804 lines
22 KiB
Plaintext
804 lines
22 KiB
Plaintext
%token_prefix TK_
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%extra_argument {config_t *ctx}
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%name configparser
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%include {
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#include "first.h"
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#include "base.h"
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#include "configfile.h"
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#include "buffer.h"
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#include "array.h"
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#include "http_header.h" /* http_header_hkey_get() */
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#include "request.h" /* http_request_host_normalize() */
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#include <ctype.h>
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#include <errno.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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static data_config * configparser_get_data_config(const array *a, const char *k, const size_t klen) {
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return (data_config *)array_get_data_unset(a, k, klen);
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}
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static void configparser_push(config_t *ctx, data_config *dc, int isnew) {
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if (isnew) {
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dc->context_ndx = ctx->all_configs->used;
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force_assert(dc->context_ndx > ctx->current->context_ndx);
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array_insert_unique(ctx->all_configs, (data_unset *)dc);
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dc->parent = ctx->current;
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vector_config_weak_push(&dc->parent->children, dc);
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}
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if (ctx->configs_stack.used > 0 && ctx->current->context_ndx == 0) {
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fprintf(stderr, "Cannot use conditionals inside a global { ... } block\n");
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exit(-1);
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}
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vector_config_weak_push(&ctx->configs_stack, ctx->current);
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ctx->current = dc;
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}
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static data_config *configparser_pop(config_t *ctx) {
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data_config *old = ctx->current;
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ctx->current = vector_config_weak_pop(&ctx->configs_stack);
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return old;
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}
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/* return a copied variable */
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static data_unset *configparser_get_variable(config_t *ctx, const buffer *key) {
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const data_unset *du;
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data_config *dc;
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#if 0
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fprintf(stderr, "get var %s\n", key->ptr);
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#endif
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for (dc = ctx->current; dc; dc = dc->parent) {
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#if 0
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fprintf(stderr, "get var on block: %s\n", dc->key.ptr);
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array_print(dc->value, 0);
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#endif
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if (NULL != (du = array_get_element_klen(dc->value, CONST_BUF_LEN(key)))) {
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data_unset *du_copy = du->fn->copy(du);
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buffer_clear(&du_copy->key);
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return du_copy;
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}
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}
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return NULL;
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}
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/* op1 is to be eat/return by this function if success, op1->key is not cared
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op2 is left untouch, unreferenced
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*/
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static data_unset *configparser_merge_data(data_unset *op1, const data_unset *op2) {
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/* type mismatch */
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if (op1->type != op2->type) {
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if (op1->type == TYPE_STRING && op2->type == TYPE_INTEGER) {
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data_string *ds = (data_string *)op1;
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buffer_append_int(&ds->value, ((data_integer*)op2)->value);
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return op1;
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} else if (op1->type == TYPE_INTEGER && op2->type == TYPE_STRING) {
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data_string *ds = data_string_init();
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buffer_append_int(&ds->value, ((data_integer*)op1)->value);
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buffer_append_string_buffer(&ds->value, &((data_string*)op2)->value);
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op1->fn->free(op1);
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return (data_unset *)ds;
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} else {
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fprintf(stderr, "data type mismatch, cannot merge\n");
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op1->fn->free(op1);
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return NULL;
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}
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}
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switch (op1->type) {
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case TYPE_STRING:
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buffer_append_string_buffer(&((data_string *)op1)->value, &((data_string *)op2)->value);
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break;
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case TYPE_INTEGER:
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((data_integer *)op1)->value += ((data_integer *)op2)->value;
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break;
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case TYPE_ARRAY: {
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array *dst = &((data_array *)op1)->value;
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array *src = &((data_array *)op2)->value;
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data_unset *du;
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size_t i;
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for (i = 0; i < src->used; i ++) {
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du = (data_unset *)src->data[i];
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if (du) {
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if (buffer_is_empty(&du->key) || !array_get_element_klen(dst, CONST_BUF_LEN(&du->key))) {
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array_insert_unique(dst, du->fn->copy(du));
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} else {
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fprintf(stderr, "Duplicate array-key '%s'\n", du->key.ptr);
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op1->fn->free(op1);
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return NULL;
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}
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}
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}
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break;
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default:
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force_assert(0);
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break;
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}
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}
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return op1;
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}
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static int configparser_remoteip_normalize_compat(buffer *rvalue) {
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/* $HTTP["remoteip"] IPv6 accepted with or without '[]' for config compat
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* http_request_host_normalize() expects IPv6 with '[]',
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* and config processing at runtime expects COMP_HTTP_REMOTE_IP
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* compared without '[]', so strip '[]' after normalization */
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buffer *b = buffer_init();
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int rc;
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if (rvalue->ptr[0] != '[') {
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buffer_append_string_len(b, CONST_STR_LEN("["));
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buffer_append_string_buffer(b, rvalue);
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buffer_append_string_len(b, CONST_STR_LEN("]"));
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} else {
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buffer_append_string_buffer(b, rvalue);
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}
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rc = http_request_host_normalize(b, 0);
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if (0 == rc) {
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/* remove surrounding '[]' */
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size_t blen = buffer_string_length(b);
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if (blen > 1) buffer_copy_string_len(rvalue, b->ptr+1, blen-2);
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}
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buffer_free(b);
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return rc;
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}
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}
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%parse_failure {
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ctx->ok = 0;
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}
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input ::= metalines.
