Build without krb4 if it's unavailable.

[moira.git] / update / get_file.c

diff --git a/update/get_file.c b/update/get_file.c
index f92a52485692363c5c3963e68c277c7f1cd113b7..337947ac112b3d095184b980f7d720387379f52e 100644 (file)
--- a/update/get_file.c
+++ b/update/get_file.c
@@ -17,7 +17,9 @@
 #include <string.h>
 #include <unistd.h>
 
+#ifdef HAVE_KRB4
 #include <des.h>
+#endif
 
 RCSID("$Header$");
 
@@ -25,9 +27,11 @@ RCSID("$Header$");
 #define MIN(a, b)    (((a) < (b)) ? (a) : (b))
 #endif /* MIN */
 
+#ifdef HAVE_KRB4
 static des_key_schedule sched;
 static des_cblock ivec;
 extern des_cblock session;
+#endif
 
 static int get_block(int conn, int fd, int max_size, int encrypt);
 
@@ -123,8 +127,15 @@ int get_file(int conn, char *pathname, int file_size, int checksum,
 
   if (encrypt)
     {
+#ifdef HAVE_KRB4
       des_key_sched(session, sched);
       memcpy(ivec, session, sizeof(ivec));
+#else
+      /* The session key only gets stored if auth happens in krb4 to
+         begin with. If you don't have krb4, you can't possibly be
+         coming up with a valid session key. */
+      return MR_NO_KRB4;
+#endif
     }
 
   n_written = 0;
@@ -173,6 +184,7 @@ static int get_block(int conn, int fd, int max_size, int encrypt)
 
   if (encrypt)
     {
+#ifdef HAVE_KRB4
       char *unenc = malloc(len);
 
       if (!unenc)
@@ -186,6 +198,7 @@ static int get_block(int conn, int fd, int max_size, int encrypt)
        ivec[i] = data[len - 8 + i] ^ unenc[len - 8 + i];
       free(data);
       data = unenc;
+#endif
     }
 
   n_read = MIN(len, max_size);