+++ /dev/null
-// Copyright Joyent, Inc. and other Node contributors.
-//
-// Permission is hereby granted, free of charge, to any person obtaining a
-// copy of this software and associated documentation files (the
-// "Software"), to deal in the Software without restriction, including
-// without limitation the rights to use, copy, modify, merge, publish,
-// distribute, sublicense, and/or sell copies of the Software, and to permit
-// persons to whom the Software is furnished to do so, subject to the
-// following conditions:
-//
-// The above copyright notice and this permission notice shall be included
-// in all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
-// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
-// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
-// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
-// USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-#include "node_crypto_bio.h"
-#include "openssl/bio.h"
-#include <string.h>
-
-namespace node {
-
-BIO_METHOD NodeBIO::method_ = {
- BIO_TYPE_MEM,
- "node.js SSL buffer",
- NodeBIO::Write,
- NodeBIO::Read,
- NodeBIO::Puts,
- NodeBIO::Gets,
- NodeBIO::Ctrl,
- NodeBIO::New,
- NodeBIO::Free,
- NULL
-};
-
-
-int NodeBIO::New(BIO* bio) {
- bio->ptr = new NodeBIO();
-
- // XXX Why am I doing it?!
- bio->shutdown = 1;
- bio->init = 1;
- bio->num = -1;
-
- return 1;
-}
-
-
-int NodeBIO::Free(BIO* bio) {
- if (bio == NULL) return 0;
-
- if (bio->shutdown) {
- if (bio->init && bio->ptr != NULL) {
- delete FromBIO(bio);
- bio->ptr = NULL;
- }
- }
-
- return 1;
-}
-
-
-int NodeBIO::Read(BIO* bio, char* out, int len) {
- int bytes;
- BIO_clear_retry_flags(bio);
-
- bytes = FromBIO(bio)->Read(out, len);
-
- if (bytes == 0) {
- bytes = bio->num;
- if (bytes != 0) {
- BIO_set_retry_read(bio);
- }
- }
-
- return bytes;
-}
-
-
-int NodeBIO::Write(BIO* bio, const char* data, int len) {
- BIO_clear_retry_flags(bio);
-
- FromBIO(bio)->Write(data, len);
-
- return len;
-}
-
-
-int NodeBIO::Puts(BIO* bio, const char* str) {
- return Write(bio, str, strlen(str));
-}
-
-
-int NodeBIO::Gets(BIO* bio, char* out, int size) {
- NodeBIO* nbio = FromBIO(bio);
-
- if (nbio->Length() == 0)
- return 0;
-
- int i = nbio->IndexOf('\n', size);
-
- // Include '\n'
- if (i < size) i++;
-
- // Shift `i` a bit to NULL-terminate string later
- if (size == i) i--;
-
- // Flush read data
- nbio->Read(out, i);
-
- out[i] = 0;
-
- return i;
-}
-
-
-long NodeBIO::Ctrl(BIO* bio, int cmd, long num, void* ptr) {
- NodeBIO* nbio;
- long ret;
-
- nbio = FromBIO(bio);
- ret = 1;
-
- switch (cmd) {
- case BIO_CTRL_RESET:
- nbio->Reset();
- break;
- case BIO_CTRL_EOF:
- ret = nbio->Length() == 0;
- break;
- case BIO_C_SET_BUF_MEM_EOF_RETURN:
- bio->num = num;
- break;
- case BIO_CTRL_INFO:
- ret = nbio->Length();
- if (ptr != NULL)
- *reinterpret_cast<void**>(ptr) = NULL;
- break;
- case BIO_C_SET_BUF_MEM:
- assert(0 && "Can't use SET_BUF_MEM_PTR with NodeBIO");
- abort();
- break;
- case BIO_C_GET_BUF_MEM_PTR:
- assert(0 && "Can't use GET_BUF_MEM_PTR with NodeBIO");
- ret = 0;
- break;
- case BIO_CTRL_GET_CLOSE:
- ret = bio->shutdown;
- break;
- case BIO_CTRL_SET_CLOSE:
- bio->shutdown = num;
- break;
- case BIO_CTRL_WPENDING:
- ret = 0;
- break;
- case BIO_CTRL_PENDING:
- ret = nbio->Length();
- break;
- case BIO_CTRL_DUP:
- case BIO_CTRL_FLUSH:
- ret = 1;
- break;
- case BIO_CTRL_PUSH:
- case BIO_CTRL_POP:
- default:
- ret = 0;
- break;
- }
- return ret;
-}
-
-
-size_t NodeBIO::Read(char* out, size_t size) {
- size_t bytes_read = 0;
- size_t expected = Length() > size ? size : Length();
- size_t offset = 0;
- size_t left = size;
-
- while (bytes_read < expected) {
- assert(read_head_->read_pos_ <= read_head_->write_pos_);
- size_t avail = read_head_->write_pos_ - read_head_->read_pos_;
- if (avail > left)
- avail = left;
-
- // Copy data
- if (out != NULL)
- memcpy(out + offset, read_head_->data_ + read_head_->read_pos_, avail);
- read_head_->read_pos_ += avail;
-
- // Move pointers
- bytes_read += avail;
- offset += avail;
- left -= avail;
-
- // Move to next buffer
- if (read_head_->read_pos_ == read_head_->write_pos_) {
- read_head_->read_pos_ = 0;
- read_head_->write_pos_ = 0;
-
- // But not get beyond write_head_
- if (bytes_read != expected)
- read_head_ = read_head_->next_;
- }
- }
- assert(expected == bytes_read);
- length_ -= bytes_read;
-
- return bytes_read;
-}
-
-
-size_t NodeBIO::IndexOf(char delim, size_t limit) {
- size_t bytes_read = 0;
- size_t max = Length() > limit ? limit : Length();
- size_t left = limit;
- Buffer* current = read_head_;
-
- while (bytes_read < max) {
