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Support XOAUTH2 for authenticating against Gmail #15

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Support XOAUTH2 for authenticating against Gmail #15

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40 changes: 40 additions & 0 deletions php_imap.c
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Original file line number Diff line number Diff line change
Expand Up @@ -422,6 +422,19 @@ static PHP_GINIT_FUNCTION(imap)
}
/* }}} */

long auth_xoauth2_client (authchallenge_t challenger,authrespond_t responder,
char *service,NETMBX *mb,void *stream,
unsigned long *trial,char *user);

AUTHENTICATOR auth_xoauth2 = {
AU_SECURE, /* secure, has full auth, hidden */
"XOAUTH2", /* authenticator name */
NIL, /* always valid */
auth_xoauth2_client, /* client method */
NIL, /* server method */
NIL /* next authenticator */
};

/* {{{ PHP_MINIT_FUNCTION */
PHP_MINIT_FUNCTION(imap)
{
Expand Down Expand Up @@ -452,6 +465,8 @@ PHP_MINIT_FUNCTION(imap)
auth_link(&auth_pla); /* link in the plain authenticator */
#endif

auth_link(&auth_xoauth2);

#ifdef HAVE_IMAP_SSL
ssl_onceonlyinit ();
#endif
Expand Down Expand Up @@ -4812,3 +4827,28 @@ PHP_IMAP_EXPORT void mm_fatal(char *str)
{
}
/* }}} */

/* Client authenticator for XOAUTH2 */
long auth_xoauth2_client (authchallenge_t challenger,authrespond_t responder,
char *service,NETMBX *mb,void *stream,
unsigned long *trial,char *user)
{
void *challenge;
unsigned long clen;
long ret = NIL;

*trial = 65535; /* never retry */
if (challenge = (*challenger) (stream,&clen)) {
fs_give ((void **) &challenge);
/* send authorization string */
if ((*responder) (stream, strcpy(user, IMAPG(imap_user)), strlen(IMAPG(imap_user)))) {
if (challenge = (*challenger) (stream, &clen)) {
fs_give ((void **) &challenge);
} else {
ret = LONGT; /* check the authentication */
}
}
}

return ret;
}