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nginx-0.0.1-2003-08-08-19:13:24 import

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This commit is contained in:
Igor Sysoev 2003-08-08 15:13:24 +00:00
parent 0939b8d7c6
commit e77c0c3599
2 changed files with 195 additions and 36 deletions
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19
src/core/ngx_alloc.c
View File

@ -59,20 +59,25 @@ void ngx_destroy_pool(ngx_pool_t *pool)
free(l->alloc);
}
/* we can use pool->log so we have to free() pool after all */
/*
* we could allocate pool->log from this pool
* so we can not use this log while free()ing the pool
*/
for (p = pool->next; p ; p = n) {
#if (NGX_DEBUG_ALLOC)
for (p = pool, n = pool->next; /* void */; p = n, n = n->next) {
ngx_log_debug(pool->log, "free: %08x" _ p);
}
#endif
n = p->next;
for (p = pool, n = pool->next; /* void */; p = n, n = n->next) {
free(p);
if (n == NULL) {
break;
}
}
#if (NGX_DEBUG_ALLOC)
ngx_log_debug(pool->log, "free: %08x" _ pool);
#endif
free(pool);
pool = NULL;
}

212
src/http/modules/ngx_http_ssi_filter.c
View File

@ -4,8 +4,27 @@
#include <ngx_http.h>
#define NGX_HTTP_SSI_COMMAND_LEN 31
#define NGX_HTTP_SSI_PARAM_LEN 31
#define NGX_HTTP_SSI_DONE 1
#define NGX_HTTP_SSI_INVALID_COMMAND 2
#define NGX_HTTP_SSI_INVALID_PARAM 3
#define NGX_HTTP_SSI_INVALID_VALUE 4
#define NGX_HTTP_SSI_LONG_VALUE 5
typedef struct {
} ngx_http_ssi_filter_ctx_t;
ngx_table_elt_t *param;
ngx_str_t command;
ngx_array_t params;
int state;
int looked;
char *pos;
ngx_chain_t *out;
int new_hunk;
u_int value_len;
} ngx_http_ssi_ctx_t;
static int ngx_http_ssi_filter_init(ngx_cycle_t *cycle);
@ -37,12 +56,49 @@ static int (*next_header_filter) (ngx_http_request_t *r);
static int (*next_body_filter) (ngx_http_request_t *r, ngx_chain_t *ch);
static comment_string = "<!--";
static char comment_string[] = "<!--";
static int ngx_http_ssi_body_filter(ngx_http_request_t *r, ngx_chain_t *in)
{
ngx_chain_t chain;
ngx_http_ssi_ctx_t *ctx;
ctx = ngx_http_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_ctx_t), NGX_ERROR);
}
if (in == NULL && ctx->out == NULL) {
return next_body_filter(r, NULL);
}
#if 0
add in to ctx->out chain
while (ctx->out) {
rc = ngx_http_ssi_parse(r, ctx, ctx->out->hunk);
if (rc == NGX_HTTP_SSI_DONE) {
chain.hunk = ctx->out->hunk;
chain.next = NULL;
rc = next_body_filter(r, &chain);
if (rc != NGX_OK) {
return rc;
}
}
ctx->out = ctx->out->next;
}
#endif
return NGX_OK;
}
@ -53,14 +109,35 @@ static int ngx_http_ssi_body_filter(ngx_http_request_t *r, ngx_chain_t *in)
static int ngx_http_ssi_parse(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
ngx_hunk_t *h)
{
int looked, state;
char *p;
int looked;
char *p, ch;
ngx_hunk_t *temp;
ngx_chain_t chain;
enum {
ssi_start_state = 0,
ssi_tag_state,
ssi_comment0_state,
ssi_comment1_state,
ssi_sharp_state,
ssi_precommand_state,
ssi_command_state,
ssi_preparam_state,
ssi_param_state,
ssi_preequal_state,
ssi_prevalue_state,
ssi_double_quoted_value_state,
ssi_double_quoted_value_quote_state,
ssi_quoted_value_state,
ssi_quoted_value_quote_state,
ssi_comment_end0_state,
ssi_comment_end1_state
} state;
looked = ctx->looked;
state = ctx->state;
p = h->pos;
p = ctx->pos;
while (p < h->last) {
ch = *p++;
@ -100,6 +177,7 @@ static int ngx_http_ssi_parse(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
if (p < h->last) {
ctx->state = ssi_start_state;
ctx->looked = 0;
ctx->pos = p;
return NGX_HTTP_SSI_DONE;
}
@ -196,7 +274,7 @@ static int ngx_http_ssi_parse(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
default:
ngx_test_null(ctx->command.data,
ngx_palloc(r->pool, NGX_HTTP_SSI_COMMAND_LEN),
ngx_palloc(r->pool, NGX_HTTP_SSI_COMMAND_LEN + 1),
NGX_ERROR);
ctx->command.data[0] = ch;
ctx->command.len = 1;
@ -216,6 +294,11 @@ static int ngx_http_ssi_parse(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
state = ssi_preparam_state;
break;
case '-':
ctx->command.data[ctx->command.len] = 0;
state = ssi_comment_end0_state;
break;
default:
