char **argv)
{
unsigned int len;
if (get_uint(cur, argv[0], &len))
return 1;
if (cur->pin->pin.auth_type != SC_PKCS15_PIN_AUTH_TYPE_PIN)
return 1;
cur->pin->pin.attrs.pin.min_length = len;
return 0;
}
static int
do_pin_maxlength(struct state *cur, int argc, char **argv)
{
unsigned int len;
if (get_uint(cur, argv[0], &len))
return 1;
if (cur->pin->pin.auth_type != SC_PKCS15_PIN_AUTH_TYPE_PIN)
return 1;
cur->pin->pin.attrs.pin.max_length = len;
return 0;
}
static int
do_pin_storedlength(struct state *cur, int argc, char **argv)
{
unsigned int len;
if (get_uint(cur, argv[0], &len))
return 1;
if (cur->pin->pin.auth_type != SC_PKCS15_PIN_AUTH_TYPE_PIN)
return 1;
cur->pin->pin.attrs.pin.stored_length = len;
return 0;
}
static int
do_pin_flags(struct state *cur, int argc, char **argv)
{
unsigned int flags;
int i, r;
if (cur->pin->pin.auth_type != SC_PKCS15_PIN_AUTH_TYPE_PIN)
return -1;
cur->pin->pin.attrs.pin.flags = 0;
for (i = 0; i < argc; i++) {
if ((r = map_str2int(cur, argv[i], &flags, pinFlagNames)) < 0)
return r;
cur->pin->pin.attrs.pin.flags |= flags;
}
return 0;
}
static int
process_macros(struct state *cur, struct block *info,
const char *dummy, scconf_block *blk)
{
scconf_item *item;
const char *name;
for (item = blk->items; item; item = item->next) {
name = item->key;
if (item->type != SCCONF_ITEM_TYPE_VALUE)
continue;
#ifdef DEBUG_PROFILE
printf("Defining %s\n", name);
#endif
new_macro(cur->profile, name, item->value.list);
}
return 0;
}
static void
new_macro(sc_profile_t *profile, const char *name, scconf_list *value)
{
sc_macro_t *mac;
if ((mac = find_macro(profile, name)) == NULL) {
mac = calloc(1, sizeof(*mac));
if (mac == NULL)
return;
mac->name = strdup(name);
mac->next = profile->macro_list;
profile->macro_list = mac;
}
mac->value = value;
}
static sc_macro_t *
find_macro(sc_profile_t *profile, const char *name)
{
sc_macro_t *mac;
for (mac = profile->macro_list; mac; mac = mac->next) {
if (!strcmp(mac->name, name))
return mac;
}
return NULL;
}
/*
* Key section
*/
static struct command key_commands[] = {
{ "value", 1, 1, do_key_value },
{ NULL, 0, 0, NULL }
};
/*
* Cardinfo section
*/
static struct command ci_commands[] = {
{ "driver", 1, 1, do_card_driver },
{ "max-pin-length", 1, 1, do_maxpinlength },
{ "min-pin-length", 1, 1, do_minpinlength },
{ "pin-encoding", 1, 1, do_default_pin_type },
{ "pin-pad-char", 1, 1, do_pin_pad_char },
{ "pin-domains", 1, 1, do_pin_domains },
{ "label", 1, 1, do_card_label },
{ "manufacturer", 1, 1, do_card_manufacturer},
{ NULL, 0, 0, NULL }
};
static struct block ci_blocks[] = {
{ "key", process_key, key_commands, NULL },
{ NULL, NULL, NULL, NULL }
};
/*
* Filesystem section
*/
static struct command fs_commands[] = {
{ "type", 1, 1, do_file_type },
{ "path", 1, 1, do_file_path },
{ "file-id", 1, 1, do_fileid },
{ "structure", 1, 1, do_structure },
{ "size", 1, -1, do_size },
{ "record-length", 1, 1, do_reclength },
{ "AID", 1, 1, do_aid },
{ "ACL", 1, -1, do_acl },
/* AID dependent sub-profile */
{ "profile-extension", 1, 1, do_profile_extension },
/* AID of the DFs without file-id */
{ "exclusive-aid", 1, 1, do_exclusive_aid },
{ "content", 1, 1, do_content },
