/*
* Dolda Connect - Modular multiuser Direct Connect-style client
- * Copyright (C) 2004 Fredrik Tolf (fredrik@dolda2000.com)
+ * Copyright (C) 2004 Fredrik Tolf <fredrik@dolda2000.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
*/
#include <unistd.h>
+#include <stdlib.h>
/* I'm very unsure about this, but for now it defines wcstoll (which
* should be defined anyway) and doesn't break anything... let's keep
* two eyes wide open, though. */
#include <wctype.h>
#include <pwd.h>
#include <string.h>
-#include <malloc.h>
#include <stdio.h>
+#include <sys/poll.h>
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <doldaconnect/uilib.h>
#include <doldaconnect/uimisc.h>
-#include <doldaconnect/utils.h>
+#include <utils.h>
#ifdef HAVE_KRB5
#include <krb5.h>
struct authmech *mech;
};
+struct synclogindata
+{
+ int aborted;
+ int err;
+ wchar_t *reason;
+};
+
struct gencbdata
{
void (*callback)(int resp, void *data);
struct dc_fnetnode *dc_fnetnodes = NULL;
struct dc_transfer *dc_transfers = NULL;
+static void message(int bits, char *format, ...)
+{
+ static int hb = -1;
+ char *v;
+ va_list args;
+
+ if(hb == -1)
+ {
+ hb = 0;
+ if((v = getenv("LIBDCUI_MSG")) != NULL)
+ hb = strtol(v, NULL, 0) & 65535;
+ }
+ if(hb & bits)
+ {
+ va_start(args, format);
+ vfprintf(stderr, format, args);
+ va_end(args);
+ }
+}
+
static void freelogindata(struct logindata *data)
{
if((data->mech != NULL) && (data->mech->release != NULL))
data->callback(DC_LOGIN_ERR_CONV, NULL, data->data);
freelogindata(data);
} else {
- dc_queuecmd(logincallback, data, L"pass", L"%%s", buf, NULL);
+ dc_queuecmd(logincallback, data, L"pass", L"%s", buf, NULL);
}
if(buf != NULL)
{
int valid, fwd, fwded;
};
-static char *hexencode(char *data, size_t datalen)
-{
- char *buf, this;
- size_t bufsize, bufdata;
- int dig;
-
- buf = NULL;
- bufsize = bufdata = 0;
- for(; datalen > 0; datalen--, data++)
- {
- dig = (*data & 0xF0) >> 4;
- if(dig > 9)
- this = 'A' + dig - 10;
- else
- this = dig + '0';
- addtobuf(buf, this);
- dig = *data & 0x0F;
- if(dig > 9)
- this = 'A' + dig - 10;
- else
- this = dig + '0';
- addtobuf(buf, this);
- }
- addtobuf(buf, 0);
- return(buf);
-}
-
-static char *hexdecode(char *data, size_t *len)
-{
- char *buf, this;
- size_t bufsize, bufdata;
-
- buf = NULL;
- bufsize = bufdata = 0;
- for(; *data; data++)
- {
- if((*data >= 'A') && (*data <= 'F'))
- {
- this = (this & 0x0F) | ((*data - 'A' + 10) << 4);
- } else if((*data >= '0') && (*data <= '9')) {
- this = (this & 0x0F) | ((*data - '0') << 4);
- } else {
- if(buf != NULL)
- free(buf);
- return(NULL);
- }
- data++;
- if(!*data)
- {
- if(buf != NULL)
- free(buf);
- return(NULL);
- }
- if((*data >= 'A') && (*data <= 'F'))
- {
- this = (this & 0xF0) | (*data - 'A' + 10);
- } else if((*data >= '0') && (*data <= '9')) {
- this = (this & 0xF0) | (*data - '0');
- } else {
- if(buf != NULL)
- free(buf);
- return(NULL);
- }
- addtobuf(buf, this);
- }
- addtobuf(buf, 0);
- if(len != NULL)
- *len = bufdata - 1;
- return(buf);
-}
-
static void process_krb5(struct dc_response *resp, struct logindata *data)
{
int ret;
{
case 0:
buf = hexencode(krb->reqbuf.data, krb->reqbuf.length);
