/* read any gpg config file */
static int
conffile(netpgp_t *netpgp, char *homedir, char *userid, size_t length)
{
regmatch_t matchv[10];
regex_t keyre;
char buf[BUFSIZ];
FILE *fp;
__OPS_USED(netpgp);
(void) snprintf(buf, sizeof(buf), "%s/gpg.conf", homedir);
if ((fp = fopen(buf, "r")) == NULL) {
return 0;
}
(void) memset(&keyre, 0x0, sizeof(keyre));
(void) regcomp(&keyre, "^[ \t]*default-key[ \t]+([0-9a-zA-F]+)",
REG_EXTENDED);
while (fgets(buf, (int)sizeof(buf), fp) != NULL) {
if (regexec(&keyre, buf, 10, matchv, 0) == 0) {
(void) memcpy(userid, &buf[(int)matchv[1].rm_so],
MIN((unsigned)(matchv[1].rm_eo -
matchv[1].rm_so), length));
if (netpgp->passfp == NULL) {
(void) fprintf(stderr,
"netpgp: default key set to \"%.*s\"\n",
(int)(matchv[1].rm_eo - matchv[1].rm_so),
&buf[(int)matchv[1].rm_so]);
}
}
}
(void) fclose(fp);
regfree(&keyre);
return 1;
}
/* this interface isn't right - hook into callback for getting passphrase */
char *
__ops_export_key(__ops_io_t *io, const __ops_key_t *keydata, uint8_t *passphrase)
{
__ops_output_t *output;
__ops_memory_t *mem;
char *cp;
__OPS_USED(io);
__ops_setup_memory_write(&output, &mem, 128);
if (keydata->type == OPS_PTAG_CT_PUBLIC_KEY) {
__ops_write_xfer_pubkey(output, keydata, 1);
} else {
__ops_write_xfer_seckey(output, keydata, passphrase,
strlen((char *)passphrase), 1);
}
cp = netpgp_strdup(__ops_mem_data(mem));
__ops_teardown_memory_write(output, mem);
return cp;
}
