Use a stricter set of warnings; make them all pass.

svn:r2645
2024-11-10 05:03:43 +01:00 · 2004-11-02 03:02:17 +00:00 · 2004-11-02 03:02:17 +00:00 · ad4dc74482
commit ad4dc74482
parent 85c79ffbc7
13 changed files with 64 additions and 70 deletions
--- a/configure.in
+++ b/configure.in
@ -5,8 +5,6 @@ AM_CONFIG_HEADER(orconfig.h)

 AC_CANONICAL_HOST

-CFLAGS="$CFLAGS -Wall -g -O2"
-
 if test -f /etc/redhat-release; then
    CFLAGS="$CFLAGS -I/usr/kerberos/include"
 fi
@ -233,6 +231,13 @@ AC_SUBST(BINDIR)
 LOCALSTATEDIR=`eval echo $localstatedir`
 AC_SUBST(LOCALSTATEDIR)

+# Set CFLAGS _after_ all the above checks, since our warnings are stricter
+# than autoconf's macros like.
+CFLAGS="$CFLAGS -Wall -W -Wno-unused-parameter -Wfloat-equal -Wdeclaration-after-statement -Wundef -Wendif-labels -Wpointer-arith -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -Wredundant-decls -g -O2"
+
+# Add these in when you feel like fun.
+# -Wbad-function-cast -Werror
+
 echo "confdir: $CONFDIR"

 AC_OUTPUT(Makefile contrib/tor.sh contrib/torify contrib/Makefile src/config/torrc.sample doc/tor.1 src/Makefile doc/Makefile doc/design-paper/Makefile src/config/Makefile src/common/Makefile src/or/Makefile src/win32/Makefile src/tools/Makefile)
--- a/src/common/crypto.c
+++ b/src/common/crypto.c
@ -93,6 +93,13 @@ struct crypto_dh_env_t {
  DH *dh;
 };

+/* Prototypes for functions only used by tortls.c */
+crypto_pk_env_t *_crypto_new_pk_env_rsa(RSA *rsa);
+RSA *_crypto_pk_env_get_rsa(crypto_pk_env_t *env);
+EVP_PKEY *_crypto_pk_env_get_evp_pkey(crypto_pk_env_t *env, int private);
+DH *_crypto_dh_env_get_dh(crypto_dh_env_t *dh);
+
+
 /** Return the number of bytes added by padding method <b>padding</b>.
 */
 static INLINE int
--- a/src/common/fakepoll.c
+++ b/src/common/fakepoll.c
@ -26,12 +26,6 @@
 #ifdef HAVE_SYS_TIME_H
 #include <sys/time.h>
 #endif
-#if _MSC_VER > 1300
-#include <winsock2.h>
-#include <ws2tcpip.h>
-#elif defined(_MSC_VER)
-#include <winsock.h>
-#endif

 #include <assert.h>
 #include <stdlib.h>
--- a/src/common/test.h
+++ b/src/common/test.h
@ -108,7 +108,7 @@ extern int have_failed;

 #define test_memeq(expr1, expr2, len)                           \
  STMT_BEGIN                                                    \
-    void *v1=(expr1), *v2=(expr2);                              \
+    const void *v1=(expr1), *v2=(expr2);                        \
    if(!memcmp(v1,v2,(len))) { printf("."); fflush(stdout); } else {  \
    have_failed = 1;                                            \
    printf("\nFile %s: line %d (%s): Assertion failed: (%s==%s)\n", \
--- a/src/or/connection.c
+++ b/src/or/connection.c
@ -83,6 +83,7 @@ static int connection_finished_flushing(connection_t *conn);
 static int connection_finished_connecting(connection_t *conn);
 static int connection_read_to_buf(connection_t *conn);
 static int connection_process_inbuf(connection_t *conn);
+static int connection_bucket_read_limit(connection_t *conn);

 /**************************************************************/

@ -642,7 +643,7 @@ int retry_all_listeners(int force) {
 extern int global_read_bucket, global_write_bucket;

