implemented config.h

[netatalk.git] / etc / papd / lp.c

diff --git a/etc/papd/lp.c b/etc/papd/lp.c
index 60ae548c8aedf73680f6dc4da6bab0ddeaddf796..fbfc2be916fa2756c7921e0746f45dfb6d77a7d4 100644 (file)
--- a/etc/papd/lp.c
+++ b/etc/papd/lp.c
@@ -39,6 +39,10 @@
  * Interface to lpr system.
  */
 
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
 #include <sys/param.h>
 #include <sys/syslog.h>
 #include <sys/time.h>
@@ -65,12 +69,15 @@
 #include <string.h>
 #include <netdb.h>
 #include <fcntl.h>
+#include <pwd.h>
 
 #include "printer.h"
 #include "file.h"
 
 char   hostname[ MAXHOSTNAMELEN ];
 
+extern struct sockaddr_at *sat;
+
 /* initialize printing interface */
 int    lp_init();
 /* cancel current job */
@@ -166,23 +173,67 @@ lp_job( job )
     *q = '\0';
 }
 
-lp_init( out )
+lp_init( out, sat )
     struct papfile     *out;
+    struct sockaddr_at *sat;
 {
     int                fd, n, len;
     char       *cp, buf[ BUFSIZ ];
     struct stat        st;
+    int                authenticated = 0;
 #ifdef ABS_PRINT
     char       cost[ 22 ];
     char       balance[ 22 ];
 #endif ABS_PRINT
+#if defined( CAPDIR ) || defined( USE_CAP )
+    char       username[32];
+    int                addr_net, addr_node;
+    FILE       *cap_file;
+    struct stat        cap_st;
+    char       addr_filename[256];
+#endif /* CAPDIR */
 
     if ( printer->p_flags & P_AUTH ) {
-       if ( lp.lp_person == NULL ) {
+       authenticated = 0;
+#ifdef CAPDIR
+       if ( printer->p_flags & P_AUTH_CAP ) {
+           addr_net = ntohs( sat->sat_addr.s_net );
+           addr_node  = sat->sat_addr.s_node;
+           sprintf(addr_filename, "%s/net%d.%dnode%d", CAPDIR, addr_net/256, addr_net%256, addr_node);
+           if (stat(addr_filename, &cap_st) == 0) {
+               if ((cap_file = fopen(addr_filename, "r")) != NULL) {
+                   if (fscanf(cap_file, "%s", username) != EOF) {
+                       if (getpwnam(username) != NULL ) {
+                           syslog(LOG_INFO, "CAP authenticated %s", username);
+                           lp_person(username);
+                           authenticated = 1;
+                       } else {
+                           syslog(LOG_INFO, "CAP error: invalid username: '%s'", username);
+                       }
+                   } else {
+                       syslog(LOG_INFO, "CAP error: could not read username");
+                   }
+               } else {
+                   syslog(LOG_INFO, "CAP error: %m");
+               }
+           } else {
+               syslog(LOG_INFO, "CAP error: %m");
+           }
+       }
+#endif /* CAPDIR */
+
+       if ( printer->p_flags & P_AUTH_PSSP ) {
+           if ( lp.lp_person != NULL ) {
+               authenticated = 1;
+           }
+       }
+
+       if ( authenticated == 0 ) {
            syslog( LOG_ERR, "lp_init: must authenticate" );
            spoolerror( out, "Authentication required." );
            return( -1 );
        }
+
 #ifdef ABS_PRINT
        if (( printer->p_flags & P_ACCOUNT ) && printer->p_pagecost > 0 &&
                ! ABS_canprint( lp.lp_person, printer->p_role,
@@ -263,13 +314,15 @@ lp_init( out )
     return( 0 );
 }
 
-lp_open( out )
+lp_open( out, sat )
     struct papfile     *out;
+    struct sockaddr_at *sat;
 {
     char       name[ MAXPATHLEN ];
     int                fd;
+    struct passwd      *pwent;
 
-    if (( lp.lp_flags & LP_INIT ) == 0 && lp_init( out ) != 0 ) {
+    if (( lp.lp_flags & LP_INIT ) == 0 && lp_init( out, sat ) != 0 ) {
        return( -1 );
     }
     if ( lp.lp_flags & LP_OPEN ) {
@@ -279,6 +332,15 @@ lp_open( out )
 
     if ( lp.lp_flags & LP_PIPE ) {
        /* go right to program */
+       if (lp.lp_person != NULL) {
+           if((pwent = getpwnam(lp.lp_person)) != NULL) {
+               if(setreuid(pwent->pw_uid, pwent->pw_uid) != 0) {
+                   syslog(LOG_INFO, "setreuid error: %m");
+               }
+           } else {
+               syslog(LOG_INFO, "Error getting username (%s)", lp.lp_person);
+           }
+       }
        if (( lp.lp_stream = popen( printer->p_printer, "w" )) == NULL ) {
            syslog( LOG_ERR, "lp_open popen %s: %m", printer->p_printer );
            spoolerror( out, NULL );