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metalines ::= metalines metaline.
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metalines ::= .
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metaline ::= varline.
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metaline ::= global.
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metaline ::= condlines(A) EOL. { A = NULL; }
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metaline ::= include.
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metaline ::= include_shell.
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metaline ::= EOL.
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%type value {data_unset *}
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%type expression {data_unset *}
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%type aelement {data_unset *}
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%type condline {data_config *}
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%type cond_else {data_config *}
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%type condlines {data_config *}
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%type aelements {array *}
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%type array {array *}
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%type key {buffer *}
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%type stringop {buffer *}
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%type cond {config_cond_t }
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%destructor value { if ($$) $$->fn->free($$); }
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%destructor expression { if ($$) $$->fn->free($$); }
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%destructor aelement { if ($$) $$->fn->free($$); }
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%destructor aelements { array_free($$); }
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%destructor array { array_free($$); }
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%destructor key { buffer_free($$); }
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%destructor stringop { buffer_free($$); }
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%token_type {buffer *}
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%token_destructor { buffer_free($$); }
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varline ::= key(A) ASSIGN expression(B). {
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if (ctx->ok) {
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buffer_copy_buffer(&B->key, A);
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if (strncmp(A->ptr, "env.", sizeof("env.") - 1) == 0) {
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fprintf(stderr, "Setting env variable is not supported in conditional %d %s: %s\n",
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ctx->current->context_ndx,
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ctx->current->key.ptr, A->ptr);
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ctx->ok = 0;
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} else if (NULL == array_get_element_klen(ctx->current->value, CONST_BUF_LEN(&B->key))) {
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array_insert_unique(ctx->current->value, B);
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B = NULL;
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} else {
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fprintf(stderr, "Duplicate config variable in conditional %d %s: %s\n",
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ctx->current->context_ndx,
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ctx->current->key.ptr, B->key.ptr);
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ctx->ok = 0;
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}
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}
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buffer_free(A);
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A = NULL;
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if (B) B->fn->free(B);
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B = NULL;
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}
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varline ::= key(A) FORCE_ASSIGN expression(B). {
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if (ctx->ok) {
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if (strncmp(A->ptr, "env.", sizeof("env.") - 1) == 0) {
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fprintf(stderr, "Setting env variable is not supported in conditional %d %s: %s\n",
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ctx->current->context_ndx,
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ctx->current->key.ptr, A->ptr);
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ctx->ok = 0;
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} else {
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buffer_copy_buffer(&B->key, A);
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array_replace(ctx->current->value, B);
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B = NULL;
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}
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}
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buffer_free(A);
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A = NULL;
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if (B) B->fn->free(B);
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B = NULL;
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}
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varline ::= key(A) APPEND expression(B). {
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if (ctx->ok) {
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array *vars = ctx->current->value;
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data_unset *du;
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if (strncmp(A->ptr, "env.", sizeof("env.") - 1) == 0) {
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fprintf(stderr, "Appending env variable is not supported in conditional %d %s: %s\n",
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ctx->current->context_ndx,
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ctx->current->key.ptr, A->ptr);
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ctx->ok = 0;
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} else if (NULL != (du = array_extract_element_klen(vars, CONST_BUF_LEN(A))) || NULL != (du = configparser_get_variable(ctx, A))) {
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du = configparser_merge_data(du, B);
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if (NULL == du) {
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ctx->ok = 0;
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}
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else {
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buffer_copy_buffer(&du->key, A);
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array_insert_unique(ctx->current->value, du);
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}
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} else {
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buffer_copy_buffer(&B->key, A);
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array_insert_unique(ctx->current->value, B);
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B = NULL;
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}
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}
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buffer_free(A);
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A = NULL;
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if (B) B->fn->free(B);
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B = NULL;
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}
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key(A) ::= LKEY(B). {
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if (strchr(B->ptr, '.') == NULL) {
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A = buffer_init_string("var.");
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buffer_append_string_buffer(A, B);
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} else {
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A = B;
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B = NULL;
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}
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buffer_free(B);
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B = NULL;
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}
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expression(A) ::= expression(B) PLUS value(C). {
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A = NULL;
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if (ctx->ok) {
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A = configparser_merge_data(B, C);
