/**
* Handler for "AddClientEncoding" directive.
*
* This registers regex pattern of UserAgent: header and expected
* encoding(s) from that useragent.
*/
static const char *
add_client_encoding(cmd_parms *cmd, encoding_config *conf, char *args) {
array_header *encs;
char *arg;
LOG(APLOG_DEBUG, cmd->server, "add_client_encoding: entered");
LOG(APLOG_DEBUG, cmd->server, "add_client_encoding: args == %s", args);
if (! cmd->path) {
conf = ap_get_module_config(cmd->server->module_config, &encoding_module);
}
encs = ap_make_array(cmd->pool, 1, sizeof(void *));
/* register useragent with UserAgent: pattern */
if (*args && (arg = ap_getword_conf_nc(cmd->pool, &args))) {
LOG(APLOG_DEBUG, cmd->server, "add_client_encoding: agent: %s", arg);
*(void **)ap_push_array(conf->client_encoding) =
ap_pregcomp(cmd->pool, arg, REG_EXTENDED|REG_ICASE|REG_NOSUB);
}
/* register list of possible encodings from above useragent */
while (*args && (arg = ap_getword_conf_nc(cmd->pool, &args))) {
LOG(APLOG_DEBUG, cmd->server, "add_client_encoding: encname: %s", arg);
*(void **)ap_push_array(encs) = ap_pstrdup(cmd->pool, arg);
}
*(void **)ap_push_array(conf->client_encoding) = encs;
return NULL;
}
void *ssl_ds_table_push(ssl_ds_table *t, char *key)
{
char *k;
void *d;
k = (char *)ap_push_array(t->aKey);
d = (void *)ap_push_array(t->aData);
ap_cpystrn(k, key, t->aKey->elt_size);
return d;
}
/* ====================================================================
* This function gets called to create a per-directory configuration
* record. This will be called for the "default" server environment, and for
* each directory for which the parser finds any of our directives applicable.
* If a directory doesn't have any of our directives involved (i.e., they
* aren't in the .htaccess file, or a <Location>, <Directory>, or related
* block), this routine will *not* be called - the configuration for the
* closest ancestor is used.
*
* The return value is a pointer to the created module-specific structure.
* ==================================================================== */
static void *wk_create_dir_config(pool *p, char *dirspec)
{
wkcfg *cfg;
char **header;
/*
* Allocate the space for our record from the pool supplied.
*/
cfg = (wkcfg *)ap_pcalloc(p, sizeof(wkcfg));
/*
* Now fill in the defaults. If there are any `parent' configuration
* records, they'll get merged as part of a separate callback.
*/
cfg->port = 8086;
cfg->host = "localhost";
cfg->addr = resolve_host(cfg->host);
cfg->retryattempts = 10;
cfg->retrydelay = 1;
cfg->passheaders = ap_make_array(p, 1, sizeof(char *));
/*
* Pass the "If-Modified-Since" HTTP header through.
* Servlets may inspect this value and, if the object has not changed,
* return "Status: 304" and no body.
*/
header = (char **)ap_push_array(cfg->passheaders);
*header = "If-Modified-Since";
return (void *)cfg;
}
static void push_item(array_header *arr, char *type, char *to, char *path,
char *data)
{
struct item *p = (struct item *) ap_push_array(arr);
if (!to) {
to = "";
}
if (!path) {
path = "";
}
p->type = type;
p->data = data ? ap_pstrdup(arr->pool, data) : NULL;
p->apply_path = ap_pstrcat(arr->pool, path, "*", NULL);
if ((type == BY_PATH) && (!ap_is_matchexp(to))) {
p->apply_to = ap_pstrcat(arr->pool, "*", to, NULL);
}
else if (to) {
p->apply_to = ap_pstrdup(arr->pool, to);
}
else {
p->apply_to = NULL;
}
}
static array_header *parse_log_string(pool *p, const char *s, const char **err)
{
array_header *a = ap_make_array(p, 30, sizeof(log_format_item));
char *res;
while (*s) {
if ((res = parse_log_item(p, (log_format_item *) ap_push_array(a), &s))) {
*err = res;
return NULL;
}
}
s = "\n";
parse_log_item(p, (log_format_item *) ap_push_array(a), &s);
return a;
}
/**
* Return the list of encoding(s) (defaults to (list "UTF-8"))
* which named client is expected to send.