 /** How many bytes at most can we read onto this connection? */
-int connection_bucket_read_limit(connection_t *conn) {
+static int connection_bucket_read_limit(connection_t *conn) {
  int at_most;

  /* do a rudimentary round-robin so one circuit can't hog a connection */
--- a/src/or/dirserv.c
+++ b/src/or/dirserv.c
@ -24,6 +24,8 @@ static int list_server_status(char **running_routers_out,
                              char **router_status_out);
 static void directory_remove_unrecognized(void);
 static int dirserv_regenerate_directory(void);
+/* Should be static; exposed for testing */
+void add_fingerprint_to_dir(const char *nickname, const char *fp);

 /************** Fingerprint handling code ************/

--- a/src/or/main.c
+++ b/src/or/main.c
@ -1019,7 +1019,7 @@ static int network_init(void)

 /** Called by exit() as we shut down the process.
 */
-void exit_function(void)
+static void exit_function(void)
 {
 /* XXX if we ever daemonize, this gets called immediately */
 #ifdef MS_WINDOWS
@ -1096,7 +1096,7 @@ void tor_cleanup(void) {
 }

 /** Read/create keys as needed, and echo our fingerprint to stdout. */
-void do_list_fingerprint(void)
+static void do_list_fingerprint(void)
 {
  char buf[FINGERPRINT_LEN+1];
  crypto_pk_env_t *k;
--- a/src/or/or.h
+++ b/src/or/or.h
@ -1038,13 +1038,6 @@ circuit_t *circuit_launch_by_identity(uint8_t purpose, const char *exit_digest);
 void circuit_reset_failure_count(int timeout);
 int connection_ap_handshake_attach_circuit(connection_t *conn);

-int circuit_init_cpath_crypto(crypt_path_t *cpath, char *key_data,int reverse);
-int circuit_finish_handshake(circuit_t *circ, char *reply);
-int circuit_truncated(circuit_t *circ, crypt_path_t *layer);
-
-void assert_cpath_layer_ok(const crypt_path_t *c);
-void assert_circuit_ok(const circuit_t *c);
-
 /********************************* command.c ***************************/

 void command_process_cell(cell_t *cell, connection_t *conn);
@ -1271,6 +1264,8 @@ int proxy_mode(void);
 void handle_signals(int is_parent);
 void tor_cleanup(void);

+int tor_main(int argc, char *argv[]);
+
 /********************************* onion.c ***************************/

 int onion_pending_add(circuit_t *circ);
--- a/src/or/relay.c
+++ b/src/or/relay.c
@ -30,9 +30,6 @@ circuit_resume_edge_reading_helper(connection_t *conn,
                                   crypt_path_t *layer_hint);
 static int
 circuit_consider_stop_edge_reading(circuit_t *circ, crypt_path_t *layer_hint);
-void connection_edge_consider_sending_sendme(connection_t *conn);
-
-

 /** Stats: how many relay cells have originated at this hop, or have
 * been relayed onward (not recognized at this hop)?
--- a/src/or/routerlist.c
+++ b/src/or/routerlist.c
@ -737,7 +737,8 @@ void router_mark_as_down(const char *digest) {
 * will either be inserted into the routerlist or freed.  Returns 0 if the
 * router was added; -1 if it was not.
 */
-int router_add_to_routerlist(routerinfo_t *router) {
+static int
+router_add_to_routerlist(routerinfo_t *router) {
  int i;
  routerinfo_t *r;
  char id_digest[DIGEST_LEN];
--- a/src/or/routerparse.c
+++ b/src/or/routerparse.c
@ -139,6 +139,8 @@ static int check_directory_signature(const char *digest,
                                     crypto_pk_env_t *pkey,
                                     crypto_pk_env_t *declared_key);
 static crypto_pk_env_t *find_dir_signing_key(const char *str);
+/* static */ int is_obsolete_version(const char *myversion,
+                                     const char *versionlist);

