- markus@cvs.openbsd.org 2002/05/13 20:44:58

     [auth-options.c auth.c auth.h]
     move the packet_send_debug handling from auth-options.c to auth.c;
     ok provos@

diff --git a/ChangeLog b/ChangeLog
index 6857a03af54a9bed040e4516c6d8c88426251587..84858c743b861a90c2910450f203dbc144af18e6 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -13,6 +13,10 @@
    - itojun@cvs.openbsd.org 2002/05/13 02:37:39
      [auth-skey.c auth2.c]
      less warnings.  skey_{respond,query} are public (in auth.h)
+   - markus@cvs.openbsd.org 2002/05/13 20:44:58
+     [auth-options.c auth.c auth.h]
+     move the packet_send_debug handling from auth-options.c to auth.c; 
+     ok provos@
 
 20020514
  - (stevesk) [README.privsep] PAM+privsep works with Solaris 8.

diff --git a/auth-options.c b/auth-options.c
index 3408b3d8f78b9dc113f4a292596f40eb86386fc0..2787d2948b5062e5c0dac0bf1742d9ca3451a8da 100644 (file)
--- a/auth-options.c
+++ b/auth-options.c
@@ -10,7 +10,7 @@
  */
 
 #include "includes.h"
-RCSID("$OpenBSD: auth-options.c,v 1.23 2002/03/19 10:35:39 markus Exp $");
+RCSID("$OpenBSD: auth-options.c,v 1.24 2002/05/13 20:44:58 markus Exp $");
 
 #include "packet.h"
 #include "xmalloc.h"
@@ -23,10 +23,7 @@ RCSID("$OpenBSD: auth-options.c,v 1.23 2002/03/19 10:35:39 markus Exp $");
 #include "bufaux.h"
 #include "misc.h"
 #include "monitor_wrap.h"
-
-/* Debugging messages */
-Buffer auth_debug;
-int auth_debug_init;
+#include "auth.h"
 
 /* Flags set authorized_keys flags */
 int no_port_forwarding_flag = 0;
@@ -42,28 +39,9 @@ struct envstring *custom_environment = NULL;
 
 extern ServerOptions options;
 
-static void
-auth_send_debug(Buffer *m)
-{
-       char *msg;
-
-       while (buffer_len(m)) {
-               msg = buffer_get_string(m, NULL);
-               packet_send_debug("%s", msg);
-               xfree(msg);
-       }
-}
-
 void
 auth_clear_options(void)
 {
-       if (auth_debug_init)
-               buffer_clear(&auth_debug);
-       else {
-               buffer_init(&auth_debug);
-               auth_debug_init = 1;
-       }
-
        no_agent_forwarding_flag = 0;
        no_port_forwarding_flag = 0;
        no_pty_flag = 0;
@@ -79,6 +57,7 @@ auth_clear_options(void)
                forced_command = NULL;
        }
        channel_clear_permitted_opens();
+       auth_debug_reset();
 }
 
 /*
@@ -88,7 +67,6 @@ auth_clear_options(void)
 int
 auth_parse_options(struct passwd *pw, char *opts, char *file, u_long linenum)
 {
-       char tmp[1024];
        const char *cp;
        int i;
 