*
* @param r Apache request object structure
* @param encmap Table of UA-to-encoding(s)
* @param lookup Name of the useragent to look for
*/
static array_header *
get_client_encoding(request_rec *r,
array_header *encmap, const char *lookup) {
void **list = (void **)encmap->elts;
array_header *encs = ap_make_array(r->pool, 1, sizeof(char *));
int i;
LOG(APLOG_DEBUG, r->server, "get_client_encoding: entered");
/* push UTF-8 as the first candidate of expected encoding */
*((char **)ap_push_array(encs)) = ap_pstrdup(r->pool, "UTF-8");
if (! lookup)
return encs;
LOG(APLOG_DEBUG, r->server, "get_client_encoding: lookup == %s", lookup);
for (i = 0 ; i < encmap->nelts ; i += 2) {
if (ap_regexec((regex_t *)list[i], lookup, 0, NULL, 0) == 0) {
LOG(APLOG_DEBUG, r->server, "get_client_encoding: entry found");
ap_array_cat(encs, (array_header *)list[i + 1]);
return encs;
}
}
LOG(APLOG_DEBUG, r->server, "get_client_encoding: entry not found");
return encs;
}
static const char *add_custom_log(cmd_parms *cmd, void *dummy, char *fn,
char *fmt, char *envclause)
{
const char *err_string = NULL;
multi_log_state *mls = ap_get_module_config(cmd->server->module_config,
&config_log_module);
config_log_state *cls;
cls = (config_log_state *) ap_push_array(mls->config_logs);
cls->condition_var = NULL;
if (envclause != NULL) {
if (strncasecmp(envclause, "env=", 4) != 0) {
return "error in condition clause";
}
if ((envclause[4] == '\0')
|| ((envclause[4] == '!') && (envclause[5] == '\0'))) {
return "missing environment variable name";
}
cls->condition_var = ap_pstrdup(cmd->pool, &envclause[4]);
}
cls->fname = fn;
cls->format_string = fmt;
if (fmt == NULL) {
cls->format = NULL;
}
else {
cls->format = parse_log_string(cmd->pool, fmt, &err_string);
}
cls->log_fd = -1;
return err_string;
}
void *ssl_ds_array_push(ssl_ds_array *a)
{
void *d;
d = (void *)ap_push_array(a->aData);
return d;
}
/* ====================================================================
* Command handler for the PassHeader command.
* Takes 1 argument,
* the HTTP header to pass through to the AppServer.
* ==================================================================== */
static const char *handle_passheader(cmd_parms *cmd, void *mconfig, char *word1)
{
wkcfg* cfg;
cfg = (wkcfg *)mconfig;
if (word1 != NULL) {
char **header = (char **)ap_push_array(cfg->passheaders);
*header = word1;
}
return NULL;
}
static const char *get_pass_header(pool *p, const char **arg, array_header **array)
{
const char **header;
if (!*array) {
*array = ap_make_array(p, 10, sizeof(char*));
}
header = (const char **)ap_push_array(*array);
*header = ap_getword_conf(p, arg);
return header ? NULL : "\"\"";
}
/**
* Handler for "DefaultClientEncoding" directive.
*
* This registers encodings that work as "fallback" for most clients.
