Changes to allow compilation under Solaris

4 files changed, 60 insertions, 14 deletions

diff --git a/ggsn/Makefile.am b/ggsn/Makefile.am
index d3bbcad..f80bc37 100644
--- a/ggsn/Makefile.am
+++ b/ggsn/Makefile.am
@@ -2,7 +2,7 @@ bin_PROGRAMS = ggsn
 
 LDFLAGS = -Wl,--rpath -Wl,/usr/local/lib @EXEC_LDFLAGS@
 
-CFLAGS = -O2 -D_GNU_SOURCE -fno-builtin -Wall -ansi -DSBINDIR='"$(sbindir)"' -ggdb -lgtp -L../gtp
+CFLAGS = -O2 -D_GNU_SOURCE -fno-builtin -Wall -DSBINDIR='"$(sbindir)"' -ggdb -lgtp -L../gtp
 
 ggsn_SOURCES = ggsn.c tun.c tun.h cmdline.c cmdline.h ippool.h ippool.c syserr.h syserr.c
 
diff --git a/ggsn/Makefile.in b/ggsn/Makefile.in
index f4a0da6..b8ed78b 100644
--- a/ggsn/Makefile.in
+++ b/ggsn/Makefile.in
@@ -90,7 +90,7 @@ bin_PROGRAMS = ggsn
 
 LDFLAGS = -Wl,--rpath -Wl,/usr/local/lib @EXEC_LDFLAGS@
 
-CFLAGS = -O2 -D_GNU_SOURCE -fno-builtin -Wall -ansi -DSBINDIR='"$(sbindir)"' -ggdb -lgtp -L../gtp
+CFLAGS = -O2 -D_GNU_SOURCE -fno-builtin -Wall -DSBINDIR='"$(sbindir)"' -ggdb -lgtp -L../gtp
 
 ggsn_SOURCES = ggsn.c tun.c tun.h cmdline.c cmdline.h ippool.h ippool.c syserr.h syserr.c
 subdir = ggsn
diff --git a/ggsn/ggsn.c b/ggsn/ggsn.c
index 25da64c..75a76a4 100644
--- a/ggsn/ggsn.c
+++ b/ggsn/ggsn.c
@@ -36,19 +36,15 @@
 #include <arpa/inet.h>
 #include <sys/wait.h>
 #include <sys/stat.h>
+#include <fcntl.h>
 #include <unistd.h>
 
 #include <sys/socket.h>  
 #include <sys/ioctl.h>
 #include <net/if.h>
-#include <features.h>
 
 #include <errno.h>
 
-#include <asm/types.h>
-#include <sys/socket.h>
-#include <linux/netlink.h> 
-
 #include <time.h>
 
 #include "tun.h"
@@ -88,10 +84,38 @@ void log_pid(char *pidfile) {
 	    "Failed to create process ID file: %s!", pidfile);
     return;
   }
-  fprintf(file, "%d\n", getpid());
+  fprintf(file, "%d\n", (int) getpid());
   fclose(file);
 }
 
+#ifdef __sun__
+int daemon(int nochdir, int noclose) {
+  int fd;
+
+  switch (fork()) {
+  case -1:
+    return (-1);
+  case 0:
+    break;
+  default:
+    _exit(0);
+  }
+
+  if (setsid() == -1)
+    return (-1);
+  
+  if (!nochdir) chdir("/");
+
+  if (!noclose && (fd = open("/dev/null", O_RDWR, 0)) != -1) {
+    dup2(fd, STDIN_FILENO);
+    dup2(fd, STDOUT_FILENO);
+    dup2(fd, STDERR_FILENO);
+    if (fd > 2) close (fd);
+  }
+  return (0);
+}
+#endif
+
 
 int encaps_printf(void *p, void *packet, unsigned len)
 {
@@ -192,7 +216,14 @@ int main(int argc, char **argv)
 
   /* open a connection to the syslog daemon */
   /*openlog(PACKAGE, LOG_PID, LOG_DAEMON);*/
+
+  /* TODO: Only use LOG__PERROR for linux */
+#ifdef __linux__
   openlog(PACKAGE, (LOG_PID | LOG_PERROR), LOG_DAEMON);
+#else
+  openlog(PACKAGE, (LOG_PID), LOG_DAEMON);
+#endif
+
 
   if (cmdline_parser (argc, argv, &args_info) != 0)
     exit(1);
diff --git a/ggsn/tun.c b/ggsn/tun.c
index 5b8cc95..2ad7cc9 100644
--- a/ggsn/tun.c
+++ b/ggsn/tun.c
@@ -43,19 +43,24 @@
 #include <sys/types.h>
 #include <sys/ioctl.h>
 #include <sys/socket.h>
-#include <linux/if.h>
 #include <errno.h>
-#include <linux/if_tun.h>
 #include <net/route.h>
 
+#ifdef __linux__
+#include <linux/if.h>
+#include <linux/if_tun.h>
 #include <linux/netlink.h>
 #include <linux/rtnetlink.h>
+#elif defined (__sun__)
+#include <net/if_tun.h>
+#endif
+
 
 #include "tun.h"
 #include "syserr.h"
 
 
-
+#ifdef __linux__
 int tun_nlattr(struct nlmsghdr *n, int nsize, int type, void *d, int dlen)
 {
   int len = RTA_LENGTH(dlen);
@@ -69,6 +74,7 @@ int tun_nlattr(struct nlmsghdr *n, int nsize, int type, void *d, int dlen)
   n->nlmsg_len = alen + len;
   return 0;
 }
+#endif
 
 int tun_gifindex(struct tun_t *this, int *index) {
   struct ifreq ifr;
@@ -118,7 +124,7 @@ int tun_sifflags(struct tun_t *this, int flags) {
 }
 
 
-/* Currently unused */
+/* Currently unused 
 int tun_addroute2(struct tun_t *this,
 		  struct in_addr *dst,
 		  struct in_addr *gateway,
@@ -208,16 +214,18 @@ int tun_addroute2(struct tun_t *this,
   req.n.nlmsg_seq = 0;
   req.n.nlmsg_flags |= NLM_F_ACK;
 
-  status = sendmsg(fd, &msg, 0);  /* TODO: Error check */
+  status = sendmsg(fd, &msg, 0);  * TODO: Error check *
   close(fd);
   return 0;
 }
-
+*/
 
 int tun_addaddr(struct tun_t *this,
 		struct in_addr *addr,
 		struct in_addr *dstaddr,
 		struct in_addr *netmask) {
+
+#ifdef __linux__
   struct {
     struct nlmsghdr 	n;
     struct ifaddrmsg 	i;
@@ -232,10 +240,16 @@ int tun_addaddr(struct tun_t *this,
   struct sockaddr_nl nladdr;
   struct iovec iov;
   struct msghdr msg;
+#endif
 
   if (!this->addrs) /* Use ioctl for first addr to make ping work */
     return tun_setaddr(this, addr, dstaddr, netmask);
 
+#ifndef __linux__
+  sys_err(LOG_ERR, __FILE__, __LINE__, errno,
+	  "Setting multiple addresses only possible on linux");
+  return -1;
+#else
   memset(&req, 0, sizeof(req));
   req.n.nlmsg_len = NLMSG_LENGTH(sizeof(struct ifaddrmsg));
   req.n.nlmsg_flags = NLM_F_REQUEST | NLM_F_CREATE;
@@ -315,6 +329,7 @@ int tun_addaddr(struct tun_t *this,
   close(fd);
   this->addrs++;
   return 0;
+#endif
 }