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authorUros Majstorovic <majstor@majstor.org>2024-05-06 02:09:46 +0200
committerUros Majstorovic <majstor@majstor.org>2024-05-06 02:09:46 +0200
commita538ccbb5102a8c5b7bb03004c3327bf543c7e16 (patch)
tree8516a1602829fe5b5db0d064811fe670374b1f3b /ecp
parent5f55d9d4d14635678e7f582215e3642de2e232a4 (diff)
added comments to keyfiles
Diffstat (limited to 'ecp')
-rw-r--r--ecp/util/keygen.c1
-rw-r--r--ecp/util/util.c57
2 files changed, 43 insertions, 15 deletions
diff --git a/ecp/util/keygen.c b/ecp/util/keygen.c
index a0a1507..c7cee18 100644
--- a/ecp/util/keygen.c
+++ b/ecp/util/keygen.c
@@ -18,7 +18,6 @@ int main(int argc, char *argv[]) {
int rv;
if (argc != 3) usage(argv[0]);
- printf("keygen: public=%p, private=%p\n", key.public, key.private);
rv = ecp_dhkey_gen(&key);
if (rv) goto err;
diff --git a/ecp/util/util.c b/ecp/util/util.c
index abe562d..0f7f066 100644
--- a/ecp/util/util.c
+++ b/ecp/util/util.c
@@ -10,27 +10,56 @@
#include "util.h"
-int ecp_util_read_key(int fd, ecp_ecdh_public_t *public, ecp_ecdh_private_t *private) {
+static int _read_key(int fd, uint8_t *key) {
char buffer[ECP_SIZE_ECDH_KEY_BUF];
+ char ch;
+ int cmt;
ssize_t rv;
int _rv;
- memset(buffer, 0, sizeof(buffer));
- rv = read(fd, buffer, sizeof(buffer));
- if (rv < (ECP_SIZE_ECDH_KEY_BUF - 1)) return ECP_ERR;
- if (buffer[ECP_SIZE_ECDH_KEY_BUF - 1] == '\n') buffer[ECP_SIZE_ECDH_KEY_BUF - 1] = '\0';
+ do {
+ cmt = 0;
+ rv = read(fd, &ch, 1);
+ if (rv != 1) return ECP_ERR;
+ switch (ch) {
+ case '#':
+ case '\n': {
+ cmt = 1;
+ while (ch != '\n') {
+ rv = read(fd, &ch, 1);
+ if (rv != 1) return ECP_ERR;
+ }
+ break;
+ }
+
+ default: {
+ buffer[0] = ch;
+ break;
+ }
+ }
+ } while(cmt);
+
+ rv = read(fd, buffer + 1, sizeof(buffer) - 2);
+ if (rv < (sizeof(buffer) - 2)) return ECP_ERR;
+ buffer[ECP_SIZE_ECDH_KEY_BUF - 1] = '\0';
+
+ do {
+ rv = read(fd, &ch, 1);
+ } while ((rv == 1) && (ch != '\n'));
+
+ _rv = ecp_str2key(key, buffer);
+ return _rv;
+}
- _rv = ecp_str2key((uint8_t *)public, buffer);
- if (_rv) return _rv;
+int ecp_util_read_key(int fd, ecp_ecdh_public_t *public, ecp_ecdh_private_t *private) {
+ int rv;
- if (private) {
- memset(buffer, 0, sizeof(buffer));
- rv = read(fd, buffer, sizeof(buffer));
- if (rv < (ECP_SIZE_ECDH_KEY_BUF - 1)) return ECP_ERR;
- if (buffer[ECP_SIZE_ECDH_KEY_BUF - 1] == '\n') buffer[ECP_SIZE_ECDH_KEY_BUF - 1] = '\0';
+ rv = _read_key(fd, (uint8_t *)public);
+ if (rv) return rv;
- _rv = ecp_str2key((uint8_t *)private, buffer);
- if (_rv) return _rv;
+ if (private) {
+ rv = _read_key(fd, (uint8_t *)private);
+ if (rv) return rv;
}
return ECP_OK;