@@ -101,32 +79,28 @@ auth_parse_options(struct passwd *pw, char *opts, char *file, u_long linenum)
        while (*opts && *opts != ' ' && *opts != '\t') {
                cp = "no-port-forwarding";
                if (strncasecmp(opts, cp, strlen(cp)) == 0) {
-                       snprintf(tmp, sizeof(tmp), "Port forwarding disabled.");
-                       buffer_put_cstring(&auth_debug, tmp);
+                       auth_debug_add("Port forwarding disabled.");
                        no_port_forwarding_flag = 1;
                        opts += strlen(cp);
                        goto next_option;
                }
                cp = "no-agent-forwarding";
                if (strncasecmp(opts, cp, strlen(cp)) == 0) {
-                       snprintf(tmp, sizeof(tmp), "Agent forwarding disabled.");
-                       buffer_put_cstring(&auth_debug, tmp);
+                       auth_debug_add("Agent forwarding disabled.");
                        no_agent_forwarding_flag = 1;
                        opts += strlen(cp);
                        goto next_option;
                }
                cp = "no-X11-forwarding";
                if (strncasecmp(opts, cp, strlen(cp)) == 0) {
-                       snprintf(tmp, sizeof(tmp), "X11 forwarding disabled.");
-                       buffer_put_cstring(&auth_debug, tmp);
+                       auth_debug_add("X11 forwarding disabled.");
                        no_x11_forwarding_flag = 1;
                        opts += strlen(cp);
                        goto next_option;
                }
                cp = "no-pty";
                if (strncasecmp(opts, cp, strlen(cp)) == 0) {
-                       snprintf(tmp, sizeof(tmp), "Pty allocation disabled.");
-                       buffer_put_cstring(&auth_debug, tmp);
+                       auth_debug_add("Pty allocation disabled.");
                        no_pty_flag = 1;
                        opts += strlen(cp);
                        goto next_option;
@@ -149,16 +123,14 @@ auth_parse_options(struct passwd *pw, char *opts, char *file, u_long linenum)
                        if (!*opts) {
                                debug("%.100s, line %lu: missing end quote",
                                    file, linenum);
-                               snprintf(tmp, sizeof(tmp), "%.100s, line %lu: missing end quote",
+                               auth_debug_add("%.100s, line %lu: missing end quote",
                                    file, linenum);
-                               buffer_put_cstring(&auth_debug, tmp);
                                xfree(forced_command);
                                forced_command = NULL;
                                goto bad_option;
                        }
                        forced_command[i] = 0;
-                       snprintf(tmp, sizeof(tmp), "Forced command: %.900s", forced_command);
-                       buffer_put_cstring(&auth_debug, tmp);
+                       auth_debug_add("Forced command: %.900s", forced_command);
                        opts++;
                        goto next_option;
                }
@@ -183,15 +155,13 @@ auth_parse_options(struct passwd *pw, char *opts, char *file, u_long linenum)
                        if (!*opts) {
                                debug("%.100s, line %lu: missing end quote",
                                    file, linenum);
-                               snprintf(tmp, sizeof(tmp), "%.100s, line %lu: missing end quote",
+                               auth_debug_add("%.100s, line %lu: missing end quote",
                                    file, linenum);
-                               buffer_put_cstring(&auth_debug, tmp);
                                xfree(s);
                                goto bad_option;
                        }
                        s[i] = 0;
-                       snprintf(tmp, sizeof(tmp), "Adding to environment: %.900s", s);
-                       buffer_put_cstring(&auth_debug, tmp);
+                       auth_debug_add("Adding to environment: %.900s", s);
                        debug("Adding to environment: %.900s", s);
                        opts++;
                        new_envstring = xmalloc(sizeof(struct envstring));
@@ -222,9 +192,8 @@ auth_parse_options(struct passwd *pw, char *opts, char *file, u_long linenum)
                        if (!*opts) {
                                debug("%.100s, line %lu: missing end quote",
                                    file, linenum);
-                               snprintf(tmp, sizeof(tmp), "%.100s, line %lu: missing end quote",
+                               auth_debug_add("%.100s, line %lu: missing end quote",
                                    file, linenum);
-                               buffer_put_cstring(&auth_debug, tmp);
                                xfree(patterns);
                                goto bad_option;
                        }
@@ -237,11 +206,9 @@ auth_parse_options(struct passwd *pw, char *opts, char *file, u_long linenum)
                                    "correct key but not from a permitted "
                                    "host (host=%.200s, ip=%.200s).",
                                    pw->pw_name, remote_host, remote_ip);
-                               snprintf(tmp, sizeof(tmp),
-                                   "Your host '%.200s' is not "
+                               auth_debug_add("Your host '%.200s' is not "
                                    "permitted to use this key for login.",
                                    remote_host);
-                               buffer_put_cstring(&auth_debug, tmp);
                                /* deny access */
                                return 0;
                        }
@@ -270,9 +237,8 @@ auth_parse_options(struct passwd *pw, char *opts, char *file, u_long linenum)
                        if (!*opts) {
                                debug("%.100s, line %lu: missing end quote",
                                    file, linenum);
-                               snprintf(tmp, sizeof(tmp), "%.100s, line %lu: missing end quote",
+                               auth_debug_add("%.100s, line %lu: missing end quote",
                                    file, linenum);
-                               buffer_put_cstring(&auth_debug, tmp);
                                xfree(patterns);
                                goto bad_option;
                        }
@@ -282,18 +248,16 @@ auth_parse_options(struct passwd *pw, char *opts, char *file, u_long linenum)
                            sscanf(patterns, "%255[^/]/%5[0-9]", host, sport) != 2) {
                                debug("%.100s, line %lu: Bad permitopen specification "
                                    "<%.100s>", file, linenum, patterns);
-                               snprintf(tmp, sizeof(tmp), "%.100s, line %lu: "
+                               auth_debug_add("%.100s, line %lu: "
                                    "Bad permitopen specification", file, linenum);
-                               buffer_put_cstring(&auth_debug, tmp);
                                xfree(patterns);
                                goto bad_option;
                        }
                        if ((port = a2port(sport)) == 0) {
                                debug("%.100s, line %lu: Bad permitopen port <%.100s>",
                                    file, linenum, sport);
-                               snprintf(tmp, sizeof(tmp), "%.100s, line %lu: "
+                               auth_debug_add("%.100s, line %lu: "
                                    "Bad permitopen port", file, linenum);
-                               buffer_put_cstring(&auth_debug, tmp);
                                xfree(patterns);
                                goto bad_option;
                        }
@@ -318,7 +282,7 @@ next_option:
        }
 
        if (!use_privsep)
-               auth_send_debug(&auth_debug);
+               auth_debug_send();
 
