static int parse_config_entry(server *srv, array *ca, pcre_keyvalue_buffer *kvb, const char *option, size_t olen) {
data_unset *du;
if (NULL != (du = array_get_element_klen(ca, option, olen))) {
data_array *da;
size_t j;
da = (data_array *)du;
if (du->type != TYPE_ARRAY || !array_is_kvstring(da->value)) {
log_error_write(srv, __FILE__, __LINE__, "SSS",
"unexpected value for ", option, "; expected list of \"regex\" => \"subst\"");
return HANDLER_ERROR;
}
for (j = 0; j < da->value->used; j++) {
data_string *ds = (data_string *)da->value->data[j];
if (srv->srvconf.http_url_normalize) {
pcre_keyvalue_burl_normalize_key(ds->key, srv->tmp_buf);
pcre_keyvalue_burl_normalize_value(ds->value, srv->tmp_buf);
}
if (0 != pcre_keyvalue_buffer_append(srv, kvb, ds->key, ds->value)) {
log_error_write(srv, __FILE__, __LINE__, "sb",
"pcre-compile failed for", ds->key);
return HANDLER_ERROR;
}
}
}
return 0;
}
data_integer *status_counter_get_counter(server *srv, const char *s, size_t len) {
data_integer *di;
if (NULL == (di = (data_integer *)array_get_element_klen(srv->status, s, len))) {
/* not found, create it */
if (NULL == (di = (data_integer *)array_get_unused_element(srv->status, TYPE_INTEGER))) {
di = data_integer_init();
}
buffer_copy_string_len(di->key, s, len);
di->value = 0;
array_insert_unique(srv->status, (data_unset *)di);
}
return di;
}
static int ssi_expr_tokenizer(server *srv, connection *con, handler_ctx *p,
ssi_tokenizer_t *t, int *token_id, buffer *token) {
int tid = 0;
size_t i;
UNUSED(con);
for (tid = 0; tid == 0 && t->offset < t->size && t->input[t->offset] ; ) {
char c = t->input[t->offset];
data_string *ds;
switch (c) {
case '=':
tid = TK_EQ;
t->offset++;
t->line_pos++;
buffer_copy_string_len(token, CONST_STR_LEN("(=)"));
break;
case '>':
if (t->input[t->offset + 1] == '=') {
t->offset += 2;
t->line_pos += 2;
tid = TK_GE;
buffer_copy_string_len(token, CONST_STR_LEN("(>=)"));
} else {
t->offset += 1;
t->line_pos += 1;
tid = TK_GT;
buffer_copy_string_len(token, CONST_STR_LEN("(>)"));
}
break;
case '<':
if (t->input[t->offset + 1] == '=') {
t->offset += 2;
t->line_pos += 2;
tid = TK_LE;
buffer_copy_string_len(token, CONST_STR_LEN("(<=)"));
} else {
t->offset += 1;
t->line_pos += 1;
tid = TK_LT;
buffer_copy_string_len(token, CONST_STR_LEN("(<)"));
}
break;
case '!':
if (t->input[t->offset + 1] == '=') {
t->offset += 2;
t->line_pos += 2;
tid = TK_NE;
buffer_copy_string_len(token, CONST_STR_LEN("(!=)"));
} else {
t->offset += 1;
t->line_pos += 1;
tid = TK_NOT;
buffer_copy_string_len(token, CONST_STR_LEN("(!)"));
}
break;
case '&':
if (t->input[t->offset + 1] == '&') {
t->offset += 2;
t->line_pos += 2;
tid = TK_AND;
buffer_copy_string_len(token, CONST_STR_LEN("(&&)"));
} else {
log_error_write(srv, __FILE__, __LINE__, "sds",
"pos:", t->line_pos,
"missing second &");
return -1;
}
break;
case '|':
if (t->input[t->offset + 1] == '|') {
t->offset += 2;
t->line_pos += 2;
tid = TK_OR;
buffer_copy_string_len(token, CONST_STR_LEN("(||)"));
} else {
log_error_write(srv, __FILE__, __LINE__, "sds",
"pos:", t->line_pos,
"missing second |");
return -1;
}
break;
case '\t':
case ' ':
t->offset++;
t->line_pos++;
break;
case '\'':
/* search for the terminating " */
for (i = 1; t->input[t->offset + i] && t->input[t->offset + i] != '\''; i++);
if (t->input[t->offset + i]) {
tid = TK_VALUE;
buffer_copy_string_len(token, t->input + t->offset + 1, i-1);
t->offset += i + 1;
t->line_pos += i + 1;
} else {
/* ERROR */
log_error_write(srv, __FILE__, __LINE__, "sds",
"pos:", t->line_pos,
"missing closing quote");
return -1;
}
break;
case '(':
t->offset++;
t->in_brace++;
tid = TK_LPARAN;
buffer_copy_string_len(token, CONST_STR_LEN("("));
break;
case ')':
t->offset++;
t->in_brace--;
tid = TK_RPARAN;
buffer_copy_string_len(token, CONST_STR_LEN(")"));
break;
case '$':
if (t->input[t->offset + 1] == '{') {
for (i = 2; t->input[t->offset + i] && t->input[t->offset + i] != '}'; i++);
if (t->input[t->offset + i] != '}') {
log_error_write(srv, __FILE__, __LINE__, "sds",
"pos:", t->line_pos,
"missing closing quote");
return -1;
}
buffer_copy_string_len(token, t->input + t->offset + 2, i-3);
} else {
for (i = 1; isalpha(t->input[t->offset + i]) ||
t->input[t->offset + i] == '_' ||
((i > 1) && isdigit(t->input[t->offset + i])); i++);
buffer_copy_string_len(token, t->input + t->offset + 1, i-1);
}
tid = TK_VALUE;
if (NULL != (ds = (data_string *)array_get_element_klen(p->ssi_cgi_env, CONST_BUF_LEN(token)))) {
buffer_copy_buffer(token, ds->value);
} else if (NULL != (ds = (data_string *)array_get_element_klen(p->ssi_vars, CONST_BUF_LEN(token)))) {
buffer_copy_buffer(token, ds->value);
} else {
buffer_copy_string_len(token, CONST_STR_LEN(""));
}
t->offset += i;
t->line_pos += i;
break;
default:
for (i = 0; isgraph(t->input[t->offset + i]); i++) {
char d = t->input[t->offset + i];
switch(d) {
case ' ':
case '\t':
case ')':
case '(':
case '\'':
case '=':
case '!':
case '<':
case '>':
case '&':
case '|':
break;
}
}
tid = TK_VALUE;
buffer_copy_string_len(token, t->input + t->offset, i);
t->offset += i;
t->line_pos += i;
break;
}
}
if (tid) {
*token_id = tid;
return 1;
} else if (t->offset < t->size) {
log_error_write(srv, __FILE__, __LINE__, "sds",
"pos:", t->line_pos,
"foobar");
}
return 0;
}
