test: comment out unused code

udpsvd: fake it compile
tcpsvd: more optimal memorizing of IP's for -C

coreutils/test.c

@@ -168,9 +168,11 @@ static int binop(void);
 static arith_t primary(enum token n);
 static int filstat(char *nm, enum token mode);
 static arith_t getn(const char *s);
+/* UNUSED
 static int newerf(const char *f1, const char *f2);
 static int olderf(const char *f1, const char *f2);
 static int equalf(const char *f1, const char *f2);
+*/
 static int test_eaccess(char *path, int mode);
 static int is_a_group_member(gid_t gid);
 static void initialize_group_array(void);
@@ -490,6 +492,7 @@ static arith_t getn(const char *s)
 	return r;
 }
 
+/* UNUSED
 static int newerf(const char *f1, const char *f2)
 {
 	struct stat b1, b2;
@@ -514,6 +517,7 @@ static int equalf(const char *f1, const char *f2)
 			stat(f2, &b2) == 0 &&
 			b1.st_dev == b2.st_dev && b1.st_ino == b2.st_ino);
 }
+*/
 
 /* Do the same thing access(2) does, but use the effective uid and gid,
    and don't make the mistake of telling root that any file is

include/libbb.h

@@ -324,11 +324,12 @@ typedef struct len_and_sockaddr {
 /* Create stream socket, and allocated suitable lsa
  * (lsa of correct size and lsa->sa.sa_family (AF_INET/AF_INET6)) */
 int xsocket_stream(len_and_sockaddr **lsap);
-/* Create server TCP socket bound to bindaddr:port. bindaddr can be NULL,
+/* Create server socket bound to bindaddr:port. bindaddr can be NULL,
  * numeric IP ("N.N.N.N") or numeric IPv6 address,
  * and can have ":PORT" suffix (for IPv6 use "[X:X:...:X]:PORT").
  * If there is no suffix, port argument is used */
 int create_and_bind_stream_or_die(const char *bindaddr, int port);
+int create_and_bind_dgram_or_die(const char *bindaddr, int port);
 /* Create client TCP socket connected to peer:port. Peer cannot be NULL.
  * Peer can be numeric IP ("N.N.N.N"), numeric IPv6 address or hostname,
  * and can have ":PORT" suffix (for IPv6 use "[X:X:...:X]:PORT").
@@ -370,9 +371,9 @@ char* xmalloc_sockaddr2hostonly_noport(const struct sockaddr *sa, socklen_t sale
 char* xmalloc_sockaddr2dotted(const struct sockaddr *sa, socklen_t salen);
 char* xmalloc_sockaddr2dotted_noport(const struct sockaddr *sa, socklen_t salen);
 // "old" (ipv4 only) API
-// users: traceroute.c hostname.c
+// users: traceroute.c hostname.c - use _list_ of all IPs
 struct hostent *xgethostbyname(const char *name);
-// Also inetd.c and inetd.c are using gethostbyname(),
+// Also mount.c and inetd.c are using gethostbyname(),
 // + inet_common.c has additional IPv4-only stuff
 
 

ipsvd/ipsvd_perhost.c

@@ -22,26 +22,26 @@ void ipsvd_perhost_init(unsigned c)
 	cclen = c;
 }
 
-unsigned ipsvd_perhost_add(const char *ip, unsigned maxconn, struct hcc **hccpp)
+unsigned ipsvd_perhost_add(char *ip, unsigned maxconn, struct hcc **hccpp)
 {
 	unsigned i;
 	unsigned conn = 1;
-	int p = -1;
+	int freepos = -1;
 
 	for (i = 0; i < cclen; ++i) {
-		if (cc[i].ip[0] == 0) {
+		if (!cc[i].ip) {
-			if (p == -1) p = i;
+			freepos = i;
     			continue;
 		}
-		if (strncmp(cc[i].ip, ip, sizeof(cc[i].ip)) == 0) {
+		if (strcmp(cc[i].ip, ip) == 0) {
 			conn++;
 			continue;
 		}
 	}
-	if (p == -1) return 0;
+	if (freepos == -1) return 0;
 	if (conn <= maxconn) {
-		strcpy(cc[p].ip, ip);
+		cc[freepos].ip = ip;
-		*hccpp = &cc[p];
+		*hccpp = &cc[freepos];
 	}
 	return conn;
 }
@@ -51,7 +51,8 @@ void ipsvd_perhost_remove(int pid)
 	unsigned i;
 	for (i = 0; i < cclen; ++i) {
 		if (cc[i].pid == pid) {
-			cc[i].ip[0] = 0;
+			free(cc[i].ip);
+			cc[i].ip = NULL;
 			cc[i].pid = 0;
 			return;
 		}

ipsvd/ipsvd_perhost.h

@@ -8,12 +8,22 @@
  */
 
 struct hcc {
-        char ip[32 - sizeof(int)];
+        char *ip;
         int pid;
 };
 
 void ipsvd_perhost_init(unsigned);
-unsigned ipsvd_perhost_add(const char *ip, unsigned maxconn, struct hcc **hccpp);
+
+/* Returns number of already opened connects to this ips, including this one.
+ * ip should be a malloc'ed ptr.
+ * If return value is <= maxconn, ip is inserted into the table
+ * and pointer to table entry if stored in *hccpp
+ * (useful for storing pid later).
+ * Else ip is NOT inserted (you must take care of it - free() etc) */
+unsigned ipsvd_perhost_add(char *ip, unsigned maxconn, struct hcc **hccpp);
+
+/* Finds and frees element with pid */
 void ipsvd_perhost_remove(int pid);
+
 //unsigned ipsvd_perhost_setpid(int pid);
 //void ipsvd_perhost_free(void);

