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#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <pskc/pskc.h>
/*
* $ cc -o pskc2csv pskc2csv.c $(pkg-config --cflags --libs libpskc)
* $ ./pskc2csv pskc.xml 2> /dev/null
* 12345678,12345678,MTIzNDU2Nzg5MDEyMzQ1Njc4OTA=
* $
*/
int
main (int argc, const char *argv[])
{
struct stat st;
FILE *fh = NULL;
char *buffer = NULL, *out;
size_t i;
pskc_t *container = NULL;
pskc_key_t *keypackage;
int exit_code = EXIT_FAILURE, rc, isvalid;
rc = pskc_global_init ();
if (rc != PSKC_OK)
{
fprintf (stderr, "pskc_global_init: %s\n", pskc_strerror (rc));
goto done;
}
if (argc != 2)
{
fprintf (stderr, "Usage: %s PSKCFILE\n", argv[0]);
goto done;
}
/* Part 1: Read file. */
fh = fopen (argv[1], "r");
if (fh == NULL)
{
perror ("fopen");
goto done;
}
if (fstat (fileno (fh), &st) != 0)
{
perror ("fstat");
goto done;
}
buffer = malloc (st.st_size);
if (buffer == NULL)
{
perror ("malloc");
goto done;
}
i = fread (buffer, 1, st.st_size, fh);
if (i != st.st_size)
{
fprintf (stderr, "short read\n");
goto done;
}
/* Part 2: Parse PSKC data. */
rc = pskc_init (&container);
if (rc != PSKC_OK)
{
fprintf (stderr, "pskc_init: %s\n", pskc_strerror (rc));
goto done;
}
rc = pskc_parse_from_memory (container, i, buffer);
if (rc != PSKC_OK)
{
fprintf (stderr, "pskc_parse_from_memory: %s\n", pskc_strerror (rc));
goto done;
}
/* Part 3: Output human readable variant of PSKC data to stderr. */
rc = pskc_output (container, PSKC_OUTPUT_HUMAN_COMPLETE, &out, &i);
if (rc != PSKC_OK)
{
fprintf (stderr, "pskc_output: %s\n", pskc_strerror (rc));
goto done;
}
fprintf (stderr, "%.*s\n", (int) i, out);
pskc_free (out);
/* Part 4: Validate PSKC data. */
rc = pskc_validate (container, &isvalid);
if (rc != PSKC_OK)
{
fprintf (stderr, "pskc_validate: %s\n", pskc_strerror (rc));
goto done;
}
fprintf (stderr, "PSKC data is Schema valid: %s\n", isvalid ? "YES" : "NO");
/* Part 5: Iterate through keypackages and print key id, device
serial number and base64 encoded secret. */
for (i = 0; (keypackage = pskc_get_keypackage (container, i)); i++)
{
const char *key_id = pskc_get_key_id (keypackage);
const char *device_serialno = pskc_get_key_id (keypackage);
const char *b64secret = pskc_get_key_data_b64secret (keypackage);
printf ("%s,%s,%s\n", key_id ? key_id : "",
device_serialno ? device_serialno : "",
b64secret ? b64secret : "");
}
exit_code = EXIT_SUCCESS;
done:
pskc_done (container);
if (fh && fclose (fh) != 0)
perror ("fclose");
free (buffer);
pskc_global_done ();
exit (exit_code);
}
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