*/
#include <windows.h>
+#ifndef NO_SECURITY
#include <aclapi.h>
-#include <stdio.h> /* FIXME */
-#include "putty.h" /* FIXME */
+#endif
+#include <stdio.h>
+#include <stdlib.h>
+#include <ctype.h>
+#include <tchar.h>
+
#include "ssh.h"
#include "tree234.h"
#define IDM_CLOSE 0x0010
#define IDM_VIEWKEYS 0x0020
+#define IDM_ADDKEY 0x0030
+#define IDM_ABOUT 0x0040
#define APPNAME "Pageant"
-#define SSH_AGENTC_REQUEST_RSA_IDENTITIES 1
-#define SSH_AGENT_RSA_IDENTITIES_ANSWER 2
-#define SSH_AGENTC_RSA_CHALLENGE 3
-#define SSH_AGENT_RSA_RESPONSE 4
-#define SSH_AGENT_FAILURE 5
-#define SSH_AGENT_SUCCESS 6
-#define SSH_AGENTC_ADD_RSA_IDENTITY 7
-#define SSH_AGENTC_REMOVE_RSA_IDENTITY 8
+extern char ver[];
-HINSTANCE instance;
-HWND hwnd;
-HWND keylist;
-HMENU systray_menu;
+static HINSTANCE instance;
+static HWND hwnd;
+static HWND keylist;
+static HWND aboutbox;
+static HMENU systray_menu;
+static int already_running;
-tree234 *rsakeys;
+static tree234 *rsakeys, *ssh2keys;
-int has_security;
+static int has_security;
+#ifndef NO_SECURITY
typedef DWORD (WINAPI *gsi_fn_t)
(HANDLE, SE_OBJECT_TYPE, SECURITY_INFORMATION,
PSID *, PSID *, PACL *, PACL *,
PSECURITY_DESCRIPTOR *);
-gsi_fn_t getsecurityinfo;
+static gsi_fn_t getsecurityinfo;
+#endif
/*
* We need this to link with the RSA code, because rsaencrypt()
- * pads its data with random bytes. Since we only use rsadecrypt(),
- * which is deterministic, this should never be called.
- *
+ * pads its data with random bytes. Since we only use rsadecrypt()
+ * and the signing functions, which are deterministic, this should
+ * never be called.
+ *
* If it _is_ called, there is a _serious_ problem, because it
* won't generate true random numbers. So we must scream, panic,
* and exit immediately if that should happen.
}
/*
+ * Blob structure for passing to the asymmetric SSH2 key compare
+ * function, prototyped here.
+ */
+struct blob {
+ unsigned char *blob;
+ int len;
+};
+static int cmpkeys_ssh2_asymm(void *av, void *bv);
+
+/*
* This function is needed to link with the DES code. We need not
* have it do anything at all.
*/
#define PASSPHRASE_MAXLEN 512
+struct PassphraseProcStruct {
+ char *passphrase;
+ char *comment;
+};
+
+/*
+ * Dialog-box function for the Licence box.
+ */
+static int CALLBACK LicenceProc (HWND hwnd, UINT msg,
+ WPARAM wParam, LPARAM lParam) {
+ switch (msg) {
+ case WM_INITDIALOG:
+ return 1;
+ case WM_COMMAND:
+ switch (LOWORD(wParam)) {
+ case IDOK:
+ EndDialog(hwnd, 1);
+ return 0;
+ }
+ return 0;
+ case WM_CLOSE:
+ EndDialog(hwnd, 1);
+ return 0;
+ }
+ return 0;
+}
+
+/*
+ * Dialog-box function for the About box.
+ */
+static int CALLBACK AboutProc (HWND hwnd, UINT msg,
+ WPARAM wParam, LPARAM lParam) {
+ switch (msg) {
+ case WM_INITDIALOG:
+ SetDlgItemText (hwnd, 100, ver);
+ return 1;
+ case WM_COMMAND:
+ switch (LOWORD(wParam)) {
+ case IDOK:
+ aboutbox = NULL;
+ DestroyWindow (hwnd);
+ return 0;
+ case 101:
+ EnableWindow(hwnd, 0);
+ DialogBox (instance, MAKEINTRESOURCE(214), NULL, LicenceProc);
+ EnableWindow(hwnd, 1);
+ SetActiveWindow(hwnd);
+ return 0;
+ }
+ return 0;
+ case WM_CLOSE:
+ aboutbox = NULL;
+ DestroyWindow (hwnd);
+ return 0;
+ }
+ return 0;
+}
+
/*
* Dialog-box function for the passphrase box.
*/
static int CALLBACK PassphraseProc(HWND hwnd, UINT msg,
WPARAM wParam, LPARAM lParam) {
static char *passphrase;
+ struct PassphraseProcStruct *p;
switch (msg) {
case WM_INITDIALOG:
- passphrase = (char *)lParam;
+ /*
+ * Centre the window.
+ */
+ { /* centre the window */
+ RECT rs, rd;
+ HWND hw;
+
+ hw = GetDesktopWindow();
+ if (GetWindowRect (hw, &rs) && GetWindowRect (hwnd, &rd))
+ MoveWindow (hwnd, (rs.right + rs.left + rd.left - rd.right)/2,
+ (rs.bottom + rs.top + rd.top - rd.bottom)/2,
+ rd.right-rd.left, rd.bottom-rd.top, TRUE);
+ }
+
+ SetForegroundWindow(hwnd);
+ SetWindowPos (hwnd, HWND_TOP, 0, 0, 0, 0,
+ SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW);
+ p = (struct PassphraseProcStruct *)lParam;
+ passphrase = p->passphrase;
+ if (p->comment)
+ SetDlgItemText(hwnd, 101, p->comment);
*passphrase = 0;
return 0;
case WM_COMMAND:
}
/*
+ * Update the visible key list.