*/
static const char *
default_client_encoding(cmd_parms *cmd, encoding_config *conf, char *args) {
char *arg;
LOG(APLOG_DEBUG, cmd->server, "default_client_encoding: entered");
LOG(APLOG_DEBUG, cmd->server, "default_client_encoding: args == %s", args);
if (! cmd->path) {
conf = ap_get_module_config(cmd->server->module_config, &encoding_module);
}
conf->default_encoding = ap_make_array(cmd->pool, 1, sizeof(char *));
/* register list of possible encodings as a default */
while (*args && (arg = ap_getword_conf_nc(cmd->pool, &args))) {
LOG(APLOG_DEBUG, cmd->server, "default_client_encoding: encname: %s", arg);
*(void **)ap_push_array(conf->default_encoding)
= ap_pstrdup(cmd->pool, arg);
}
return NULL;
}
static const char *add_desc(cmd_parms *cmd, void *d, char *desc, char *to)
{
autoindex_config_rec *dcfg = (autoindex_config_rec *) d;
ai_desc_t *desc_entry;
char *prefix = "";
desc_entry = (ai_desc_t *) ap_push_array(dcfg->desc_list);
desc_entry->full_path = (strchr(to, '/') == NULL) ? 0 : 1;
desc_entry->wildcards = (WILDCARDS_REQUIRED
|| desc_entry->full_path
|| ap_is_fnmatch(to));
if (desc_entry->wildcards) {
prefix = desc_entry->full_path ? "*/" : "*";
desc_entry->pattern = ap_pstrcat(dcfg->desc_list->pool,
prefix, to, "*", NULL);
}
else {
desc_entry->pattern = ap_pstrdup(dcfg->desc_list->pool, to);
}
desc_entry->description = ap_pstrdup(dcfg->desc_list->pool, desc);
return NULL;
}
static int make_params(void *data, const char *key, const char *val)
{
array_header *arr = (array_header *)data;
*(char **)ap_push_array(arr) = (char *)val;
return 1;
}
static int check_speling(request_rec *r)
{
spconfig *cfg;
char *good, *bad, *postgood, *url;
int filoc, dotloc, urlen, pglen;
DIR *dirp;
struct DIR_TYPE *dir_entry;
array_header *candidates = NULL;
cfg = ap_get_module_config(r->per_dir_config, &speling_module);
if (!cfg->enabled) {
return DECLINED;
}
/* We only want to worry about GETs */
if (r->method_number != M_GET) {
return DECLINED;
}
/* We've already got a file of some kind or another */
if (r->proxyreq != NOT_PROXY || (r->finfo.st_mode != 0)) {
return DECLINED;
}
/* This is a sub request - don't mess with it */
if (r->main) {
return DECLINED;
}
/*
* The request should end up looking like this:
* r->uri: /correct-url/mispelling/more
* r->filename: /correct-file/mispelling r->path_info: /more
*
* So we do this in steps. First break r->filename into two pieces
*/
filoc = ap_rind(r->filename, '/');
/*
* Don't do anything if the request doesn't contain a slash, or
* requests "/"
*/
if (filoc == -1 || strcmp(r->uri, "/") == 0) {
return DECLINED;
}
/* good = /correct-file */
good = ap_pstrndup(r->pool, r->filename, filoc);
/* bad = mispelling */
bad = ap_pstrdup(r->pool, r->filename + filoc + 1);
/* postgood = mispelling/more */
postgood = ap_pstrcat(r->pool, bad, r->path_info, NULL);
urlen = strlen(r->uri);
pglen = strlen(postgood);
/* Check to see if the URL pieces add up */
if (strcmp(postgood, r->uri + (urlen - pglen))) {
return DECLINED;
}
/* url = /correct-url */
url = ap_pstrndup(r->pool, r->uri, (urlen - pglen));
/* Now open the directory and do ourselves a check... */
dirp = ap_popendir(r->pool, good);
if (dirp == NULL) { /* Oops, not a directory... */
return DECLINED;
}
candidates = ap_make_array(r->pool, 2, sizeof(misspelled_file));
dotloc = ap_ind(bad, '.');
if (dotloc == -1) {
dotloc = strlen(bad);
}
while ((dir_entry = readdir(dirp)) != NULL) {
sp_reason q;
/*
* If we end up with a "fixed" URL which is identical to the
* requested one, we must have found a broken symlink or some such.
* Do _not_ try to redirect this, it causes a loop!
