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/* Create a key file for the ZMQinput
* and save to file.
*
* Copyright (c) 2014 Matthias P. Braendli
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <zmq_utils.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <string.h>
int main(int argc, char** argv)
{
if (argc == 1) {
fprintf(stderr, "Generate a random key for dabInputZMQ and save it to two files.\n\n");
fprintf(stderr, "Usage: %s <name>\n", argv[0]);
return 1;
}
const char* keyname = argv[1];
if (strlen(keyname) > 2048) {
fprintf(stderr, "name too long\n");
return 1;
}
char pubkeyfile[strlen(keyname) + 10];
char seckeyfile[strlen(keyname) + 10];
sprintf(pubkeyfile, "%s.pub", keyname);
sprintf(seckeyfile, "%s.sec", keyname);
char public_key [41];
char secret_key [41];
int rc = zmq_curve_keypair(public_key, secret_key);
if (rc != 0) {
fprintf(stderr, "key generation failed\n");
return 1;
}
int fdpub = creat(pubkeyfile, S_IRUSR | S_IWUSR);
if (fdpub < 0) {
perror("File creation failed");
return 1;
}
int fdsec = creat(seckeyfile, S_IRUSR | S_IWUSR);
if (fdsec < 0) {
perror("File creation failed");
return 1;
}
int r = write(fdpub, public_key, 41);
int ret = 0;
if (r < 0) {
perror("write failed");
ret = 1;
}
else if (r != 41) {
fprintf(stderr, "Not enough key data written to file\n");
ret = 1;
}
close(fdpub);
if (ret == 0) {
r = write(fdsec, secret_key, 41);
if (r < 0) {
perror("write failed");
ret = 1;
}
else if (r != 41) {
fprintf(stderr, "Not enough key data written to file\n");
ret = 1;
}
}
close(fdsec);
return ret;
}
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