+ */
+static void keylist_update(void) {
+ struct RSAKey *rkey;
+ struct ssh2_userkey *skey;
+ enum234 e;
+
+ if (keylist) {
+ SendDlgItemMessage(keylist, 100, LB_RESETCONTENT, 0, 0);
+ for (rkey = first234(rsakeys, &e); rkey; rkey = next234(&e)) {
+ char listentry[512], *p;
+ /*
+ * Replace two spaces in the fingerprint with tabs, for
+ * nice alignment in the box.
+ */
+ strcpy(listentry, "ssh1\t");
+ p = listentry+strlen(listentry);
+ rsa_fingerprint(p, sizeof(listentry)-(p-listentry), rkey);
+ p = strchr(listentry, ' '); if (p) *p = '\t';
+ p = strchr(listentry, ' '); if (p) *p = '\t';
+ SendDlgItemMessage (keylist, 100, LB_ADDSTRING,
+ 0, (LPARAM)listentry);
+ }
+ for (skey = first234(ssh2keys, &e); skey; skey = next234(&e)) {
+ char listentry[512], *p;
+ int len;
+ /*
+ * Replace two spaces in the fingerprint with tabs, for
+ * nice alignment in the box.
+ */
+ p = skey->alg->fingerprint(skey->data);
+ strncpy(listentry, p, sizeof(listentry));
+ p = strchr(listentry, ' '); if (p) *p = '\t';
+ p = strchr(listentry, ' '); if (p) *p = '\t';
+ len = strlen(listentry);
+ if (len < sizeof(listentry)-2) {
+ listentry[len] = '\t';
+ strncpy(listentry+len+1, skey->comment, sizeof(listentry)-len-1);
+ }
+ SendDlgItemMessage (keylist, 100, LB_ADDSTRING,
+ 0, (LPARAM)listentry);
+ }
+ SendDlgItemMessage (keylist, 100, LB_SETCURSEL, (WPARAM) -1, 0);
+ }
+}
+
+/*
* This function loads a key from a file and adds it.
*/
-void add_keyfile(char *filename) {
+static void add_keyfile(char *filename) {
char passphrase[PASSPHRASE_MAXLEN];
- struct RSAKey *key;
+ struct RSAKey *rkey;
+ struct ssh2_userkey *skey;
int needs_pass;
int ret;
int attempts;
+ char *comment;
+ struct PassphraseProcStruct pps;
+ int ver;
+
+ ver = keyfile_version(filename);
+ if (ver == 0) {
+ MessageBox(NULL, "Couldn't load private key.", APPNAME,
+ MB_OK | MB_ICONERROR);
+ return;
+ }
- /* FIXME: we can acquire comment here and use it in dialog */
- needs_pass = rsakey_encrypted(filename, NULL);
+ if (ver == 1)
+ needs_pass = rsakey_encrypted(filename, &comment);
+ else
+ needs_pass = ssh2_userkey_encrypted(filename, &comment);
attempts = 0;
- key = malloc(sizeof(*key));
+ if (ver == 1)
+ rkey = smalloc(sizeof(*rkey));
+ pps.passphrase = passphrase;
+ pps.comment = comment;
do {
if (needs_pass) {
int dlgret;
dlgret = DialogBoxParam(instance, MAKEINTRESOURCE(210),
NULL, PassphraseProc,
- (LPARAM)passphrase);
+ (LPARAM)&pps);
if (!dlgret) {
- free(key);
+ if (comment) sfree(comment);
+ if (ver == 1)
+ sfree(rkey);
return; /* operation cancelled */
}
} else
*passphrase = '\0';
- ret = loadrsakey(filename, key, passphrase);
+ if (ver == 1)
+ ret = loadrsakey(filename, rkey, passphrase);
+ else {
+ skey = ssh2_load_userkey(filename, passphrase);
+ if (skey == SSH2_WRONG_PASSPHRASE)
+ ret = -1;
+ else if (!skey)
+ ret = 0;
+ else
+ ret = 1;
+ }
attempts++;
} while (ret == -1);
+ if (comment) sfree(comment);
if (ret == 0) {
- MessageBox(NULL, "Couldn't load public key.", APPNAME,
+ MessageBox(NULL, "Couldn't load private key.", APPNAME,
MB_OK | MB_ICONERROR);
- free(key);
+ if (ver == 1)
+ sfree(rkey);
return;
}
- if (add234(rsakeys, key) != key)
- free(key); /* already present, don't waste RAM */
+ if (ver == 1) {
+ if (already_running) {
+ unsigned char *request, *response;
+ int reqlen, clen, resplen;
+
+ clen = strlen(rkey->comment);
+
+ reqlen = 4 + 1 + /* length, message type */
+ 4 + /* bit count */
+ ssh1_bignum_length(rkey->modulus) +
+ ssh1_bignum_length(rkey->exponent) +
+ ssh1_bignum_length(rkey->private_exponent) +
+ ssh1_bignum_length(rkey->iqmp) +
+ ssh1_bignum_length(rkey->p) +
+ ssh1_bignum_length(rkey->q) +
+ 4 + clen /* comment */
+ ;
+
+ request = smalloc(reqlen);
+
