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nginx-0.0.1-2002-09-26-20:50:29 import

This commit is contained in:
Igor Sysoev 2002-09-26 16:50:29 +00:00
parent dd7e91a229
commit 2cf5d07d85
2 changed files with 198 additions and 134 deletions
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22
src/core/ngx_hunk.c
View File

@ -5,13 +5,15 @@
ngx_hunk_t *ngx_create_temp_hunk(ngx_pool_t *pool, int size,
int before, int after)
{
ngx_hunk_t *h = ngx_palloc(pool, sizeof(ngx_hunk_t));
ngx_hunk_t *h;
ngx_test_null(h, ngx_palloc(pool, sizeof(ngx_hunk_t)), NULL);
#if !(HAVE_OFFSET_EQUAL_PTR)
h->pos.file = h->last.file = 0;
#endif
h->pre_start = ngx_palloc(pool, size + before + after);
ngx_test_null(h->pre_start, ngx_palloc(pool, size + before + after), NULL);
h->start = h->pos.mem = h->last.mem = h->pre_start + before;
h->end = h->last.mem + size;
h->post_end = h->end + after;
@ -25,7 +27,9 @@ ngx_hunk_t *ngx_create_temp_hunk(ngx_pool_t *pool, int size,
ngx_hunk_t *ngx_create_hunk_before(ngx_pool_t *pool, ngx_hunk_t *hunk, int size)
{
ngx_hunk_t *h = ngx_palloc(pool, sizeof(ngx_hunk_t));
ngx_hunk_t *h;
ngx_test_null(h, ngx_palloc(pool, sizeof(ngx_hunk_t)), NULL);
#if !(HAVE_OFFSET_EQUAL_PTR)
h->pos.file = h->last.file = 0;
@ -42,8 +46,8 @@ ngx_hunk_t *ngx_create_hunk_before(ngx_pool_t *pool, ngx_hunk_t *hunk, int size)
h->file = NULL;
} else {
h->pre_start = h->start = h->pos.mem = h->last.mem
= ngx_palloc(pool, size);
ngx_test_null(h->pre_start, ngx_palloc(pool, size), NULL);
h->start = h->pos.mem = h->last.mem = h->pre_start;
h->end = h->post_end = h->start + size;
h->type = NGX_HUNK_TEMP;
@ -56,7 +60,9 @@ ngx_hunk_t *ngx_create_hunk_before(ngx_pool_t *pool, ngx_hunk_t *hunk, int size)
ngx_hunk_t *ngx_create_hunk_after(ngx_pool_t *pool, ngx_hunk_t *hunk, int size)
{
ngx_hunk_t *h = ngx_palloc(pool, sizeof(ngx_hunk_t));
ngx_hunk_t *h;
ngx_test_null(h, ngx_palloc(pool, sizeof(ngx_hunk_t)), NULL);
#if !(HAVE_OFFSET_EQUAL_PTR)
h->pos.file = h->last.file = 0;
@ -74,8 +80,8 @@ ngx_hunk_t *ngx_create_hunk_after(ngx_pool_t *pool, ngx_hunk_t *hunk, int size)
h->file = NULL;
} else {
h->pre_start = h->start = h->pos.mem = h->last.mem =
ngx_palloc(pool, size);
ngx_test_null(h->pre_start, ngx_palloc(pool, size), NULL);
h->start = h->pos.mem = h->last.mem = h->pre_start;
h->end = h->post_end = h->start + size;
h->type = NGX_HUNK_TEMP;

310
src/http/modules/ngx_http_ssi_filter.c
View File

@ -39,172 +39,230 @@ int ngx_http_ssi_filter(ngx_http_request_t *r, ngx_chain_t *in)
ngx_http_ssi_filter_ctx_t *ctx;
ngx_http_ssi_filter_conf_t *conf;
if (in == NULL)
return next_filter;
ctx = (ngx_http_ssi_filter_ctx_t *)
ngx_get_module_ctx(r->main ? r->main : r,
ngx_http_ssi_filter_module);
ngx_get_module_ctx(r, ngx_http_ssi_filter_module);
