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mod_disk_cache: Make sure that only positive integers are accepted

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for the CacheMaxFileSize and CacheMinFileSize parameters in the
config file. PR39380 [Niklas Edmundsson <nikke acc.umu.se>]


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@450042 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Graham Leggett
2006-09-26 13:29:09 +00:00
parent 63da5dac63
commit cbf599cfd7
3 changed files with 22 additions and 8 deletions
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22
modules/cache/mod_disk_cache.c vendored
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@@ -334,14 +334,14 @@ static int create_entity(cache_handle_t *h, request_rec *r, const char *key, apr
if (len > conf->maxfs) {
ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, r->server,
"disk_cache: URL %s failed the size check "
"(%" APR_OFF_T_FMT " > %" APR_SIZE_T_FMT ")",
"(%" APR_OFF_T_FMT " > %" APR_OFF_T_FMT ")",
key, len, conf->maxfs);
return DECLINED;
}
if (len >= 0 && len < conf->minfs) {
ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, r->server,
"disk_cache: URL %s failed the size check "
"(%" APR_OFF_T_FMT " < %" APR_SIZE_T_FMT ")",
"(%" APR_OFF_T_FMT " < %" APR_OFF_T_FMT ")",
key, len, conf->minfs);
return DECLINED;
}
@@ -1026,7 +1026,7 @@ static apr_status_t store_body(cache_handle_t *h, request_rec *r,
if (dobj->file_size > conf->maxfs) {
ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, r->server,
"disk_cache: URL %s failed the size check "
"(%" APR_OFF_T_FMT ">%" APR_SIZE_T_FMT ")",
"(%" APR_OFF_T_FMT ">%" APR_OFF_T_FMT ")",
h->cache_obj->key, dobj->file_size, conf->maxfs);
/* Remove the intermediate cache file and return non-APR_SUCCESS */
file_cache_errorcleanup(dobj, r);
@@ -1050,7 +1050,7 @@ static apr_status_t store_body(cache_handle_t *h, request_rec *r,
if (dobj->file_size < conf->minfs) {
ap_log_error(APLOG_MARK, APLOG_DEBUG, 0, r->server,
"disk_cache: URL %s failed the size check "
"(%" APR_OFF_T_FMT "<%" APR_SIZE_T_FMT ")",
"(%" APR_OFF_T_FMT "<%" APR_OFF_T_FMT ")",
h->cache_obj->key, dobj->file_size, conf->minfs);
/* Remove the intermediate cache file and return non-APR_SUCCESS */
file_cache_errorcleanup(dobj, r);
@@ -1137,15 +1137,25 @@ static const char
{
disk_cache_conf *conf = ap_get_module_config(parms->server->module_config,
&disk_cache_module);
conf->minfs = atoi(arg);
if (apr_strtoff(&conf->minfs, arg, NULL, 0) != APR_SUCCESS ||
conf->minfs < 0)
{
return "CacheMinFileSize argument must be a non-negative integer representing the min size of a file to cache in bytes.";
}
return NULL;
}
static const char
*set_cache_maxfs(cmd_parms *parms, void *in_struct_ptr, const char *arg)
{
disk_cache_conf *conf = ap_get_module_config(parms->server->module_config,
&disk_cache_module);
conf->maxfs = atoi(arg);
if (apr_strtoff(&conf->maxfs, arg, NULL, 0) != APR_SUCCESS ||
conf->maxfs < 0)
{
return "CacheMaxFileSize argument must be a non-negative integer representing the max size of a file to cache in bytes.";
}
return NULL;
}