test: comment out unused code

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


git-svn-id: svn://busybox.net/trunk/busybox@18302 69ca8d6d-28ef-0310-b511-8ec308f3f277

7 files changed, 62 insertions, 25 deletions

diff --git a/coreutils/test.c b/coreutils/test.c
index 813cde47c..d5babefce 100644
--- a/coreutils/test.c
+++ b/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
diff --git a/include/libbb.h b/include/libbb.h
index 794049df9..b802e01d3 100644
--- a/include/libbb.h
+++ b/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
 
 
diff --git a/ipsvd/ipsvd_perhost.c b/ipsvd/ipsvd_perhost.c
index 1c5c12af5..281f708b0 100644
--- a/ipsvd/ipsvd_perhost.c
+++ b/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 (p == -1) p = i;
+                if (!cc[i].ip) {
+                        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);
-                *hccpp = &cc[p];
+                cc[freepos].ip = ip;
+                *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;
                 }
diff --git a/ipsvd/ipsvd_perhost.h b/ipsvd/ipsvd_perhost.h
index 26b4063ea..cf08000e0 100644
--- a/ipsvd/ipsvd_perhost.h
+++ b/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);
diff --git a/ipsvd/tcpsvd.c b/ipsvd/tcpsvd.c
index 197edca4e..98234a78b 100644
--- a/ipsvd/tcpsvd.c
+++ b/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 *remote_ip = NULL;
+        char *local_ip = local_ip; /* gcc */
+        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) {
diff --git a/ipsvd/udpsvd.c b/ipsvd/udpsvd.c
index b3f60823f..06c4f2e88 100644
--- a/ipsvd/udpsvd.c
+++ b/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);
diff --git a/libbb/xconnect.c b/libbb/xconnect.c
index a331e6bc4..3c1eec943 100644
--- a/libbb/xconnect.c
+++ b/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;