+ request[4] = SSH1_AGENTC_ADD_RSA_IDENTITY;
+ reqlen = 5;
+ PUT_32BIT(request+reqlen, bignum_bitcount(rkey->modulus));
+ reqlen += 4;
+ reqlen += ssh1_write_bignum(request+reqlen, rkey->modulus);
+ reqlen += ssh1_write_bignum(request+reqlen, rkey->exponent);
+ reqlen += ssh1_write_bignum(request+reqlen, rkey->private_exponent);
+ reqlen += ssh1_write_bignum(request+reqlen, rkey->iqmp);
+ reqlen += ssh1_write_bignum(request+reqlen, rkey->p);
+ reqlen += ssh1_write_bignum(request+reqlen, rkey->q);
+ PUT_32BIT(request+reqlen, clen);
+ memcpy(request+reqlen+4, rkey->comment, clen);
+ reqlen += 4+clen;
+ PUT_32BIT(request, reqlen-4);
+
+ agent_query(request, reqlen, &response, &resplen);
+ if (resplen < 5 || response[4] != SSH_AGENT_SUCCESS)
+ MessageBox(NULL, "The already running Pageant "
+ "refused to add the key.", APPNAME,
+ MB_OK | MB_ICONERROR);
+ } else {
+ if (add234(rsakeys, rkey) != rkey)
+ sfree(rkey); /* already present, don't waste RAM */
+ }
+ } else {
+ if (already_running) {
+ unsigned char *request, *response;
+ int reqlen, alglen, clen, keybloblen, resplen;
+ alglen = strlen(skey->alg->name);
+ clen = strlen(skey->comment);
+
+ keybloblen = skey->alg->openssh_fmtkey(skey->data, NULL, 0);
+
+ reqlen = 4 + 1 + /* length, message type */
+ 4 + alglen + /* algorithm name */
+ keybloblen + /* key data */
+ 4 + clen /* comment */
+ ;
+
+ request = smalloc(reqlen);
+
+ request[4] = SSH2_AGENTC_ADD_IDENTITY;
+ reqlen = 5;
+ PUT_32BIT(request+reqlen, alglen);
+ reqlen += 4;
+ memcpy(request+reqlen, skey->alg->name, alglen);
+ reqlen += alglen;
+ reqlen += skey->alg->openssh_fmtkey(skey->data,
+ request+reqlen, keybloblen);
+ PUT_32BIT(request+reqlen, clen);
+ memcpy(request+reqlen+4, skey->comment, clen);
+ PUT_32BIT(request, reqlen-4);
+ reqlen += clen+4;
+
+ agent_query(request, reqlen, &response, &resplen);
+ if (resplen < 5 || response[4] != SSH_AGENT_SUCCESS)
+ MessageBox(NULL, "The already running Pageant"
+ "refused to add the key.", APPNAME,
+ MB_OK | MB_ICONERROR);
+ } else {
+ if (add234(ssh2keys, skey) != skey) {
+ skey->alg->freekey(skey->data);
+ sfree(skey); /* already present, don't waste RAM */
+ }
+ }
+ }
}
/*
* This is the main agent function that answers messages.
*/
-void answer_msg(void *msg) {
+static void answer_msg(void *msg) {
unsigned char *p = msg;
unsigned char *ret = msg;
int type;
p += 5;
switch (type) {
- case SSH_AGENTC_REQUEST_RSA_IDENTITIES:
+ case SSH1_AGENTC_REQUEST_RSA_IDENTITIES:
/*
- * Reply with SSH_AGENT_RSA_IDENTITIES_ANSWER.
+ * Reply with SSH1_AGENT_RSA_IDENTITIES_ANSWER.
*/
{
enum234 e;
if (len > AGENT_MAX_MSGLEN)
goto failure; /* aaargh! too much stuff! */
PUT_32BIT(ret, len-4);
- ret[4] = SSH_AGENT_RSA_IDENTITIES_ANSWER;
+ ret[4] = SSH1_AGENT_RSA_IDENTITIES_ANSWER;
PUT_32BIT(ret+5, nkeys);
p = ret + 5 + 4;
for (key = first234(rsakeys, &e); key; key = next234(&e)) {
- PUT_32BIT(p, ssh1_bignum_bitcount(key->modulus));
+ PUT_32BIT(p, bignum_bitcount(key->modulus));
p += 4;
p += ssh1_write_bignum(p, key->exponent);
p += ssh1_write_bignum(p, key->modulus);
}
}
break;
- case SSH_AGENTC_RSA_CHALLENGE:
+ case SSH2_AGENTC_REQUEST_IDENTITIES:
/*
- * Reply with either SSH_AGENT_RSA_RESPONSE or
+ * Reply with SSH2_AGENT_IDENTITIES_ANSWER.
+ */
+ {
+ enum234 e;
+ struct ssh2_userkey *key;
+ int len, nkeys;
+ unsigned char *blob;
+ int bloblen;
+
+ /*
+ * Count up the number and length of keys we hold.
+ */
+ len = nkeys = 0;
+ for (key = first234(ssh2keys, &e); key; key = next234(&e)) {
+ nkeys++;
+ len += 4; /* length field */
+ blob = key->alg->public_blob(key->data, &bloblen);
+ len += bloblen;
+ sfree(blob);
+ len += 4 + strlen(key->comment);
+ }
+
+ /*
+ * Packet header is the obvious five bytes, plus four
+ * bytes for the key count.