{ "prop-attr", 1, 1, do_prop_attr },
{ NULL, 0, 0, NULL }
};
static struct block fs_blocks[] = {
{ "DF", process_df, fs_commands, fs_blocks },
{ "EF", process_ef, fs_commands, fs_blocks },
{ "BSO", process_bso, fs_commands, fs_blocks },
{ "template", process_tmpl, fs_commands, fs_blocks },
{ NULL, NULL, NULL, NULL }
};
/*
* Pin section
*/
static struct command pi_commands[] = {
{ "file", 1, 1, do_pin_file },
{ "offset", 1, 1, do_pin_offset },
{ "attempts", 1, 2, do_pin_attempts },
{ "encoding", 1, 1, do_pin_type },
{ "reference", 1, 1, do_pin_reference },
{ "auth-id", 1, 1, do_pin_authid },
{ "max-length", 1, 1, do_pin_maxlength },
{ "min-length", 1, 1, do_pin_minlength },
{ "stored-length", 1, 1, do_pin_storedlength },
{ "max-unlocks", 1, 1, do_pin_maxunlocks },
{ "flags", 1, -1, do_pin_flags },
{ NULL, 0, 0, NULL }
};
/*
* pkcs15 dialect section
*/
static struct command p15_commands[] = {
{ "direct-certificates", 1, 1, do_direct_certificates },
{ "encode-df-length", 1, 1, do_encode_df_length },
{ "do-last-update", 1, 1, do_encode_update_field },
{ "pkcs15-id-style", 1, 1, do_pkcs15_id_style },
{ "minidriver-support-style", 1, 1, do_minidriver_support_style },
{ NULL, 0, 0, NULL }
};
static struct block root_blocks[] = {
{ "filesystem", process_block, NULL, fs_blocks },
{ "cardinfo", process_block, ci_commands, ci_blocks },
{ "pin", process_pin, pi_commands, NULL },
{ "option", process_option, NULL, root_blocks },
{ "macros", process_macros, NULL, NULL },
{ "pkcs15", process_block, p15_commands, NULL },
{ NULL, NULL, NULL, NULL }
};
static struct block root_ops = {
"root", process_block, NULL, root_blocks
};
static int
build_argv(struct state *cur, const char *cmdname,
scconf_list *list, char **argv, unsigned int max)
{
unsigned int argc;
const char *str;
sc_macro_t *mac;
int r;
for (argc = 0; list; list = list->next) {
if (argc >= max) {
parse_error(cur, "%s: too many arguments", cmdname);
return SC_ERROR_INVALID_ARGUMENTS;
}
str = list->data;
if (str[0] != '$') {
argv[argc++] = list->data;
continue;
}
/* Expand macro reference */
if (!(mac = find_macro(cur->profile, str + 1))) {
parse_error(cur, "%s: unknown macro \"%s\"",
cmdname, str);
return SC_ERROR_SYNTAX_ERROR;
}
#ifdef DEBUG_PROFILE
{
scconf_list *list;
printf("Expanding macro %s:", mac->name);
for (list = mac->value; list; list = list->next)
printf(" %s", list->data);
printf("\n");
}
#endif
r = build_argv(cur, cmdname, mac->value,
argv + argc, max - argc);
if (r < 0)
return r;
argc += r;
}
return argc;
}
static int
process_command(struct state *cur, struct command *cmd_info, scconf_list *list)
{
const char *cmd = cmd_info->name;
char *argv[32];
int argc, max = 32;
if (cmd_info->max_args >= 0 && max > cmd_info->max_args)
max = cmd_info->max_args;
if ((argc = build_argv(cur, cmd, list, argv, max)) < 0)
return argc;
if (argc < cmd_info->min_args) {
parse_error(cur, "%s: not enough arguments\n", cmd);
return 1;
}
return cmd_info->func(cur, argc, argv);
}
static struct block *
find_block_handler(struct block *bp, const char *name)
{
if (bp == NULL)
return NULL;
for (; bp->name; bp++) {
if (!strcasecmp(bp->name, name))
return bp;
}
return NULL;
}
static struct command *
