ssl_ds_table *ssl_ds_table_make(pool *p, int size)
{
ssl_ds_table *t;
if ((t = (ssl_ds_table *)ap_palloc(p, sizeof(ssl_ds_table))) == NULL)
return NULL;
t->pPool = p;
if ((t->pSubPool = ap_make_sub_pool(p)) == NULL)
return NULL;
t->aKey = ap_make_array(t->pSubPool, 2, MAX_STRING_LEN);
t->aData = ap_make_array(t->pSubPool, 2, size);
return t;
}
static void *create_access_dir_config(pool *p, char *dummy)
{
access_dir_conf *conf =
(access_dir_conf *) ap_pcalloc(p, sizeof(access_dir_conf));
int i;
for (i = 0; i < METHODS; ++i)
conf->order[i] = DENY_THEN_ALLOW;
conf->allows = ap_make_array(p, 1, sizeof(allowdeny));
conf->denys = ap_make_array(p, 1, sizeof(allowdeny));
return (void *) conf;
}
array_header *ApacheRequest_params(ApacheRequest *req, const char *key)
{
array_header *values = ap_make_array(req->r->pool, 4, sizeof(char *));
ApacheRequest_parse(req);
ap_table_do(make_params, (void*)values, req->parms, key, NULL);
return values;
}
/**
* 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;
}
static void *create_info_config(pool *p, server_rec *s)
{
info_svr_conf *conf = (info_svr_conf *) ap_pcalloc(p, sizeof(info_svr_conf));
conf->more_info = ap_make_array(p, 20, sizeof(info_entry));
return conf;
}
/* ====================================================================
* 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;
}
/**
* 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 void *so_sconf_create(pool *p, server_rec *s)
{
so_server_conf *soc;
soc = (so_server_conf *)ap_pcalloc(p, sizeof(so_server_conf));
soc->loaded_modules = ap_make_array(p, DYNAMIC_MODULE_LIMIT,
sizeof(moduleinfo));
ap_os_dso_init();
return (void *)soc;
}
ssl_ds_array *ssl_ds_array_make(pool *p, int size)
{
ssl_ds_array *a;
if ((a = (ssl_ds_array *)ap_palloc(p, sizeof(ssl_ds_array))) == NULL)
return NULL;
a->pPool = p;
if ((a->pSubPool = ap_make_sub_pool(p)) == NULL)
return NULL;
a->aData = ap_make_array(a->pSubPool, 2, size);
return a;
}
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 : "\"\"";
}
static void *make_config_log_state(pool *p, server_rec *s)
{
multi_log_state *mls;
mls = (multi_log_state *) ap_palloc(p, sizeof(multi_log_state));
mls->config_logs = ap_make_array(p, 1, sizeof(config_log_state));
mls->default_format_string = NULL;
mls->default_format = NULL;
mls->server_config_logs = NULL;
mls->formats = ap_make_table(p, 4);
ap_table_setn(mls->formats, "CLF", DEFAULT_LOG_FORMAT);
return mls;
}
void ssl_config_global_create(void)
{
pool *pPool;
SSLModConfigRec *mc;
mc = ap_ctx_get(ap_global_ctx, "ssl_module");
if (mc == NULL) {
/*
* allocate an own subpool which survives server restarts
*/
pPool = ap_make_sub_pool(NULL);
mc = (SSLModConfigRec *)ap_palloc(pPool, sizeof(SSLModConfigRec));
mc->pPool = pPool;
mc->bFixed = FALSE;
/*
* initialize per-module configuration
*/
mc->nInitCount = 0;
mc->nSessionCacheMode = SSL_SCMODE_UNSET;
mc->szSessionCacheDataFile = NULL;
mc->nSessionCacheDataSize = 0;
mc->pSessionCacheDataMM = NULL;
mc->tSessionCacheDataTable = NULL;
mc->nMutexMode = SSL_MUTEXMODE_UNSET;
mc->szMutexFile = NULL;
mc->nMutexFD = -1;
mc->nMutexSEMID = -1;
mc->aRandSeed = ap_make_array(pPool, 4, sizeof(ssl_randseed_t));
mc->tPrivateKey = ssl_ds_table_make(pPool, sizeof(ssl_asn1_t));
mc->tPublicCert = ssl_ds_table_make(pPool, sizeof(ssl_asn1_t));
mc->tTmpKeys = ssl_ds_table_make(pPool, sizeof(ssl_asn1_t));
#ifdef SSL_EXPERIMENTAL_ENGINE
mc->szCryptoDevice = NULL;
#endif
(void)memset(mc->pTmpKeys, 0, SSL_TKPIDX_MAX*sizeof(void *));
#ifdef SSL_VENDOR
mc->ctx = ap_ctx_new(pPool);
ap_hook_use("ap::mod_ssl::vendor::config_global_create",
AP_HOOK_SIG2(void,ptr), AP_HOOK_MODE_ALL, mc);
#endif
/*
* And push it into Apache's global context
*/
ap_ctx_set(ap_global_ctx, "ssl_module", mc);
}
/**
* Setup server-level module internal data strcuture.
*/
static void *
server_setup(pool *p, server_rec *s) {
encoding_config *conf;
DBG(fprintf(stderr, "server_setup: entered\n"));
conf = (encoding_config *)ap_pcalloc(p, sizeof(encoding_config));
conf->enable_function = ENABLE_FLAG_UNSET;
conf->server_encoding = NULL;
conf->client_encoding = ap_make_array(p, 2, sizeof(void *));
conf->default_encoding = NULL;
conf->strip_msaccount = STRIP_FLAG_UNSET;
return conf;
}
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;
}
/**
* 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 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 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;
}