- dc_queuecmd(logincallback, data, L"pass", L"%%s", buf, NULL);
+ dc_queuecmd(logincallback, data, L"pass", L"%s", buf, NULL);
free(buf);
krb->state = 1;
break;
krb->reqbuf.data = NULL;
if((ret = krb5_fwd_tgt_creds(krb->context, krb->authcon, NULL, krb->servcreds->client, krb->servcreds->server, 0, 1, &krb->reqbuf)) != 0)
{
- fprintf(stderr, "krb5_fwd_tgt_creds reported an error: %s\n", error_message(ret));
+ message(1, "krb5_fwd_tgt_creds reported an error: %s\n", error_message(ret));
dc_queuecmd(logincallback, data, L"pass", L"31", NULL);
krb->fwd = 0;
krb->state = 2;
krb5_data cksum;
krb5_creds creds;
+ if(dc_gethostname() == NULL)
+ {
+ message(1, "cannot use krb5 without a host name\n");
+ return(1);
+ }
krb = smalloc(sizeof(*krb));
memset(krb, 0, sizeof(*krb));
krb->fwd = 1;
data->mechdata = krb;
if((ret = krb5_init_context(&krb->context)) != 0)
{
- fprintf(stderr, "krb5_init_context reported an error: %s\n", error_message(ret));
+ message(1, "krb5_init_context reported an error: %s\n", error_message(ret));
return(1);
}
if((ret = krb5_auth_con_init(krb->context, &krb->authcon)) != 0)
{
- fprintf(stderr, "krb5_auth_con_init reported an error: %s\n", error_message(ret));
+ message(1, "krb5_auth_con_init reported an error: %s\n", error_message(ret));
return(1);
}
krb5_auth_con_setflags(krb->context, krb->authcon, KRB5_AUTH_CONTEXT_DO_SEQUENCE);
if((ret = krb5_sname_to_principal(krb->context, dc_gethostname(), "doldacond", KRB5_NT_SRV_HST, &krb->sprinc)) != 0)
{
- fprintf(stderr, "krb5_sname_to_principal reported an error: %s\n", error_message(ret));
+ message(1, "krb5_sname_to_principal reported an error: %s\n", error_message(ret));
return(1);
}
if((ret = krb5_cc_default(krb->context, &krb->ccache)) != 0)
{
- fprintf(stderr, "krb5_cc_default reported an error: %s\n", error_message(ret));
+ message(1, "krb5_cc_default reported an error: %s\n", error_message(ret));
return(1);
}
if((ret = krb5_cc_get_principal(krb->context, krb->ccache, &krb->myprinc)) != 0)
{
- fprintf(stderr, "krb5_cc_default reported an error: %s\n", error_message(ret));
+ message(1, "krb5_cc_default reported an error: %s\n", error_message(ret));
return(1);
}
memset(&creds, 0, sizeof(creds));
creds.server = krb->sprinc;
if((ret = krb5_get_credentials(krb->context, 0, krb->ccache, &creds, &krb->servcreds)) != 0)
{
- fprintf(stderr, "krb5_get_credentials reported an error: %s\n", error_message(ret));
+ message(1, "krb5_get_credentials reported an error: %s\n", error_message(ret));
return(1);
}
/* WTF is this checksum stuff?! The Krb docs don't say a word about it! */
cksum.length = strlen(cksum.data);
if((ret = krb5_mk_req_extended(krb->context, &krb->authcon, AP_OPTS_MUTUAL_REQUIRED, &cksum, krb->servcreds, &krb->reqbuf)) != 0)
{
- fprintf(stderr, "krb5_mk_req_extended reported an error: %s\n", error_message(ret));
+ message(1, "krb5_mk_req_extended reported an error: %s\n", error_message(ret));
return(1);
}
free(cksum.data);
},
#endif
{
+ .name = L"unix",
+ .process = process_authless,
+ .init = NULL,
+ .release = NULL
+ },
+ {
.name = L"authless",
.process = process_authless,
.init = NULL,
}
};
-static int builtinconv(int type, wchar_t *text, char **resp, void *data)