find_cmd_handler(struct command *cp, const char *name)
{
if (cp == NULL)
return NULL;
for (; cp->name; cp++) {
if (!strcasecmp(cp->name, name))
return cp;
}
return NULL;
}
static int
process_block(struct state *cur, struct block *info,
const char *name, scconf_block *blk)
{
scconf_item *item;
struct command *cp;
struct block *bp;
const char *cmd, *ident;
int res = 0;
for (item = blk->items; res == 0 && item; item = item->next) {
cmd = item->key;
if (item->type == SCCONF_ITEM_TYPE_COMMENT)
continue;
if (item->type == SCCONF_ITEM_TYPE_BLOCK) {
scconf_list *nlist;
ident = NULL;
if ((nlist = item->value.block->name) != NULL) {
if (nlist->next) {
parse_error(cur, "Too many name components in block name.");
return SC_ERROR_SYNTAX_ERROR;
}
ident = nlist->data;
}
#ifdef DEBUG_PROFILE
printf("Processing %s %s\n", cmd, ident? ident : "");
#endif
if ((bp = find_block_handler(info->blk_info, cmd))) {
res = bp->handler(cur, bp, ident, item->value.block);
continue;
}
}
else if (item->type == SCCONF_ITEM_TYPE_VALUE) {
#ifdef DEBUG_PROFILE
printf("Processing %s\n", cmd);
#endif
if ((cp = find_cmd_handler(info->cmd_info, cmd))) {
res = process_command(cur, cp, item->value.list);
continue;
}
}
parse_error(cur, "Command \"%s\" not understood in this context.", cmd);
return SC_ERROR_SYNTAX_ERROR;
}
if (res > 0)
res = SC_ERROR_SYNTAX_ERROR;
return res;
}
static int
process_conf(struct sc_profile *profile, scconf_context *conf)
{
struct state state;
memset(&state, 0, sizeof(state));
state.filename = conf->filename;
state.profile = profile;
return process_block(&state, &root_ops, "root", conf->root);
}
static struct file_info *
sc_profile_find_file(struct sc_profile *pro,
const sc_path_t *path, const char *name)
{
struct file_info *fi;
unsigned int len;
len = path? path->len : 0;
for (fi = pro->ef_list; fi; fi = fi->next) {
sc_path_t *fpath = &fi->file->path;
if (!strcasecmp(fi->ident, name) && fpath->len >= len && !memcmp(fpath->value, path->value, len))
return fi;
}
return NULL;
}
static struct file_info *
sc_profile_find_file_by_path(struct sc_profile *pro, const sc_path_t *path)
{
struct file_info *fi, *out = NULL;
struct sc_path *fp_path, *fpp_path;
#ifdef DEBUG_PROFILE
struct sc_context *ctx = pro->card->ctx;
sc_log(ctx, "profile's EF list:");
for (fi = pro->ef_list; fi; fi = fi->next) {
sc_log(ctx, "'%s' (path:%s)", fi->ident, sc_print_path(&fi->file->path));
sc_log(ctx, "fi parent %p", fi->parent);
if (fi->parent && fi->parent->file)
sc_log(ctx, "fi parent path %s", sc_print_path(&fi->parent->file->path));
}
sc_log(ctx, "find profile file by path:%s", sc_print_path(path));
#endif
if (!path || (!path->len && !path->aid.len))
return NULL;
for (fi = pro->ef_list; fi; fi = fi->next) {
fp_path = &fi->file->path;
fpp_path = fi->parent ? &fi->parent->file->path : NULL;
if (fp_path->len != path->len)
continue;
if (fp_path->len && memcmp(fp_path->value, path->value, path->len))
continue;
if (path->aid.len && fp_path->aid.len) {
if (memcmp(fp_path->aid.value, path->aid.value, path->aid.len))
continue;
}
else if (path->aid.len && !fp_path->aid.len && fpp_path) {
if (fpp_path->type == SC_PATH_TYPE_DF_NAME && fpp_path->len) {
if (fpp_path->len != path->aid.len)
