X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;ds=sidebyside;f=src%2Fmeta.c;h=2791ea198c2b4e4471f7e0734a613cff686cc9bf;hb=1b8f8918360b40a2749d40355266ed7dedbe41b5;hp=795141123e7abda5fa7274cb39925f4a824c83b5;hpb=f42e57f663a2663c830c4fb4c01927c2d3c89c09;p=meshlink diff --git a/src/meta.c b/src/meta.c index 79514112..2791ea19 100644 --- a/src/meta.c +++ b/src/meta.c @@ -22,10 +22,8 @@ #include "system.h" -#include -#include - #include "splay_tree.h" +#include "cipher.h" #include "connection.h" #include "logger.h" #include "meta.h" @@ -35,31 +33,23 @@ #include "xalloc.h" bool send_meta(connection_t *c, const char *buffer, int length) { - int outlen; - int result; cp(); - ifdebug(META) logger(LOG_DEBUG, _("Sending %d bytes of metadata to %s (%s)"), length, - c->name, c->hostname); + ifdebug(META) logger(LOG_DEBUG, _("Sending %d bytes of metadata to %s (%s)"), length, c->name, c->hostname); /* Add our data to buffer */ if(c->status.encryptout) { char outbuf[length]; + size_t outlen = length; - result = EVP_EncryptUpdate(c->outctx, (unsigned char *)outbuf, &outlen, (unsigned char *)buffer, length); - if(!result || outlen != length) { - logger(LOG_ERR, _("Error while encrypting metadata to %s (%s): %s"), - c->name, c->hostname, ERR_error_string(ERR_get_error(), NULL)); + if(!cipher_encrypt(&c->outcipher, buffer, length, outbuf, &outlen, false) || outlen != length) { + logger(LOG_ERR, _("Error while encrypting metadata to %s (%s)"), c->name, c->hostname); return false; } - logger(LOG_DEBUG, _("Encrypted write %p %p %p %d"), c, c->buffer, outbuf, length); bufferevent_write(c->buffer, (void *)outbuf, length); - logger(LOG_DEBUG, _("Done.")); } else { - logger(LOG_DEBUG, _("Unencrypted write %p %p %p %d"), c, c->buffer, buffer, length); bufferevent_write(c->buffer, (void *)buffer, length); - logger(LOG_DEBUG, _("Done.")); } return true; @@ -80,7 +70,7 @@ void broadcast_meta(connection_t *from, const char *buffer, int length) { } bool receive_meta(connection_t *c) { - int result, inlen, outlen; + size_t inlen; char inbuf[MAXBUFSIZE]; char *bufp = inbuf, *endp; @@ -110,23 +100,20 @@ bool receive_meta(connection_t *c) { else endp = bufp + inlen; - logger(LOG_DEBUG, _("Received unencrypted %ld of %d bytes"), endp - bufp, inlen); - evbuffer_add(c->buffer->input, bufp, endp - bufp); inlen -= endp - bufp; bufp = endp; } else { - logger(LOG_DEBUG, _("Received encrypted %d bytes"), inlen); + size_t outlen = inlen; evbuffer_expand(c->buffer->input, inlen); - result = EVP_DecryptUpdate(c->inctx, (unsigned char *)c->buffer->input->buffer, &outlen, (unsigned char *)bufp, inlen); - if(!result || outlen != inlen) { - logger(LOG_ERR, _("Error while decrypting metadata from %s (%s): %s"), - c->name, c->hostname, ERR_error_string(ERR_get_error(), NULL)); + + if(!cipher_decrypt(&c->incipher, bufp, inlen, c->buffer->input->buffer, &outlen, false) || inlen != outlen) { + logger(LOG_ERR, _("Error while decrypting metadata from %s (%s)"), c->name, c->hostname); return false; } - c->buffer->input->off += inlen; + c->buffer->input->off += inlen; inlen = 0; } @@ -148,8 +135,10 @@ bool receive_meta(connection_t *c) { char *request = evbuffer_readline(c->buffer->input); if(request) { - receive_request(c, request); + bool result = receive_request(c, request); free(request); + if(!result) + return false; continue; } else { break;