[eXosip_byte_generate_random/no openssl] fix infinite loop when exosip is compiled without opensslHEADmaster

1 files changed, 11 insertions, 2 deletions

diff --git a/src/jrequest.c b/src/jrequest.c
index 9e3e920..04d85b1 100644
--- a/src/jrequest.c
+++ b/src/jrequest.c
@@ -99,8 +99,17 @@ int eXosip_byte_generate_random(char *buf, int buf_size) {
 #ifdef HAVE_OPENSSL_SSL_H
   return RAND_bytes((unsigned char *) buf, buf_size) > 0 ? 0 : -1;
 #else
-  eXosip_generate_random(buf, 16);
-  eXosip_hexa_generate_random(buf, buf_size, buf, "key", "crypto");
+  unsigned int random_value;
+  int remaining_bytes = buf_size;
+  char *buf_ptr = buf;
+
+  while (remaining_bytes > 0) {
+    random_value = osip_build_random_number();
+    int copy_size = remaining_bytes < sizeof(random_value) ? remaining_bytes : sizeof(random_value);
+    memcpy(buf_ptr, &random_value, copy_size);
+    buf_ptr += copy_size;
+    remaining_bytes -= copy_size;
+  }
   return 0;
 #endif
 }