 /** Set <b>digest</b> to the SHA-1 digest of the hash of the directory in
 * <b>s</b>.  Return 0 on success, nonzero on failure.
--- a/src/or/test.c
+++ b/src/or/test.c
@ -23,27 +23,11 @@ int have_failed = 0;
 /* These functions are file-local, but are exposed so we can test. */
 void add_fingerprint_to_dir(const char *nickname, const char *fp);
 void get_platform_str(char *platform, size_t len);
-
-void
-dump_hex(char *s, size_t len)
-{
-  static const char TABLE[] = "0123456789ABCDEF";
-  unsigned char *d = s;
-  size_t i;
-  int j, nyb;
-  for(i=0;i<len;++i) {
-    for (j=1;j>=0;--j) {
-      nyb = (((int) d[i]) >> (j*4)) & 0x0f;
-      tor_assert(0 <= nyb);
-      tor_assert(nyb <= 15);
-      putchar(TABLE[nyb]);
-    }
-  }
-}
+int is_obsolete_version(const char *myversion, const char *start);

 static char temp_dir[256];

-void
+static void
 setup_directory(void)
 {
  static int is_setup = 0;
@ -64,7 +48,7 @@ setup_directory(void)
  is_setup = 1;
 }

-const char *
+static const char *
 get_fname(const char *name)
 {
  static char buf[1024];
@ -73,7 +57,7 @@ get_fname(const char *name)
  return buf;
 }

-void
+static void
 remove_directory(void)
 {
  DIR *dirp;
@ -97,7 +81,7 @@ remove_directory(void)
  rmdir(temp_dir);
 }

-void
+static void
 test_buffers(void) {
 #define MAX_BUF_SIZE 1024*1024
  char str[256];
@ -223,7 +207,7 @@ test_buffers(void) {
  buf_free(buf);
 }

-void
+static void
 test_crypto_dh(void)
 {
  crypto_dh_env_t *dh1, *dh2;
@ -258,7 +242,7 @@ test_crypto_dh(void)
  crypto_dh_free(dh2);
 }

-void
+static void
 test_crypto(void)
 {
  crypto_cipher_env_t *env1, *env2;
@ -494,7 +478,7 @@ test_crypto(void)
  free(data3);
 }

-void
+static void
 test_util(void) {
  struct timeval start, end;
  struct tm a_time;
@ -694,7 +678,7 @@ test_util(void) {
  smartlist_free(sl);
 }

-void
+static void
 test_gzip(void)
 {
  char *buf1, *buf2=NULL, *buf3=NULL;
@ -729,7 +713,8 @@ test_gzip(void)
  tor_free(buf1);
 }

-static void* _squareAndRemoveK4(const char *key, void*val, void *data)
+static void * 
+_squareAndRemoveK4(const char *key, void*val, void *data)
 {
  int *ip = (int*)data;
  intptr_t v;
@ -741,7 +726,8 @@ static void* _squareAndRemoveK4(const char *key, void*val, void *data)
  return (void*)(v*v);
 }

-void test_strmap(void)
+static void
+test_strmap(void)
 {
  strmap_t *map;
  strmap_iter_t *iter;
@ -815,7 +801,8 @@ void test_strmap(void)
  strmap_free(map,NULL);
 }

-void test_onion(void)
+static void 
+test_onion(void)
 {
 #if 0
  char **names;
@ -833,7 +820,7 @@ void test_onion(void)
 #endif
 }

-void
+static void
 test_onion_handshake(void)
 {
  /* client-side */
@ -876,10 +863,8 @@ test_onion_handshake(void)
  crypto_free_pk_env(pk);
 }

-/* from routerparse.c */
-int is_obsolete_version(const char *myversion, const char *start);

-void
+static void
 test_dir_format(void)
 {
  char buf[8192], buf2[8192];
@ -925,7 +910,7 @@ test_dir_format(void)
  get_platform_str(platform, sizeof(platform));
  memset(&r1,0,sizeof(r1));
  memset(&r2,0,sizeof(r2));
-  r1.address = "testaddr1.foo.bar";
+  r1.address = tor_strdup("testaddr1.foo.bar");
  r1.addr = 0xc0a80001u; /* 192.168.0.1 */
  r1.published_on = 0;
  r1.or_port = 9000;
@ -937,7 +922,7 @@ test_dir_format(void)
  r1.bandwidthburst = 5000;
  r1.bandwidthcapacity = 10000;
  r1.exit_policy = NULL;
-  r1.nickname = "Magri";
+  r1.nickname = tor_strdup("Magri");
  r1.platform = tor_strdup(platform);