+ */
+ len += 5 + 4;
+ if (len > AGENT_MAX_MSGLEN)
+ goto failure; /* aaargh! too much stuff! */
+ PUT_32BIT(ret, len-4);
+ ret[4] = SSH2_AGENT_IDENTITIES_ANSWER;
+ PUT_32BIT(ret+5, nkeys);
+ p = ret + 5 + 4;
+ for (key = first234(ssh2keys, &e); key; key = next234(&e)) {
+ blob = key->alg->public_blob(key->data, &bloblen);
+ PUT_32BIT(p, bloblen);
+ p += 4;
+ memcpy(p, blob, bloblen);
+ p += bloblen;
+ sfree(blob);
+ PUT_32BIT(p, strlen(key->comment));
+ memcpy(p+4, key->comment, strlen(key->comment));
+ p += 4 + strlen(key->comment);
+ }
+ }
+ break;
+ case SSH1_AGENTC_RSA_CHALLENGE:
+ /*
+ * Reply with either SSH1_AGENT_RSA_RESPONSE or
* SSH_AGENT_FAILURE, depending on whether we have that key
* or not.
*/
*/
len = 5 + 16;
PUT_32BIT(ret, len-4);
- ret[4] = SSH_AGENT_RSA_RESPONSE;
+ ret[4] = SSH1_AGENT_RSA_RESPONSE;
memcpy(ret+5, response_md5, 16);
}
break;
-#if 0 /* FIXME: implement these */
- case SSH_AGENTC_ADD_RSA_IDENTITY:
+ case SSH2_AGENTC_SIGN_REQUEST:
+ /*
+ * Reply with either SSH2_AGENT_RSA_RESPONSE or
+ * SSH_AGENT_FAILURE, depending on whether we have that key
+ * or not.
+ */
+ {
+ struct ssh2_userkey *key;
+ struct blob b;
+ unsigned char *data, *signature;
+ int datalen, siglen, len;
+
+ b.len = GET_32BIT(p);
+ p += 4;
+ b.blob = p;
+ p += b.len;
+ datalen = GET_32BIT(p);
+ p += 4;
+ data = p;
+ key = find234(ssh2keys, &b, cmpkeys_ssh2_asymm);
+ if (!key)
+ goto failure;
+ signature = key->alg->sign(key->data, data, datalen, &siglen);
+ len = 5+4+siglen;
+ PUT_32BIT(ret, len-4);
+ ret[4] = SSH2_AGENT_SIGN_RESPONSE;
+ PUT_32BIT(ret+5, siglen);
+ memcpy(ret+5+4, signature, siglen);
+ sfree(signature);
+ }
+ break;
+ case SSH1_AGENTC_ADD_RSA_IDENTITY:
/*
* Add to the list and return SSH_AGENT_SUCCESS, or
* SSH_AGENT_FAILURE if the key was malformed.
*/
+ {
+ struct RSAKey *key;
+ char *comment;
+ key = smalloc(sizeof(struct RSAKey));
+ memset(key, 0, sizeof(key));
+ p += makekey(p, key, NULL, 1);
+ p += makeprivate(p, key);
+ p += ssh1_read_bignum(p, key->iqmp); /* p^-1 mod q */
+ p += ssh1_read_bignum(p, key->p); /* p */
+ p += ssh1_read_bignum(p, key->q); /* q */
+ comment = smalloc(GET_32BIT(p));
+ if (comment) {
+ memcpy(comment, p+4, GET_32BIT(p));
+ key->comment = comment;
+ }
+ PUT_32BIT(ret, 1);
+ ret[4] = SSH_AGENT_FAILURE;
+ if (add234(rsakeys, key) == key) {
+ keylist_update();
+ ret[4] = SSH_AGENT_SUCCESS;
+ } else {
+ freersakey(key);
+ sfree(key);
+ }
+ }
break;
- case SSH_AGENTC_REMOVE_RSA_IDENTITY:
+ case SSH2_AGENTC_ADD_IDENTITY:
+ /*
+ * Add to the list and return SSH_AGENT_SUCCESS, or
+ * SSH_AGENT_FAILURE if the key was malformed.
+ */
+ {
+ struct ssh2_userkey *key;
+ char *comment, *alg;
+ int alglen, commlen;
+ int bloblen;
+
+ key = smalloc(sizeof(struct ssh2_userkey));
+
+ alglen = GET_32BIT(p); p += 4;
+ alg = p; p += alglen;
+ /* Add further algorithm names here. */
+ if (alglen == 7 && !memcmp(alg, "ssh-rsa", 7))
+ key->alg = &ssh_rsa;
+ else {
+ sfree(key);
+ goto failure;
+ }
+
+ bloblen = GET_32BIT((unsigned char *)msg) - (p-(unsigned char *)msg-4);
+ key->data = key->alg->openssh_createkey(&p, &bloblen);
+ if (!key->data) {
+ sfree(key);
+ goto failure;
+ }
+ commlen = GET_32BIT(p); p += 4;
+
+ comment = smalloc(commlen+1);
+ if (comment) {
+ memcpy(comment, p, commlen);
+ comment[commlen] = '\0';
+ }
+ key->comment = comment;
+
+ PUT_32BIT(ret, 1);
+ ret[4] = SSH_AGENT_FAILURE;
+ if (add234(ssh2keys, key) == key) {
+ keylist_update();
+ ret[4] = SSH_AGENT_SUCCESS;
+ } else {
+ key->alg->freekey(key->data);
+ sfree(key->comment);
+ sfree(key);
+ }
+ }
+ break;
+ case SSH1_AGENTC_REMOVE_RSA_IDENTITY:
/*
* Remove from the list and return SSH_AGENT_SUCCESS, or
* perhaps SSH_AGENT_FAILURE if it wasn't in the list to
* start with.