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B = NULL;
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if (NULL == A) {
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ctx->ok = 0;
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}
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}
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if (B) B->fn->free(B);
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B = NULL;
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if (C) C->fn->free(C);
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C = NULL;
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}
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expression(A) ::= value(B). {
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A = B;
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B = NULL;
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}
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value(A) ::= key(B). {
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A = NULL;
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if (ctx->ok) {
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if (strncmp(B->ptr, "env.", sizeof("env.") - 1) == 0) {
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char *env;
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if (NULL != (env = getenv(B->ptr + 4))) {
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data_string *ds;
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ds = data_string_init();
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buffer_append_string(&ds->value, env);
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A = (data_unset *)ds;
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}
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else {
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fprintf(stderr, "Undefined env variable: %s\n", B->ptr + 4);
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ctx->ok = 0;
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}
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} else if (NULL == (A = configparser_get_variable(ctx, B))) {
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fprintf(stderr, "Undefined config variable: %s\n", B->ptr);
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ctx->ok = 0;
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}
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}
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buffer_free(B);
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B = NULL;
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}
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value(A) ::= STRING(B). {
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A = (data_unset *)data_string_init();
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/* assumes data_string_init() result does not require swap and buffer_free()*/
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memcpy(&((data_string *)A)->value, B, sizeof(*B));
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free(B);
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B = NULL;
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}
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value(A) ::= INTEGER(B). {
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char *endptr;
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A = (data_unset *)data_integer_init();
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errno = 0;
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((data_integer *)(A))->value = strtol(B->ptr, &endptr, 10);
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/* skip trailing whitespace */
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if (endptr != B->ptr) while (isspace(*(unsigned char *)endptr)) endptr++;
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if (0 != errno || *endptr != '\0') {
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fprintf(stderr, "error parsing number: '%s'\n", B->ptr);
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ctx->ok = 0;
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}
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buffer_free(B);
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B = NULL;
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}
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value(A) ::= array(B). {
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A = (data_unset *)data_array_init();
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/* assumes data_array_init() result does not require swap and array_free() */
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memcpy(&((data_array *)(A))->value, B, sizeof(*B));
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free(B);
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B = NULL;
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}
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array(A) ::= LPARAN RPARAN. {
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A = array_init(8);
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}
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array(A) ::= LPARAN aelements(B) RPARAN. {
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A = B;
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B = NULL;
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}
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aelements(A) ::= aelements(C) COMMA aelement(B). {
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A = NULL;
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if (ctx->ok) {
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if (buffer_is_empty(&B->key) ||
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NULL == array_get_element_klen(C, CONST_BUF_LEN(&B->key))) {
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array_insert_unique(C, B);
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B = NULL;
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} else {
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fprintf(stderr, "Error: duplicate array-key: %s. Please get rid of the duplicate entry.\n",
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B->key.ptr);
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ctx->ok = 0;
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}
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A = C;
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C = NULL;
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}
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array_free(C);
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C = NULL;
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if (B) B->fn->free(B);
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B = NULL;
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}
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aelements(A) ::= aelements(C) COMMA. {
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A = C;
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C = NULL;
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}
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aelements(A) ::= aelement(B). {
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A = NULL;
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if (ctx->ok) {
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A = array_init(4);
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array_insert_unique(A, B);
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B = NULL;
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}
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if (B) B->fn->free(B);
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B = NULL;
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}
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aelement(A) ::= expression(B). {
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A = B;
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B = NULL;
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}
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aelement(A) ::= stringop(B) ARRAY_ASSIGN expression(C). {
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A = NULL;
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if (ctx->ok) {
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buffer_copy_buffer(&C->key, B);
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A = C;
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C = NULL;
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}
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if (C) C->fn->free(C);
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C = NULL;
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buffer_free(B);
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B = NULL;
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}
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eols ::= EOL.
