diff options
Diffstat (limited to 'thirdparty/openssl/crypto/comp')
| -rw-r--r-- | thirdparty/openssl/crypto/comp/c_rle.c | 62 | ||||
| -rw-r--r-- | thirdparty/openssl/crypto/comp/c_zlib.c | 763 | ||||
| -rw-r--r-- | thirdparty/openssl/crypto/comp/comp_err.c | 98 | ||||
| -rw-r--r-- | thirdparty/openssl/crypto/comp/comp_lib.c | 66 |
4 files changed, 989 insertions, 0 deletions
diff --git a/thirdparty/openssl/crypto/comp/c_rle.c b/thirdparty/openssl/crypto/comp/c_rle.c new file mode 100644 index 0000000000..e9aabbd166 --- /dev/null +++ b/thirdparty/openssl/crypto/comp/c_rle.c @@ -0,0 +1,62 @@ +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <openssl/objects.h> +#include <openssl/comp.h> + +static int rle_compress_block(COMP_CTX *ctx, unsigned char *out, + unsigned int olen, unsigned char *in, + unsigned int ilen); +static int rle_expand_block(COMP_CTX *ctx, unsigned char *out, + unsigned int olen, unsigned char *in, + unsigned int ilen); + +static COMP_METHOD rle_method = { + NID_rle_compression, + LN_rle_compression, + NULL, + NULL, + rle_compress_block, + rle_expand_block, + NULL, + NULL, +}; + +COMP_METHOD *COMP_rle(void) +{ + return (&rle_method); +} + +static int rle_compress_block(COMP_CTX *ctx, unsigned char *out, + unsigned int olen, unsigned char *in, + unsigned int ilen) +{ + /* int i; */ + + if (ilen == 0 || olen < (ilen - 1)) { + /* ZZZZZZZZZZZZZZZZZZZZZZ */ + return (-1); + } + + *(out++) = 0; + memcpy(out, in, ilen); + return (ilen + 1); +} + +static int rle_expand_block(COMP_CTX *ctx, unsigned char *out, + unsigned int olen, unsigned char *in, + unsigned int ilen) +{ + int i; + + if (olen < (ilen - 1)) { + /* ZZZZZZZZZZZZZZZZZZZZZZ */ + return (-1); + } + + i = *(in++); + if (i == 0) { + memcpy(out, in, ilen - 1); + } + return (ilen - 1); +} diff --git a/thirdparty/openssl/crypto/comp/c_zlib.c b/thirdparty/openssl/crypto/comp/c_zlib.c new file mode 100644 index 0000000000..9c32614d3c --- /dev/null +++ b/thirdparty/openssl/crypto/comp/c_zlib.c @@ -0,0 +1,763 @@ +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <openssl/objects.h> +#include <openssl/comp.h> +#include <openssl/err.h> + +COMP_METHOD *COMP_zlib(void); + +static COMP_METHOD zlib_method_nozlib = { + NID_undef, + "(undef)", + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, +}; + +#ifndef ZLIB +# undef ZLIB_SHARED +#else + +# include <zlib.h> + +static int zlib_stateful_init(COMP_CTX *ctx); +static void zlib_stateful_finish(COMP_CTX *ctx); +static int zlib_stateful_compress_block(COMP_CTX *ctx, unsigned char *out, + unsigned int olen, unsigned char *in, + unsigned int ilen); +static int zlib_stateful_expand_block(COMP_CTX *ctx, unsigned char *out, + unsigned int olen, unsigned char *in, + unsigned int ilen); + +/* memory allocations functions for zlib intialization */ +static void *zlib_zalloc(void *opaque, unsigned int no, unsigned int size) +{ + void *p; + + p = OPENSSL_malloc(no * size); + if (p) + memset(p, 0, no * size); + return p; +} + +static void zlib_zfree(void *opaque, void *address) +{ + OPENSSL_free(address); +} + +# if 