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Apply `getservbyname' to the Port Number field in case it's

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non-numeric. Patch due to Christian Biesinger.

[originally from svn r839]
This commit is contained in:
Simon Tatham 2001-01-07 15:12:20 +00:00
parent a24c502f4f
commit 5a908bb1d7
2 changed files with 20 additions and 2 deletions
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12
windlg.c
View File

@ -598,6 +598,8 @@ static int GenericMainDlgProc (HWND hwnd, UINT msg,
CHOOSEFONT cf; CHOOSEFONT cf;
LOGFONT lf; LOGFONT lf;
char fontstatic[256]; char fontstatic[256];
char portname[32];
struct servent * service;
int i; int i;
switch (msg) { switch (msg) {
@ -1105,8 +1107,16 @@ static int GenericMainDlgProc (HWND hwnd, UINT msg,
sizeof(cfg.host)-1); sizeof(cfg.host)-1);
break; break;
case IDC_PORT: case IDC_PORT:
if (HIWORD(wParam) == EN_CHANGE) if (HIWORD(wParam) == EN_CHANGE) {
GetDlgItemText (hwnd, IDC_PORT, portname, 31);
if (isdigit(portname[0]))
MyGetDlgItemInt (hwnd, IDC_PORT, &cfg.port); MyGetDlgItemInt (hwnd, IDC_PORT, &cfg.port);
else {
service = getservbyname(portname, NULL);
if (service) cfg.port = ntohs(service->s_port);
else cfg.port = 0;
}
}
break; break;
case IDC_SESSEDIT: case IDC_SESSEDIT:
if (HIWORD(wParam) == EN_CHANGE) { if (HIWORD(wParam) == EN_CHANGE) {

8
window.c
View File

@ -314,6 +314,14 @@ int WINAPI WinMain(HINSTANCE inst, HINSTANCE prev, LPSTR cmdline, int show) {
} }
} }
/* Check for invalid Port number (i.e. zero) */
if (cfg.port == 0) {
MessageBox(NULL, "Invalid Port Number",
"PuTTY Internal Error", MB_OK |MB_ICONEXCLAMATION);
WSACleanup();
return 1;
}
real_ldisc = (cfg.ldisc_term ? &ldisc_term : &ldisc_simple); real_ldisc = (cfg.ldisc_term ? &ldisc_term : &ldisc_simple);
/* To start with, we use the simple line discipline, so we can /* To start with, we use the simple line discipline, so we can
* type passwords etc without fear of them being echoed... */ * type passwords etc without fear of them being echoed... */