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eols ::= .
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globalstart ::= GLOBAL. {
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data_config *dc;
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dc = configparser_get_data_config(ctx->srv->config_context, CONST_STR_LEN("global"));
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force_assert(dc);
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configparser_push(ctx, dc, 0);
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}
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global ::= globalstart LCURLY metalines RCURLY. {
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force_assert(ctx->current);
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configparser_pop(ctx);
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force_assert(ctx->current);
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}
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condlines(A) ::= condlines(B) eols ELSE condline(C). {
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A = NULL;
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if (ctx->ok) {
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if (B->context_ndx >= C->context_ndx) {
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fprintf(stderr, "unreachable else condition\n");
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ctx->ok = 0;
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}
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if (B->cond == CONFIG_COND_ELSE) {
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fprintf(stderr, "unreachable condition following else catch-all\n");
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ctx->ok = 0;
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}
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C->prev = B;
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B->next = C;
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A = C;
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}
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B = NULL;
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C = NULL;
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}
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condlines(A) ::= condlines(B) eols ELSE cond_else(C). {
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A = NULL;
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if (ctx->ok) {
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if (B->context_ndx >= C->context_ndx) {
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fprintf(stderr, "unreachable else condition\n");
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ctx->ok = 0;
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}
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if (B->cond == CONFIG_COND_ELSE) {
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fprintf(stderr, "unreachable condition following else catch-all\n");
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ctx->ok = 0;
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}
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}
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if (ctx->ok) {
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size_t pos;
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data_config *dc;
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dc = (data_config *)array_extract_element_klen(ctx->all_configs, CONST_BUF_LEN(&C->key));
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force_assert(C == dc);