+int dc_convtty(int type, wchar_t *text, char **resp, void *data)
{
char *buf, *pass;
return(1);
}
+int dc_convnone(int type, wchar_t *text, char **resp, void *data)
+{
+ return(1);
+}
+
static int logincallback(struct dc_response *resp)
{
int i;
{
odata = data->mechdata;
data->mechdata = NULL;
+ message(4, "trying auth mech %ls\n", authmechs[i].name);
if((authmechs[i].init != NULL) && authmechs[i].init(data))
{
if(authmechs[i].release != NULL)
authmechs[i].release(data);
data->mechdata = odata;
- fprintf(stderr, "authentication mechanism %ls failed, trying further...\n", authmechs[i].name);
+ message(2, "authentication mechanism %ls failed, trying further...\n", authmechs[i].name);
} else {
if((data->mech != NULL) && data->mech->release != NULL)
{
}
username = pwent->pw_name;
}
- dc_queuecmd(logincallback, data, L"login", data->mech->name, L"%%s", username, NULL);
+ dc_queuecmd(logincallback, data, L"login", data->mech->name, L"%s", username, NULL);
}
}
} else if(!wcscmp(resp->cmdname, L"login") || !wcscmp(resp->cmdname, L"pass")) {
data = smalloc(sizeof(*data));
if(conv == NULL)
- conv = builtinconv;
+ conv = dc_convtty;
data->conv = conv;
data->mech = NULL;
data->data = udata;
dc_queuecmd(logincallback, data, L"lsauth", NULL);
}
+static void synclogincb(int err, wchar_t *reason, struct synclogindata *data)
+{
+ if(data->aborted)
+ {
+ free(data);
+ return;
+ }
+ data->err = err;
+ if(reason == NULL)
+ data->reason = NULL;
+ else
+ data->reason = swcsdup(reason);
+}
+
+int dc_login(char *username, int useauthless, int (*conv)(int, wchar_t *, char **, void *), wchar_t **reason)
+{
+ int ret, abort;
+ struct synclogindata *dbuf;
+ struct pollfd pfd;
+
+ dbuf = smalloc(sizeof(*dbuf));
+ memset(dbuf, 0, sizeof(*dbuf));
+ dbuf->err = -1;
+ dc_loginasync(username, useauthless, conv, (void (*)(int, wchar_t *, void *))synclogincb, dbuf);
+ while(dbuf->err == -1)
+ {
+ pfd.fd = dc_getfd();
+ pfd.events = POLLIN;
+ if(dc_wantwrite())
+ pfd.events |= POLLOUT;
+ abort = 0;
+ if(poll(&pfd, 1, -1) < 0)
+ abort = 1;
+ if(!abort && (pfd.revents & POLLIN) && dc_handleread())
+ abort = 1;
+ if(!abort && (pfd.revents & POLLOUT) && dc_handlewrite())
+ abort = 1;
+ if(abort)
+ {
+ dbuf->aborted = 1;
+ return(-1);
+ }
+ }
+ if(reason != NULL)
+ *reason = dbuf->reason;
+ else if(dbuf->reason != NULL)
+ free(dbuf->reason);
+ ret = dbuf->err;
+ free(dbuf);
+ return(ret);
+}
+
static struct dc_fnetpeerdatum *finddatum(struct dc_fnetnode *fn, wchar_t *id)
{
struct dc_fnetpeerdatum *datum;
free(peer->di[i].d.str);
putdatum(peer->fn, peer->di[i].datum);
}
+ free(peer->di);
free(peer);
}
return(1);
}
+static int sortlist1(const struct dc_respline *l1, const struct dc_respline *l2)
+{
+ return(wcscmp(l1->argv[1], l2->argv[1]));
+}
+
+static int sortlist2(const struct dc_fnetpeer **p1, const struct dc_fnetpeer **p2)
+{
+ return(wcscmp((*p1)->id, (*p2)->id));
+}
+
+static void fillpeer(struct dc_fnetpeer *peer, struct dc_respline *r)
+{
+ int i;
+ struct dc_fnetpeerdatum *datum;
+
+ for(i = 3; i < r->argc; i += 2)
+ {
+ if((datum = finddatum(peer->fn, r->argv[i])) != NULL)
+ {
+ switch(datum->dt)
+ {
+ case DC_FNPD_INT:
+ peersetnum(peer, datum->id, wcstol(r->argv[i + 1], NULL, 10));
