summaryrefslogtreecommitdiffstats
path: root/src/zmqinput-keygen.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/zmqinput-keygen.c')
-rw-r--r--src/zmqinput-keygen.c107
1 files changed, 107 insertions, 0 deletions
diff --git a/src/zmqinput-keygen.c b/src/zmqinput-keygen.c
new file mode 100644
index 0000000..0169837
--- /dev/null
+++ b/src/zmqinput-keygen.c
@@ -0,0 +1,107 @@
+/* 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");
+ }
+
+ 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;
+}
+