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buffer_copy_buffer(&C->key, &B->key);
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C->comp = B->comp;
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/*buffer_copy_buffer(C->comp_key, B->comp_key);*/
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/*buffer_copy_buffer(&C->string, &B->string);*/
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pos = buffer_string_length(&C->key)-buffer_string_length(&B->string)-2;
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switch(B->cond) {
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case CONFIG_COND_NE:
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C->key.ptr[pos] = '='; /* opposite cond */
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/*buffer_copy_string_len(C->op, CONST_STR_LEN("=="));*/
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break;
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case CONFIG_COND_EQ:
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C->key.ptr[pos] = '!'; /* opposite cond */
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/*buffer_copy_string_len(C->op, CONST_STR_LEN("!="));*/
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break;
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case CONFIG_COND_NOMATCH:
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C->key.ptr[pos] = '='; /* opposite cond */
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/*buffer_copy_string_len(C->op, CONST_STR_LEN("=~"));*/
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break;
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case CONFIG_COND_MATCH:
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C->key.ptr[pos] = '!'; /* opposite cond */
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/*buffer_copy_string_len(C->op, CONST_STR_LEN("!~"));*/
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break;
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default: /* should not happen; CONFIG_COND_ELSE checked further above */
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force_assert(0);
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}
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if (NULL == (dc = configparser_get_data_config(ctx->all_configs, CONST_BUF_LEN(&C->key)))) {
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/* re-insert into ctx->all_configs with new C->key */
|
|
array_insert_unique(ctx->all_configs, (data_unset *)C);
|
|
C->prev = B;
|
|
B->next = C;
|
|
} else {
|
|
fprintf(stderr, "unreachable else condition\n");
|
|
ctx->ok = 0;
|
|
C->fn->free((data_unset *)C);
|
|
C = dc;
|
|
}
|
|
|
|
A = C;
|
|
}
|
|
B = NULL;
|
|
C = NULL;
|
|
}
|
|
|
|
condlines(A) ::= condline(B). {
|
|
A = B;
|
|
B = NULL;
|
|
}
|
|
|
|
condline(A) ::= context LCURLY metalines RCURLY. {
|
|
A = NULL;
|
|
if (ctx->ok) {
|
|
data_config *cur;
|
|
|
|
cur = ctx->current;
|
|
configparser_pop(ctx);
|
|
|
|
force_assert(cur && ctx->current);
|
|
|
|
A = cur;
|
|
}
|
|
}
|
|
|
|
cond_else(A) ::= context_else LCURLY metalines RCURLY. {
|
|
A = NULL;
|
|
if (ctx->ok) {
|
|
data_config *cur;
|
|
|
|
cur = ctx->current;
|
|
configparser_pop(ctx);
|
|
|
|
force_assert(cur && ctx->current);
|
|
|
|
A = cur;
|
|
}
|
|
}
|
|
|
|
context ::= DOLLAR SRVVARNAME(B) LBRACKET stringop(C) RBRACKET cond(E) expression(D). {
|
|
data_config *dc;
|
|
buffer *b = NULL, *rvalue;
|
|
const char *op = NULL;
|
|
|
|
if (ctx->ok && D->type != TYPE_STRING) {
|
|
fprintf(stderr, "rvalue must be string");
|
|
ctx->ok = 0;
|
|
}
|
|
|
|
if (ctx->ok) {
|
|
switch(E) {
|
|
