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diff --git a/server/util.c b/server/util.c
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index e0ba5c2..a6516d4 100644
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--- a/server/util.c
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+++ b/server/util.c
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@@ -968,20 +968,20 @@ AP_DECLARE(const char *) ap_pcfg_strerror(apr_pool_t *p, ap_configfile_t *cfp,
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/* Read one line from open ap_configfile_t, strip LF, increase line number */
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/* If custom handler does not define a getstr() function, read char by char */
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static apr_status_t ap_cfg_getline_core(char *buf, apr_size_t bufsize,
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- ap_configfile_t *cfp)
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+ apr_size_t offset, ap_configfile_t *cfp)
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{
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apr_status_t rc;
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/* If a "get string" function is defined, use it */
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if (cfp->getstr != NULL) {
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char *cp;
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- char *cbuf = buf;
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- apr_size_t cbufsize = bufsize;
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+ char *cbuf = buf + offset;
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+ apr_size_t cbufsize = bufsize - offset;
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while (1) {
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++cfp->line_number;
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rc = cfp->getstr(cbuf, cbufsize, cfp->param);
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if (rc == APR_EOF) {
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- if (cbuf != buf) {
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+ if (cbuf != buf + offset) {
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*cbuf = '\0';
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break;
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}
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@@ -999,11 +999,11 @@ static apr_status_t ap_cfg_getline_core(char *buf, apr_size_t bufsize,
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*/
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cp = cbuf;
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cp += strlen(cp);
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- if (cp > cbuf && cp[-1] == LF) {
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+ if (cp > buf && cp[-1] == LF) {
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cp--;
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- if (cp > cbuf && cp[-1] == CR)
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+ if (cp > buf && cp[-1] == CR)
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cp--;
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- if (cp > cbuf && cp[-1] == '\\') {
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+ if (cp > buf && cp[-1] == '\\') {
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cp--;
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/*
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* line continuation requested -
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@@ -1021,19 +1021,19 @@ static apr_status_t ap_cfg_getline_core(char *buf, apr_size_t bufsize,
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}
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} else {
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/* No "get string" function defined; read character by character */
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- apr_size_t i = 0;
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+ apr_size_t i = offset;
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if (bufsize < 2) {
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/* too small, assume caller is crazy */
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return APR_EINVAL;
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}
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- buf[0] = '\0';
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+ buf[offset] = '\0';
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while (1) {
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char c;
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rc = cfp->getch(&c, cfp->param);
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if (rc == APR_EOF) {
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- if (i > 0)
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+ if (i > offset)
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break;
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else
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return APR_EOF;
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@@ -1051,11 +1051,11 @@ static apr_status_t ap_cfg_getline_core(char *buf, apr_size_t bufsize,
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break;
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}
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}
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- else if (i >= bufsize - 2) {
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- return APR_ENOSPC;
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- }
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buf[i] = c;
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++i;
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+ if (i >= bufsize - 1) {
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+ return APR_ENOSPC;
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+ }
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}
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buf[i] = '\0';
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}
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@@ -1089,7 +1089,7 @@ static int cfg_trim_line(char *buf)
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AP_DECLARE(apr_status_t) ap_cfg_getline(char *buf, apr_size_t bufsize,
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ap_configfile_t *cfp)
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{
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- apr_status_t rc = ap_cfg_getline_core(buf, bufsize, cfp);
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+ apr_status_t rc = ap_cfg_getline_core(buf, bufsize, 0, cfp);
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if (rc == APR_SUCCESS)
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cfg_trim_line(buf);
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return rc;
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@@ -1116,7 +1116,7 @@ AP_DECLARE(apr_status_t) ap_varbuf_cfg_getline(struct ap_varbuf *vb,
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}
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for (;;) {
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- rc = ap_cfg_getline_core(vb->buf + vb->strlen, vb->avail - vb->strlen, cfp);
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+ rc = ap_cfg_getline_core(vb->buf, vb->avail, vb->strlen, cfp);
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if (rc == APR_ENOSPC || rc == APR_SUCCESS)
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vb->strlen += strlen(vb->buf + vb->strlen);
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if (rc != APR_ENOSPC)
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