continue;
if (memcmp(fpp_path->value, path->aid.value, path->aid.len))
continue;
}
else if (fpp_path->aid.len) {
if (fpp_path->aid.len != path->aid.len)
continue;
if (memcmp(fpp_path->aid.value, path->aid.value, path->aid.len))
continue;
}
}
out = fi;
}
#ifdef DEBUG_PROFILE
sc_log(ctx, "returns (%s)", out ? out->ident: "<null>");
#endif
return out;
}
int
sc_profile_get_parent(struct sc_profile *profile,
const char *name, sc_file_t **ret)
{
struct file_info *fi = NULL;
if ((fi = sc_profile_find_file(profile, NULL, name)) == NULL)
return SC_ERROR_FILE_NOT_FOUND;
if (!fi->parent)
return SC_ERROR_FILE_NOT_FOUND;
sc_file_dup(ret, fi->parent->file);
if (*ret == NULL)
return SC_ERROR_OUT_OF_MEMORY;
return 0;
}
/*
* Split up KEY0 or CHV1 into SC_AC_XXX and a number
*/
static int
get_authid(struct state *cur, const char *value,
unsigned int *type, unsigned int *num)
{
char temp[16];
size_t n;
if (isdigit((int) *value)) {
*num = 0;
return get_uint(cur, value, type);
}
n = strcspn(value, "0123456789x");
strlcpy(temp, value, (sizeof(temp) > n) ? n + 1 : sizeof(temp));
if (map_str2int(cur, temp, type, aclNames))
return 1;
if (value[n])
return get_uint(cur, value + n, num);
*num = 0;
return 0;
}
static int
get_uint(struct state *cur, const char *value, unsigned int *vp)
{
char *ep;
if (strstr(value, "0x") == value)
*vp = strtoul(value + 2, &ep, 16);
else if (strstr(value, "x") == value)
*vp = strtoul(value + 1, &ep, 16);
else
*vp = strtoul(value, &ep, 0);
if (*ep != '\0') {
parse_error(cur, "invalid integer argument \"%s\"\n", value);
return 1;
}
return 0;
}
static int
get_bool(struct state *cur, const char *value, unsigned int *vp)
{
if (!strcasecmp(value, "on")
|| !strcasecmp(value, "yes")
|| !strcasecmp(value, "true")) {
*vp = 1;
} else
if (!strcasecmp(value, "off")
|| !strcasecmp(value, "no")
|| !strcasecmp(value, "false")) {
*vp = 0;
} else {
parse_error(cur, "invalid boolean argument \"%s\"\n", value);
return 1;
}
return 0;
}
static int
map_str2int(struct state *cur, const char *value,
unsigned int *vp, struct map *map)
{
unsigned int n;
const char *what;
if (isdigit((int) *value))
return get_uint(cur, value, vp);
for (n = 0; map[n].name; n++) {
if (!strcasecmp(value, map[n].name)) {
*vp = map[n].val;
return 0;
}
}
/* Try to print a meaningful error message */
what = "argument";
for (n = 0; mapNames[n].name; n++) {
if (mapNames[n].addr == map) {
what = mapNames[n].name;
break;
}
}
parse_error(cur, "invalid %s \"%s\"\n", what, value);
return SC_ERROR_SYNTAX_ERROR;
}
static int
setstr(char **strp, const char *value)
{
if (*strp)
free(*strp);
*strp = strdup(value);
return 0;
}
/*
* Evaluate numeric expressions
*/
#include <setjmp.h>
struct num_exp_ctx {
struct state * state;
jmp_buf error;
int j;
char word[64];
char * unget;
char * str;
int argc;
char ** argv;
};
static void expr_eval(struct num_exp_ctx *, unsigned int *, unsigned int);
static void
expr_fail(struct num_exp_ctx *ctx)
{
longjmp(ctx->error, 1);
}
static void
expr_put(struct num_exp_ctx *ctx, int c)
{
if (ctx->j >= (int)sizeof(ctx->word))
expr_fail(ctx);
ctx->word[ctx->j++] = (char)c;
}
static char *
__expr_get(struct num_exp_ctx *ctx, int eof_okay)
{
char *s;
