X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ian/git?p=userv.git;a=blobdiff_plain;f=common.h;h=f385fc9573fb0d9eca948862e5017845a11b22f1;hp=2a2db41eb2c315b63ff26c0549b44ffca324f74a;hb=7100fe997822e4bd8fd8ab737858186694d741b6;hpb=db59ee1476515a65cfcca10a3059d8ccb2d24d32

diff --git a/common.h b/common.h
index 2a2db41..f385fc9 100644
--- a/common.h
+++ b/common.h
@@ -43,13 +43,13 @@ static const unsigned char protocolchecksumversion[PCSUMSIZE]= {
 #ifndef PIPEFORMAT
 # define PIPEFORMAT "%lx.%lx.%x"
 # define PIPEPATTERN "[0-9a-f]*.[0-9a-f]*.*[0-9a-f]"
-# define PIPEFORMATEXTEND (sizeof(unsigned long)*2*2+sizeof(int)*2+3)
-# define PIPEMAXLEN (sizeof(PIPEFORMAT)+PIPEFORMATEXTEND)
+# define PIPEFORMATEXTEND ((int)(sizeof(unsigned long)*2*2+(int)sizeof(int)*2+3))
+# define PIPEMAXLEN ((int)(sizeof(PIPEFORMAT)+PIPEFORMATEXTEND))
 #endif
 
 #ifndef PIPEPATHFORMAT
 # define PIPEPATHFORMAT VARDIR "/" PIPEFORMAT
-# define PIPEPATHMAXLEN (sizeof(PIPEPATHFORMAT)+PIPEFORMATEXTEND)
+# define PIPEPATHMAXLEN ((int)(sizeof(PIPEPATHFORMAT)+PIPEFORMATEXTEND))
 #endif
 
 #define MAX_ALLOW_FD 1024
@@ -77,15 +77,15 @@ enum {
 struct opening_msg {
   unsigned long magic;
   unsigned char protocolchecksumversion[PCSUMSIZE];
-  pid_t serverpid;
+  pid_t overlordpid, serverpid;
 };
 
 struct request_msg {
   unsigned long magic;
-  pid_t clientpid;
+  pid_t clientpid; /* or -1 if no service is required and this was a version check */
   int serviceuserlen;
   int servicelen;
-  int lognamelen;
+  int lognamelen, spoofed; /* spoofed is 0 or 1 */
   int cwdlen, overridelen;
   uid_t callinguid;
   int ngids, nreadfds, nwritefds, nargs, nvars;