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-rw-r--r--lib/erl_interface/configure.in8
-rw-r--r--lib/erl_interface/doc/src/ei_connect.xml6
-rw-r--r--lib/erl_interface/src/connect/ei_connect.c22
-rw-r--r--lib/erl_interface/src/connect/ei_resolve.c4
-rw-r--r--lib/erl_interface/src/epmd/epmd_port.c6
-rw-r--r--lib/erl_interface/src/misc/ei_portio.c2
-rw-r--r--lib/erl_interface/src/prog/erl_call.c134
-rw-r--r--lib/erl_interface/test/ei_accept_SUITE.erl42
-rw-r--r--lib/erl_interface/test/ei_connect_SUITE.erl7
9 files changed, 156 insertions, 75 deletions
diff --git a/lib/erl_interface/configure.in b/lib/erl_interface/configure.in
index 7728cb97be..72ac8c7bbf 100644
--- a/lib/erl_interface/configure.in
+++ b/lib/erl_interface/configure.in
@@ -288,13 +288,7 @@ case "$threads_disabled" in
;;
win32_threads)
EI_THREADS="true"
- AC_MSG_CHECKING([for __declspec(thread) usability])
- if test "X$GCC" = "Xyes"; then
- AC_MSG_RESULT([no])
- else
- THR_DEFS="$THR_DEFS -DUSE_DECLSPEC_THREAD"
- AC_MSG_RESULT([yes])
- fi
+ THR_DEFS="$THR_DEFS -D_WIN32_WINNT=0x0500 -DWINVER=0x0500"
;;
pthread)
EI_THREADS="true"
diff --git a/lib/erl_interface/doc/src/ei_connect.xml b/lib/erl_interface/doc/src/ei_connect.xml
index 16439510cc..f562615ddd 100644
--- a/lib/erl_interface/doc/src/ei_connect.xml
+++ b/lib/erl_interface/doc/src/ei_connect.xml
@@ -116,7 +116,7 @@
int n = 0;
struct in_addr addr;
ei_cnode ec;
-addr = inet_addr("150.236.14.75");
+addr.s_addr = inet_addr("150.236.14.75");
if (ei_connect_xinit(&ec,
"chivas",
"madonna",
@@ -132,7 +132,7 @@ if (ei_connect_xinit(&ec,
</p>
<code type="none"><![CDATA[
if (ei_connect_init(&ec, "madonna", "cookie...", n++) < 0) {
- fprintf("ERROR when initializing: %d",erl_errno);
+ fprintf(stderr,"ERROR when initializing: %d",erl_errno);
exit(-1);
}
]]></code>
@@ -177,7 +177,7 @@ int fd = ei_connect(&ec, NODE);
/*** Variant 2 ***/
struct in_addr addr;
-addr = inet_addr(IP_ADDR);
+addr.s_addr = inet_addr(IP_ADDR);
fd = ei_xconnect(&ec, &addr, ALIVE);
]]></code>
</desc>
diff --git a/lib/erl_interface/src/connect/ei_connect.c b/lib/erl_interface/src/connect/ei_connect.c
index b1b79aa0e5..99ccba0686 100644
--- a/lib/erl_interface/src/connect/ei_connect.c
+++ b/lib/erl_interface/src/connect/ei_connect.c
@@ -366,16 +366,16 @@ static int initWinSock(void)
WORD wVersionRequested;
WSADATA wsaData;
int i;
- /* FIXME problem for threaded ? */
- static int initialized = 0;
+
+ static LONG volatile initialized = 0;
wVersionRequested = MAKEWORD(1, 1);
- if (!initialized) {
- initialized = 1;
+ if (InterlockedCompareExchange((LPLONG) &initialized,1L,0L) == 0L) {
/* FIXME not terminate, just a message?! */
if ((i = WSAStartup(wVersionRequested, &wsaData))) {
EI_TRACE_ERR1("ei_connect_init",
"ERROR: can't initialize windows sockets: %d",i);
+ initialized = 2L;
return 0;
}
@@ -383,10 +383,14 @@ static int initWinSock(void)
EI_TRACE_ERR0("initWinSock","ERROR: this version of windows "
"sockets not supported");
WSACleanup();
+ initialized = 2L;
return 0;
}
+ initialized = 3L;
+ } else while (initialized < 2) {
+ SwitchToThread();
}
- return 1;
+ return (int) (initialized - 2);
}
#endif
@@ -502,10 +506,14 @@ int ei_connect_init(ei_cnode* ec, const char* this_node_name,
return ERL_ERROR;
}
- if (this_node_name == NULL)
+ if (this_node_name == NULL) {
sprintf(thisalivename, "c%d", (int) getpid());
- else
+ } else if (strlen(this_node_name) >= sizeof(thisalivename)) {
+ EI_TRACE_ERR0("ei_connect_init","ERROR: this_node_name too long");
+ return ERL_ERROR;
+ } else {
strcpy(thisalivename, this_node_name);
+ }
if ((hp = ei_gethostbyname(thishostname)) == 0) {
/* Looking up IP given hostname fails. We must be on a standalone