if (ctx->command.len >= NGX_HTTP_SSI_COMMAND_LEN) {
return NGX_HTTP_SSI_INVALID_COMMAND;
@ -239,18 +322,19 @@ static int ngx_http_ssi_parse(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
break;
default:
ngx_test_null(param, ngx_push_array(&ctx->params), NGX_ERROR);
ngx_test_null(param->name.data,
ngx_palloc(r->pool, NGX_HTTP_SSI_PARAM_LEN),
ngx_test_null(ctx->param, ngx_push_array(&ctx->params),
NGX_ERROR);
param->name.data[0] = ch;
param->name.len = 1;
ngx_test_null(param->value.data,
ngx_palloc(r->pool, NGX_HTTP_SSI_VALUE_LEN),
ngx_test_null(ctx->param->key.data,
ngx_palloc(r->pool, NGX_HTTP_SSI_PARAM_LEN + 1),
NGX_ERROR);
param->value.len = 0;
ctx->param->key.data[0] = ch;
ctx->param->key.len = 1;
ngx_test_null(ctx->param->value.data,
ngx_palloc(r->pool, ctx->value_len + 1),
NGX_ERROR);
ctx->param->value.len = 0;
state = ssi_param_state;
break;
@ -264,21 +348,21 @@ static int ngx_http_ssi_parse(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
case CR:
case LF:
case '\t':
ctx->param.data[ctx->param.len] = 0;
ctx->param->key.data[ctx->param->key.len] = 0;
state = ssi_preequal_state;
break;
case '=':
ctx->param.data[ctx->param.len] = 0;
ctx->param->key.data[ctx->param->key.len] = 0;
state = ssi_prevalue_state;
break;
default:
if (ctx->param.len >= NGX_HTTP_SSI_PARAM_LEN) {
if (ctx->param->key.len >= NGX_HTTP_SSI_PARAM_LEN) {
return NGX_HTTP_SSI_INVALID_PARAM;
}
ctx->param.data[ctx->param.len++] = ch;
ctx->param->key.data[ctx->param->key.len++] = ch;
}
break;
@ -296,7 +380,7 @@ static int ngx_http_ssi_parse(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
break;
default:
return NGX_HTTP_SSI_PARSE_INVALID_PARAM;
return NGX_HTTP_SSI_INVALID_PARAM;
}
break;
@ -310,41 +394,109 @@ static int ngx_http_ssi_parse(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
break;
case '"':
state = ssi_value_state;
state = ssi_double_quoted_value_state;
break;
case '\'':
state = ssi_quoted_value_state;
break;
default:
return NGX_HTTP_SSI_PARSE_INVALID_PARAM;
return NGX_HTTP_SSI_INVALID_VALUE;
}
break;
case ssi_value_state:
case ssi_double_quoted_value_state:
switch (ch) {
case '\':
state = ssi_quote_state;
case '\\':
state = ssi_double_quoted_value_quote_state;
break;
case '"':
state = ssi_postvalue_state;
state = ssi_preparam_state;
break;
default:
return NGX_SSI_PARSE_INVALID_PARAM;
if (ctx->param->value.len >= ctx->value_len) {
return NGX_HTTP_SSI_LONG_VALUE;
}
ctx->param->value.data[ctx->param->value.len++] = ch;
}
break;
case ssi_quote_state:
state = ssi_expression_state;
case ssi_double_quoted_value_quote_state:
if (ctx->param->value.len >= ctx->value_len) {
return NGX_HTTP_SSI_LONG_VALUE;
}
ctx->param->value.data[ctx->param->value.len++] = ch;
state = ssi_double_quoted_value_state;
break;
case ssi_quoted_value_state:
switch (ch) {
case '\\':
state = ssi_quoted_value_quote_state;
break;
case '\'':
state = ssi_preparam_state;
break;
default:
if (ctx->param->value.len >= ctx->value_len) {
return NGX_HTTP_SSI_LONG_VALUE;
}
ctx->param->value.data[ctx->param->value.len++] = ch;
}
break;
case ssi_quoted_value_quote_state:
if (ctx->param->value.len >= ctx->value_len) {
return NGX_HTTP_SSI_LONG_VALUE;
}
ctx->param->value.data[ctx->param->value.len++] = ch;
state = ssi_quoted_value_state;
break;
case ssi_comment_end0_state:
switch (ch) {
case '-':
state = ssi_comment_end1_state;
break;
default:
return NGX_HTTP_SSI_INVALID_COMMAND;
}
break;
case ssi_comment_end1_state:
switch (ch) {
case '>':
ctx->state = ssi_start_state;
ctx->pos = p;
return NGX_OK;
default:
return NGX_HTTP_SSI_INVALID_COMMAND;
}
break;
}
}
ctx->state = state;
ctx->looked = looked;
ctx->pos = p;
return NGX_HTTP_SSI_DONE;
}
@ -352,8 +504,10 @@ static int ngx_http_ssi_parse(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
static int ngx_http_ssi_filter_init(ngx_cycle_t *cycle)
{
#if 0
next_header_filter = ngx_http_top_header_filter;
ngx_http_top_header_filter = ngx_http_ssi_header_filter;
#endif
next_body_filter = ngx_http_top_body_filter;
ngx_http_top_body_filter = ngx_http_ssi_body_filter;