X-Git-Url: https://www.tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fconnection.h;h=9ca1e8da271ba85058b82a043a2674e4b4479cc1;hb=668750c022a02cc54756316907f1cbbf7d673025;hp=b23e02b75c54564e9223c60360c6d071cea2a944;hpb=0871c3095151bce6a4031a2662aa51b7193b855c;p=tinc diff --git a/src/connection.h b/src/connection.h index b23e02b7..9ca1e8da 100644 --- a/src/connection.h +++ b/src/connection.h @@ -27,6 +27,7 @@ #include "rsa.h" #include "list.h" #include "sptps.h" +#include "logger.h" #define OPTION_INDIRECT 0x0001 #define OPTION_TCPONLY 0x0002 @@ -34,29 +35,53 @@ #define OPTION_CLAMP_MSS 0x0008 #define OPTION_VERSION(x) ((x) >> 24) /* Top 8 bits are for protocol minor version */ -typedef struct connection_status_t { - bool pinged: 1; /* sent ping */ - bool unused_active: 1; - bool connecting: 1; /* 1 if we are waiting for a non-blocking connect() to finish */ - bool unused_termreq: 1; /* the termination of this connection was requested */ - bool remove_unused: 1; /* Set to 1 if you want this connection removed */ - bool timeout_unused: 1; /* 1 if gotten timeout */ - bool encryptout: 1; /* 1 if we can encrypt outgoing traffic */ - bool decryptin: 1; /* 1 if we have to decrypt incoming traffic */ - bool mst: 1; /* 1 if this connection is part of a minimum spanning tree */ - bool control: 1; /* 1 if this is a control connection */ - bool pcap: 1; /* 1 if this is a control connection requesting packet capture */ - bool log: 1; /* 1 if this is a control connection requesting log dump */ - bool invitation: 1; /* 1 if this is an invitation */ - bool invitation_used: 1; /* 1 if the invitation has been consumed */ - bool tarpit: 1; /* 1 if the connection should be added to the tarpit */ - uint32_t unused: 17; +typedef union connection_status_t { + struct { + bool pinged: 1; /* sent ping */ + bool unused_active: 1; + bool connecting: 1; /* 1 if we are waiting for a non-blocking connect() to finish */ + bool unused_termreq: 1; /* the termination of this connection was requested */ + bool remove_unused: 1; /* Set to 1 if you want this connection removed */ + bool timeout_unused: 1; /* 1 if gotten timeout */ + bool encryptout: 1; /* 1 if we can encrypt outgoing traffic */ + bool decryptin: 1; /* 1 if we have to decrypt incoming traffic */ + bool mst: 1; /* 1 if this connection is part of a minimum spanning tree */ + bool control: 1; /* 1 if this is a control connection */ + bool pcap: 1; /* 1 if this is a control connection requesting packet capture */ + bool log: 1; /* 1 if this is a control connection requesting log dump */ + bool invitation: 1; /* 1 if this is an invitation */ + bool invitation_used: 1; /* 1 if the invitation has been consumed */ + bool tarpit: 1; /* 1 if the connection should be added to the tarpit */ + }; + uint32_t value; } connection_status_t; #include "ecdsa.h" #include "edge.h" #include "net.h" #include "node.h" +#include "compression.h" + +#ifndef DISABLE_LEGACY +typedef struct legacy_crypto_t { + cipher_t cipher; + digest_t digest; + uint64_t budget; +} legacy_crypto_t; + +bool init_crypto_by_nid(legacy_crypto_t *c, nid_t cipher, nid_t digest) ATTR_WARN_UNUSED; +bool init_crypto_by_name(legacy_crypto_t *c, const char *cipher, const char *digest) ATTR_WARN_UNUSED; +bool decrease_budget(legacy_crypto_t *c, size_t bytes) ATTR_WARN_UNUSED; + +typedef struct legacy_ctx_t { + rsa_t *rsa; /* his public RSA key or my private RSA key */ + legacy_crypto_t in; /* cipher/digest he will use to send data to us */ + legacy_crypto_t out; /* cipher/digest we will use to send data to him */ +} legacy_ctx_t; + +legacy_ctx_t *new_legacy_ctx(rsa_t *rsa) ATTR_MALLOC; +void free_legacy_ctx(legacy_ctx_t *ctx); +#endif typedef struct connection_t { char *name; /* name he claims to have */ @@ -77,20 +102,18 @@ typedef struct connection_t { struct edge_t *edge; /* edge associated with this connection */ #ifndef DISABLE_LEGACY - rsa_t *rsa; /* his public RSA key */ - cipher_t *incipher; /* Cipher he will use to send data to us */ - cipher_t *outcipher; /* Cipher we will use to send data to him */ - digest_t *indigest; - digest_t *outdigest; - uint64_t inbudget; - uint64_t outbudget; + legacy_ctx_t *legacy; #endif ecdsa_t *ecdsa; /* his public ECDSA key */ sptps_t sptps; int outmaclength; - int outcompression; /* compression level from compression_level_t */ + + union { + compression_level_t outcompression; + debug_t log_level; // used for REQ_LOG + }; uint8_t *hischallenge; /* The challenge we sent to him */ uint8_t *mychallenge; /* The challenge we received */ @@ -112,7 +135,7 @@ extern connection_t *everyone; extern void init_connections(void); extern void exit_connections(void); -extern connection_t *new_connection(void) __attribute__((__malloc__)); +extern connection_t *new_connection(void) ATTR_MALLOC; extern void free_connection(connection_t *c); extern void connection_add(connection_t *c); extern void connection_del(connection_t *c);