static void vhost_alias_interpolate(request_rec *r, const char *name,
const char *map, const char *uri)
{
/* 0..9 9..0 */
enum { MAXDOTS = 19 };
const char *dots[MAXDOTS+1];
int ndots;
char buf[HUGE_STRING_LEN];
char *dest, last;
int N, M, Np, Mp, Nd, Md;
const char *start, *end;
const char *p;
ndots = 0;
dots[ndots++] = name-1; /* slightly naughty */
for (p = name; *p; ++p){
if (*p == '.' && ndots < MAXDOTS) {
dots[ndots++] = p;
}
}
dots[ndots] = p;
r->filename = NULL;
dest = buf;
last = '\0';
while (*map) {
if (*map != '%') {
/* normal characters */
vhost_alias_checkspace(r, buf, &dest, 1);
last = *dest++ = *map++;
continue;
}
/* we are in a format specifier */
++map;
/* can't be a slash */
last = '\0';
/* %% -> % */
if (*map == '%') {
++map;
vhost_alias_checkspace(r, buf, &dest, 1);
*dest++ = '%';
continue;
}
/* port number */
if (*map == 'p') {
++map;
/* no. of decimal digits in a short plus one */
vhost_alias_checkspace(r, buf, &dest, 7);
dest += apr_snprintf(dest, 7, "%d", ap_get_server_port(r));
continue;
}
/* deal with %-N+.-M+ -- syntax is already checked */
N = M = 0; /* value */
Np = Mp = 0; /* is there a plus? */
Nd = Md = 0; /* is there a dash? */
if (*map == '-') ++map, Nd = 1;
N = *map++ - '0';
if (*map == '+') ++map, Np = 1;
if (*map == '.') {
++map;
if (*map == '-') {
++map, Md = 1;
}
M = *map++ - '0';
if (*map == '+') {
++map, Mp = 1;
}
}
/* note that N and M are one-based indices, not zero-based */
start = dots[0]+1; /* ptr to the first character */
end = dots[ndots]; /* ptr to the character after the last one */
if (N != 0) {
if (N > ndots) {
start = "_";
end = start+1;
}
else if (!Nd) {
start = dots[N-1]+1;
if (!Np) {
end = dots[N];
}
}
else {
if (!Np) {
start = dots[ndots-N]+1;
}
end = dots[ndots-N+1];
}
}
if (M != 0) {
if (M > end - start) {
start = "_";
end = start+1;
}
else if (!Md) {
start = start+M-1;
if (!Mp) {
end = start+1;
}
}
else {
if (!Mp) {
start = end-M;
}
end = end-M+1;
}
}
vhost_alias_checkspace(r, buf, &dest, end - start);
for (p = start; p < end; ++p) {
*dest++ = apr_tolower(*p);
}
}
*dest = '\0';
/* no double slashes */
if (last == '/') {
++uri;
}
if (r->filename) {
r->filename = apr_pstrcat(r->pool, r->filename, buf, uri, NULL);
}
else {
r->filename = apr_pstrcat(r->pool, buf, uri, NULL);
}
}
static void vhost_alias_interpolate(request_rec *r, mva_sconf_t *conf,
const char *name, const char *map,
const char *uri)
{
/* 0..9 9..0 */
enum { MAXDOTS = 19 };
const char *dots[MAXDOTS+1];
int ndots;
char buf[HUGE_STRING_LEN];
char *dest;
const char *docroot;
int N, M, Np, Mp, Nd, Md;
const char *start, *end;
const char *p;
ndots = 0;
dots[ndots++] = name-1; /* slightly naughty */
for (p = name; *p; ++p){
if (*p == '.' && ndots < MAXDOTS) {
dots[ndots++] = p;
}
}
dots[ndots] = p;
r->filename = NULL;
dest = buf;
while (*map) {
if (*map != '%') {
/* normal characters */
vhost_alias_checkspace(r, buf, &dest, 1);
*dest++ = *map++;
continue;
}
/* we are in a format specifier */
++map;
/* %% -> % */
if (*map == '%') {
++map;
vhost_alias_checkspace(r, buf, &dest, 1);
*dest++ = '%';
continue;
}
/* port number */
if (*map == 'p') {
++map;
/* no. of decimal digits in a short plus one */
vhost_alias_checkspace(r, buf, &dest, 7);
dest += apr_snprintf(dest, 7, "%d", ap_get_server_port(r));
continue;
}
/* deal with %-N+.-M+ -- syntax is already checked */
M = 0; /* value */
Np = Mp = 0; /* is there a plus? */
Nd = Md = 0; /* is there a dash? */
if (*map == '-') ++map, Nd = 1;
N = *map++ - '0';
if (*map == '+') ++map, Np = 1;
if (*map == '.') {
++map;
if (*map == '-') {
++map, Md = 1;
}
M = *map++ - '0';
if (*map == '+') {
++map, Mp = 1;
}
}
/* note that N and M are one-based indices, not zero-based */
start = dots[0]+1; /* ptr to the first character */
end = dots[ndots]; /* ptr to the character after the last one */
if (N != 0) {
if (N > ndots) {
start = "_";
end = start+1;
}
else if (!Nd) {
start = dots[N-1]+1;
if (!Np) {
end = dots[N];
}
}
else {
if (!Np) {
start = dots[ndots-N]+1;
}
end = dots[ndots-N+1];
}
}
if (M != 0) {
if (M > end - start) {
start = "_";
end = start+1;
}
else if (!Md) {
start = start+M-1;
if (!Mp) {
end = start+1;
}
}
else {
if (!Mp) {
start = end-M;
}
end = end-M+1;
}
}
vhost_alias_checkspace(r, buf, &dest, end - start);
for (p = start; p < end; ++p) {
*dest++ = apr_tolower(*p);
}
}
/* no double slashes */
if (dest - buf > 0 && dest[-1] == '/') {
--dest;
}
*dest = '\0';
/*
* A this point we either have a document root which points to something
* on disk - or not.
*
* If the document root doesn't exist on disk we can *attempt* to remap
* that to the real file.
*
* If this remapping fails we don't care as the result will be a 404,
* and that would have happened anyway.
*
*/
{
struct stat buffer;
/**
* If we have:
*
* A document root
* Which doesn't exist.
*
* Then:
*
* Attempt to fix.
*
*/
if ( ( NULL != buf ) &&
( stat( buf, &buffer ) < 0 ) )
{
/**
* Here we strip out the first part of the name
* after the /srv prefix which will result in
* a request being rewritten from (for example)
*
* /srv/test.example.com/public/htdocs
*
* to:
*
* /srv/example.com/public/htdocs
*
*/
update_vhost_request( buf );
}
}
if (r->filename)
docroot = apr_pstrcat(r->pool, r->filename, buf, NULL);
else
docroot = apr_pstrdup(r->pool, buf);
r->filename = apr_pstrcat(r->pool, docroot, uri, NULL);
ap_set_context_info(r, NULL, docroot);
ap_set_document_root(r, docroot);
}