diff options
Diffstat (limited to 'libs/libssh2/src/libssh2_priv.h')
| -rw-r--r-- | libs/libssh2/src/libssh2_priv.h | 97 |
1 files changed, 79 insertions, 18 deletions
diff --git a/libs/libssh2/src/libssh2_priv.h b/libs/libssh2/src/libssh2_priv.h index 96af134279..18d9ab2130 100644 --- a/libs/libssh2/src/libssh2_priv.h +++ b/libs/libssh2/src/libssh2_priv.h @@ -1,5 +1,5 @@ -#ifndef __LIBSSH2_PRIV_H -#define __LIBSSH2_PRIV_H +#ifndef LIBSSH2_PRIV_H +#define LIBSSH2_PRIV_H /* Copyright (C) Sara Golemon <sarag@libssh2.org> * Copyright (C) Daniel Stenberg * Copyright (C) Simon Josefsson @@ -41,7 +41,14 @@ * SPDX-License-Identifier: BSD-3-Clause */ -/* Header used by 'src' */ +/* Header used by 'src' and 'tests' */ + +/* FIXME: Disable warnings for 'src' */ +#if !defined(LIBSSH2_TESTS) && !defined(LIBSSH2_WARN_SIGN_CONVERSION) +#ifdef __GNUC__ +#pragma GCC diagnostic ignored "-Wsign-conversion" +#endif +#endif #define LIBSSH2_LIBRARY @@ -86,6 +93,19 @@ #include "libssh2_sftp.h" #include "misc.h" +#ifdef _WIN32 +/* Detect Windows App environment which has a restricted access + to the Win32 APIs. */ +# if (defined(_WIN32_WINNT) && (_WIN32_WINNT >= 0x0602)) || \ + defined(WINAPI_FAMILY) +# include <winapifamily.h> +# if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP) && \ + !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP) +# define LIBSSH2_WINDOWS_UWP +# endif +# endif +#endif + #ifndef FALSE #define FALSE 0 #endif @@ -93,12 +113,28 @@ #define TRUE 1 #endif +#if (defined(__GNUC__) || defined(__clang__)) && \ + defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901L) && \ + !defined(LIBSSH2_NO_FMT_CHECKS) +#ifdef __MINGW_PRINTF_FORMAT +#define LIBSSH2_PRINTF(fmt, arg) \ + __attribute__((format(__MINGW_PRINTF_FORMAT, fmt, arg))) +#elif !defined(__MINGW32__) +#define LIBSSH2_PRINTF(fmt, arg) \ + __attribute__((format(printf, fmt, arg))) +#endif +#endif +#ifndef LIBSSH2_PRINTF +#define LIBSSH2_PRINTF(fmt, arg) +#endif + /* Use local implementation when not available */ #if !defined(HAVE_SNPRINTF) #undef snprintf #define snprintf _libssh2_snprintf #define LIBSSH2_SNPRINTF -int _libssh2_snprintf(char *cp, size_t cp_max_len, const char *fmt, ...); +int _libssh2_snprintf(char *cp, size_t cp_max_len, const char *fmt, ...) + LIBSSH2_PRINTF(3, 4); #endif #if !defined(HAVE_GETTIMEOFDAY) @@ -111,6 +147,15 @@ int _libssh2_gettimeofday(struct timeval *tp, void *tzp); #include <sys/time.h> #endif +#if !defined(LIBSSH2_FALLTHROUGH) +#if (defined(__GNUC__) && __GNUC__ >= 7) || \ + (defined(__clang__) && __clang_major__ >= 10) +# define LIBSSH2_FALLTHROUGH() __attribute__((fallthrough)) +#else +# define LIBSSH2_FALLTHROUGH() do {} while (0) +#endif +#endif + /* "inline" keyword is valid only with C++ engine! */ #ifdef __GNUC__ #undef inline @@ -121,7 +166,7 @@ int _libssh2_gettimeofday(struct timeval *tp, void *tzp); #endif /* 3DS doesn't seem to have iovec */ -#if defined(WIN32) || defined(_3DS) +#if defined(_WIN32) || defined(_3DS) struct iovec { size_t iov_len; @@ -152,6 +197,9 @@ struct iovec { #define LIBSSH2_MAX(x, y) ((x) > (y) ? (x) : (y)) #define LIBSSH2_MIN(x, y) ((x) < (y) ? (x) : (y)) +#define MAX_BLOCKSIZE 32 /* MUST fit biggest crypto block size we use/get */ +#define MAX_MACSIZE 64 /* MUST fit biggest MAC length we support */ + /* RFC4253 section 6.1 Maximum Packet Length says: * * "All implementations MUST be able to process packets with @@ -402,7 +450,7 @@ struct _LIBSSH2_CHANNEL struct list_node node; unsigned char *channel_type; - unsigned channel_type_len; + size_t channel_type_len; /* channel's program exit status */ int exit_status; @@ -455,7 +503,7 @@ struct _LIBSSH2_CHANNEL size_t flush_refund_bytes; size_t flush_flush_bytes; - /* State variables used in libssh2_channel_receive_window_adjust() */ + /* State variables used in libssh2_channel_receive_window_adjust2() */ libssh2_nonblocking_states adjust_state; unsigned char adjust_adjust[9]; /* packet_type(1) + channel(4) + adjustment(4) */ @@ -688,6 +736,9 @@ struct _LIBSSH2_SESSION /* key signing algorithm preferences -- NULL yields server order */ char *sign_algo_prefs; + /* Whether to use the OpenSSH Strict KEX extension */ + int kex_strict; + /* (remote as source of data -- packet_read ) */ libssh2_endpoint_data remote; @@ -710,7 +761,8 @@ struct _LIBSSH2_SESSION int socket_state; int socket_block_directions; int socket_prev_blockstate; /* stores the state of the socket blockiness - when libssh2_session_startup() is called */ + when libssh2_session_handshake() + is called */ /* Error tracking */ const char *err_msg; @@ -736,7 +788,7 @@ struct _LIBSSH2_SESSION unsigned char *kexinit_data; size_t kexinit_data_len; - /* State variables used in libssh2_session_startup() */ + /* State variables used in libssh2_session_handshake() */ libssh2_nonblocking_states startup_state; unsigned char *startup_data; size_t startup_data_len; @@ -859,6 +911,7 @@ struct _LIBSSH2_SESSION int fullpacket_macstate; size_t fullpacket_payload_len; int fullpacket_packet_type; + uint32_t fullpacket_required_type; /* State variables used in libssh2_sftp_init() */ libssh2_nonblocking_states sftpInit_state; @@ -869,7 +922,7 @@ struct _LIBSSH2_SESSION size_t sftpInit_sent; /* number of bytes from the buffer that have been sent */ - /* State variables used in libssh2_scp_recv() / libssh_scp_recv2() */ + /* State variables used in libssh2_scp_recv2() */ libssh2_nonblocking_states scpRecv_state; unsigned char *scpRecv_command; size_t scpRecv_command_len; @@ -899,10 +952,11 @@ struct _LIBSSH2_SESSION }; /* session.state bits */ -#define LIBSSH2_STATE_EXCHANGING_KEYS 0x00000001 -#define LIBSSH2_STATE_NEWKEYS 0x00000002 -#define LIBSSH2_STATE_AUTHENTICATED 0x00000004 -#define LIBSSH2_STATE_KEX_ACTIVE 0x00000008 +#define LIBSSH2_STATE_INITIAL_KEX 0x00000001 +#define LIBSSH2_STATE_EXCHANGING_KEYS 0x00000002 +#define LIBSSH2_STATE_NEWKEYS 0x00000004 +#define LIBSSH2_STATE_AUTHENTICATED 0x00000008 +#define LIBSSH2_STATE_KEX_ACTIVE 0x00000010 /* session.flag helpers */ #ifdef MSG_NOSIGNAL @@ -1032,7 +1086,7 @@ struct _LIBSSH2_COMP_METHOD #ifdef LIBSSH2DEBUG void _libssh2_debug_low(LIBSSH2_SESSION * session, int context, const char *format, - ...); + ...) LIBSSH2_PRINTF(3, 4); #define _libssh2_debug(x) _libssh2_debug_low x #else #define _libssh2_debug(x) do {} while(0) @@ -1133,6 +1187,11 @@ ssize_t _libssh2_send(libssh2_socket_t socket, const void *buffer, int _libssh2_kex_exchange(LIBSSH2_SESSION * session, int reexchange, key_exchange_state_t * state); +unsigned char *_libssh2_kex_agree_instr(unsigned char *haystack, + size_t haystack_len, + const unsigned char *needle, + size_t needle_len); + /* Let crypt.c/hostkey.c expose their method structs */ const LIBSSH2_CRYPT_METHOD **libssh2_crypt_methods(void); const LIBSSH2_HOSTKEY_METHOD **libssh2_hostkey_methods(void); @@ -1182,6 +1241,8 @@ size_t plain_method(char *method, size_t method_len); /* define to output the libssh2_int64_t type in a *printf() */ #if defined(__BORLANDC__) || defined(_MSC_VER) #define LIBSSH2_INT64_T_FORMAT "I64d" +#elif defined(__MINGW32__) +#define LIBSSH2_INT64_T_FORMAT PRId64 #else #define LIBSSH2_INT64_T_FORMAT "lld" #endif @@ -1189,12 +1250,12 @@ size_t plain_method(char *method, size_t method_len); /* In Windows the default file mode is text but an application can override it. Therefore we specify it explicitly. https://github.com/curl/curl/pull/258 */ -#if defined(WIN32) || defined(MSDOS) +#if defined(_WIN32) || defined(MSDOS) #define FOPEN_READTEXT "rt" #define FOPEN_WRITETEXT "wt" #define FOPEN_APPENDTEXT "at" #elif defined(__CYGWIN__) -/* Cygwin has specific behavior we need to address when WIN32 is not defined. +/* Cygwin has specific behavior we need to address when _WIN32 is not defined. https://cygwin.com/cygwin-ug-net/using-textbinary.html For write we want our output to have line endings of LF and be compatible with other Cygwin utilities. For read we want to handle input that may have @@ -1209,4 +1270,4 @@ size_t plain_method(char *method, size_t method_len); #define FOPEN_APPENDTEXT "a" #endif -#endif /* __LIBSSH2_PRIV_H */ +#endif /* LIBSSH2_PRIV_H */ |