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Revamp interface to verify_ssh_host_key() and askalg(). Each of them

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now returns an integer: 0 means cancel the SSH connection and 1
means continue with it. Additionally, they can return -1, which
means `front end has set an asynchronous alert box in motion, please
wait to be called back with the result', and each one is passed a
callback function pointer and context for this purpose.

I have not yet done the same to askappend() yet, because it will
take a certain amount of reorganisation of logging.c.

Importantly, this checkin means the host key dialog box now works on
OS X.

[originally from svn r5330]
This commit is contained in:
Simon Tatham
2005-02-17 18:34:24 +00:00
parent 92ccb964a2
commit 8574822b9b
11 changed files with 456 additions and 140 deletions
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23
putty.h
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@ -896,9 +896,26 @@ int wc_unescape(char *output, const char *wildcard);
* Exports from windlg.c
*/
void logevent(void *frontend, const char *);
void verify_ssh_host_key(void *frontend, char *host, int port, char *keytype,
char *keystr, char *fingerprint);
void askalg(void *frontend, const char *algtype, const char *algname);
/*
* verify_ssh_host_key() can return one of three values:
*
* - +1 means `key was OK' (either already known or the user just
* approved it) `so continue with the connection'
*
* - 0 means `key was not OK, abandon the connection'
*
* - -1 means `I've initiated enquiries, please wait to be called
* back via the provided function with a result that's either 0
* or +1'.
*/
int verify_ssh_host_key(void *frontend, char *host, int port, char *keytype,
char *keystr, char *fingerprint,
void (*callback)(void *ctx, int result), void *ctx);
/*
* askalg has the same set of return values as verify_ssh_host_key.
*/
int askalg(void *frontend, const char *algtype, const char *algname,
void (*callback)(void *ctx, int result), void *ctx);
int askappend(void *frontend, Filename filename);
/*