ipsvd/tcpsvd.c

@@ -128,8 +128,8 @@ int tcpsvd_main(int argc, char **argv)
 	uint16_t remote_port;
 	char *local_hostname = NULL;
 	char *remote_hostname = (char*)""; /* "" used if no -h */
-	char *local_ip = local_ip;
+	char *local_ip = local_ip; /* gcc */
-	char *remote_ip = NULL;
+	char *remote_ip = remote_ip; /* gcc */
 	//unsigned iscdb = 0;		/* = option_mask32 & OPT_x (TODO) */
 	//unsigned long timeout = 0;
 #ifndef SSLSVD
@@ -271,10 +271,10 @@ int tcpsvd_main(int argc, char **argv)
 	if (max_per_host) {
 		/* we drop connection immediately if cur_per_host > max_per_host
 		 * (minimizing load under SYN flood) */
-		free(remote_ip);
 		remote_ip = xmalloc_sockaddr2dotted_noport(&sock_adr.sa, sockadr_size);
 		cur_per_host = ipsvd_perhost_add(remote_ip, max_per_host, &hccp);
 		if (cur_per_host > max_per_host) {
+			free(remote_ip);
 			/* ipsvd_perhost_add detected that max is exceeded
 			 * (and did not store us in connection table) */
 			if (msg_per_host) {

ipsvd/udpsvd.c

@@ -42,9 +42,9 @@ int udpsvd_main(int argc, char **argv)
 //	unsigned long timeout = 0;
 
 	char *remote_hostname;
-	char *local_hostname;
+	char *local_hostname = local_hostname; /* gcc */
 	char *remote_ip;
-	char *local_ip;
+	char *local_ip = local_ip; /* gcc */
 	uint16_t local_port, remote_port;
 	union {
 		struct sockaddr sa;
@@ -145,6 +145,11 @@ int udpsvd_main(int argc, char **argv)
 /*	if (recvfrom(sock, 0, 0, MSG_PEEK, (struct sockaddr *)&sock_adr, &sockadr_size) == -1)
 		drop("unable to read from socket");
 */
+	if (verbose) {
+		local_ip = argv[0]; // TODO: recv_from_to!
+		local_hostname = (char*)"localhost";
+	}
+
 	remote_ip = xmalloc_sockaddr2dotted_noport(&sock_adr.sa, sockadr_size);
 	remote_port = get_nport(&sock_adr.sa);
 	remote_port = ntohs(remote_port);

libbb/xconnect.c

@@ -208,7 +208,7 @@ len_and_sockaddr* xdotted2sockaddr(const char *host, int port)
 	return str2sockaddr(host, port, AF_UNSPEC, AI_NUMERICHOST | DIE_ON_ERROR);
 }
 
-int xsocket_stream(len_and_sockaddr **lsap)
+static int xsocket_type(len_and_sockaddr **lsap, int sock_type)
 {
 	len_and_sockaddr *lsa;
 	int fd;
@@ -216,14 +216,14 @@ int xsocket_stream(len_and_sockaddr **lsap)
 	int family = AF_INET;
 
 #if ENABLE_FEATURE_IPV6
-	fd = socket(AF_INET6, SOCK_STREAM, 0);
+	fd = socket(AF_INET6, sock_type, 0);
 	if (fd >= 0) {
 		len = sizeof(struct sockaddr_in6);
 		family = AF_INET6;
 	} else
 #endif
 	{
-		fd = xsocket(AF_INET, SOCK_STREAM, 0);
+		fd = xsocket(AF_INET, sock_type, 0);
 	}
 	lsa = xzalloc(offsetof(len_and_sockaddr, sa) + len);
 	lsa->len = len;
@@ -232,7 +232,12 @@ int xsocket_stream(len_and_sockaddr **lsap)
 	return fd;
 }
 
-int create_and_bind_stream_or_die(const char *bindaddr, int port)
+int xsocket_stream(len_and_sockaddr **lsap)
+{
+	return xsocket_type(lsap, SOCK_STREAM);
+}
+
+static int create_and_bind_or_die(const char *bindaddr, int port, int sock_type)
 {
 	int fd;
 	len_and_sockaddr *lsa;
@@ -240,9 +245,9 @@ int create_and_bind_stream_or_die(const char *bindaddr, int port)
 	if (bindaddr && bindaddr[0]) {
 		lsa = xdotted2sockaddr(bindaddr, port);
 		/* user specified bind addr dictates family */
-		fd = xsocket(lsa->sa.sa_family, SOCK_STREAM, 0);
+		fd = xsocket(lsa->sa.sa_family, sock_type, 0);
 	} else {
-		fd = xsocket_stream(&lsa);
+		fd = xsocket_type(&lsa, sock_type);
 		set_nport(lsa, htons(port));
 	}
 	setsockopt_reuseaddr(fd);
@@ -251,6 +256,17 @@ int create_and_bind_stream_or_die(const char *bindaddr, int port)
 	return fd;
 }
 
+int create_and_bind_stream_or_die(const char *bindaddr, int port)
+{
+	return create_and_bind_or_die(bindaddr, port, SOCK_STREAM);
+}
+
+int create_and_bind_dgram_or_die(const char *bindaddr, int port)
+{
+	return create_and_bind_or_die(bindaddr, port, SOCK_DGRAM);
+}
+
+
 int create_and_connect_stream_or_die(const char *peer, int port)
 {
 	int fd;