  ex1.policy_type = EXIT_POLICY_ACCEPT;
@ -951,7 +936,7 @@ test_dir_format(void)
  ex2.msk = 0xFF000000u;
  ex2.prt_min = ex2.prt_max = 24;
  ex2.next = NULL;
-  r2.address = "tor.tor.tor";
+  r2.address = tor_strdup("tor.tor.tor");
  r2.addr = 0x0a030201u; /* 10.3.2.1 */
  r2.platform = tor_strdup(platform);
  r2.published_on = 5;
@ -962,7 +947,7 @@ test_dir_format(void)
  r2.identity_pkey = pk1;
  r2.bandwidthrate = r2.bandwidthburst = r2.bandwidthcapacity = 3000;
  r2.exit_policy = &ex1;
-  r2.nickname = "Fred";
+  r2.nickname = tor_strdup("Fred");

  bw_lines = rep_hist_get_bandwidth_lines();
  test_assert(bw_lines);
@ -1062,7 +1047,7 @@ test_dir_format(void)
  test_assert(router_dump_router_to_string(buf, 2048, &r2, pk1)>0);
  cp = buf;
  test_eq(dirserv_add_descriptor((const char**)&cp), 1);
-  options.Nickname = "DirServer";
+  options.Nickname = tor_strdup("DirServer");
  test_assert(!dirserv_dump_directory_to_string(buf,8192,pk3));
  cp = buf;
  test_assert(!router_parse_routerlist_from_directory(buf, &dir1, pk3, 1));
@ -1128,7 +1113,8 @@ test_dir_format(void)

 }

-void test_rend_fns(void)
+static void
+test_rend_fns(void)
 {
  char address1[] = "fooaddress.onion";
  char address2[] = "aaaaaaaaaaaaaaaa.onion";
@ -1182,7 +1168,7 @@ main(int c, char**v){
  atexit(remove_directory);

 //  puts("========================== Buffers =========================");
-//  test_buffers();
+  if (0) test_buffers();
  puts("\n========================== Crypto ==========================");
  // add_stream_log(LOG_DEBUG, LOG_ERR, "<stdout>", stdout);
  test_crypto();
--- a/src/tools/tor-resolve.c
+++ b/src/tools/tor-resolve.c
@ -44,9 +44,10 @@
  do { log_fn(LOG_ERR, "Error while %s: %s", act,           \
              tor_socket_strerror(tor_socket_errno(_s))); } while(0)

-int build_socks4a_resolve_request(char **out,
-                                  const char *username,
-                                  const char *hostname)
+static int 
+build_socks4a_resolve_request(char **out,
+			      const char *username,
+			      const char *hostname)
 {
  size_t len;
  tor_assert(out);
@ -65,8 +66,9 @@ int build_socks4a_resolve_request(char **out,
  return len;
 }

-int parse_socks4a_resolve_response(const char *response, size_t len,
-                                   uint32_t *addr_out)
+static int 
+parse_socks4a_resolve_response(const char *response, size_t len,
+			       uint32_t *addr_out)
 {
  uint8_t status;
  tor_assert(response);
@ -86,8 +88,9 @@ int parse_socks4a_resolve_response(const char *response, size_t len,
  return 0;
 }

-int do_resolve(const char *hostname, uint32_t sockshost, uint16_t socksport,
-               uint32_t *result_addr)
+static int 
+do_resolve(const char *hostname, uint32_t sockshost, uint16_t socksport,
+	   uint32_t *result_addr)
 {
  int s;
  struct sockaddr_in socksaddr;
@ -149,7 +152,8 @@ int do_resolve(const char *hostname, uint32_t sockshost, uint16_t socksport,
  return 0;
 }

-void usage(void)
+static void 
+usage(void)
 {
  puts("Syntax: tor-resolve [-v] hostname [sockshost:socksport]");
  exit(1);