- orphaned, outdated

[packages/arpwatch.git] / arpwatch-drop.patch

diff --git a/arpwatch-drop.patch b/arpwatch-drop.patch
deleted file mode 100644 (file)
index 916a4b1..0000000
--- a/arpwatch-drop.patch
+++ /dev/null
@@ -1,93 +0,0 @@
---- arpwatch-2.1a10/arpwatch.c Sat Oct 14 05:07:35 2000
-+++ arpwatch-2.1a10/arpwatch.c Sun Jun 10 16:22:57 2001
-@@ -62,7 +62,7 @@
- #include <string.h>
- #include <syslog.h>
- #include <unistd.h>
--
-+#include <pwd.h>
- #include <pcap.h>
- 
- #include "gnuc.h"
-@@ -141,6 +141,25 @@
- int   sanity_fddi(struct fddi_header *, struct ether_arp *, int);
- __dead        void usage(void) __attribute__((volatile));
- 
-+void dropprivileges(const char* user)
-+{
-+      struct passwd* pw;
-+      pw = getpwnam( user );
-+      if ( pw ) {
-+              if ( initgroups(pw->pw_name, NULL) != 0 || setgid(pw->pw_gid) != 0 ||
-+                               setuid(pw->pw_uid) != 0 ) {
-+                      syslog(LOG_ERR, "Couldn't change to '%.32s' uid=%d gid=%d", user,
-+                                               pw->pw_uid, pw->pw_gid);
-+                      exit(1);
-+              }
-+      }
-+      else {
-+              syslog(LOG_ERR, "Couldn't find user '%.32s' in /etc/passwd", user);
-+              exit(1);
-+      }
-+      syslog(LOG_DEBUG, "Running as uid=%d gid=%d", getuid(), getgid());
-+}
-+
- int
- main(int argc, char **argv)
- {
-@@ -153,6 +172,7 @@
-       register char *interface, *rfilename;
-       struct bpf_program code;
-       char errbuf[PCAP_ERRBUF_SIZE];
-+      char* serveruser = NULL;
- 
-       if (argv[0] == NULL)
-               prog = "arpwatch";
-@@ -170,7 +190,7 @@
-       interface = NULL;
-       rfilename = NULL;
-       pd = NULL;
--      while ((op = getopt(argc, argv, "df:i:n:Nr:")) != EOF)
-+      while ((op = getopt(argc, argv, "df:i:n:Nr:u:")) != EOF)
-               switch (op) {
- 
-               case 'd':
-@@ -202,6 +222,16 @@
-                       rfilename = optarg;
-                       break;
- 
-+              case 'u':
-+                      if ( optarg ) {
-+                              serveruser = strdup(optarg);
-+                      }
-+                      else {
-+                              fprintf(stderr, "%s: Need username after -u\n", prog);
-+                              usage();
-+                      }
-+                      break;
-+
-               default:
-                       usage();
-               }
-@@ -283,8 +313,11 @@
-        * Revert to non-privileged user after opening sockets
-        * (not needed on most systems).
-        */
--      setgid(getgid());
--      setuid(getuid());
-+      /*setgid(getgid());*/
-+      /*setuid(getuid());*/
-+      if ( serveruser ) {
-+              dropprivileges( serveruser );
-+      }
- 
-       /* Must be ethernet or fddi */
-       linktype = pcap_datalink(pd);
-@@ -751,6 +784,6 @@
- 
-       (void)fprintf(stderr, "Version %s\n", version);
-       (void)fprintf(stderr, "usage: %s [-dN] [-f datafile] [-i interface]"
--          " [-n net[/width]] [-r file]\n", prog);
-+          " [-n net[/width]] [-r file] [-u username]\n", prog);
-       exit(1);
- }