- assert(current->read_pos_ <= current->write_pos_);
- size_t avail = current->write_pos_ - current->read_pos_;
- if (avail > left)
- avail = left;
-
- // Walk through data
- char* tmp = current->data_ + current->read_pos_;
- size_t off = 0;
- while (off < avail && *tmp != delim) {
- off++;
- tmp++;
- }
-
- // Move pointers
- bytes_read += off;
- left -= off;
-
- // Found `delim`
- if (off != avail) {
- return bytes_read;
- }
-
- // Move to next buffer
- if (current->read_pos_ + avail == kBufferLength) {
- current = current->next_;
- }
- }
- assert(max == bytes_read);
-
- return max;
-}
-
-
-void NodeBIO::Write(const char* data, size_t size) {
- size_t offset = 0;
- size_t left = size;
- while (left > 0) {
- size_t to_write = left;
- assert(write_head_->write_pos_ <= kBufferLength);
- size_t avail = kBufferLength - write_head_->write_pos_;
-
- if (to_write > avail)
- to_write = avail;
-
- // Copy data
- memcpy(write_head_->data_ + write_head_->write_pos_,
- data + offset,
- to_write);
-
- // Move pointers
- left -= to_write;
- offset += to_write;
- length_ += to_write;
- write_head_->write_pos_ += to_write;
- assert(write_head_->write_pos_ <= kBufferLength);
-
- // Go to next buffer if there still are some bytes to write
- if (left != 0) {
- if (write_head_->write_pos_ == kBufferLength) {
- Buffer* next = new Buffer();
- next->next_ = write_head_->next_;
- write_head_->next_ = next;
- }
- write_head_ = write_head_->next_;
- }
- }
- assert(left == 0);
-}
-
-
-void NodeBIO::Reset() {
- while (read_head_->read_pos_ != read_head_->write_pos_) {
- assert(read_head_->write_pos_ > read_head_->read_pos_);
-
- length_ -= read_head_->write_pos_ - read_head_->read_pos_;
- read_head_->write_pos_ = 0;
- read_head_->read_pos_ = 0;
-
- read_head_ = read_head_->next_;
- }
- write_head_ = read_head_;
- assert(length_ == 0);
-}
-
-
-NodeBIO::~NodeBIO() {
- Buffer* current = head_.next_;
- while (current != &head_) {
- Buffer* next = current->next_;
- delete current;
- current = next;
- }
-
- read_head_ = NULL;
- write_head_ = NULL;
-}
-
-} // namespace node
+++ /dev/null
-// Copyright Joyent, Inc. and other Node contributors.
-//
-// Permission is hereby granted, free of charge, to any person obtaining a
-// copy of this software and associated documentation files (the
-// "Software"), to deal in the Software without restriction, including
-// without limitation the rights to use, copy, modify, merge, publish,
-// distribute, sublicense, and/or sell copies of the Software, and to permit
-// persons to whom the Software is furnished to do so, subject to the
-// following conditions:
-//
-// The above copyright notice and this permission notice shall be included
-// in all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
-// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
-// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
-// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
-// USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-#include "openssl/bio.h"
-#include <assert.h>
-
-namespace node {
-
-class NodeBIO {
- public:
- static inline BIO_METHOD* GetMethod() {
- return &method_;
- }
-
- static int New(BIO* bio);
- static int Free(BIO* bio);
- static int Read(BIO* bio, char* out, int len);
- static int Write(BIO* bio, const char* data, int len);
- static int Puts(BIO* bio, const char* str);
- static int Gets(BIO* bio, char* out, int size);
- static long Ctrl(BIO* bio, int cmd, long num, void* ptr);
-
- protected:
- static const size_t kBufferLength = 16 * 1024;
-
- class Buffer {
- public:
- Buffer() : read_pos_(0), write_pos_(0), next_(NULL) {
- }
-
- size_t read_pos_;
- size_t write_pos_;
- Buffer* next_;
- char data_[kBufferLength];
- };
-
- NodeBIO() : length_(0), read_head_(&head_), write_head_(&head_) {
- // Loop head
- head_.next_ = &head_;
- }
-
- ~NodeBIO();
-
- // Read `len` bytes maximum into `out`, return actual number of read bytes
- size_t Read(char* out, size_t size);
-
- // Find first appearance of `delim` in buffer or `limit` if `delim`
- // wasn't found.
- size_t IndexOf(char delim, size_t limit);
-
- // Discard all available data
- void Reset();
-
- // Put `len` bytes from `data` into buffer
- void Write(const char* data, size_t size);
-
- // Return size of buffer in bytes
- size_t inline Length() {
- return length_;
- }
-
- static inline NodeBIO* FromBIO(BIO* bio) {
- assert(bio->ptr != NULL);
- return static_cast<NodeBIO*>(bio->ptr);
- }
-
- size_t length_;
- Buffer head_;
- Buffer* read_head_;
- Buffer* write_head_;
-
- static BIO_METHOD method_;
-};
-
-} // namespace node
projects / platform / upstream / nodejs.git / commitdiff