*/
+ {
+ struct RSAKey reqkey, *key;
+
+ p += makekey(p, &reqkey, NULL, 0);
+ key = find234(rsakeys, &reqkey, NULL);
+ freebn(reqkey.exponent);
+ freebn(reqkey.modulus);
+ PUT_32BIT(ret, 1);
+ ret[4] = SSH_AGENT_FAILURE;
+ if (key) {
+ del234(rsakeys, key);
+ keylist_update();
+ freersakey(key);
+ sfree(key);
+ ret[4] = SSH_AGENT_SUCCESS;
+ }
+ }
+ break;
+ case SSH2_AGENTC_REMOVE_IDENTITY:
+ /*
+ * Remove from the list and return SSH_AGENT_SUCCESS, or
+ * perhaps SSH_AGENT_FAILURE if it wasn't in the list to
+ * start with.
+ */
+ {
+ struct ssh2_userkey *key;
+ struct blob b;
+
+ b.len = GET_32BIT(p);
+ p += 4;
+ b.blob = p;
+ p += b.len;
+ key = find234(ssh2keys, &b, cmpkeys_ssh2_asymm);
+ if (!key)
+ goto failure;
+
+ PUT_32BIT(ret, 1);
+ ret[4] = SSH_AGENT_FAILURE;
+ if (key) {
+ del234(ssh2keys, key);
+ keylist_update();
+ key->alg->freekey(key->data);
+ sfree(key);
+ ret[4] = SSH_AGENT_SUCCESS;
+ }
+ }
+ break;
+ case SSH1_AGENTC_REMOVE_ALL_RSA_IDENTITIES:
+ /*
+ * Remove all SSH1 keys. Always returns success.
+ */
+ {
+ struct RSAKey *rkey;
+ enum234 e;
+
+ while ( (rkey = first234(rsakeys, &e)) != NULL ) {
+ del234(rsakeys, rkey);
+ freersakey(rkey);
+ sfree(rkey);
+ }
+ keylist_update();
+
+ PUT_32BIT(ret, 1);
+ ret[4] = SSH_AGENT_SUCCESS;
+ }
+ break;
+ case SSH2_AGENTC_REMOVE_ALL_IDENTITIES:
+ /*
+ * Remove all SSH2 keys. Always returns success.
+ */
+ {
+ struct ssh2_userkey *skey;
+ enum234 e;
+
+ while ( (skey = first234(ssh2keys, &e)) != NULL ) {
+ del234(ssh2keys, skey);
+ skey->alg->freekey(skey->data);
+ sfree(skey);
+ }
+ keylist_update();
+
+ PUT_32BIT(ret, 1);
+ ret[4] = SSH_AGENT_SUCCESS;
+ }
break;
-#endif
default:
failure:
/*
/*
* Key comparison function for the 2-3-4 tree of RSA keys.
*/
-int cmpkeys(void *av, void *bv) {
+static int cmpkeys_rsa(void *av, void *bv) {
struct RSAKey *a = (struct RSAKey *)av;
struct RSAKey *b = (struct RSAKey *)bv;
Bignum am, bm;
/*
* Compare by length of moduli.
*/
- alen = ssh1_bignum_bitcount(am);
- blen = ssh1_bignum_bitcount(bm);
+ alen = bignum_bitcount(am);
+ blen = bignum_bitcount(bm);
if (alen > blen) return +1; else if (alen < blen) return -1;
/*
* Now compare by moduli themselves.
return 0;
}
+/*
+ * Key comparison function for the 2-3-4 tree of SSH2 keys.
+ */
+static int cmpkeys_ssh2(void *av, void *bv) {
+ struct ssh2_userkey *a = (struct ssh2_userkey *)av;
+ struct ssh2_userkey *b = (struct ssh2_userkey *)bv;
+ int i;
+ int alen, blen;
+ unsigned char *ablob, *bblob;
+ int c;
+
+ /*
+ * Compare purely by public blob.
+ */
+ ablob = a->alg->public_blob(a->data, &alen);
+ bblob = b->alg->public_blob(b->data, &blen);
+
+ c = 0;
+ for (i = 0; i < alen && i < blen; i++) {
+ if (ablob[i] < bblob[i]) {
+ c = -1; break;
+ } else if (ablob[i] > bblob[i]) {
+ c = +1; break;
+ }
+ }
+ if (c == 0 && i < alen) c = +1; /* a is longer */
+ if (c == 0 && i < blen) c = -1; /* a is longer */
+
+ sfree(ablob);
+ sfree(bblob);
+
+ return c;
+}
+
+/*
+ * Key comparison function for looking up a blob in the 2-3-4 tree
+ * of SSH2 keys.
+ */
+static int cmpkeys_ssh2_asymm(void *av, void *bv) {
+ struct blob *a = (struct blob *)av;
+ struct ssh2_userkey *b = (struct ssh2_userkey *)bv;
+ int i;
+ int alen, blen;
+ unsigned char *ablob, *bblob;
+ int c;
+
+ /*
+ * Compare purely by public blob.