0 +static int zlib_compress_block(COMP_CTX *ctx, unsigned char *out, + unsigned int olen, unsigned char *in, + unsigned int ilen); +static int zlib_expand_block(COMP_CTX *ctx, unsigned char *out, + unsigned int olen, unsigned char *in, + unsigned int ilen); + +static int zz_uncompress(Bytef *dest, uLongf * destLen, const Bytef *source, + uLong sourceLen); + +static COMP_METHOD zlib_stateless_method = { + NID_zlib_compression, + LN_zlib_compression, + NULL, + NULL, + zlib_compress_block, + zlib_expand_block, + NULL, + NULL, +}; +# endif + +static COMP_METHOD zlib_stateful_method = { + NID_zlib_compression, + LN_zlib_compression, + zlib_stateful_init, + zlib_stateful_finish, + zlib_stateful_compress_block, + zlib_stateful_expand_block, + NULL, + NULL, +}; + +/* + * When OpenSSL is built on Windows, we do not want to require that + * the ZLIB.DLL be available in order for the OpenSSL DLLs to + * work. Therefore, all ZLIB routines are loaded at run time + * and we do not link to a .LIB file when ZLIB_SHARED is set. + */ +# if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_WIN32) +# include <windows.h> +# endif /* !(OPENSSL_SYS_WINDOWS || + * OPENSSL_SYS_WIN32) */ + +# ifdef ZLIB_SHARED +# include <openssl/dso.h> + +/* Function pointers */ +typedef int (*compress_ft) (Bytef *dest, uLongf * destLen, + const Bytef *source, uLong sourceLen); +typedef int (*inflateEnd_ft) (z_streamp strm); +typedef int (*inflate_ft) (z_streamp strm, int flush); +typedef int (*inflateInit__ft) (z_streamp strm, + const char *version, int stream_size); +typedef int (*deflateEnd_ft) (z_streamp strm); +typedef int (*deflate_ft) (z_streamp strm, int flush); +typedef int (*deflateInit__ft) (z_streamp strm, int level, + const char *version, int stream_size); +typedef const char *(*zError__ft) (int err); +static compress_ft p_compress = NULL; +static inflateEnd_ft p_inflateEnd = NULL; +static inflate_ft p_inflate = NULL; +static inflateInit__ft p_inflateInit_ = NULL; +static deflateEnd_ft p_deflateEnd = NULL; +static deflate_ft p_deflate = NULL; +static deflateInit__ft p_deflateInit_ = NULL; +static zError__ft p_zError = NULL; + +static int zlib_loaded = 0; /* only attempt to init func pts once */ +static DSO *zlib_dso = NULL; + +# define compress p_compress +# define inflateEnd p_inflateEnd +# define inflate p_inflate +# define inflateInit_ p_inflateInit_ +# define deflateEnd p_deflateEnd +# define deflate p_deflate +# define deflateInit_ p_deflateInit_ +# define zError p_zError +# endif /* ZLIB_SHARED */ + +struct zlib_state { + z_stream istream; + z_stream ostream; +}; + +static int zlib_stateful_ex_idx = -1; + +static int zlib_stateful_init(COMP_CTX *ctx) +{ + int err; + struct zlib_state *state = + (struct zlib_state *)OPENSSL_malloc(sizeof(struct zlib_state)); + + if (state == NULL) + goto err; + + state->istream.zalloc = zlib_zalloc; + state->istream.zfree = zlib_zfree; + state->istream.opaque = Z_NULL; + state->istream.next_in = Z_NULL; + state->istream.next_out = Z_NULL; + state->istream.avail_in = 0; + state->istream.avail_out = 0; + err = inflateInit_(&state->istream, ZLIB_VERSION, sizeof(z_stream)); + if (err != Z_OK) + goto err; + + state->ostream.zalloc = zlib_zalloc; + state->ostream.zfree = zlib_zfree; + state->ostream.opaque = Z_NULL; + state->ostream.next_in = Z_NULL; + state->ostream.next_out = Z_NULL; + state->ostream.avail_in = 0; + state->ostream.avail_out = 0; + err = deflateInit_(&state->ostream, Z_DEFAULT_COMPRESSION, + ZLIB_VERSION, sizeof(z_stream)); + if (err != Z_OK) + goto err; + + CRYPTO_new_ex_data(CRYPTO_EX_INDEX_COMP, ctx, &ctx->ex_data); + CRYPTO_set_ex_data(&ctx->ex_data, zlib_stateful_ex_idx, state); + return 1; + err: + if (state) + OPENSSL_free(state); + return 0; +} + +static void zlib_stateful_finish(COMP_CTX *ctx) +{ + struct zlib_state *state = + (struct zlib_state *)CRYPTO_get_ex_data(&ctx->ex_data, + zlib_stateful_ex_idx); + inflateEnd(&state->istream); + deflateEnd(&state->ostream); + OPENSSL_free(state); + CRYPTO_free_ex_data(CRYPTO_EX_INDEX_COMP, ctx, &ctx->ex_data); +} + +static int zlib_stateful_compress_block(COMP_CTX *ctx, unsigned char *out, + unsigned int olen, unsigned char *in, + unsigned int ilen) +{ + int err = Z_OK; + struct zlib_state *state = + (struct zlib_state *)CRYPTO_get_ex_data(&ctx->ex_data, + zlib_stateful_ex_idx); + + if (state == NULL) + return -1; + + state->ostream.next_in = in; + state->ostream.avail_in = ilen; + state->ostream.next_out = out; + state->ostream.avail_out = olen; + if (ilen > 0) + err = deflate(&state->ostream, Z_SYNC_FLUSH); + if (err != Z_OK) + return -1; +# ifdef DEBUG_ZLIB + fprintf(stderr, "compress(%4d)->%4d %s\n", + ilen, olen - state->ostream.avail_out, + (ilen != olen - state->ostream.avail_out) ? "zlib" : "clear"); +# endif + return olen - state->ostream.avail_out; +} + +static int zlib_stateful_expand_block(COMP_CTX *ctx, unsigned char *out, + unsigned int olen, unsigned char *in, + unsigned int ilen) +{ + int err = Z_OK; + + struct zlib_state *state = + (struct zlib_state *)CRYPTO_get_ex_data(&ctx->ex_data, + zlib_stateful_ex_idx); + + if (state == NULL) + return 0; + + state->istream.next_in = in; + state->istream.avail_in = ilen; + state->istream.next_out = out; + state->istream.avail_out = olen; + if (ilen > 0) + err = inflate(&state->istream, Z_SYNC_FLUSH); + if (err != Z_OK) + return -1; +# ifdef DEBUG_ZLIB + fprintf(stderr, "expand(%4d)->%4d %s\n", + ilen, olen - state->istream.avail_out, + (ilen != olen - state->istream.avail_out) ? "zlib" : "clear"); +# endif + return olen - state->istream.avail_out; +} + +# if 0 +static int zlib_compress_block(COMP_CTX *ctx, unsigned char *out, + unsigned int olen, unsigned char *in, + unsigned int ilen) +{ + unsigned long l; + int i; + int clear = 1; + + if (ilen > 128) { + out[0] = 1; + l = olen - 1; + i = compress(&(out[1]), &l, in, (unsigned long)ilen); + if (i != Z_OK) + return (-1); + if (ilen > l) { + clear = 0; + l++; + } + } + if (clear) { + out[0] = 0; + memcpy(&(out[1]), in, ilen); + l = ilen + 1; + } +# ifdef DEBUG_ZLIB + fprintf(stderr, "compress(%4d)->%4d %s\n", + ilen, (int)l, (clear) ? "clear" : "zlib"); +# endif + return ((int)l); +} + +static int zlib_expand_block(COMP_CTX *ctx, unsigned char *out, + unsigned int olen, unsigned char *in, + unsigned int ilen) +{ + unsigned long l; + int i; + + if (in[0]) { + l = olen; + i = zz_uncompress(out, &l, &(in[1]), (unsigned long)ilen - 1); + if (i != Z_OK) + return (-1); + } else { + memcpy(out, &(in[1]), ilen - 1); + l = ilen - 1; + } +# ifdef DEBUG_ZLIB + fprintf(stderr, "expand (%4d)->%4d %s\n", + ilen, (int)l, in[0] ? "zlib" : "clear"); +# endif + return ((int)l); +} + +static int zz_uncompress(Bytef *dest, uLongf * destLen, const Bytef *source, + uLong sourceLen) +{ + z_stream stream; + int err; + + stream.next_in = (Bytef *)source; + stream.avail_in = (uInt) sourceLen; + /* Check for source > 64K on 16-bit machine: */ + if ((uLong) stream.avail_in != sourceLen) + return Z_BUF_ERROR; + + stream.next_out = dest; + stream.avail_out = (uInt) * destLen; + if ((uLong) stream.avail_out != *destLen) + return Z_BUF_ERROR; + + stream.zalloc = (alloc_func) 0; + stream.zfree = (free_func) 0; + + err = inflateInit_(&stream, ZLIB_VERSION, sizeof(z_stream)); + if (err != Z_OK) + return err; + + err = inflate(&stream, Z_FINISH); + if (err != Z_STREAM_END) { + inflateEnd(&stream); + return err; + } + *destLen = stream.total_out; + + err = inflateEnd(&stream); + return err; +} +# endif + +#endif + +COMP_METHOD *COMP_zlib(void) +{ + COMP_METHOD *meth = &zlib_method_nozlib; + +#ifdef ZLIB_SHARED + if (!zlib_loaded) { +# if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_WIN32) + zlib_dso = DSO_load(NULL, "ZLIB1", NULL, 0); +# else + zlib_dso = DSO_load(NULL, "z", NULL, 0); +# endif + if (zlib_dso != NULL) { + p_compress = (compress_ft) DSO_bind_func(zlib_dso, "compress"); + p_inflateEnd + = (inflateEnd_ft) DSO_bind_func(zlib_dso, "inflateEnd"); + p_inflate = (inflate_ft) DSO_bind_func(zlib_dso, "inflate"); + p_inflateInit_ + = (inflateInit__ft) DSO_bind_func(zlib_dso, "inflateInit_"); + p_deflateEnd + = (deflateEnd_ft) DSO_bind_func(zlib_dso, "deflateEnd"); + p_deflate = (deflate_ft) DSO_bind_func(zlib_dso, "deflate"); + p_deflateInit_ + = (deflateInit__ft) DSO_bind_func(zlib_dso, "deflateInit_"); + p_zError = (zError__ft) DSO_bind_func(zlib_dso, "zError"); + + if (p_compress && p_inflateEnd && p_inflate + && p_inflateInit_ && p_deflateEnd + && p_deflate && p_deflateInit_ && p_zError) + zlib_loaded++; + } + } +#endif +#ifdef ZLIB_SHARED + if (zlib_loaded) +#endif +#if defined(ZLIB) || defined(ZLIB_SHARED) + { + /* + * init zlib_stateful_ex_idx here so that in a multi-process + * application it's enough to intialize openssl before forking (idx + * will be inherited in all the children) + */ + if (zlib_stateful_ex_idx == -1) { + CRYPTO_w_lock(CRYPTO_LOCK_COMP); + if (zlib_stateful_ex_idx == -1) + zlib_stateful_ex_idx = + CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_COMP, + 0, NULL, NULL, NULL, NULL); + CRYPTO_w_unlock(CRYPTO_LOCK_COMP); + if (zlib_stateful_ex_idx == -1) + goto err; + } + + meth = &zlib_stateful_method; + } + err: +#endif + + return (meth); +} + +void COMP_zlib_cleanup(void) +{ +#ifdef ZLIB_SHARED + if (zlib_dso != NULL) + DSO_free(zlib_dso); + zlib_dso = NULL; +#endif +} + +#ifdef ZLIB + +/* Zlib based compression/decompression filter BIO */ + +typedef struct { + unsigned char *ibuf; /* Input buffer */ + int ibufsize; /* Buffer size */ + z_stream zin; /* Input decompress context */ + unsigned char *obuf; /* Output buffer */ + int obufsize; /* Output buffer size */ + unsigned char *optr; /* Position in output buffer */ + int ocount; /* Amount of data in output buffer */ + int odone; /* deflate EOF */ + int comp_level; /* Compression level to use */ + z_stream zout; /* Output compression context */ +} BIO_ZLIB_CTX; + +# define ZLIB_DEFAULT_BUFSIZE 1024 + +static int bio_zlib_new(BIO *bi); +static int bio_zlib_free(BIO *bi); +static int bio_zlib_read(BIO *b, char *out, int outl); +static int bio_zlib_write(BIO *b, const char *in, int inl); +static long bio_zlib_ctrl(BIO *b, int cmd, long num, void *ptr); +static long bio_zlib_callback_ctrl(BIO *b, int cmd, bio_info_cb *fp); + +static BIO_METHOD bio_meth_zlib = { + BIO_TYPE_COMP, + "zlib", + bio_zlib_write, + bio_zlib_read, + NULL, + NULL, + bio_zlib_ctrl, + bio_zlib_new, + bio_zlib_free, + bio_zlib_callback_ctrl +}; + +BIO_METHOD *BIO_f_zlib(void) +{ + return &bio_meth_zlib; +} + +static int bio_zlib_new(BIO *bi) +{ + BIO_ZLIB_CTX *ctx; +# ifdef ZLIB_SHARED + (void)COMP_zlib(); + if (!zlib_loaded) { + COMPerr(COMP_F_BIO_ZLIB_NEW, COMP_R_ZLIB_NOT_SUPPORTED); + return 0; + } +# endif + ctx = OPENSSL_malloc(sizeof(BIO_ZLIB_CTX)); + if (!ctx) { + COMPerr(COMP_F_BIO_ZLIB_NEW, ERR_R_MALLOC_FAILURE); + return 0; + } + ctx->ibuf = NULL; + ctx->obuf = NULL; + ctx->ibufsize = ZLIB_DEFAULT_BUFSIZE; + ctx->obufsize = ZLIB_DEFAULT_BUFSIZE; + ctx->zin.zalloc = Z_NULL; + ctx->zin.zfree = Z_NULL; + ctx->zin.next_in = NULL; + ctx->zin.avail_in = 0; + ctx->zin.next_out = NULL; + ctx->zin.avail_out = 0; + ctx->zout.zalloc = Z_NULL; + ctx->zout.zfree = Z_NULL; + ctx->zout.next_in = NULL; + ctx->zout.avail_in = 0; + ctx->zout.next_out = NULL; + ctx->zout.avail_out = 0; + ctx->odone = 0; + ctx->comp_level = Z_DEFAULT_COMPRESSION; + bi->init = 1; + bi->ptr = (char *)ctx; + bi->flags = 0; + return 1; +} + +static int bio_zlib_free(BIO *bi) +{ + BIO_ZLIB_CTX *ctx; + if (!bi) + return 0; + ctx = (BIO_ZLIB_CTX *) bi->ptr; + if (ctx->ibuf) { + /* Destroy decompress context */ + inflateEnd(&ctx->zin); + OPENSSL_free(ctx->ibuf); + } + if (ctx->obuf) { + /* Destroy compress context */ + deflateEnd(&ctx->zout); + OPENSSL_free(ctx->obuf); + } + OPENSSL_free(ctx); + bi->ptr = NULL; + bi->init = 0; + bi->flags = 0; + return 1; +} + +static int bio_zlib_read(BIO *b, char *out, int outl) +{ + BIO_ZLIB_CTX *ctx; + int ret; + z_stream *zin; + if (!out || !outl) + return 0; + ctx = (BIO_ZLIB_CTX *) b->ptr; + zin = &ctx->zin; + BIO_clear_retry_flags(b); + if (!ctx->ibuf) { + ctx->ibuf = OPENSSL_malloc(ctx->ibufsize); + if (!ctx->ibuf) { + COMPerr(COMP_F_BIO_ZLIB_READ, ERR_R_MALLOC_FAILURE); + return 0; + } + inflateInit(zin); + zin->next_in = ctx->ibuf; + zin->avail_in = 0; + } + + /* Copy output data directly to supplied buffer */ + zin->next_out = (unsigned char *)out; + zin->avail_out = (unsigned int)outl; + for (;;) { + /* Decompress while data available */ + while (zin->avail_in) { + ret = inflate(zin, 0); + if ((ret != Z_OK) && (ret != Z_STREAM_END)) { + COMPerr(COMP_F_BIO_ZLIB_READ, COMP_R_ZLIB_INFLATE_ERROR); + ERR_add_error_data(2, "zlib error:", zError(ret)); + return 0; + } + /* If EOF or we've read everything then return */ + if ((ret == Z_STREAM_END) || !zin->avail_out) + return outl - zin->avail_out; + } + + /* + * No data in input buffer try to read some in, if an error then + * return the total data read. + */ + ret = BIO_read(b->next_bio, ctx->ibuf, ctx->ibufsize); + if (ret <= 0) { + /* Total data read */ + int tot = outl - zin->avail_out; + BIO_copy_next_retry(b); + if (ret < 0) + return (tot > 0) ? tot : ret; + return tot; + } + zin->avail_in = ret; + zin->next_in = ctx->ibuf; + } +} + +static int bio_zlib_write(BIO *b, const char *in, int inl) +{ + BIO_ZLIB_CTX *ctx; + int ret; + z_stream *zout; + if (!in || !inl) + return 0; + ctx = (BIO_ZLIB_CTX *) b->ptr; + if (ctx->odone) + return 0; + zout = &ctx->zout; + BIO_clear_retry_flags(b); + if (!ctx->obuf) { + ctx->obuf = OPENSSL_malloc(ctx->obufsize); + /* Need error here */ + if (!ctx->obuf) { + COMPerr(COMP_F_BIO_ZLIB_WRITE, ERR_R_MALLOC_FAILURE); + return 0; + } + ctx->optr = ctx->obuf; + ctx->ocount = 0; + deflateInit(zout, ctx->comp_level); + zout->next_out = ctx->obuf; + zout->avail_out = ctx->obufsize; + } + /* Obtain input data directly from supplied buffer */ + zout->next_in = (void *)in; + zout->avail_in = inl; + for (;;) { + /* If data in output buffer write it first */ + while (ctx->ocount) { + ret = BIO_write(b->next_bio, ctx->optr, ctx->ocount); + if (ret <= 0) { + /* Total data written */ + int tot = inl - zout->avail_in; + BIO_copy_next_retry(b); + if (ret < 0) + return (tot > 0) ? tot : ret; + return tot; + } + ctx->optr += ret; + ctx->ocount -= ret; + } + + /* Have we consumed all supplied data? */ + if (!zout->avail_in) + return inl; + + /* Compress some more */ + + /* Reset buffer */ + ctx->optr = ctx->obuf; + zout->next_out = ctx->obuf; + zout->avail_out = ctx->obufsize; + /* Compress some more */ + ret = deflate(zout, 0); + if (ret != Z_OK) { + COMPerr(COMP_F_BIO_ZLIB_WRITE, COMP_R_ZLIB_DEFLATE_ERROR); + ERR_add_error_data(2, "zlib error:", zError(ret)); + return 0; + } + ctx->ocount = ctx->obufsize - zout->avail_out; + } +} + +static int bio_zlib_flush(BIO *b) +{ + BIO_ZLIB_CTX *ctx; + int ret; + z_stream *zout; + ctx = (BIO_ZLIB_CTX *) b->ptr; + /* If no data written or already flush show success */ + if (!ctx->obuf || (ctx->odone && !ctx->ocount)) + return 1; + zout = &ctx->zout; + BIO_clear_retry_flags(b); + /* No more input data */ + zout->next_in = NULL; + zout->avail_in = 0; + for (;;) { + /* If data in output buffer write it first */ + while (ctx->ocount) { + ret = BIO_write(b->next_bio, ctx->optr, ctx->ocount); + if (ret <= 0) { + BIO_copy_next_retry(b); + return