*/
if (strcmp(bad, dir_entry->d_name) == 0) {
ap_pclosedir(r->pool, dirp);
return OK;
}
/*
* miscapitalization errors are checked first (like, e.g., lower case
* file, upper case request)
*/
else if (strcasecmp(bad, dir_entry->d_name) == 0) {
misspelled_file *sp_new;
sp_new = (misspelled_file *) ap_push_array(candidates);
sp_new->name = ap_pstrdup(r->pool, dir_entry->d_name);
sp_new->quality = SP_MISCAPITALIZED;
}
/*
* simple typing errors are checked next (like, e.g.,
* missing/extra/transposed char)
*/
else if ((q = spdist(bad, dir_entry->d_name)) != SP_VERYDIFFERENT) {
misspelled_file *sp_new;
sp_new = (misspelled_file *) ap_push_array(candidates);
sp_new->name = ap_pstrdup(r->pool, dir_entry->d_name);
sp_new->quality = q;
}
/*
* The spdist() should have found the majority of the misspelled
* requests. It is of questionable use to continue looking for
* files with the same base name, but potentially of totally wrong
* type (index.html <-> index.db).
* I would propose to not set the WANT_BASENAME_MATCH define.
* 08-Aug-1997 <*****@*****.**>
*
* However, Alexei replied giving some reasons to add it anyway:
* > Oh, by the way, I remembered why having the
* > extension-stripping-and-matching stuff is a good idea:
* >
* > If you're using MultiViews, and have a file named foobar.html,
* > which you refer to as "foobar", and someone tried to access
* > "Foobar", mod_speling won't find it, because it won't find
* > anything matching that spelling. With the extension-munging,
* > it would locate "foobar.html". Not perfect, but I ran into
* > that problem when I first wrote the module.
*/
else {
#ifdef WANT_BASENAME_MATCH
/*
* Okay... we didn't find anything. Now we take out the hard-core
* power tools. There are several cases here. Someone might have
* entered a wrong extension (.htm instead of .html or vice
* versa) or the document could be negotiated. At any rate, now
* we just compare stuff before the first dot. If it matches, we
* figure we got us a match. This can result in wrong things if
* there are files of different content types but the same prefix
* (e.g. foo.gif and foo.html) This code will pick the first one
* it finds. Better than a Not Found, though.
*/
int entloc = ap_ind(dir_entry->d_name, '.');
if (entloc == -1) {
entloc = strlen(dir_entry->d_name);
}
if ((dotloc == entloc)
&& !strncasecmp(bad, dir_entry->d_name, dotloc)) {
misspelled_file *sp_new;
sp_new = (misspelled_file *) ap_push_array(candidates);
sp_new->name = ap_pstrdup(r->pool, dir_entry->d_name);
sp_new->quality = SP_VERYDIFFERENT;
}
#endif
}
}
ap_pclosedir(r->pool, dirp);
if (candidates->nelts != 0) {
/* Wow... we found us a mispelling. Construct a fixed url */
char *nuri;
const char *ref;
misspelled_file *variant = (misspelled_file *) candidates->elts;
int i;
ref = ap_table_get(r->headers_in, "Referer");
qsort((void *) candidates->elts, candidates->nelts,
sizeof(misspelled_file), sort_by_quality);
/*
* Conditions for immediate redirection:
* a) the first candidate was not found by stripping the suffix
* AND b) there exists only one candidate OR the best match is not
* ambiguous
* then return a redirection right away.
*/
if (variant[0].quality != SP_VERYDIFFERENT
&& (candidates->nelts == 1
|| variant[0].quality != variant[1].quality)) {
nuri = ap_escape_uri(r->pool, ap_pstrcat(r->pool, url,
variant[0].name,
r->path_info, NULL));
if (r->parsed_uri.query)
nuri = ap_pstrcat(r->pool, nuri, "?", r->parsed_uri.query, NULL);
ap_table_setn(r->headers_out, "Location",
ap_construct_url(r->pool, nuri, r));
ap_log_rerror(APLOG_MARK, APLOG_NOERRNO | APLOG_INFO, r,
ref ? "Fixed spelling: %s to %s from %s"
: "Fixed spelling: %s to %s",
r->uri, nuri, ref);
return HTTP_MOVED_PERMANENTLY;
}
/*
* Otherwise, a "[300] Multiple Choices" list with the variants is
* returned.