+ */
+ ablob = a->blob;
+ alen = a->len;
+ bblob = b->alg->public_blob(b->data, &blen);
+
+ c = 0;
+ for (i = 0; i < alen && i < blen; i++) {
+ if (ablob[i] < bblob[i]) {
+ c = -1; break;
+ } else if (ablob[i] > bblob[i]) {
+ c = +1; break;
+ }
+ }
+ if (c == 0 && i < alen) c = +1; /* a is longer */
+ if (c == 0 && i < blen) c = -1; /* a is longer */
+
+ sfree(bblob);
+
+ return c;
+}
+
static void error(char *s) {
MessageBox(hwnd, s, APPNAME, MB_OK | MB_ICONERROR);
}
/*
+ * Prompt for a key file to add, and add it.
+ */
+static void prompt_add_keyfile(void) {
+ OPENFILENAME of;
+ char filename[FILENAME_MAX];
+ memset(&of, 0, sizeof(of));
+#ifdef OPENFILENAME_SIZE_VERSION_400
+ of.lStructSize = OPENFILENAME_SIZE_VERSION_400;
+#else
+ of.lStructSize = sizeof(of);
+#endif
+ of.hwndOwner = hwnd;
+ of.lpstrFilter = "All Files\0*\0\0\0";
+ of.lpstrCustomFilter = NULL;
+ of.nFilterIndex = 1;
+ of.lpstrFile = filename; *filename = '\0';
+ of.nMaxFile = sizeof(filename);
+ of.lpstrFileTitle = NULL;
+ of.lpstrInitialDir = NULL;
+ of.lpstrTitle = "Select Private Key File";
+ of.Flags = 0;
+ if (GetOpenFileName(&of)) {
+ add_keyfile(filename);
+ keylist_update();
+ }
+}
+
+/*
* Dialog-box function for the key list box.
*/
static int CALLBACK KeyListProc(HWND hwnd, UINT msg,
WPARAM wParam, LPARAM lParam) {
enum234 e;
- struct RSAKey *key;
- OPENFILENAME of;
- char filename[FILENAME_MAX];
+ struct RSAKey *rkey;
+ struct ssh2_userkey *skey;
switch (msg) {
case WM_INITDIALOG:
- for (key = first234(rsakeys, &e); key; key = next234(&e)) {
- SendDlgItemMessage (hwnd, 100, LB_ADDSTRING,
- 0, (LPARAM) key->comment);
- }
+ /*
+ * Centre the window.
+ */
+ { /* centre the window */
+ RECT rs, rd;
+ HWND hw;
+
+ hw = GetDesktopWindow();
+ if (GetWindowRect (hw, &rs) && GetWindowRect (hwnd, &rd))
+ MoveWindow (hwnd, (rs.right + rs.left + rd.left - rd.right)/2,
+ (rs.bottom + rs.top + rd.top - rd.bottom)/2,
+ rd.right-rd.left, rd.bottom-rd.top, TRUE);
+ }
+
+ keylist = hwnd;
+ {
+ static int tabs[] = {35, 60, 210};
+ SendDlgItemMessage (hwnd, 100, LB_SETTABSTOPS,
+ sizeof(tabs)/sizeof(*tabs), (LPARAM) tabs);
+ }
+ keylist_update();
return 0;
case WM_COMMAND:
switch (LOWORD(wParam)) {
case 101: /* add key */
if (HIWORD(wParam) == BN_CLICKED ||
HIWORD(wParam) == BN_DOUBLECLICKED) {
- memset(&of, 0, sizeof(of));
-#ifdef OPENFILENAME_SIZE_VERSION_400
- of.lStructSize = OPENFILENAME_SIZE_VERSION_400;
-#else
- of.lStructSize = sizeof(of);
-#endif
- of.hwndOwner = hwnd;
- of.lpstrFilter = "All Files\0*\0\0\0";
- of.lpstrCustomFilter = NULL;
- of.nFilterIndex = 1;
- of.lpstrFile = filename; *filename = '\0';
- of.nMaxFile = sizeof(filename);
- of.lpstrFileTitle = NULL;
- of.lpstrInitialDir = NULL;
- of.lpstrTitle = "Select Public Key File";
- of.Flags = 0;
- if (GetOpenFileName(&of)) {
- add_keyfile(filename);
- }
- SendDlgItemMessage(hwnd, 100, LB_RESETCONTENT, 0, 0);
- for (key = first234(rsakeys, &e); key; key = next234(&e)) {
- SendDlgItemMessage (hwnd, 100, LB_ADDSTRING,
- 0, (LPARAM) key->comment);
- }
- SendDlgItemMessage (hwnd, 100, LB_SETCURSEL, (WPARAM) -1, 0);
+ prompt_add_keyfile();
}
return 0;
case 102: /* remove key */
if (HIWORD(wParam) == BN_CLICKED ||
HIWORD(wParam) == BN_DOUBLECLICKED) {
int n = SendDlgItemMessage (hwnd, 100, LB_GETCURSEL, 0, 0);
- if (n == LB_ERR || n == 0) {
+ if (n == LB_ERR) {
MessageBeep(0);
break;
}
- for (key = first234(rsakeys, &e); key; key = next234(&e))
+ for (rkey = first234(rsakeys, &e); rkey; rkey = next234(&e))
if (n-- == 0)
break;
- del234(rsakeys, key);
- freersakey(key); free(key);
- SendDlgItemMessage(hwnd, 100, LB_RESETCONTENT, 0, 0);
- for (key = first234(rsakeys, &e); key; key = next234(&e)) {
- SendDlgItemMessage (hwnd, 100, LB_ADDSTRING,
- 0, (LPARAM) key->comment);
- }
- SendDlgItemMessage (hwnd, 100, LB_SETCURSEL, (WPARAM) -1, 0);
+ if (rkey) {
+ del234(rsakeys, rkey);
+ freersakey(rkey);
+ sfree(rkey);
+ } else {
+ for (skey = first234(ssh2keys, &e); skey; skey = next234(&e))
+ if (n-- == 0)
+ break;
+ if (skey) {
+ del234(ssh2keys, skey);
+ skey->alg->freekey(skey->data);
+ sfree(skey);
+ }
+ }
+ keylist_update();
}
return 0;
}
SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW);
}
break;
+ case IDM_ADDKEY:
+ prompt_add_keyfile();
+ break;
+ case IDM_ABOUT:
+ if (!aboutbox) {
+ aboutbox = CreateDialog (instance, MAKEINTRESOURCE(213),
+ NULL, AboutProc);
+ ShowWindow (aboutbox, SW_SHOWNORMAL);
+ /*
+ * Sometimes the window comes up minimised / hidden
+ * for no obvious reason. Prevent this.