if ((s = ctx->unget) != NULL) {
ctx->unget = NULL;
return s;
}
ctx->j = 0;
do {
if ((s = ctx->str) == NULL || *s == '\0') {
if (ctx->argc == 0) {
if (eof_okay)
return NULL;
expr_fail(ctx);
}
ctx->str = s = *(ctx->argv++);
ctx->argc--;
}
while (isspace(*s))
s++;
} while (*s == '\0');
if (isdigit(*s)) {
while (isdigit(*s))
expr_put(ctx, *s++);
}
else if (*s == '$') {
expr_put(ctx, *s++);
while (isalnum(*s) || *s == '-' || *s == '_')
expr_put(ctx, *s++);
}
else if (strchr("*/+-()|&", *s)) {
expr_put(ctx, *s++);
}
else {
expr_fail(ctx);
}
ctx->str = s;
expr_put(ctx, '\0');
return ctx->word;
}
static char *
expr_get(struct num_exp_ctx *ctx)
{
return __expr_get(ctx, 0);
}
static void
expr_unget(struct num_exp_ctx *ctx, char *s)
{
if (ctx->unget)
expr_fail(ctx);
ctx->unget = s;
}
static void
expr_expect(struct num_exp_ctx *ctx, int c)
{
char *tok;
tok = expr_get(ctx);
if (tok[0] != (char)c || tok[1])
expr_fail(ctx);
}
static void
expr_term(struct num_exp_ctx *ctx, unsigned int *vp)
{
char *tok;
tok = expr_get(ctx);
if (*tok == '(') {
expr_eval(ctx, vp, 1);
expr_expect(ctx, ')');
}
else if (isdigit(*tok)) {
char *ep;
*vp = strtoul(tok, &ep, 0);
if (*ep)
expr_fail(ctx);
}
else if (*tok == '$') {
sc_macro_t *mac;
char *argv[32];
int argc;
if (!(mac = find_macro(ctx->state->profile, tok + 1)))
expr_fail(ctx);
argc = build_argv(ctx->state, "<expr>", mac->value, argv, 32);
if (argc < 0 || get_uint_eval(ctx->state, argc, argv, vp) < 0)
expr_fail(ctx);
}
else {
parse_error(ctx->state, "Unexpected token \"%s\" in expression", tok);
expr_fail(ctx);
}
}
static void
expr_eval(struct num_exp_ctx *ctx, unsigned int *vp, unsigned int pri)
{
unsigned int left, right, new_pri;
char *tok, op;
expr_term(ctx, &left);
while (1) {
tok = __expr_get(ctx, 1);
if (tok == NULL)
break;
op = tok[0];
new_pri = 0;
switch (op) {
case '*':
case '/':
new_pri++;
/* fall through */
case '+':
case '-':
new_pri++;
/* fall through */
case '&':
new_pri++;
/* fall through */
case '|':
new_pri++;
/* fall through */
case ')':
break;
default:
expr_fail(ctx);
}
if (new_pri < pri) {
expr_unget(ctx, tok);
break;
}
pri = new_pri;
expr_eval(ctx, &right, new_pri + 1);
switch (op) {
case '*': left *= right; break;
case '/': left /= right; break;
case '+': left += right; break;
case '-': left -= right; break;
case '&': left &= right; break;
case '|': left |= right; break;
default: expr_fail(ctx);
}
}
*vp = left;
}
static int
get_uint_eval(struct state *cur, int argc, char **argv, unsigned int *vp)
{
struct num_exp_ctx ctx;
memset(&ctx, 0, sizeof(ctx));
ctx.state = cur;
ctx.argc = argc;
ctx.argv = argv;
if (setjmp(ctx.error)) {
parse_error(cur, "invalid numeric expression\n");
return SC_ERROR_SYNTAX_ERROR;
}
expr_eval(&ctx, vp, 0);
if (ctx.str[0] || ctx.argc)
expr_fail(&ctx);
return 0;
}
static void
parse_error(struct state *cur, const char *fmt, ...)
{
char buffer[1024], *sp;
va_list ap;
va_start(ap, fmt);
vsnprintf(buffer, sizeof(buffer), fmt, ap);
va_end(ap);
if ((sp = strchr(buffer, '\n')) != NULL)
*sp = '\0';
if (cur->profile->card && cur->profile->card->ctx)
sc_log(cur->profile->card->ctx, "%s: %s", cur->filename, buffer);
else
fprintf(stdout, "%s: %s\n", cur->filename, buffer);
}