ret; + } + ctx->optr += ret; + ctx->ocount -= ret; + } + if (ctx->odone) + return 1; + + /* Compress some more */ + + /* Reset buffer */ + ctx->optr = ctx->obuf; + zout->next_out = ctx->obuf; + zout->avail_out = ctx->obufsize; + /* Compress some more */ + ret = deflate(zout, Z_FINISH); + if (ret == Z_STREAM_END) + ctx->odone = 1; + else if (ret != Z_OK) { + COMPerr(COMP_F_BIO_ZLIB_FLUSH, COMP_R_ZLIB_DEFLATE_ERROR); + ERR_add_error_data(2, "zlib error:", zError(ret)); + return 0; + } + ctx->ocount = ctx->obufsize - zout->avail_out; + } +} + +static long bio_zlib_ctrl(BIO *b, int cmd, long num, void *ptr) +{ + BIO_ZLIB_CTX *ctx; + int ret, *ip; + int ibs, obs; + if (!b->next_bio) + return 0; + ctx = (BIO_ZLIB_CTX *) b->ptr; + switch (cmd) { + + case BIO_CTRL_RESET: + ctx->ocount = 0; + ctx->odone = 0; + ret = 1; + break; + + case BIO_CTRL_FLUSH: + ret = bio_zlib_flush(b); + if (ret > 0) + ret = BIO_flush(b->next_bio); + break; + + case BIO_C_SET_BUFF_SIZE: + ibs = -1; + obs = -1; + if (ptr != NULL) { + ip = ptr; + if (*ip == 0) + ibs = (int)num; + else + obs = (int)num; + } else { + ibs = (int)num; + obs = ibs; + } + + if (ibs != -1) { + if (ctx->ibuf) { + OPENSSL_free(ctx->ibuf); + ctx->ibuf = NULL; + } + ctx->ibufsize = ibs; + } + + if (obs != -1) { + if (ctx->obuf) { + OPENSSL_free(ctx->obuf); + ctx->obuf = NULL; + } + ctx->obufsize = obs; + } + ret = 1; + break; + + case BIO_C_DO_STATE_MACHINE: + BIO_clear_retry_flags(b); + ret = BIO_ctrl(b->next_bio, cmd, num, ptr); + BIO_copy_next_retry(b); + break; + + default: + ret = BIO_ctrl(b->next_bio, cmd, num, ptr); + break; + + } + + return ret; +} + +static long bio_zlib_callback_ctrl(BIO *b, int cmd, bio_info_cb *fp) +{ + if (!b->next_bio) + return 0; + return BIO_callback_ctrl(b->next_bio, cmd, fp); +} + +#endif diff --git a/thirdparty/openssl/crypto/comp/comp_err.c b/thirdparty/openssl/crypto/comp/comp_err.c new file mode 100644 index 0000000000..8ca159b60e --- /dev/null +++ b/thirdparty/openssl/crypto/comp/comp_err.c @@ -0,0 +1,98 @@ +/* crypto/comp/comp_err.c */ +/* ==================================================================== + * Copyright (c) 1999-2007 The OpenSSL Project. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * 3. All advertising materials mentioning features or use of this + * software must display the following acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" + * + * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to + * endorse or promote products derived from this software without + * prior written permission. For written permission, please contact + * openssl-core@OpenSSL.org. + * + * 5. Products derived from this software may not be called "OpenSSL" + * nor may "OpenSSL" appear in their names without prior written + * permission of the OpenSSL Project. + * + * 6. Redistributions of any form whatsoever must retain the following + * acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" + * + * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY + * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR + * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + * ==================================================================== + * + * This product includes cryptographic software written by Eric Young + * (eay@cryptsoft.com). This product includes software written by Tim + * Hudson (tjh@cryptsoft.com). + * + */ + +/* + * NOTE: this file was auto generated by the mkerr.pl script: any changes + * made to it will be overwritten when the script next updates this file, + * only reason strings will be preserved. + */ + +#include <stdio.h> +#include <openssl/err.h> +#include <openssl/comp.h> + +/* BEGIN ERROR CODES */ +#ifndef OPENSSL_NO_ERR + +# define ERR_FUNC(func) ERR_PACK(ERR_LIB_COMP,func,0) +# define ERR_REASON(reason) ERR_PACK(ERR_LIB_COMP,0,reason) + +static ERR_STRING_DATA COMP_str_functs[] = { + {ERR_FUNC(COMP_F_BIO_ZLIB_FLUSH), "BIO_ZLIB_FLUSH"}, + {ERR_FUNC(COMP_F_BIO_ZLIB_NEW), "BIO_ZLIB_NEW"}, + {ERR_FUNC(COMP_F_BIO_ZLIB_READ), "BIO_ZLIB_READ"}, + {ERR_FUNC(COMP_F_BIO_ZLIB_WRITE), "BIO_ZLIB_WRITE"}, + {0, NULL} +}; + +static ERR_STRING_DATA COMP_str_reasons[] = { + {ERR_REASON(COMP_R_ZLIB_DEFLATE_ERROR), "zlib deflate error"}, + {ERR_REASON(COMP_R_ZLIB_INFLATE_ERROR), "zlib inflate error"}, + {ERR_REASON(COMP_R_ZLIB_NOT_SUPPORTED), "zlib not supported"}, + {0, NULL} +}; + +#endif + +void ERR_load_COMP_strings(void) +{ +#ifndef OPENSSL_NO_ERR + + if (ERR_func_error_string(COMP_str_functs[0].error) == NULL) { + ERR_load_strings(0, COMP_str_functs); + ERR_load_strings(0, COMP_str_reasons); + } +#endif +} diff --git a/thirdparty/openssl/crypto/comp/comp_lib.c b/thirdparty/openssl/crypto/comp/comp_lib.c new file mode 100644 index 0000000000..bd4eb7a1ab --- /dev/null +++ b/thirdparty/openssl/crypto/comp/comp_lib.c @@ -0,0 +1,66 @@ +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <openssl/objects.h> +#include <openssl/comp.h> + +COMP_CTX *COMP_CTX_new(COMP_METHOD *meth) +{ + COMP_CTX *ret; + + if ((ret = (COMP_CTX *)OPENSSL_malloc(sizeof(COMP_CTX))) == NULL) { + /* ZZZZZZZZZZZZZZZZ */ + return (NULL); + } + memset(ret, 0, sizeof(COMP_CTX)); + ret->meth = meth; + if ((ret->meth->init != NULL) && !ret->meth->init(ret)) { + OPENSSL_free(ret); + ret = NULL; + } + return (ret); +} + +void COMP_CTX_free(COMP_CTX *ctx) +{ + if (ctx == NULL) + return; + + if (ctx->meth->finish != NULL) + ctx->meth->finish(ctx); + + OPENSSL_free(ctx); +} + +int COMP_compress_block(COMP_CTX *ctx, unsigned char *out, int olen, + unsigned char *in, int ilen) +{ + int ret; + if (ctx->meth->compress == NULL) { + /* ZZZZZZZZZZZZZZZZZ */ + return (-1); + } + ret = ctx->meth->compress(ctx, out, olen, in, ilen); + if (ret > 0) { + ctx->compress_in += ilen; + ctx->compress_out += ret; + } + return (ret); +} + +int COMP_expand_block(COMP_CTX *ctx, unsigned char *out, int olen, + unsigned char *in, int ilen) +{ + int ret; + + if (ctx->meth->expand == NULL) { + /* ZZZZZZZZZZZZZZZZZ */ + return (-1); + } + ret = ctx->meth->expand(ctx, out, olen, in, ilen); + if (ret > 0) { + ctx->expand_in += ilen; + ctx->expand_out += ret; + } + return (ret); +} |