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sslkeylogfile:kept seperate function for sniffing

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AD001\z0048zxj 2024-11-12 10:28:45 +05:30
parent 72608b5da3
commit d07332f730
1 changed files with 38 additions and 28 deletions
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66
lib/core-net/close.c
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@ -25,10 +25,10 @@
#include "private-lib-core.h"
#include "private-lib-async-dns.h"
// structure for user info
typedef struct VhostUsrInfo {
void *usr_ctx;
} VhostUsrInfo;
// structure for user input flag
typedef struct lws_usrdata {
void *fSniffingFlag;
}lws_usrdata;
// to store key log file path
char *klfl_env = NULL;
@ -1045,6 +1045,38 @@ __lws_close_free_wsi_final(struct lws *wsi)
__lws_free_wsi(wsi);
}
void lws_set_keylog_file(struct lws *wsi)
{
struct lws_vhost *pVhost = NULL;
lws_usrdata *pUsrInfo = NULL;
pVhost = lws_get_vhost(wsi);
if(pVhost){
pUsrInfo = (lws_usrdata *)lws_vhost_user(pVhost);
/* extract the flag from user input to determine whether to start or stop sniffing. */
bool fSetSniffingFlag = *((bool *)pUsrInfo->fSniffingFlag);
/* to start logging SSL keys, the user must set this flag to true. If the flag is set
and klfl_env is empty, getenv will be called once to retrieve the log file path*/
if(fSetSniffingFlag){
/* call getenv only once if klfl_env is empty */
if (klfl_env == NULL || *klfl_env == '\0'){
klfl_env = getenv("SSLKEYLOGFILE");
}
/* to begin logging SSL keys, the key log file will be set in lws_context */
if (klfl_env)
lws_strncpy(wsi->a.context->keylog_file, klfl_env,
sizeof(wsi->a.context->keylog_file));
}
/* to stop sniffing, reset both keylog_file and klfl_en */
else{
klfl_env = NULL;
wsi->a.context->keylog_file[0] = '\0';
}
}
}
void
lws_close_free_wsi(struct lws *wsi, enum lws_close_status reason, const char *caller)
@ -1052,31 +1084,9 @@ lws_close_free_wsi(struct lws *wsi, enum lws_close_status reason, const char *ca
struct lws_context *cx = wsi->a.context;
struct lws_context_per_thread *pt = &wsi->a.context->pt[(int)wsi->tsi];
struct lws_vhost *pVhost;
VhostUsrInfo *pUsrInfo;
/* To get user data from usr_ctx to logg ssl keys without restart application */
pVhost = lws_get_vhost(wsi);
if(pVhost){
pUsrInfo = (VhostUsrInfo *)lws_vhost_user(pVhost);
bool fStartStopSniffig = *((bool *)pUsrInfo->usr_ctx);
/* User input boolean flag to start or stop logging SSL keys */
if(fStartStopSniffig)
{
if (klfl_env == NULL || *klfl_env == '\0'){
klfl_env = getenv("SSLKEYLOGFILE");
}
/* Fill key log file in lws_context */
if (klfl_env)
lws_strncpy(wsi->a.context->keylog_file, klfl_env,
sizeof(wsi->a.context->keylog_file));
}
else{
klfl_env = NULL;
wsi->a.context->keylog_file[0] = '\0';
}
}
/* if the user sets the sniffing flag, populate the key log file */
lws_set_keylog_file(wsi);
lws_context_lock(cx, __func__);