diff --git a/lib/erl_interface/src/connect/ei_resolve.c b/lib/erl_interface/src/connect/ei_resolve.c
index 42aeab22b1..24a030c468 100644
--- a/lib/erl_interface/src/connect/ei_resolve.c
+++ b/lib/erl_interface/src/connect/ei_resolve.c
@@ -601,7 +601,7 @@ struct hostent *ei_gethostbyaddr_r(const char *addr,
#ifndef HAVE_GETHOSTBYNAME_R
return my_gethostbyaddr_r(addr,length,type,hostp,buffer,buflen,h_errnop);
#else
-#if (defined(__GLIBC__) || (__FreeBSD_version >= 602000))
+#if (defined(__GLIBC__) || (__FreeBSD_version >= 602000) || defined(__DragonFly__))
struct hostent *result;
gethostbyaddr_r(addr, length, type, hostp, buffer, buflen, &result,
@@ -628,7 +628,7 @@ struct hostent *ei_gethostbyname_r(const char *name,
#ifndef HAVE_GETHOSTBYNAME_R
return my_gethostbyname_r(name,hostp,buffer,buflen,h_errnop);
#else
-#if (defined(__GLIBC__) || (__FreeBSD_version >= 602000))
+#if (defined(__GLIBC__) || (__FreeBSD_version >= 602000) || defined(__DragonFly__))
struct hostent *result;
gethostbyname_r(name, hostp, buffer, buflen, &result, h_errnop);
diff --git a/lib/erl_interface/src/epmd/epmd_port.c b/lib/erl_interface/src/epmd/epmd_port.c
index 3dd3da7aae..698c75c217 100644
--- a/lib/erl_interface/src/epmd/epmd_port.c
+++ b/lib/erl_interface/src/epmd/epmd_port.c
@@ -106,6 +106,12 @@ static int ei_epmd_r4_port (struct in_addr *addr, const char *alive,
#if defined(VXWORKS)
char ntoabuf[32];
#endif
+
+ if (len > sizeof(buf) - 3)
+ {
+ erl_errno = ERANGE;
+ return -1;
+ }
put16be(s,len);
put8(s,EI_EPMD_PORT2_REQ);
diff --git a/lib/erl_interface/src/misc/ei_portio.c b/lib/erl_interface/src/misc/ei_portio.c
index b73ebebbe1..c4e397f1e0 100644
--- a/lib/erl_interface/src/misc/ei_portio.c
+++ b/lib/erl_interface/src/misc/ei_portio.c
@@ -171,6 +171,8 @@ int ei_writev_fill_t(int fd, const struct iovec *iov, int iovcnt, unsigned
}
while (i > 0) {
if (i < current_iov[0].iov_len) {
+ char *p = (char*)current_iov[0].iov_base;
+ current_iov[0].iov_base = p + i;
current_iov[0].iov_len -= i;
i = 0;
} else {
diff --git a/lib/erl_interface/src/prog/erl_call.c b/lib/erl_interface/src/prog/erl_call.c
index 93b84cbb36..448de9aa23 100644
--- a/lib/erl_interface/src/prog/erl_call.c
+++ b/lib/erl_interface/src/prog/erl_call.c
@@ -123,6 +123,10 @@ static int do_connect(ei_cnode *ec, char *nodename, struct call_flags *flags);
static int read_stdin(char **buf);
static void split_apply_string(char *str, char **mod,
char **fun, char **args);
+static void* ei_chk_malloc(size_t size);
+static void* ei_chk_calloc(size_t nmemb, size_t size);
+static void* ei_chk_realloc(void *old, size_t size);
+static char* ei_chk_strdup(char *s);
/***************************************************************************
@@ -132,7 +136,6 @@ static void split_apply_string(char *str, char **mod,
***************************************************************************/
/* FIXME isn't VxWorks to handle arguments differently? */
-/* FIXME check errors from malloc */
#if !defined(VXWORKS)
int main(int argc, char *argv[])
@@ -165,8 +168,7 @@ int erl_call(int argc, char **argv)
usage_arg(progname, "-sname ");
}
- flags.node = (char *) malloc(strlen(argv[i+1]) + 1);
- strcpy(flags.node, argv[i+1]);
+ flags.node = ei_chk_strdup(argv[i+1]);
i++;
flags.use_long_name = 0;
} else if (strcmp(argv[i], "-name") == 0) { /* -name NAME */
@@ -174,8 +176,7 @@ int erl_call(int argc, char **argv)
usage_arg(progname, "-name ");
}
- flags.node = (char *) malloc(strlen(argv[i+1]) + 1);
- strcpy(flags.node, argv[i+1]);
+ flags.node = ei_chk_strdup(argv[i+1]);
i++;
flags.use_long_name = 1;
} else {
@@ -210,16 +211,14 @@ int erl_call(int argc, char **argv)
usage_arg(progname, "-c ");
}
flags.cookiep = 1;
