/*
- * console.c: various interactive-prompt routines shared between
+ * wincons.c - various interactive-prompt routines shared between
* the Windows console PuTTY tools
*/
* Ask whether to wipe a session log file before writing to it.
* Returns 2 for wipe, 1 for append, 0 for cancel (don't log).
*/
-int askappend(void *frontend, Filename filename,
+int askappend(void *frontend, Filename *filename,
void (*callback)(void *ctx, int result), void *ctx)
{
HANDLE hin;
char line[32];
if (console_batch_mode) {
- fprintf(stderr, msgtemplate_batch, FILENAME_MAX, filename.path);
+ fprintf(stderr, msgtemplate_batch, FILENAME_MAX, filename->path);
fflush(stderr);
return 0;
}
- fprintf(stderr, msgtemplate, FILENAME_MAX, filename.path);
+ fprintf(stderr, msgtemplate, FILENAME_MAX, filename->path);
fflush(stderr);
hin = GetStdHandle(STD_INPUT_HANDLE);
fputs(message, stderr);
}
+/*
+ * Display the fingerprints of the PGP Master Keys to the user.
+ */
+void pgp_fingerprints(void)
+{
+ fputs("These are the fingerprints of the PuTTY PGP Master Keys. They can\n"
+ "be used to establish a trust path from this executable to another\n"
+ "one. See the manual for more information.\n"
+ "(Note: these fingerprints have nothing to do with SSH!)\n"
+ "\n"
+ "PuTTY Master Key (RSA), 1024-bit:\n"
+ " " PGP_RSA_MASTER_KEY_FP "\n"
+ "PuTTY Master Key (DSA), 1024-bit:\n"
+ " " PGP_DSA_MASTER_KEY_FP "\n", stdout);
+}
+
void console_provide_logctx(void *logctx)
{
console_logctx = logctx;
void logevent(void *frontend, const char *string)
{
- if (console_logctx)
- log_eventlog(console_logctx, string);
+ log_eventlog(console_logctx, string);
}
-int console_get_line(const char *prompt, char *str,
- int maxlen, int is_pw)
+static void console_data_untrusted(HANDLE hout, const char *data, int len)
+{
+ DWORD dummy;
+ /* FIXME: control-character filtering */
+ WriteFile(hout, data, len, &dummy, NULL);
+}
+
+int console_get_userpass_input(prompts_t *p, unsigned char *in, int inlen)
{
HANDLE hin, hout;
- DWORD savemode, newmode, i;
+ size_t curr_prompt;
- if (console_batch_mode) {
- if (maxlen > 0)
- str[0] = '\0';
- return 0;
- } else {
+ /*
+ * Zero all the results, in case we abort half-way through.
+ */
+ {
+ int i;
+ for (i = 0; i < (int)p->n_prompts; i++)
+ prompt_set_result(p->prompts[i], "");
+ }
+
+ /*
+ * The prompts_t might contain a message to be displayed but no
+ * actual prompt. More usually, though, it will contain
+ * questions that the user needs to answer, in which case we
+ * need to ensure that we're able to get the answers.
+ */
+ if (p->n_prompts) {
+ if (console_batch_mode)
+ return 0;
hin = GetStdHandle(STD_INPUT_HANDLE);
+ if (hin == INVALID_HANDLE_VALUE) {
+ fprintf(stderr, "Cannot get standard input handle\n");
+ cleanup_exit(1);
+ }
+ }
+
+ /*
+ * And if we have anything to print, we need standard output.
+ */
+ if ((p->name_reqd && p->name) || p->instruction || p->n_prompts) {
hout = GetStdHandle(STD_OUTPUT_HANDLE);
- if (hin == INVALID_HANDLE_VALUE || hout == INVALID_HANDLE_VALUE) {
- fprintf(stderr, "Cannot get standard input/output handles\n");
+ if (hout == INVALID_HANDLE_VALUE) {
+ fprintf(stderr, "Cannot get standard output handle\n");
cleanup_exit(1);
}
+ }
+
+ /*
+ * Preamble.
+ */
+ /* We only print the `name' caption if we have to... */
+ if (p->name_reqd && p->name) {
+ size_t l = strlen(p->name);
+ console_data_untrusted(hout, p->name, l);
+ if (p->name[l-1] != '\n')
+ console_data_untrusted(hout, "\n", 1);
+ }
+ /* ...but we always print any `instruction'. */
+ if (p->instruction) {
+ size_t l = strlen(p->instruction);
+ console_data_untrusted(hout, p->instruction, l);
+ if (p->instruction[l-1] != '\n')
+ console_data_untrusted(hout, "\n", 1);
+ }
+
+ for (curr_prompt = 0; curr_prompt < p->n_prompts; curr_prompt++) {
+
+ DWORD savemode, newmode;
+ int len;
+ prompt_t *pr = p->prompts[curr_prompt];
GetConsoleMode(hin, &savemode);
newmode = savemode | ENABLE_PROCESSED_INPUT | ENABLE_LINE_INPUT;
- if (is_pw)
+ if (!pr->echo)
newmode &= ~ENABLE_ECHO_INPUT;
else
newmode |= ENABLE_ECHO_INPUT;
SetConsoleMode(hin, newmode);
- WriteFile(hout, prompt, strlen(prompt), &i, NULL);
- ReadFile(hin, str, maxlen - 1, &i, NULL);
+ console_data_untrusted(hout, pr->prompt, strlen(pr->prompt));
+
+ len = 0;
+ while (1) {
+ DWORD ret = 0;
+ BOOL r;
+
+ prompt_ensure_result_size(pr, len * 5 / 4 + 512);
+
+ r = ReadFile(hin, pr->result + len, pr->resultsize - len - 1,
+ &ret, NULL);
+
+ if (!r || ret == 0) {
+ len = -1;
+ break;
+ }
+ len += ret;
+ if (pr->result[len - 1] == '\n') {
+ len--;
+ if (pr->result[len - 1] == '\r')
+ len--;
+ break;
+ }
+ }
SetConsoleMode(hin, savemode);
- if ((int) i > maxlen)
- i = maxlen - 1;
- else
- i = i - 2;
- str[i] = '\0';
+ if (!pr->echo) {
+ DWORD dummy;
+ WriteFile(hout, "\r\n", 2, &dummy, NULL);
+ }
- if (is_pw)
- WriteFile(hout, "\r\n", 2, &i, NULL);
+ if (len < 0) {
+ return 0; /* failure due to read error */
+ }
- return 1;
+ pr->result[len] = '\0';
}
+
+ return 1; /* success */
}
void frontend_keypress(void *handle)