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[mod_magnet] detect MAGNET_RESTART_REQUEST loops 

throw error after 9 MAGNET_RESTART_REQUEST loops
personal/stbuehler/tests-path
Glenn Strauss 2021-08-17 19:51:37 -04:00
parent e7290fad9a
commit 3a8b965438
1 changed files with 18 additions and 0 deletions
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18
src/mod_magnet.c
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@ -2392,7 +2392,25 @@ static handler_t magnet_attract(request_st * const r, plugin_data * const p, scr
? HANDLER_GO_ON
: HANDLER_ERROR;
} else if (MAGNET_RESTART_REQUEST == lua_return_value) {
/*(could detect restart loops in same way as is done in mod_rewrite,
* but using r->env means that we do not need to reset plugin state
* at end of every request, as is done in mod_rewrite. mod_rewrite
* always restarts the request processing (if request is rewritten),
* whereas mod_magnet can be used in many other ways)*/
buffer *vb =
http_header_env_get(r, CONST_STR_LEN("_L_MAGNET_RESTART"));
if (NULL == vb) {
vb =
http_header_env_set_ptr(r,CONST_STR_LEN("_L_MAGNET_RESTART"));
buffer_append_string_len(vb, "0", 1);
}
result = HANDLER_COMEBACK;
if (++*vb->ptr-'0' >= 10) {
log_error(r->conf.errh, __FILE__, __LINE__,
"too many request restarts (infinite loop?) for %s",
sc->name.ptr);
result = HANDLER_ERROR;
}
}
magnet_reset_lighty_table(L);