add some debug output showing how many key file/command lines

were processed. Useful to see whether a file or command actually has
keys present

diff --git a/usr.bin/ssh/auth2-pubkey.c b/usr.bin/ssh/auth2-pubkey.c
index 527802b..0575ae6 100644 (file)
--- a/usr.bin/ssh/auth2-pubkey.c
+++ b/usr.bin/ssh/auth2-pubkey.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: auth2-pubkey.c,v 1.109 2021/07/23 03:37:52 djm Exp $ */
+/* $OpenBSD: auth2-pubkey.c,v 1.110 2021/09/29 01:33:32 djm Exp $ */
 /*
  * Copyright (c) 2000 Markus Friedl.  All rights reserved.
  *
@@ -373,7 +373,7 @@ process_principals(struct ssh *ssh, FILE *f, const char *file,
 {
        char loc[256], *line = NULL, *cp, *ep;
        size_t linesize = 0;
-       u_long linenum = 0;
+       u_long linenum = 0, nonblank = 0;
        u_int found_principal = 0;
 
        if (authoptsp != NULL)
@@ -394,10 +394,12 @@ process_principals(struct ssh *ssh, FILE *f, const char *file,
                if (!*cp || *cp == '\n')
                        continue;
 
+               nonblank++;
                snprintf(loc, sizeof(loc), "%.200s:%lu", file, linenum);
                if (check_principals_line(ssh, cp, cert, loc, authoptsp) == 0)
                        found_principal = 1;
        }
+       debug2_f("%s: processed %lu/%lu lines", file, nonblank, linenum);
        free(line);
        return found_principal;
 }
@@ -716,7 +718,7 @@ check_authkeys_file(struct ssh *ssh, struct passwd *pw, FILE *f,
        char *cp, *line = NULL, loc[256];
        size_t linesize = 0;
        int found_key = 0;
-       u_long linenum = 0;
+       u_long linenum = 0, nonblank = 0;
 
        if (authoptsp != NULL)
                *authoptsp = NULL;
@@ -732,11 +734,14 @@ check_authkeys_file(struct ssh *ssh, struct passwd *pw, FILE *f,
                skip_space(&cp);
                if (!*cp || *cp == '\n' || *cp == '#')
                        continue;
+
+               nonblank++;
                snprintf(loc, sizeof(loc), "%.200s:%lu", file, linenum);
                if (check_authkey_line(ssh, pw, key, cp, loc, authoptsp) == 0)
                        found_key = 1;
        }
        free(line);
+       debug2_f("%s: processed %lu/%lu lines", file, nonblank, linenum);
        return found_key;
 }