diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/libbb.h | 88 |
1 files changed, 67 insertions, 21 deletions
diff --git a/include/libbb.h b/include/libbb.h index 87f89c7..ba3b147 100644 --- a/include/libbb.h +++ b/include/libbb.h @@ -355,6 +355,27 @@ extern char *skip_dev_pfx(const char *tty_name) FAST_FUNC; extern char *strrstr(const char *haystack, const char *needle) FAST_FUNC; +/* dmalloc will redefine these to it's own implementation. It is safe + * to have the prototypes here unconditionally. */ +void *malloc_or_warn(size_t size) FAST_FUNC RETURNS_MALLOC; +void *xmalloc(size_t size) FAST_FUNC RETURNS_MALLOC; +void *xzalloc(size_t size) FAST_FUNC RETURNS_MALLOC; +void *xrealloc(void *old, size_t size) FAST_FUNC; +/* After v = xrealloc_vector(v, SHIFT, idx) it's ok to use + * at least v[idx] and v[idx+1], for all idx values. + * SHIFT specifies how many new elements are added (1:2, 2:4, ..., 8:256...) + * when all elements are used up. New elements are zeroed out. + * xrealloc_vector(v, SHIFT, idx) *MUST* be called with consecutive IDXs - + * skipping an index is a bad bug - it may miss a realloc! + */ +#define xrealloc_vector(vector, shift, idx) \ + xrealloc_vector_helper((vector), (sizeof((vector)[0]) << 8) + (shift), (idx)) +void* xrealloc_vector_helper(void *vector, unsigned sizeof_and_shift, int idx) FAST_FUNC; +char *xstrdup(const char *s) FAST_FUNC RETURNS_MALLOC; +char *xstrndup(const char *s, int n) FAST_FUNC RETURNS_MALLOC; +void *xmemdup(const void *s, int n) FAST_FUNC RETURNS_MALLOC; + + //TODO: supply a pointer to char[11] buffer (avoid statics)? extern const char *bb_mode_string(mode_t mode) FAST_FUNC; extern int is_directory(const char *name, int followLinks) FAST_FUNC; @@ -692,6 +713,52 @@ struct hostent *xgethostbyname(const char *name) FAST_FUNC; // Also mount.c and inetd.c are using gethostbyname(), // + inet_common.c has additional IPv4-only stuff +#define SHA256_INSIZE 64 +#define SHA256_OUTSIZE 32 +#define AES_BLOCKSIZE 16 +#define AES128_KEYSIZE 16 +#define AES256_KEYSIZE 32 +struct tls_handshake_data; /* opaque */ +typedef struct tls_state { + int ofd; + int ifd; + + int min_encrypted_len_on_read; + uint8_t encrypt_on_write; + + uint8_t *outbuf; + int outbuf_size; + + int inbuf_size; + int ofs_to_buffered; + int buffered_size; + uint8_t *inbuf; + + struct tls_handshake_data *hsd; + + // RFC 5246 + // sequence number + // Each connection state contains a sequence number, which is + // maintained separately for read and write states. The sequence + // number MUST be set to zero whenever a connection state is made the + // active state. Sequence numbers are of type uint64 and may not + // exceed 2^64-1. + /*uint64_t read_seq64_be;*/ + uint64_t write_seq64_be; + + uint8_t client_write_MAC_key[SHA256_OUTSIZE]; + uint8_t server_write_MAC_key[SHA256_OUTSIZE]; + uint8_t client_write_key[AES256_KEYSIZE]; + uint8_t server_write_key[AES256_KEYSIZE]; +} tls_state_t; + +static inline tls_state_t *new_tls_state(void) +{ + tls_state_t *tls = xzalloc(sizeof(*tls)); + return tls; +} +void tls_handshake(tls_state_t *tls, const char *sni) FAST_FUNC; +void tls_run_copy_loop(tls_state_t *tls) FAST_FUNC; void socket_want_pktinfo(int fd) FAST_FUNC; ssize_t send_to_from(int fd, void *buf, size_t len, int flags, @@ -705,9 +772,6 @@ ssize_t recv_from_to(int fd, void *buf, size_t len, int flags, uint16_t inet_cksum(uint16_t *addr, int len) FAST_FUNC; -char *xstrdup(const char *s) FAST_FUNC RETURNS_MALLOC; -char *xstrndup(const char *s, int n) FAST_FUNC RETURNS_MALLOC; -void *xmemdup(const void *s, int n) FAST_FUNC RETURNS_MALLOC; void overlapping_strcpy(char *dst, const char *src) FAST_FUNC; char *safe_strncpy(char *dst, const char *src, size_t size) FAST_FUNC; char *strncpy_IFNAMSIZ(char *dst, const char *src) FAST_FUNC; @@ -753,24 +817,6 @@ enum { }; void visible(unsigned ch, char *buf, int flags) FAST_FUNC; -/* dmalloc will redefine these to it's own implementation. It is safe - * to have the prototypes here unconditionally. */ -void *malloc_or_warn(size_t size) FAST_FUNC RETURNS_MALLOC; -void *xmalloc(size_t size) FAST_FUNC RETURNS_MALLOC; -void *xzalloc(size_t size) FAST_FUNC RETURNS_MALLOC; -void *xrealloc(void *old, size_t size) FAST_FUNC; -/* After v = xrealloc_vector(v, SHIFT, idx) it's ok to use - * at least v[idx] and v[idx+1], for all idx values. - * SHIFT specifies how many new elements are added (1:2, 2:4, ..., 8:256...) - * when all elements are used up. New elements are zeroed out. - * xrealloc_vector(v, SHIFT, idx) *MUST* be called with consecutive IDXs - - * skipping an index is a bad bug - it may miss a realloc! - */ -#define xrealloc_vector(vector, shift, idx) \ - xrealloc_vector_helper((vector), (sizeof((vector)[0]) << 8) + (shift), (idx)) -void* xrealloc_vector_helper(void *vector, unsigned sizeof_and_shift, int idx) FAST_FUNC; - - extern ssize_t safe_read(int fd, void *buf, size_t count) FAST_FUNC; extern ssize_t nonblock_immune_read(int fd, void *buf, size_t count) FAST_FUNC; // NB: will return short read on error, not -1, |