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[mod_accesslog] avoid alloc for parsing cookie val

personal/stbuehler/ci-build
Glenn Strauss 3 years ago
parent
commit
b6e0880ae6
  1. 18
      src/mod_accesslog.c

18
src/mod_accesslog.c

@ -187,15 +187,15 @@ static void accesslog_write_all(server *srv, const buffer *filename, int fd, con
}
}
static void accesslog_append_escaped(buffer *dest, const buffer *str) {
static void accesslog_append_escaped_str(buffer *dest, char *str, size_t len) {
char *ptr, *start, *end;
/* replaces non-printable chars with \xHH where HH is the hex representation of the byte */
/* exceptions: " => \", \ => \\, whitespace chars => \n \t etc. */
if (buffer_string_is_empty(str)) return;
buffer_string_prepare_append(dest, buffer_string_length(str));
if (0 == len) return;
buffer_string_prepare_append(dest, len);
for (ptr = start = str->ptr, end = str->ptr + buffer_string_length(str); ptr < end; ptr++) {
for (ptr = start = str, end = str+len; ptr < end; ++ptr) {
unsigned char const c = (unsigned char) *ptr;
if (c >= ' ' && c <= '~' && c != '"' && c != '\\') {
/* nothing to change, add later as one block */
@ -247,6 +247,10 @@ static void accesslog_append_escaped(buffer *dest, const buffer *str) {
}
}
static void accesslog_append_escaped(buffer *dest, const buffer *str) {
accesslog_append_escaped_str(dest, CONST_BUF_LEN(str));
}
static int accesslog_parse_format(server *srv, format_fields *fields, buffer *format) {
size_t i, j, k = 0, start = 0;
@ -1088,14 +1092,10 @@ REQUESTDONE_FUNC(log_access_write) {
while (*str == ' ' || *str == '\t') ++str;
if (0 == strncmp(str, f->string->ptr, len) && str[len] == '=') {
char *v = str+len+1;
buffer *bstr;
for (str = v; *str != '\0' && *str != ';'; ++str) ;
if (str == v) break;
do { --str; } while (str > v && (*str == ' ' || *str == '\t'));
bstr = buffer_init();
buffer_copy_string_len(bstr, v, str - v + 1);
accesslog_append_escaped(b, bstr);
buffer_free(bstr);
accesslog_append_escaped_str(b, v, str - v + 1);
break;
} else {
while (*str != ';' && *str != ' ' && *str != '\t' && *str != '\0') ++str;

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