Applied Open/Solaris patch

CHANGELOG

@@ -11,6 +11,7 @@ CHANGES:
 		Debian bug #477692 by Vincent Bernat, controlled by -s switch
 	- Applied a security patch from Andrew Griffiths, use setgroups() to
 		limit the groups of the user
+	- Applied a patch to make iodine work on (Open)Solaris, from Albert Lee
 
 2007-11-30: 0.4.1 "Tea Online"
 	- Introduced encoding API

src/common.c

@@ -1,4 +1,5 @@
 /* Copyright (c) 2006-2007 Bjorn Andersson <flex@kryo.se>, Erik Ekman <yarrick@kryo.se>
+ * Copyright (c) 2007 Albert Lee <trisk@acm.jhu.edu>.
  *
  * Permission to use, copy, modify, and distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
@@ -21,6 +22,8 @@
 #endif
 #include <time.h>
 #include <err.h>
+#include <sys/types.h>
+#include <sys/param.h>
 #include <sys/stat.h>
 #include <stdio.h>
 #include <stdint.h>
@@ -29,10 +32,48 @@
 #include <unistd.h>
 #include <string.h>
 #include <ctype.h>
+#include <fcntl.h>
 #include <termios.h>
 
 #include "common.h"
 
+/* daemon(3) exists only in 4.4BSD or later, and in GNU libc */
+#if !(defined(BSD) && (BSD >= 199306)) && !defined(__GLIBC__)
+static int daemon(int nochdir, int noclose)
+{
+ 	int fd, i;
+ 
+ 	switch (fork()) {
+ 		case 0:
+ 			break;
+ 		case -1:
+ 			return -1;
+ 		default:
+ 			_exit(0);
+ 	}
+ 
+ 	if (!nochdir) {
+ 		chdir("/");
+ 	}
+ 
+ 	if (setsid() < 0) {
+ 		return -1;
+ 	}
+ 	
+ 	if (!noclose) {
+ 		if (fd = open("/dev/null", O_RDWR) >= 0) {
+ 			for (i = 0; i < 3; i++) {
+ 				dup2(fd, i);
+ 			}
+ 			if (fd > 2) {
+ 				close(fd);
+ 			}
+ 		}
+ 	}
+	return 0;
+}
+#endif
+
 int 
 open_dns(int localport, in_addr_t listen_ip) 
 {

src/iodine.c

@@ -23,6 +23,7 @@
 #include <netdb.h>
 #include <netinet/in.h>
 #include <sys/types.h>
+#include <sys/param.h>
 #include <sys/time.h>
 #include <sys/socket.h>
 #include <fcntl.h>
@@ -77,6 +78,10 @@ static struct encoder *dataenc;
 /* result of case preservation check done after login */
 static int case_preserved;
 
+#if !defined(BSD) && !defined(__GLIBC__)
+static char *__progname;
+#endif
+
 static void
 sighandler(int sig) 
 {
@@ -634,6 +639,14 @@ main(int argc, char **argv)
 	b32 = get_base32_encoder();
 	dataenc = get_base32_encoder();
 	
+#if !defined(BSD) && !defined(__GLIBC__)
+	__progname = strrchr(argv[0], '/');
+	if (__progname == NULL)
+		__progname = argv[0];
+	else
+		__progname++;
+#endif
+
 	while ((choice = getopt(argc, argv, "vfhu:t:d:P:")) != -1) {
 		switch(choice) {
 		case 'v':

src/iodined.c

@@ -21,6 +21,7 @@
 #include <signal.h>
 #include <unistd.h>
 #include <sys/types.h>
+#include <sys/param.h>
 #include <sys/time.h>
 #include <sys/socket.h>
 #include <fcntl.h>
@@ -51,6 +52,10 @@ static struct encoder *b32;
 static int my_mtu;
 static in_addr_t my_ip;
 
+#if !defined(BSD) && !defined(__GLIBC__)
+static char *__progname;
+#endif
+
 static int read_dns(int, struct query *, char *, int);
 static void write_dns(int, struct query *, char *, int);
 
@@ -462,6 +467,14 @@ main(int argc, char **argv)
 
 	b32 = get_base32_encoder();
 
+#if !defined(BSD) && !defined(__GLIBC__)
+	__progname = strrchr(argv[0], '/');
+	if (__progname == NULL)
+		__progname = argv[0];
+	else
+		__progname++;
+#endif
+
 	memset(password, 0, sizeof(password));
 	srand(time(NULL));