*/
else {
pool *p;
table *notes;
pool *sub_pool;
array_header *t;
array_header *v;
if (r->main == NULL) {
p = r->pool;
notes = r->notes;
}
else {
p = r->main->pool;
notes = r->main->notes;
}
sub_pool = ap_make_sub_pool(p);
t = ap_make_array(sub_pool, candidates->nelts * 8 + 8,
sizeof(char *));
v = ap_make_array(sub_pool, candidates->nelts * 5,
sizeof(char *));
/* Generate the response text. */
*(const char **)ap_push_array(t) =
"The document name you requested (<code>";
*(const char **)ap_push_array(t) = ap_escape_html(sub_pool, r->uri);
*(const char **)ap_push_array(t) =
"</code>) could not be found on this server.\n"
"However, we found documents with names similar "
"to the one you requested.<p>"
"Available documents:\n<ul>\n";
for (i = 0; i < candidates->nelts; ++i) {
char *vuri;
const char *reason;
reason = sp_reason_str[(int) (variant[i].quality)];
/* The format isn't very neat... */
vuri = ap_pstrcat(sub_pool, url, variant[i].name, r->path_info,
(r->parsed_uri.query != NULL) ? "?" : "",
(r->parsed_uri.query != NULL)
? r->parsed_uri.query : "",
NULL);
*(const char **)ap_push_array(v) = "\"";
*(const char **)ap_push_array(v) = ap_escape_uri(sub_pool, vuri);
*(const char **)ap_push_array(v) = "\";\"";
*(const char **)ap_push_array(v) = reason;
*(const char **)ap_push_array(v) = "\"";
*(const char **)ap_push_array(t) = "<li><a href=\"";
*(const char **)ap_push_array(t) = ap_escape_uri(sub_pool, vuri);
*(const char **)ap_push_array(t) = "\">";
*(const char **)ap_push_array(t) = ap_escape_html(sub_pool, vuri);
*(const char **)ap_push_array(t) = "</a> (";
*(const char **)ap_push_array(t) = reason;
*(const char **)ap_push_array(t) = ")\n";
/*
* when we have printed the "close matches" and there are
* more "distant matches" (matched by stripping the suffix),
* then we insert an additional separator text to suggest
* that the user LOOK CLOSELY whether these are really the
* files she wanted.
*/
if (i > 0 && i < candidates->nelts - 1
&& variant[i].quality != SP_VERYDIFFERENT
&& variant[i + 1].quality == SP_VERYDIFFERENT) {
*(const char **)ap_push_array(t) =
"</ul>\nFurthermore, the following related "
"documents were found:\n<ul>\n";
}
}
*(const char **)ap_push_array(t) = "</ul>\n";
/* If we know there was a referring page, add a note: */
if (ref != NULL) {
*(const char **)ap_push_array(t) =
"Please consider informing the owner of the "
"<a href=\"";
*(const char **)ap_push_array(t) = ap_escape_uri(sub_pool, ref);
*(const char **)ap_push_array(t) = "\">referring page</a> "
"about the broken link.\n";
}
/* Pass our table to http_protocol.c (see mod_negotiation): */
ap_table_setn(notes, "variant-list", ap_array_pstrcat(p, t, 0));
ap_table_mergen(r->subprocess_env, "VARIANTS",
ap_array_pstrcat(p, v, ','));
ap_destroy_pool(sub_pool);
ap_log_rerror(APLOG_MARK, APLOG_NOERRNO | APLOG_INFO, r,
ref ? "Spelling fix: %s: %d candidates from %s"
: "Spelling fix: %s: %d candidates",
r->uri, candidates->nelts, ref);
return HTTP_MULTIPLE_CHOICES;
}
}
return OK;
}
static char *parse_log_item(pool *p, log_format_item *it, const char **sa)
{
const char *s = *sa;
if (*s != '%') {
