#include "putty.h"
/* log session to file stuff ... */
-static FILE *lgfp = NULL;
-static char currlogfilename[FILENAME_MAX];
+struct LogContext {
+ FILE *lgfp;
+ char currlogfilename[FILENAME_MAX];
+ void *frontend;
+};
static void xlatlognam(char *d, char *s, char *hostname, struct tm *tm);
/*
* Log session traffic.
*/
-void logtraffic(unsigned char c, int logmode)
+void logtraffic(void *handle, unsigned char c, int logmode)
{
+ struct LogContext *ctx = (struct LogContext *)handle;
if (cfg.logtype > 0) {
if (cfg.logtype == logmode) {
/* deferred open file from pgm start? */
- if (!lgfp)
- logfopen();
- if (lgfp)
- fputc(c, lgfp);
+ if (!ctx->lgfp)
+ logfopen(ctx);
+ if (ctx->lgfp)
+ fputc(c, ctx->lgfp);
}
}
}
/*
* Log an Event Log entry (used in SSH packet logging mode).
*/
-void log_eventlog(char *event)
+void log_eventlog(void *handle, char *event)
{
+ struct LogContext *ctx = (struct LogContext *)handle;
if (cfg.logtype != LGTYP_PACKETS)
return;
- if (!lgfp)
- logfopen();
- if (lgfp)
- fprintf(lgfp, "Event Log: %s\n", event);
+ if (!ctx->lgfp)
+ logfopen(ctx);
+ if (ctx->lgfp)
+ fprintf(ctx->lgfp, "Event Log: %s\n", event);
}
/*
* Log an SSH packet.
*/
-void log_packet(int direction, int type, char *texttype, void *data, int len)
+void log_packet(void *handle, int direction, int type,
+ char *texttype, void *data, int len)
{
+ struct LogContext *ctx = (struct LogContext *)handle;
int i, j;
char dumpdata[80], smalldata[5];
if (cfg.logtype != LGTYP_PACKETS)
return;
- if (!lgfp)
- logfopen();
- if (lgfp) {
- fprintf(lgfp, "%s packet type %d / 0x%02x (%s)\n",
+ if (!ctx->lgfp)
+ logfopen(ctx);
+ if (ctx->lgfp) {
+ fprintf(ctx->lgfp, "%s packet type %d / 0x%02x (%s)\n",
direction == PKT_INCOMING ? "Incoming" : "Outgoing",
type, type, texttype);
for (i = 0; i < len; i += 16) {
dumpdata[10+1+3*16+2+j] = (isprint(c) ? c : '.');
}
strcpy(dumpdata + 10+1+3*16+2+j, "\n");
- fputs(dumpdata, lgfp);
+ fputs(dumpdata, ctx->lgfp);
}
- fflush(lgfp);
+ fflush(ctx->lgfp);
}
}
/* open log file append/overwrite mode */
-void logfopen(void)
+void logfopen(void *handle)
{
+ struct LogContext *ctx = (struct LogContext *)handle;
char buf[256];
time_t t;
struct tm tm;
char writemod[4];
/* Prevent repeat calls */
- if (lgfp)
+ if (ctx->lgfp)
return;
if (!cfg.logtype)
tm = *localtime(&t);
/* substitute special codes in file name */
- xlatlognam(currlogfilename,cfg.logfilename,cfg.host, &tm);
+ xlatlognam(ctx->currlogfilename, cfg.logfilename,cfg.host, &tm);
- lgfp = fopen(currlogfilename, "r"); /* file already present? */
- if (lgfp) {
+ ctx->lgfp = fopen(ctx->currlogfilename, "r"); /* file already present? */
+ if (ctx->lgfp) {
int i;
- fclose(lgfp);
- i = askappend(currlogfilename);
+ fclose(ctx->lgfp);
+ i = askappend(ctx->frontend, ctx->currlogfilename);
if (i == 1)
writemod[0] = 'a'; /* set append mode */
else if (i == 0) { /* cancelled */
- lgfp = NULL;
+ ctx->lgfp = NULL;
cfg.logtype = 0; /* disable logging */
return;
}
}
- lgfp = fopen(currlogfilename, writemod);
- if (lgfp) { /* enter into event log */
+ ctx->lgfp = fopen(ctx->currlogfilename, writemod);
+ if (ctx->lgfp) { /* enter into event log */
/* --- write header line into log file */
- fputs("=~=~=~=~=~=~=~=~=~=~=~= PuTTY log ", lgfp);
+ fputs("=~=~=~=~=~=~=~=~=~=~=~= PuTTY log ", ctx->lgfp);
strftime(buf, 24, "%Y.%m.%d %H:%M:%S", &tm);
- fputs(buf, lgfp);
- fputs(" =~=~=~=~=~=~=~=~=~=~=~=\r\n", lgfp);
+ fputs(buf, ctx->lgfp);
+ fputs(" =~=~=~=~=~=~=~=~=~=~=~=\r\n", ctx->lgfp);
sprintf(buf, "%s session log (%s mode) to file: ",
(writemod[0] == 'a') ? "Appending" : "Writing new",
cfg.logtype == LGTYP_DEBUG ? "raw" :
cfg.logtype == LGTYP_PACKETS ? "SSH packets" : "<ukwn>"));
/* Make sure we do not exceed the output buffer size */
- strncat(buf, currlogfilename, 128);
+ strncat(buf, ctx->currlogfilename, 128);
buf[strlen(buf)] = '\0';
- logevent(buf);
+ logevent(ctx->frontend, buf);
}
}
-void logfclose(void)
+void logfclose(void *handle)
{
- if (lgfp) {
- fclose(lgfp);
- lgfp = NULL;
+ struct LogContext *ctx = (struct LogContext *)handle;
+ if (ctx->lgfp) {
+ fclose(ctx->lgfp);
+ ctx->lgfp = NULL;
}
}
+void *log_init(void *frontend)
+{
+ struct LogContext *ctx = smalloc(sizeof(struct LogContext));
+ ctx->lgfp = NULL;
+ ctx->frontend = frontend;
+ return ctx;
+}
+
/*
* translate format codes into time/date strings
* and insert them into log file name