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Create settings.c and move the load/save session code out of

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windlg.c into it. Allows plink and pscp to no longer link with
windlg.c, meaning they lose some of the sillier stub functions and
also can provide a console-based form of verify_ssh_host_key().

[originally from svn r683]
This commit is contained in:
Simon Tatham
2000-10-06 13:21:36 +00:00
parent 43abfd1783
commit b584238186
7 changed files with 498 additions and 353 deletions
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79
plink.c
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@ -11,6 +11,7 @@
#define PUTTY_DO_GLOBALS /* actually _define_ globals */
#include "putty.h"
#include "storage.h"
void fatalbox (char *p, ...) {
va_list ap;
@ -35,11 +36,75 @@ void connection_fatal (char *p, ...) {
static char *password = NULL;
/*
* Stubs for linking with other modules.
*/
void write_clip (void *data, int len, int must_deselect) { }
void term_deselect(void) { }
void logevent(char *string) { }
void verify_ssh_host_key(char *host, int port, char *keytype,
char *keystr, char *fingerprint) {
int ret;
static const char absentmsg[] =
"The server's host key is not cached in the registry. You\n"
"have no guarantee that the server is the computer you\n"
"think it is.\n"
"The server's key fingerprint is:\n"
"%s\n"
"If you trust this host, enter \"y\" to add the key to\n"
"PuTTY's cache and carry on connecting.\n"
"If you do not trust this host, enter \"n\" to abandon the\n"
"connection.\n"
"Continue connecting? (y/n) ";
static const char wrongmsg[] =
"WARNING - POTENTIAL SECURITY BREACH!\n"
"The server's host key does not match the one PuTTY has\n"
"cached in the registry. This means that either the\n"
"server administrator has changed the host key, or you\n"
"have actually connected to another computer pretending\n"
"to be the server.\n"
"The new key fingerprint is:\n"
"%s\n"
"If you were expecting this change and trust the new key,\n"
"enter \"y\" to update PuTTY's cache and continue connecting.\n"
"If you want to carry on connecting but without updating\n"
"the cache, enter \"n\".\n"
"If you want to abandon the connection completely, press\n"
"Return to cancel. Pressing Return is the ONLY guaranteed\n"
"safe choice.\n"
"Update cached key? (y/n, Return cancels connection) ";
static const char abandoned[] = "Connection abandoned.\n";
char line[32];
/*
* Verify the key against the registry.
*/
ret = verify_host_key(host, port, keytype, keystr);
if (ret == 0) /* success - key matched OK */
return;
if (ret == 2) { /* key was different */
fprintf(stderr, wrongmsg, fingerprint);
if (fgets(line, sizeof(line), stdin) &&
line[0] != '\0' && line[0] != '\n') {
if (line[0] == 'y' || line[0] == 'Y')
store_host_key(host, port, keytype, keystr);
} else {
fprintf(stderr, abandoned);
exit(0);
}
}
if (ret == 1) { /* key was absent */
fprintf(stderr, absentmsg, fingerprint);
if (fgets(line, sizeof(line), stdin) &&
(line[0] == 'y' || line[0] == 'Y'))
store_host_key(host, port, keytype, keystr);
else {
fprintf(stderr, abandoned);
exit(0);
}
}
}
HANDLE outhandle;
DWORD orig_console_mode;
@ -162,7 +227,7 @@ int main(int argc, char **argv) {
/*
* Process the command line.
*/
do_defaults(NULL);
do_defaults(NULL, &cfg);
default_protocol = cfg.protocol;
default_port = cfg.port;
{
@ -270,7 +335,7 @@ int main(int argc, char **argv) {
/*
* One string.
*/
do_defaults (p);
do_defaults (p, &cfg);
if (cfg.host[0] == '\0') {
/* No settings for this host; use defaults */
strncpy(cfg.host, p, sizeof(cfg.host)-1);