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Support reading record files by SFI 

git-svn-id: https://www.opensc-project.org/svnp/opensc/trunk@4641 c6295689-39f2-0310-b995-f0e70906c6a9
This commit is contained in:
ep 2010-08-21 20:12:59 +00:00
parent cba47b33bf
commit 6474853217
2 changed files with 37 additions and 14 deletions
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4
doc/tools/opensc-explorer.xml
View File

@ -104,8 +104,10 @@
<varlistentry>
<term><option>cat</option> [<varname>file-id</varname>]</term>
<term><option>cat</option> sfi:<varname>sfi-id</varname></term>
<listitem><para>print the contents of the currently selected EF or the contents of a file
specified by <varname>file-id</varname>.
specified by <varname>file-id</varname>
or <varname>sfi-id</varname>.
</para></listitem>
</varlistentry>

47
src/tools/opensc-explorer.c
View File

@ -323,13 +323,14 @@ static int read_and_util_print_binary_file(sc_file_t *file)
return 0;
}
static int read_and_print_record_file(sc_file_t *file)
static int read_and_print_record_file(sc_file_t *file, unsigned long sfi)
{
u8 buf[256];
int rec, r;
for (rec = 1; ; rec++) {
r = sc_read_record(card, rec, buf, sizeof(buf), SC_RECORD_BY_REC_NR);
r = sc_read_record(card, rec, buf, sizeof(buf),
SC_RECORD_BY_REC_NR | sfi);
if (r == SC_ERROR_RECORD_NOT_FOUND)
return 0;
if (r < 0) {
@ -347,6 +348,8 @@ static int do_cat(int argc, char **argv)
sc_path_t path;
sc_file_t *file = NULL;
int not_current = 1;
int sfi = 0;
const char sfi_prefix[] = "sfi:";
if (argc > 1)
goto usage;
@ -355,23 +358,40 @@ static int do_cat(int argc, char **argv)
file = current_file;
not_current = 0;
} else {
if (arg_to_path(argv[0], &path, 1) != 0)
goto usage;
r = sc_select_file(card, &path, &file);
if (r) {
check_ret(r, SC_AC_OP_SELECT, "unable to select file", current_file);
goto err;
if (strncmp(argv[0], sfi_prefix, sizeof(sfi_prefix)-1)) {
if (arg_to_path(argv[0], &path, 1) != 0)
goto usage;
r = sc_select_file(card, &path, &file);
if (r) {
check_ret(r, SC_AC_OP_SELECT, "unable to select file",
current_file);
goto err;
}
} else {
if(!current_file) {
printf("A DF must be selected to read by SFI\n");
goto err;
}
path = current_path;
file = current_file;
not_current = 0;
const char *sfi_n = &argv[0][sizeof(sfi_prefix)-1];
sfi = atoi(sfi_n);
if ((sfi < 1) || (sfi > 30)) {
printf("Invalid SFI: %s\n", sfi_n);
goto usage;
}
}
}
if (file->type != SC_FILE_TYPE_WORKING_EF) {
if (file->type != SC_FILE_TYPE_WORKING_EF &&
!(file->type == SC_FILE_TYPE_DF && sfi)) {
printf("only working EFs may be read\n");
goto err;
}
if (file->ef_structure == SC_FILE_EF_TRANSPARENT)
if (file->ef_structure == SC_FILE_EF_TRANSPARENT && !sfi)
read_and_util_print_binary_file(file);
else
read_and_print_record_file(file);
read_and_print_record_file(file, sfi);
err = 0;
@ -385,7 +405,8 @@ err:
return -err;
usage:
puts("Usage: cat [file_id]");
puts("Usage: cat [file_id] or");
puts(" cat sfi:<sfi_id>");
return -1;
}