        /* grant access */
        return 1;
@@ -326,13 +290,11 @@ next_option:
 bad_option:
        log("Bad options in %.100s file, line %lu: %.50s",
            file, linenum, opts);
-       snprintf(tmp, sizeof(tmp),
-           "Bad options in %.100s file, line %lu: %.50s",
+       auth_debug_add("Bad options in %.100s file, line %lu: %.50s",
            file, linenum, opts);
-       buffer_put_cstring(&auth_debug, tmp);
 
        if (!use_privsep)
-               auth_send_debug(&auth_debug);
+               auth_debug_send();
 
        /* deny access */
        return 0;

diff --git a/auth.c b/auth.c
index 2f1979cfa97b03fe57a4e7a832690fdd2a1b0b8f..7c2faeed1ae94c5d6a350255cf9bb863da6164c5 100644 (file)
--- a/auth.c
+++ b/auth.c
@@ -23,7 +23,7 @@
  */
 
 #include "includes.h"
-RCSID("$OpenBSD: auth.c,v 1.41 2002/03/19 15:31:47 markus Exp $");
+RCSID("$OpenBSD: auth.c,v 1.42 2002/05/13 20:44:58 markus Exp $");
 
 #ifdef HAVE_LOGIN_H
 #include <login.h>
@@ -49,10 +49,16 @@ RCSID("$OpenBSD: auth.c,v 1.41 2002/03/19 15:31:47 markus Exp $");
 #include "uidswap.h"
 #include "tildexpand.h"
 #include "misc.h"
+#include "bufaux.h"
+#include "packet.h"
 
 /* import */
 extern ServerOptions options;
 
+/* Debugging messages */
+Buffer auth_debug;
+int auth_debug_init;
+
 /*
  * Check if the user is allowed to log in via ssh. If user is listed
  * in DenyUsers or one of user's groups is listed in DenyGroups, false
@@ -491,3 +497,43 @@ getpwnamallow(const char *user)
                return (pwcopy(pw));
        return (NULL);
 }
+
+void
+auth_debug_add(const char *fmt,...)
+{
+       char buf[1024];
+       va_list args;
+
+       if (!auth_debug_init)
+               return;
+
+       va_start(args, fmt);
+       vsnprintf(buf, sizeof(buf), fmt, args);
+       va_end(args);
+       buffer_put_cstring(&auth_debug, buf);
+}
+
+void
+auth_debug_send(void)
+{
+       char *msg;
+
+       if (!auth_debug_init)
+               return;
+       while (buffer_len(&auth_debug)) {
+               msg = buffer_get_string(&auth_debug, NULL);
+               packet_send_debug("%s", msg);
+               xfree(msg);
+       }
+}
+
+void
+auth_debug_reset(void)
+{
+       if (auth_debug_init)
+               buffer_clear(&auth_debug);
+       else {
+               buffer_init(&auth_debug);
+               auth_debug_init = 1;
+       }
+}

diff --git a/auth.h b/auth.h
index f03a26e0a1dd89c95a48691fac5342b8bcd5b37b..2211c5b2adfa618ebf08ee6cb7c71a068156bd6d 100644 (file)
--- a/auth.h
+++ b/auth.h
@@ -1,4 +1,4 @@
-/*     $OpenBSD: auth.h,v 1.36 2002/05/12 23:53:45 djm Exp $   */
+/*     $OpenBSD: auth.h,v 1.37 2002/05/13 20:44:58 markus Exp $        */
 
 /*
  * Copyright (c) 2000 Markus Friedl.  All rights reserved.
@@ -172,6 +172,11 @@ Key        *get_hostkey_by_type(int);
 int     get_hostkey_index(Key *);
 int     ssh1_session_key(BIGNUM *);
 
+/* debug messages during authentication */
+void    auth_debug_add(const char *fmt,...) __attribute__((format(printf, 1, 2)));
+void    auth_debug_send(void);
+void    auth_debug_reset(void);
+
 #define AUTH_FAIL_MAX 6
 #define AUTH_FAIL_LOG (AUTH_FAIL_MAX/2)
 #define AUTH_FAIL_MSG "Too many authentication failures for %.100s"