return parse_log_misc_string(p, it, sa);
}
++s;
it->condition_sense = 0;
it->conditions = NULL;
it->want_orig = -1;
it->arg = ""; /* For safety's sake... */
while (*s) {
int i;
struct log_item_list *l;
switch (*s) {
case '!':
++s;
it->condition_sense = !it->condition_sense;
break;
case '<':
++s;
it->want_orig = 1;
break;
case '>':
++s;
it->want_orig = 0;
break;
case ',':
++s;
break;
case '{':
++s;
it->arg = ap_getword(p, &s, '}');
break;
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
i = *s - '0';
while (ap_isdigit(*++s)) {
i = i * 10 + (*s) - '0';
}
if (!it->conditions) {
it->conditions = ap_make_array(p, 4, sizeof(int));
}
*(int *) ap_push_array(it->conditions) = i;
break;
default:
l = find_log_func(*s++);
if (!l) {
char dummy[2];
dummy[0] = s[-1];
dummy[1] = '\0';
return ap_pstrcat(p, "Unrecognized LogFormat directive %",
dummy, NULL);
}
it->func = l->func;
if (it->want_orig == -1) {
it->want_orig = l->want_orig_default;
}
*sa = s;
return NULL;
}
}
return "Ran off end of LogFormat parsing args to some directive";
}
static const char *allow_cmd(cmd_parms *cmd, void *dv, char *from, char *where)
{
access_dir_conf *d = (access_dir_conf *) dv;
allowdeny *a;
char *s;
if (strcasecmp(from, "from"))
return "allow and deny must be followed by 'from'";
a = (allowdeny *) ap_push_array(cmd->info ? d->allows : d->denys);
a->x.from = where;
a->limited = cmd->limited;
if (!strncasecmp(where, "env=", 4)) {
a->type = T_ENV;
a->x.from += 4;
}
else if (!strcasecmp(where, "all")) {
a->type = T_ALL;
}
else if ((s = strchr(where, '/'))) {
struct in_addr mask;
a->type = T_IP;
/* trample on where, we won't be using it any more */
*s++ = '\0';
if (!is_ip(where)
|| (a->x.ip.net.s_addr = ap_inet_addr(where)) == INADDR_NONE) {
a->type = T_FAIL;
return "syntax error in network portion of network/netmask";
}
/* is_ip just tests if it matches [\d.]+ */
if (!is_ip(s)) {
a->type = T_FAIL;
return "syntax error in mask portion of network/netmask";
}
/* is it in /a.b.c.d form? */
if (strchr(s, '.')) {
mask.s_addr = ap_inet_addr(s);
if (mask.s_addr == INADDR_NONE) {
a->type = T_FAIL;
return "syntax error in mask portion of network/netmask";
}
}
else {
int i;
/* assume it's in /nnn form */
i = atoi(s);
if (i > 32 || i <= 0) {
a->type = T_FAIL;
return "invalid mask in network/netmask";
}
mask.s_addr = 0xFFFFFFFFUL << (32 - i);
mask.s_addr = htonl(mask.s_addr);
}
a->x.ip.mask = mask;
a->x.ip.net.s_addr = (a->x.ip.net.s_addr & mask.s_addr); /* pjr - This fixes PR 4770 */
}
else if (ap_isdigit(*where) && is_ip(where)) {
/* legacy syntax for ip addrs: a.b.c. ==> a.b.c.0/24 for example */
int shift;
char *t;
int octet;
a->type = T_IP;
/* parse components */
s = where;
a->x.ip.net.s_addr = 0;
a->x.ip.mask.s_addr = 0;
shift = 24;
while (*s) {
t = s;
if (!ap_isdigit(*t)) {
a->type = T_FAIL;
return "invalid ip address";
}
while (ap_isdigit(*t)) {
++t;
}
if (*t == '.') {
*t++ = 0;
}
else if (*t) {
a->type = T_FAIL;
return "invalid ip address";
}
if (shift < 0) {
a->type = T_FAIL;
return "invalid ip address, only 4 octets allowed";
}
octet = atoi(s);
if (octet < 0 || octet > 255) {
a->type = T_FAIL;