+ */
+ SetForegroundWindow(aboutbox);
+ SetWindowPos (aboutbox, HWND_TOP, 0, 0, 0, 0,
+ SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW);
+ }
+ break;
}
break;
case WM_DESTROY:
#endif
if (filemap != NULL && filemap != INVALID_HANDLE_VALUE) {
int rc;
+#ifndef NO_SECURITY
if (has_security) {
if ((proc = OpenProcess(MAXIMUM_ALLOWED, FALSE,
GetCurrentProcessId())) == NULL) {
debug(("security APIs not present\r\n"));
#endif
}
+#endif
p = MapViewOfFile(filemap, FILE_MAP_WRITE, 0, 0, 0);
#ifdef DEBUG_IPC
debug(("p is %p\r\n", p));
return DefWindowProc (hwnd, message, wParam, lParam);
}
+/*
+ * Fork and Exec the command in cmdline. [DBW]
+ */
+void spawn_cmd(char *cmdline, int show) {
+ if (ShellExecute(NULL, _T("open"), cmdline,
+ NULL, NULL, show) <= (HINSTANCE) 32) {
+ TCHAR sMsg[140];
+ sprintf(sMsg, _T("Failed to run \"%.100s\", Error: %d"), cmdline,
+ GetLastError());
+ MessageBox(NULL, sMsg, APPNAME, MB_OK | MB_ICONEXCLAMATION);
+ }
+}
+
int WINAPI WinMain(HINSTANCE inst, HINSTANCE prev, LPSTR cmdline, int show) {
WNDCLASS wndclass;
MSG msg;
OSVERSIONINFO osi;
HMODULE advapi;
+ char *command = NULL;
+ int added_keys = 0;
/*
* Determine whether we're an NT system (should have security
has_security = FALSE;
if (has_security) {
+#ifndef NO_SECURITY
/*
- * Attempt to ge the security API we need.
+ * Attempt to get the security API we need.
*/
advapi = LoadLibrary("ADVAPI32.DLL");
getsecurityinfo = (gsi_fn_t)GetProcAddress(advapi, "GetSecurityInfo");
"Pageant Fatal Error", MB_ICONERROR | MB_OK);
return 1;
}
+#else
+ MessageBox(NULL,
+ "This program has been compiled for Win9X and will\n"
+ "not run on NT, in case it causes a security breach.",
+ "Pageant Fatal Error", MB_ICONERROR | MB_OK);
+ return 1;
+#endif
} else
advapi = NULL;
+ instance = inst;
+
/*
- * First bomb out totally if we are already running.
+ * Find out if Pageant is already running.