+ break;
+ case DC_FNPD_LL:
+ peersetlnum(peer, datum->id, wcstoll(r->argv[i + 1], NULL, 10));
+ break;
+ case DC_FNPD_STR:
+ peersetstr(peer, datum->id, r->argv[i + 1]);
+ break;
+ }
+ }
+ }
+}
+
static int getpeerlistcallback(struct dc_response *resp)
{
- int i, o;
+ int i, o, c;
struct dc_fnetnode *fn;
struct fnetcbdata *data;
- struct dc_fnetpeer *peer, *next;
- struct dc_fnetpeerdatum *datum;
+ struct dc_fnetpeer *peer;
+ struct dc_fnetpeer **plist;
+ size_t plistsize, plistdata;
data = resp->data;
if((fn = dc_findfnetnode(data->fnid)) == NULL)
}
if(resp->code == 200)
{
- for(peer = fn->peers; peer != NULL; peer = peer->next)
- peer->found = 0;
- for(i = 0; i < resp->numlines; i++)
+ qsort(resp->rlines, resp->numlines, sizeof(*resp->rlines), (int (*)(const void *, const void *))sortlist1);
+ plist = NULL;
+ plistsize = plistdata = 0;
+ for(i = 0, peer = fn->peers; peer != NULL; peer = peer->next)
+ addtobuf(plist, peer);
+ qsort(plist, plistdata, sizeof(*plist), (int (*)(const void *, const void *))sortlist2);
+ i = o = 0;
+ while(1)
{
- if((peer = dc_fnetfindpeer(fn, resp->rlines[i].argv[1])) == NULL)
- peer = addpeer(fn, resp->rlines[i].argv[1], resp->rlines[i].argv[2]);
- peer->found = 1;
- for(o = 3; o < resp->rlines[i].argc; o += 2)
+ if((i < resp->numlines) && (o < plistdata))
{
- if((datum = finddatum(fn, resp->rlines[i].argv[o])) != NULL)
+ c = wcscmp(resp->rlines[i].argv[1], plist[o]->id);
+ if(c < 0)
{
- switch(datum->dt)
- {
- case DC_FNPD_INT:
- peersetnum(peer, datum->id, wcstol(resp->rlines[i].argv[o + 1], NULL, 10));
- break;
- case DC_FNPD_LL:
- peersetlnum(peer, datum->id, wcstoll(resp->rlines[i].argv[o + 1], NULL, 10));
- break;
- case DC_FNPD_STR:
- peersetstr(peer, datum->id, resp->rlines[i].argv[o + 1]);
- break;
- }
+ peer = addpeer(fn, resp->rlines[i].argv[1], resp->rlines[i].argv[2]);
+ fillpeer(peer, resp->rlines + i);
+ i++;
+ } else if(c > 0) {
+ delpeer(plist[o]);
+ o++;
+ } else {
+ fillpeer(plist[o], resp->rlines + i);
+ i++;
+ o++;
}
+ } else if(i < resp->numlines) {
+ peer = addpeer(fn, resp->rlines[i].argv[1], resp->rlines[i].argv[2]);
+ fillpeer(peer, resp->rlines + i);
+ i++;
+ } else if(o < plistdata) {
+ delpeer(plist[o]);
+ o++;
+ } else {
+ break;
}
}
- for(peer = fn->peers; peer != NULL; peer = next)
- {
- next = peer->next;
- if(!peer->found)
- delpeer(peer);
- }
+ free(plist);
} else if(resp->code == 201) {
while(fn->peers != NULL)
delpeer(fn->peers);
adddatum(fn, ires->argv[0].val.str, ires->argv[1].val.num);
dc_freeires(ires);
}
- dc_queuecmd(getpeerlistcallback, data, L"lspeers", L"%%i", fn->id, NULL);
+ dc_queuecmd(getpeerlistcallback, data, L"lspeers", L"%i", fn->id, NULL);
} else if(resp->code == 201) {
- dc_queuecmd(getpeerlistcallback, data, L"lspeers", L"%%i", fn->id, NULL);
+ dc_queuecmd(getpeerlistcallback, data, L"lspeers", L"%i", fn->id, NULL);
} else {
data->callback(fn, resp->code, data->data);
free(data);
data->callback = callback;
data->fnid = fn->id;
data->data = udata;
- dc_queuecmd(getpalistcallback, data, L"lspa", L"%%i", fn->id, NULL);
+ dc_queuecmd(getpalistcallback, data, L"lspa", L"%i", fn->id, NULL);
}
void dc_uimisc_disconnected(void)