case CONFIG_COND_NE:
|
|
op = "!=";
|
|
break;
|
|
case CONFIG_COND_EQ:
|
|
op = "==";
|
|
break;
|
|
case CONFIG_COND_NOMATCH:
|
|
op = "!~";
|
|
break;
|
|
case CONFIG_COND_MATCH:
|
|
op = "=~";
|
|
break;
|
|
default:
|
|
force_assert(0);
|
|
return; /* unreachable */
|
|
}
|
|
|
|
b = buffer_init();
|
|
buffer_copy_buffer(b, &ctx->current->key);
|
|
buffer_append_string_len(b, CONST_STR_LEN("/"));
|
|
buffer_append_string_buffer(b, B);
|
|
buffer_append_string_buffer(b, C);
|
|
buffer_append_string_len(b, op, 2);
|
|
rvalue = &((data_string*)D)->value;
|
|
buffer_append_string_buffer(b, rvalue);
|
|
|
|
if (NULL != (dc = configparser_get_data_config(ctx->all_configs, CONST_BUF_LEN(b)))) {
|
|
configparser_push(ctx, dc, 0);
|
|
} else {
|
|
static const struct {
|
|
comp_key_t comp;
|
|
char *comp_key;
|
|
size_t len;
|
|
} comps[] = {
|
|
{ COMP_SERVER_SOCKET, CONST_STR_LEN("SERVER[\"socket\"]" ) },
|
|
{ COMP_HTTP_URL, CONST_STR_LEN("HTTP[\"url\"]" ) },
|
|
{ COMP_HTTP_HOST, CONST_STR_LEN("HTTP[\"host\"]" ) },
|
|
{ COMP_HTTP_REQUEST_HEADER,CONST_STR_LEN("HTTP[\"referer\"]" ) },
|
|
{ COMP_HTTP_USER_AGENT, CONST_STR_LEN("HTTP[\"useragent\"]" ) },
|
|
{ COMP_HTTP_REQUEST_HEADER,CONST_STR_LEN("HTTP[\"user-agent\"]" ) },
|
|
{ COMP_HTTP_LANGUAGE, CONST_STR_LEN("HTTP[\"language\"]" ) },
|
|
{ COMP_HTTP_REQUEST_HEADER,CONST_STR_LEN("HTTP[\"cookie\"]" ) },
|
|
{ COMP_HTTP_REMOTE_IP, CONST_STR_LEN("HTTP[\"remoteip\"]" ) },
|
|
{ COMP_HTTP_REMOTE_IP, CONST_STR_LEN("HTTP[\"remote-ip\"]" ) },
|
|
{ COMP_HTTP_QUERY_STRING, CONST_STR_LEN("HTTP[\"querystring\"]") },
|
|
{ COMP_HTTP_QUERY_STRING, CONST_STR_LEN("HTTP[\"query-string\"]") },
|
|
{ COMP_HTTP_REQUEST_METHOD, CONST_STR_LEN("HTTP[\"request-method\"]") },
|
|
{ COMP_HTTP_SCHEME, CONST_STR_LEN("HTTP[\"scheme\"]" ) },
|
|
{ COMP_UNSET, NULL, 0 },
|
|
};
|
|
size_t i;
|
|
|
|
dc = data_config_init();
|
|
|
|
buffer_copy_buffer(&dc->key, b);
|
|
dc->op = op;
|
|
buffer_copy_buffer(dc->comp_tag, C);
|
|
buffer_copy_buffer(dc->comp_key, B);
|
|
buffer_append_string_len(dc->comp_key, CONST_STR_LEN("[\""));
|
|
buffer_append_string_buffer(dc->comp_key, C);
|
|
buffer_append_string_len(dc->comp_key, CONST_STR_LEN("\"]"));
|
|
dc->cond = E;
|
|
|
|
for (i = 0; comps[i].comp_key; i ++) {
|
|
if (buffer_is_equal_string(
|
|
dc->comp_key, comps[i].comp_key, comps[i].len)) {
|
|
dc->comp = comps[i].comp;
|
|
break;
|
|
}
|
|
}
|
|
if (COMP_UNSET == dc->comp) {
|
|
if (buffer_is_equal_string(B, CONST_STR_LEN("REQUEST_HEADER"))) {
|
|
dc->comp = COMP_HTTP_REQUEST_HEADER;
|
|
}
|
|
else {
|
|
fprintf(stderr, "error comp_key %s", dc->comp_key->ptr);
|
|
ctx->ok = 0;
|
|
}
|
|
}
|
|
else if (COMP_HTTP_LANGUAGE == dc->comp) {
|
|
dc->comp = COMP_HTTP_REQUEST_HEADER;
|
|
buffer_copy_string_len(dc->comp_tag, CONST_STR_LEN("Accept-Language"));
|
|
}
|
|
else if (COMP_HTTP_USER_AGENT == dc->comp) {
|
|
dc->comp = COMP_HTTP_REQUEST_HEADER;
|
|
buffer_copy_string_len(dc->comp_tag, CONST_STR_LEN("User-Agent"));
|
|
}
|
|
else if (COMP_HTTP_REMOTE_IP == dc->comp
|
|
&& (dc->cond == CONFIG_COND_EQ || dc->cond == CONFIG_COND_NE)) {
|
|
char * const slash = strchr(rvalue->ptr, '/'); /* CIDR mask */
|
|
char * const colon = strchr(rvalue->ptr, ':'); /* IPv6 */
|
|
if (NULL != slash && slash == rvalue->ptr){/*(skip AF_UNIX /path/file)*/
|
|
}
|
|
else if (NULL != slash) {
|
|
char *nptr;
|
|
const unsigned long nm_bits = strtoul(slash + 1, &nptr, 10);
|
|
if (*nptr || 0 == nm_bits || nm_bits > (NULL != colon ? 128 : 32)) {
|
|
/*(also rejects (slash+1 == nptr) which results in nm_bits = 0)*/
|
|
fprintf(stderr, "invalid or missing netmask: %s\n", rvalue->ptr);
