Commit e601b598 authored by Jim Jagielski's avatar Jim Jagielski
Browse files

Remove magic numbers; ensure that an invalid nmatch is corrected 

tagged

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1194912 13f79535-47bb-0310-9956-ffa450edef68
parent dd4d728b

server/util.c

+6 −6
Original line number Diff line number Diff line
@@ -382,9 +382,9 @@ static apr_status_t regsub_core(apr_pool_t *p, char **result, 
    apr_size_t len = 0;



    AP_DEBUG_ASSERT((result && p && !vb) || (vb && !p && !result));

    if (!source)

    if (!source || nmatch>AP_MAX_REG_MATCH)

        return APR_EINVAL;

    if (!nmatch || nmatch>AP_MAX_REG_MATCH) {

    if (!nmatch) {

        len = strlen(src);

        if (maxlen > 0 && len >= maxlen)

            return APR_ENOMEM;
@@ -405,7 +405,7 @@ static apr_status_t regsub_core(apr_pool_t *p, char **result, 
        else

            no = AP_MAX_REG_MATCH;



        if (no > 9) {                /* Ordinary character. */

        if (no >= AP_MAX_REG_MATCH) {  /* Ordinary character. */

            if (c == '\\' && *src)

                src++;

            len++;
@@ -440,9 +440,9 @@ static apr_status_t regsub_core(apr_pool_t *p, char **result, 
        else if (c == '$' && apr_isdigit(*src))

            no = *src++ - '0';

        else

            no = 10;

            no = AP_MAX_REG_MATCH;



        if (no > 9) {                /* Ordinary character. */

        if (no >= AP_MAX_REG_MATCH) {  /* Ordinary character. */

            if (c == '\\' && (*src == '$' || *src == '&'))

                c = *src++;

            *dst++ = c;
@@ -460,7 +460,7 @@ static apr_status_t regsub_core(apr_pool_t *p, char **result, 
}



#ifndef AP_PREGSUB_MAXLEN

#define AP_PREGSUB_MAXLEN   65536

#define AP_PREGSUB_MAXLEN   (HUGE_STRING_LEN * 8)

#endif

AP_DECLARE(char *) ap_pregsub(apr_pool_t *p, const char *input,

                              const char *source, size_t nmatch,