static void getchecksum(struct context *ctx)
{
size_t len;
struct md_method *m = ctx->md_hash ? ctx->md_method_hash : ctx->md_method_checksum;
DebugIn(DEBUG_BUFFER);
sigbus_cur = ctx->cfn;
if (chunk_get(ctx, &ctx->io_offset)) {
reply(ctx, MSG_451_Internal_error);
goto bye;
}
if (chunk_remaining(ctx)) {
len = MIN((size_t) bufsize, ctx->chunk_length);
m->update(ctx, (u_char *) ctx->chunk_start, len);
chunk_release(ctx, len);
}
if (chunk_remaining(ctx))
io_sched_renew_proc(ctx->io, ctx, (void *) getchecksum);
else {
if (!strcmp(m->ftp_name, "CRC32")) {
if (ctx->md_hash) {
replyf(ctx, "213 %s %llu-%llu %s %s\r\n", m->ftp_name,
(unsigned long long) ctx->io_offset_start, (unsigned long long) ctx->offset, m->final(ctx), ctx->filename + ctx->rootlen);
} else
replyf(ctx, "200 %s %llu %s\r\n", m->final(ctx), (unsigned long long) ctx->offset, ctx->filename + ctx->rootlen);
} else if (ctx->md_hash) {
int mf_unmap(mf_handle_t mf, mf_mapmem_handle_t mapmem_handle) {
int res_code = 0;
if((mf == MF_OPEN_FAILED) || (mapmem_handle == MF_OPEN_FAILED)) {
errno = EINVAL;
write_log_to_file(Error,"mf_unmap: invalid input!\n");
return -1;
}
ch_pool_t* ch_pool = (ch_pool_t*)mf;
sem_wait(&(ch_pool -> lock));
if(((chunk_t*)mapmem_handle) -> length == 0) {
sem_post(&(ch_pool -> lock));
return 0;
}
res_code = chunk_release((chunk_t*)mapmem_handle);
if(res_code) {
write_log_to_file(Error,"mf_unmap: chunk deinitialization failed!\n");
sem_post(&(ch_pool -> lock));
return res_code;
}
sem_post(&(ch_pool -> lock));
return 0;
}
/*
* Copy inherit bytes from old chunk to new chunk and set as current
* chunk.
*/
int fcgi_fd_set_chunk(struct fcgi_fd *fd, struct chunk *a, size_t inherit)
{
struct chunk *b = fd->chunk;
size_t b_pos, a_pos;
struct chunk_ptr tmp;
chunk_retain(a);
if (b && inherit > 0) {
check(b->write >= inherit,
"Not enough used on old chunk to inherit.");
check(a->size - a->write > inherit,
"Not enough free space on new chunk to inherit.");
a_pos = a->write;
b_pos = b->write - inherit;
memcpy(a->data + a_pos, b->data + b_pos, inherit);
a_pos += inherit;
tmp.parent = a;
tmp.len = a->size - a_pos;
tmp.data = a->data + a_pos;
check(!chunk_set_write_ptr(a, tmp),
"Failed to set new write pointer.");
chunk_release(b);
} else if (b) {
chunk_release(b);
} else {
check(inherit == 0, "There are no chunks to inherit from.");
}
fd->chunk = a;
return 0;
error:
if (mk_list_is_empty(&a->_head)) {
mk_list_del(&a->_head);
}
return -1;
}
static void skipbytes(struct context *ctx, int cur __attribute__ ((unused)))
{
off_t ro = ctx->io_offset, off = 0;
DebugIn(DEBUG_BUFFER);
sigbus_cur = ctx->cfn;
if (chunk_get(ctx, NULL)) {
io_sched_pop(ctx->io, ctx);
ctx->dbufi = buffer_free_all(ctx->dbufi);
ctx->remaining = 0, ctx->offset = 0;
cleanup_file(ctx, ctx->ffn);
cleanup_data(ctx, ctx->ffn);
reply(ctx, MSG_451_Internal_error);
} else {
if (chunk_remaining(ctx)) {
char *u = ctx->chunk_start;
char lastchar = ctx->lastchar;
size_t len = MIN(ctx->chunk_length, (size_t) bufsize);
char *ul = u + len;
for (off = 0; ro && u < ul; ro--, off++, lastchar = *u++)
if (*u == '\n' && lastchar != '\r')
ro--;
ctx->lastchar = lastchar;
chunk_release(ctx, len);
}
if (!chunk_remaining(ctx))
ro = 0;
if (!ro) {
ctx->dbufi = buffer_free_all(ctx->dbufi);
lseek(ctx->ffn, ctx->offset + off, SEEK_SET);
ctx->remaining = 0, ctx->offset = 0;
if (io_get_cb_i(ctx->io, ctx->dfn) == (void *) socket2buffer) {
/* already connected */
io_clr_o(ctx->io, ctx->dfn);
io_set_i(ctx->io, ctx->dfn);
}
io_sched_pop(ctx->io, ctx);
} else
io_sched_renew_proc(ctx->io, ctx, (void *) skipbytes);
ctx->io_offset = ro;
}
DebugOut(DEBUG_BUFFER);
}