|
|
ctx->ok = 0;
|
|
}
|
|
else {
|
|
int rc;
|
|
buffer_string_set_length(rvalue, (size_t)(slash - rvalue->ptr)); /*(truncate)*/
|
|
rc = (NULL == colon)
|
|
? http_request_host_normalize(rvalue, 0)
|
|
: configparser_remoteip_normalize_compat(rvalue);
|
|
buffer_append_string_len(rvalue, CONST_STR_LEN("/"));
|
|
buffer_append_int(rvalue, (int)nm_bits);
|
|
if (0 != rc) {
|
|
fprintf(stderr, "invalid IP addr: %s\n", rvalue->ptr);
|
|
ctx->ok = 0;
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
int rc = (NULL == colon)
|
|
? http_request_host_normalize(rvalue, 0)
|
|
: configparser_remoteip_normalize_compat(rvalue);
|
|
if (0 != rc) {
|
|
fprintf(stderr, "invalid IP addr: %s\n", rvalue->ptr);
|
|
ctx->ok = 0;
|
|
}
|
|
}
|
|
}
|
|
else if (COMP_SERVER_SOCKET == dc->comp) {
|
|
/*(redundant with parsing in network.c; not actually required here)*/
|
|
if (rvalue->ptr[0] != ':' /*(network.c special-cases ":" and "[]")*/
|
|
&& !(rvalue->ptr[0] == '[' && rvalue->ptr[1] == ']')) {
|
|
if (http_request_host_normalize(rvalue, 0)) {
|
|
fprintf(stderr, "invalid IP addr: %s\n", rvalue->ptr);
|
|
ctx->ok = 0;
|
|
}
|
|
}
|
|
}
|
|
else if (COMP_HTTP_HOST == dc->comp) {
|
|
if (dc->cond == CONFIG_COND_EQ || dc->cond == CONFIG_COND_NE) {
|
|
if (http_request_host_normalize(rvalue, 0)) {
|
|
fprintf(stderr, "invalid IP addr: %s\n", rvalue->ptr);
|
|
ctx->ok = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (COMP_HTTP_REQUEST_HEADER == dc->comp) {
|
|
dc->ext = http_header_hkey_get(CONST_BUF_LEN(dc->comp_tag));
|
|
}
|
|
|
|
buffer_copy_buffer(&dc->string, rvalue);
|
|
|
|
if (ctx->ok) switch(E) {
|
|
case CONFIG_COND_NE:
|
|
case CONFIG_COND_EQ:
|
|
break;
|
|
case CONFIG_COND_NOMATCH:
|
|
case CONFIG_COND_MATCH: {
|
|
if (!data_config_pcre_compile(dc)) {
|
|
ctx->ok = 0;
|
|
}
|
|
break;
|
|
}
|
|
|
|
default:
|
|
fprintf(stderr, "unknown condition for $%s[%s]\n",
|
|
B->ptr, C->ptr);
|
|
ctx->ok = 0;
|
|
break;
|
|
}
|
|
|
|
if (ctx->ok) {
|
|
configparser_push(ctx, dc, 1);
|
|
} else {
|
|
dc->fn->free((data_unset*) dc);
|
|
}
|
|
}
|
|
}
|
|
|
|
buffer_free(b);
|
|
buffer_free(B);
|
|
B = NULL;
|
|
buffer_free(C);
|
|
C = NULL;
|
|
if (D) D->fn->free(D);
|
|
D = NULL;
|
|
}
|
|
|
|
context_else ::= . {
|
|
if (ctx->ok) {
|
|
data_config *dc = data_config_init();
|
|
buffer_copy_buffer(&dc->key, &ctx->current->key);
|
|
buffer_append_string_len(&dc->key, CONST_STR_LEN("/"));
|
|
buffer_append_string_len(&dc->key, CONST_STR_LEN("else_tmp_token"));
|
|
dc->cond = CONFIG_COND_ELSE;
|
|
configparser_push(ctx, dc, 1);
|
|
}
|
|
}
|
|
|
|
cond(A) ::= EQ. {
|
|
A = CONFIG_COND_EQ;
|
|
}
|
|
cond(A) ::= MATCH. {
|
|
A = CONFIG_COND_MATCH;
|
|
}
|
|
cond(A) ::= NE. {
|
|
A = CONFIG_COND_NE;
|
|
}
|
|
cond(A) ::= NOMATCH. {
|
|
A = CONFIG_COND_NOMATCH;
|
|
}
|
|
|
|
stringop(A) ::= expression(B). {
|
|
A = NULL;
|
|
if (ctx->ok) {
|
|
if (B->type == TYPE_STRING) {
|
|
A = buffer_init_buffer(&((data_string*)B)->value);
|
|
} else if (B->type == TYPE_INTEGER) {
|
|
A = buffer_init();
|
|
buffer_append_int(A, ((data_integer *)B)->value);
|
|
} else {
|
|
fprintf(stderr, "operand must be string");
|
|
ctx->ok = 0;
|
|
}
|
|
}
|
|
if (B) B->fn->free(B);
|
|
B = NULL;
|
|
}
|
|
|
|
include ::= INCLUDE stringop(A). {
|
|
if (ctx->ok) {
|
|
if (0 != config_parse_file(ctx->srv, ctx, A->ptr)) {
|
|
ctx->ok = 0;
|
|
}
|
|
}
|
|
buffer_free(A);
|
|
A = NULL;
|
|
}
|
|
|
|
include_shell ::= INCLUDE_SHELL stringop(A). {
|
|
if (ctx->ok) {
|
|
if (0 != config_parse_cmd(ctx->srv, ctx, A->ptr)) {
|
|
ctx->ok = 0;
|
|
}
|
|
}
|
|
buffer_free(A);
|
|
A = NULL;
|
|
}
|