if (ctx == NULL) {
ngx_http_create_ctx(r, ctx,
ngx_http_ssi_filter_module,
sizeof(ngx_http_ssi_filter_ctx_t));
ctx->state = &ssi_start;
ctx->handler = ngx_http_ssi_find_start;
}
state = ctx->state;
length = ctx->length;
ch = in;
p = ch->hunk->pos.mem;
ctx->start = ctx->pos = ch->hunk->pos.mem;
rc = ngx_http_ssi_parse(r, ctx, in);
if (rc == NGX_SSI_FOUND) {
for ( ;; ) {
if (ctx->handler(r, ctx, ch) == NGX_ERROR)
return NGX_ERROR;
if (ctx->pos + ctx->length == ch->hunk->last.mem) {
ch = ch->next;
if (ch == NULL)
break;
ctx->start = ctx->pos = ch->hunk->pos.mem;
}
}
}
static int ngx_http_ssi_parse(ngx_http_request_t *r,
ngx_http_ssi_filter_ctx_t *ctx, ngx_chain_t *in)
static int ngx_http_ssi_find_start(ngx_http_request_t *r,
ngx_http_ssi_filter_ctx_t *ctx,
ngx_chain_t *ch)
{
state = ctx->state;
length = ctx->length;
ngx_http_ssi_parse(r, ctx, ch->hunk);
if (ctx->state == ssi_command_state
|| (ctx->length > 0 && ch->next == NULL)
|| ctx->hunk_with_ssi)
{
ngx_test_null(h, ngx_palloc(r->pool, sizeof(ngx_hunk_t)), NGX_ERROR);
#if !(HAVE_OFFSET_EQUAL_PTR)
h->pos.file = h->last.file = 0;
#endif
h->pre_start = h->start = h->pos.mem = ctx->start;
h->post_end = h->end = h->last.mem = ctx->pos;
h->type = NGX_HUNK_TEMP;
h->tag = 0;
h->file = NULL;
ngx_add_hunk_to_chain(ctx->last, h, r->pool, NGX_ERROR);
ngx_test_null(ssi_hunk, ngx_push_array(ctx->ssi_hunks), NGX_ERROR);
ssi_hunk->ssi_hunk = h;
ssi_hunk->hunk = ch->hunk;
ssi_hunk->pos = NULL;
}
if (ctx->state == ssi_command_state)
ctx->handler = ngx_http_ssi_find_command;
}
return NGX_OK;
}
static int ngx_http_ssi_find_command(ngx_http_request_t *r,
ngx_http_ssi_filter_ctx_t *ctx,
ngx_chain_t *ch)
{
ngx_http_ssi_parse_command(r, ctx, ch->hunk);
}
static char ssi_start[] = "<!--#";
static char ssi_include[] = "include";
static ssi_parser_t ssi_pre_command_state[] = {
{ 1, (char *) ' ', ssi_pre_command_state, NULL },
{ 7, "include", ssi_command_state, ssi_include_state },
{ 4, "random", ssi_command_state, NULL },
{ 0, NULL, ssi_error_state }
};
static ssi_parser_t ssi_include_state[] = {
{ 1, (char *) ' ', ssi_include_state, NULL },
{ 7, "virtual", ssi_equal_state, offsetof(ssi_include_t, virtual) },
{ 0, NULL, ssi_error_state }
};
static ssi_parser_t ssi_equal_state[] = {
{ 1, (char *) ' ', ssi_equal_state, NULL },
{ 1, (char *) '=', ssi_param_state, NULL },
};
static char ssi_echo[] = "echo";
static void ngx_http_ssi_parse(ngx_http_request_t *r,
ngx_http_ssi_filter_ctx_t *ctx,
ngx_hunk_t *hunk)
for ( ;; ) {
if (state == ssi_start_state) {
for (/* void */ ; p < ch->hunk->last.mem; p++) {
if (*p == '<') {
state = ssi_exclam_state;
length = 1;
break;
}
}
}
for (/* void */ ; p < ch->hunk->last.mem; p++) {
for (/* void */ ;
p < ch->hunk->last.mem