return "each octet must be between 0 and 255 inclusive";
}
a->x.ip.net.s_addr |= (unsigned int)octet << shift;
a->x.ip.mask.s_addr |= 0xFFUL << shift;
s = t;
shift -= 8;
}
a->x.ip.net.s_addr = ntohl(a->x.ip.net.s_addr);
a->x.ip.mask.s_addr = ntohl(a->x.ip.mask.s_addr);
}
else {
a->type = T_HOST;
}
return NULL;
}
static const char *load_module(cmd_parms *cmd, void *dummy,
char *modname, char *filename)
{
ap_os_dso_handle_t modhandle;
module *modp;
const char *szModuleFile=ap_server_root_relative(cmd->pool, filename);
so_server_conf *sconf;
moduleinfo *modi;
moduleinfo *modie;
int i;
const char *err = ap_check_cmd_context(cmd, GLOBAL_ONLY);
if (err != NULL) {
return err;
}
/*
* check for already existing module
* If it already exists, we have nothing to do
*/
sconf = (so_server_conf *)ap_get_module_config(cmd->server->module_config,
&so_module);
modie = (moduleinfo *)sconf->loaded_modules->elts;
for (i = 0; i < sconf->loaded_modules->nelts; i++) {
modi = &modie[i];
if (modi->name != NULL && strcmp(modi->name, modname) == 0) {
ap_log_error(APLOG_MARK, APLOG_WARNING|APLOG_NOERRNO, cmd->server,
"module %s is already loaded, skipping", modname);
return NULL;
}
}
modi = ap_push_array(sconf->loaded_modules);
modi->name = modname;
/*
* Load the file into the Apache address space
*/
ap_server_strip_chroot(szModuleFile, 0);
if (!(modhandle = ap_os_dso_load(szModuleFile))) {
const char *my_error = ap_os_dso_error();
return ap_pstrcat (cmd->pool, "Cannot load ", szModuleFile,
" into server: ",
my_error ? my_error : "(reason unknown)",
NULL);
}
ap_log_error(APLOG_MARK, APLOG_DEBUG|APLOG_NOERRNO, NULL,
"loaded module %s", modname);
/*
* Retrieve the pointer to the module structure through the module name:
* First with the hidden variant (prefix `AP_') and then with the plain
* symbol name.
*/
if (!(modp = (module *)(ap_os_dso_sym(modhandle, modname)))) {
return ap_pstrcat(cmd->pool, "Can't locate API module structure `", modname,
"' in file ", szModuleFile, ": ", ap_os_dso_error(), NULL);
}
modi->modp = modp;
modp->dynamic_load_handle = (void *)modhandle;
/*
* Make sure the found module structure is really a module structure
*
*/
if ( modp->magic != MODULE_MAGIC_COOKIE_AP13
&& modp->magic != MODULE_MAGIC_COOKIE_EAPI) {
return ap_pstrcat(cmd->pool, "API module structure `", modname,
"' in file ", szModuleFile, " is garbled -"
" perhaps this is not an Apache module DSO?", NULL);
}
if (modp->magic == MODULE_MAGIC_COOKIE_AP13) {
ap_log_error(APLOG_MARK, APLOG_WARNING|APLOG_NOERRNO, NULL,
"Loaded DSO %s uses plain Apache 1.3 API, "
"this module might crash under EAPI! "
"(please recompile it with -DEAPI)", filename);
}
/*
* Add this module to the Apache core structures
*/
ap_add_loaded_module(modp);
/*
* Register a cleanup in the config pool (normally pconf). When
* we do a restart (or shutdown) this cleanup will cause the
* shared object to be unloaded.
*/
ap_register_cleanup(cmd->pool, modi,
(void (*)(void*))unload_module, ap_null_cleanup);
/*
* Finally we need to run the configuration process for the module
*/
ap_single_module_configure(cmd->pool, cmd->server, modp);
return NULL;
}
