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Improve exit message formatting

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This commit is contained in:
Matt Johnston
2016-07-11 23:09:33 +08:00
parent 4f5d0756c2
commit 8fd720c3e3
2 changed files with 24 additions and 21 deletions
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21
cli-main.c
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@@ -98,29 +98,30 @@ int main(int argc, char ** argv) {
#endif /* DBMULTI stuff */
static void cli_dropbear_exit(int exitcode, const char* format, va_list param) {
char exitmsg[150];
char fullmsg[300];
char fmtbuf[300];
char exitmsg[500];
/* Note that exit message must be rendered before session cleanup */
/* Render the formatted exit message */
vsnprintf(exitmsg, sizeof(exitmsg), format, param);
/* Add the prefix depending on session/auth state */
if (!sessinitdone) {
snprintf(fmtbuf, sizeof(fmtbuf), "Exited: %s",
format);
snprintf(fullmsg, sizeof(fullmsg), "Exited: %s", exitmsg);
} else {
snprintf(fmtbuf, sizeof(fmtbuf),
snprintf(fullmsg, sizeof(fullmsg),
"Connection to %s@%s:%s exited: %s",
cli_opts.username, cli_opts.remotehost,
cli_opts.remoteport, format);
cli_opts.remoteport, exitmsg);
}
/* Arguments to the exit printout may be unsafe to use after session_cleanup() */
vsnprintf(exitmsg, sizeof(exitmsg), fmtbuf, param);
/* Do the cleanup first, since then the terminal will be reset */
session_cleanup();
/* Avoid printing onwards from terminal cruft */
fprintf(stderr, "\n");
dropbear_log(LOG_INFO, "%s", exitmsg);;
dropbear_log(LOG_INFO, "%s", fullmsg);
exit(exitcode);
}