&& (state > ssi_start_state && state < ssi_command_state)
p++)
{
switch (state) {
case ssi_exclam_state:
switch (*p) {
case ssi_start_state:
case '!':
state = ssi_dash1_state;
length = 2;
break;
case '<':
state = ssi_exclam_state;
length = 1;
break;
default:
state = ssi_start_state;
length = 0;
break;
/* tight loop */
while (p < ch->hunk->last.mem) {
if (*p++ == '<') {
state = ssi_comment_state;
length = 1;
break;
}
}
/* fall through */
case ssi_comment_state:
if (*p == ssi_start[length]) {
length++;
} else {
length = 0;
flush = 1;
state = ssi_start_state;
}
if (length < 6)
continue;
state = ssi_space_before_command_state;
/* fall through */
case ssi_space_before_command_state:
if (*p == ' ' || *p == '\t' || *p == CR || *p == LF)
continue;
state = ssi_command_state;
/* fall through */
case ssi_choose_command_state:
for (i = 0; ctx->name[i].len; i++) {
if (*p == ctx->name[i].name[0]) {
state = choos[i].state;
}
}
case ssi_command_state:
if (*p == ssi_include[n];
n++;
break;
case ssi_dash1_state:
switch (*p) {
case '-':
state = ssi_dash2_state;
length = 3;
break;
case '<':
state = ssi_exclam_state;
length = 1;
break;
default:
state = ssi_start_state;
length = 0;
break;
}
break;
case ssi_dash2_state:
switch (*p) {
case '-':
state = ssi_sharp_state;
length = 4;
break;
case '<':
state = ssi_exclam_state;
length = 1;
break;
default:
state = ssi_start_state;
length = 0;
break;
}
break;
case ssi_sharp_state:
switch (*p) {
case '#':
ctx->state = ssi_command_state;
ctx->length = 5;
return NGX_SSI_FOUND;
case '<':
state = ssi_exclam_state;
length = 1;
break;
default:
state = ssi_start_state;
length = 0;
break;
}
break;
}
}
if (state > ssi_start_state) {
ngx_add_hunk_to_chain(ch->hunk);
if (length == 6
|| (length > 0 && ch->next == NULL)
|| hunk_with_ssi) {
if (ctx->saved > 0 && flush) {
add saved
ctx->saved = 0;
}
for (c = ctx->in; c != hunk; c = c->next) {
ngx_add_hunk_to_chain(ctx->last, c->hunk,
r->pool, NGX_ERROR);
}
add duped;
push duped_hunk, hunk, NULL;
n = length - (hunk->last.mem - pos);
for (c = hunk; c; c->next) {
if (n > c->hunk->last.mem - c->hunk->pos.mem) {
n -= c->hunk->last.mem - c->hunk->pos.mem;
push NULL, c->hunk, NULL;
}
}
ctx->in = c;
}
}
ch = ch->next;
if (ch == NULL) {
ctx->state = state;
} else {
for (/* void */ ; p < ch->hunk->last.mem; p++) {
if (*p == ' ' || *p == '\t' || *p == CR || *P == LF)
continue;
ctx->state = ssi_command_state;
break;
}
p = ch->hunk->pos.mem;
if (
}
if (state > ssi_start_state)
if (ngx_http_ssi_dup_hunk(r, ch->hunk) == NGX_ERROR)
return NGX_ERROR;
}
static ngx_http_ssi_dup_hunk(ngx_http_request_t *r, ngx_hunk_t *hunk);
{
new dup_hunk
set dup_hunk
ngx_add_hunk_to_chain dup_hunk
ngx_test_null(ssi_hunk, ngx_push_array);
ssi_hunk->ssi_hunk = dup_hunk;
ssi_hunk->hunk = hunk;
ssi_hunk->pos = NULL;
}