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Router: matching regular expressions support.

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This commit is contained in:
Axel Duch
2020-11-17 15:03:30 +00:00
parent 2a381a82a6
commit e3af18834d
13 changed files with 575 additions and 39 deletions
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35
src/nxt_conf_validation.c
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@@ -11,6 +11,7 @@
#include <nxt_http.h>
#include <nxt_sockaddr.h>
#include <nxt_http_route_addr.h>
#include <nxt_regex.h>
typedef enum {
@@ -1504,8 +1505,12 @@ static nxt_int_t
nxt_conf_vldt_match_pattern(nxt_conf_validation_t *vldt,
nxt_conf_value_t *value)
{
nxt_str_t pattern;
nxt_uint_t i, first, last;
nxt_str_t pattern;
nxt_uint_t i, first, last;
#if (NXT_HAVE_REGEX)
nxt_regex_t *re;
nxt_regex_err_t err;
#endif
if (nxt_conf_type(value) != NXT_CONF_STRING) {
return nxt_conf_vldt_error(vldt, "The \"match\" patterns for \"host\", "
@@ -1519,6 +1524,32 @@ nxt_conf_vldt_match_pattern(nxt_conf_validation_t *vldt,
}
first = (pattern.start[0] == '!');
if (first < pattern.length && pattern.start[first] == '~') {
#if (NXT_HAVE_REGEX)
pattern.start += first + 1;
pattern.length -= first + 1;
re = nxt_regex_compile(vldt->pool, &pattern, &err);
if (nxt_slow_path(re == NULL)) {
if (err.offset < pattern.length) {
return nxt_conf_vldt_error(vldt, "Invalid regular expression: "
"%s at offset %d",
err.msg, err.offset);
}
return nxt_conf_vldt_error(vldt, "Invalid regular expression: %s",
err.msg);
}
return NXT_OK;
#else
return nxt_conf_vldt_error(vldt, "Unit is built without support of "
"regular expressions: \"--no-regex\" "
"./configure option was set.");
#endif
}
last = pattern.length - 1;
for (i = first; i < last; i++) {