*/
- if (FindWindow("Pageant", "Pageant")) {
- MessageBox(NULL, "Pageant is already running", "Pageant Error",
- MB_ICONERROR | MB_OK);
- if (advapi) FreeLibrary(advapi);
- return 0;
- }
+ already_running = FALSE;
+ if (FindWindow("Pageant", "Pageant"))
+ already_running = TRUE;
+ else {
- instance = inst;
+ if (!prev) {
+ wndclass.style = 0;
+ wndclass.lpfnWndProc = WndProc;
+ wndclass.cbClsExtra = 0;
+ wndclass.cbWndExtra = 0;
+ wndclass.hInstance = inst;
+ wndclass.hIcon = LoadIcon (inst,
+ MAKEINTRESOURCE(IDI_MAINICON));
+ wndclass.hCursor = LoadCursor (NULL, IDC_IBEAM);
+ wndclass.hbrBackground = GetStockObject (BLACK_BRUSH);
+ wndclass.lpszMenuName = NULL;
+ wndclass.lpszClassName = APPNAME;
- if (!prev) {
- wndclass.style = 0;
- wndclass.lpfnWndProc = WndProc;
- wndclass.cbClsExtra = 0;
- wndclass.cbWndExtra = 0;
- wndclass.hInstance = inst;
- wndclass.hIcon = LoadIcon (inst,
- MAKEINTRESOURCE(IDI_MAINICON));
- wndclass.hCursor = LoadCursor (NULL, IDC_IBEAM);
- wndclass.hbrBackground = GetStockObject (BLACK_BRUSH);
- wndclass.lpszMenuName = NULL;
- wndclass.lpszClassName = APPNAME;
-
- RegisterClass (&wndclass);
- }
+ RegisterClass (&wndclass);
+ }
- hwnd = keylist = NULL;
+ hwnd = keylist = NULL;
- hwnd = CreateWindow (APPNAME, APPNAME,
- WS_OVERLAPPEDWINDOW | WS_VSCROLL,
- CW_USEDEFAULT, CW_USEDEFAULT,
- 100, 100, NULL, NULL, inst, NULL);
+ hwnd = CreateWindow (APPNAME, APPNAME,
+ WS_OVERLAPPEDWINDOW | WS_VSCROLL,
+ CW_USEDEFAULT, CW_USEDEFAULT,
+ 100, 100, NULL, NULL, inst, NULL);
- /* Set up a system tray icon */
- {
- BOOL res;
- NOTIFYICONDATA tnid;
- HICON hicon;
+ /* Set up a system tray icon */
+ {
+ BOOL res;
+ NOTIFYICONDATA tnid;
+ HICON hicon;
#ifdef NIM_SETVERSION
- tnid.uVersion = 0;
- res = Shell_NotifyIcon(NIM_SETVERSION, &tnid);
+ tnid.uVersion = 0;
+ res = Shell_NotifyIcon(NIM_SETVERSION, &tnid);
#endif
- tnid.cbSize = sizeof(NOTIFYICONDATA);
- tnid.hWnd = hwnd;
- tnid.uID = 1; /* unique within this systray use */
- tnid.uFlags = NIF_MESSAGE | NIF_ICON | NIF_TIP;
- tnid.uCallbackMessage = WM_SYSTRAY;
- tnid.hIcon = hicon = LoadIcon (instance, MAKEINTRESOURCE(201));
- strcpy(tnid.szTip, "Pageant (PuTTY authentication agent)");
+ tnid.cbSize = sizeof(NOTIFYICONDATA);
+ tnid.hWnd = hwnd;
+ tnid.uID = 1; /* unique within this systray use */
+ tnid.uFlags = NIF_MESSAGE | NIF_ICON | NIF_TIP;
+ tnid.uCallbackMessage = WM_SYSTRAY;
+ tnid.hIcon = hicon = LoadIcon (instance, MAKEINTRESOURCE(201));
+ strcpy(tnid.szTip, "Pageant (PuTTY authentication agent)");
- res = Shell_NotifyIcon(NIM_ADD, &tnid);
+ res = Shell_NotifyIcon(NIM_ADD, &tnid);
- if (hicon)
- DestroyIcon(hicon);
+ if (hicon)
+ DestroyIcon(hicon);
- systray_menu = CreatePopupMenu();
- AppendMenu (systray_menu, MF_ENABLED, IDM_VIEWKEYS, "View Keys");
- AppendMenu (systray_menu, MF_ENABLED, IDM_CLOSE, "Terminate");
- }
+ systray_menu = CreatePopupMenu();
+ /* accelerators used: vkxa */
+ AppendMenu (systray_menu, MF_ENABLED, IDM_VIEWKEYS, "&View Keys");
+ AppendMenu (systray_menu, MF_ENABLED, IDM_ADDKEY, "Add &Key");
+ AppendMenu (systray_menu, MF_ENABLED, IDM_ABOUT, "&About");
+ AppendMenu (systray_menu, MF_ENABLED, IDM_CLOSE, "E&xit");
+ }
- ShowWindow (hwnd, SW_HIDE);
+ ShowWindow (hwnd, SW_HIDE);
- /*
- * Initialise storage for RSA keys.
- */
- rsakeys = newtree234(cmpkeys);
+ /*
+ * Initialise storage for RSA keys.
+ */
+ rsakeys = newtree234(cmpkeys_rsa);
+ ssh2keys = newtree234(cmpkeys_ssh2);
+
+ }
/*
- * Process the command line and add RSA keys as listed on it.
+ * Process the command line and add keys as listed on it.
+ * If we already determined that we need to spawn a program from above we
+ * need to ignore the first two arguments. [DBW]
*/
{
char *p;
int inquotes = 0;
+ int ignorearg = 0;
p = cmdline;
while (*p) {
while (*p && isspace(*p)) p++;
if (*p) p++;
*pp++ = '\0';
}
- add_keyfile(q);
+ if (!strcmp(q, "-c")) {
+ /*
+ * If we see `-c', then the rest of the
+ * command line should be treated as a
+ * command to be spawned.
+ */
+ while (*p && isspace(*p)) p++;
+ command = p;
+ break;
+ } else {
+ add_keyfile(q);
+ added_keys = TRUE;
+ }
}
}
}
+ if (command) spawn_cmd (command, show);
+
+ /*
+ * If Pageant was already running, we leave now. If we haven't
+ * even taken any auxiliary action (spawned a command or added
+ * keys), complain.
+ */
+ if (already_running) {
+ if (!command && !added_keys) {
+ MessageBox(NULL, "Pageant is already running", "Pageant Error",
+ MB_ICONERROR | MB_OK);
+ }
+ if (advapi) FreeLibrary(advapi);
+ return 0;
+ }
+
/*
* Main message loop.
*/