- flags.cookie = (char *) malloc(strlen(argv[i+1]) + 1);
- strcpy(flags.cookie, argv[i+1]);
+ flags.cookie = ei_chk_strdup(argv[i+1]);
i++;
break;
case 'n':
if (i+1 >= argc) {
usage_arg(progname, "-n ");
}
- flags.node = (char *) malloc(strlen(argv[i+1]) + 1);
- strcpy(flags.node, argv[i+1]);
+ flags.node = ei_chk_strdup(argv[i+1]);
flags.use_long_name = 1;
i++;
break;
@@ -227,24 +226,21 @@ int erl_call(int argc, char **argv)
if (i+1 >= argc) {
usage_arg(progname, "-h ");
}
- flags.hidden = (char *) malloc(strlen(argv[i+1]) + 1);
- strcpy(flags.hidden, argv[i+1]);
+ flags.hidden = ei_chk_strdup(argv[i+1]);
i++;
break;
case 'x':
if (i+1 >= argc) {
usage_arg(progname, "-x ");
}
- flags.script = (char *) malloc(strlen(argv[i+1]) + 1);
- strcpy(flags.script, argv[i+1]);
+ flags.script = ei_chk_strdup(argv[i+1]);
i++;
break;
case 'a':
if (i+1 >= argc) {
usage_arg(progname, "-a ");
}
- flags.apply = (char *) malloc(strlen(argv[i+1]) + 1);
- strcpy(flags.apply, argv[i+1]);
+ flags.apply = ei_chk_strdup(argv[i+1]);
i++;
break;
case '?':
@@ -304,8 +300,7 @@ int erl_call(int argc, char **argv)
if (flags.hidden == NULL) {
/* As default we are c17@gethostname */
i = flags.randomp ? (time(NULL) % 997) : 17;
- /* FIXME allocates to small !!! */
- flags.hidden = (char *) malloc(3 + 2 ); /* c17 or cXYZ */
+ flags.hidden = (char *) ei_chk_malloc(10 + 2 ); /* c17 or cXYZ */
#if defined(VXWORKS)
sprintf(flags.hidden, "c%d",
i < 0 ? (int) taskIdSelf() : i);
@@ -330,17 +325,25 @@ int erl_call(int argc, char **argv)
initWinSock();
#endif
- gethostname(h_hostname, EI_MAXHOSTNAMELEN);
+ if (gethostname(h_hostname, EI_MAXHOSTNAMELEN) < 0) {
+ fprintf(stderr,"erl_call: failed to get host name: %d\n", errno);
+ exit(1);
+ }
if ((hp = ei_gethostbyname(h_hostname)) == 0) {
fprintf(stderr,"erl_call: can't resolve hostname %s\n", h_hostname);
exit(1);
}
- /* If shortnames cut of the name at first '.' */
+ /* If shortnames, cut off the name at first '.' */
if (flags.use_long_name == 0 && (ct = strchr(hp->h_name, '.')) != NULL) {
*ct = '\0';
}
- strcpy(h_hostname, hp->h_name);
+ strncpy(h_hostname, hp->h_name, EI_MAXHOSTNAMELEN);
+ h_hostname[EI_MAXHOSTNAMELEN] = '\0';
memcpy(&h_ipadr.s_addr, *hp->h_addr_list, sizeof(struct in_addr));
+ if (strlen(h_alivename) + strlen(h_hostname) + 2 > sizeof(h_nodename)) {
+ fprintf(stderr,"erl_call: hostname too long: %s\n", h_hostname);
+ exit(1);
+ }
sprintf(h_nodename, "%s@%s", h_alivename, h_hostname);
if (ei_connect_xinit(&ec, h_hostname, h_alivename, h_nodename,
@@ -368,11 +371,16 @@ int erl_call(int argc, char **argv)
fprintf(stderr,"erl_call: can't get_hostent(%s)\n", host);
exit(1);
}
- /* If shortnames cut of the name at first '.' */
+ /* If shortnames, cut off the name at first '.' */
if (flags.use_long_name == 0 && (ct = strchr(hp->h_name, '.')) != NULL) {
*ct = '\0';
}
- strcpy(host_name, hp->h_name);
+ strncpy(host_name, hp->h_name, EI_MAXHOSTNAMELEN);
+ host_name[EI_MAXHOSTNAMELEN] = '\0';
+ if (strlen(flags.node) + strlen(host_name) + 2 > sizeof(nodename)) {
+ fprintf(stderr,"erl_call: nodename too long: %s\n", flags.node);
+ exit(1);
+ }
sprintf(nodename, "%s@%s", flags.node, host_name);
/*
@@ -401,7 +409,7 @@ int erl_call(int argc, char **argv)
ei_encode_empty_list(NULL, &i);
- p = (char *)malloc(i);
+ p = (char *)ei_chk_malloc(i);
i = 0; /* Reset */
ei_encode_empty_list(p, &i);
@@ -426,6 +434,10 @@ int erl_call(int argc, char **argv)
if (flags.modp && (modname != NULL)) {
char fname[256];
+ if (strlen(modname) + 4 + 1 > sizeof(fname)) {
+ fprintf(stderr,"erl_call: module name too long: %s\n", modname);
+ exit(1);
+ }
strcpy(fname, modname);
strcat(fname, ".erl");
@@ -443,7 +455,7 @@ int erl_call(int argc, char **argv)
ei_encode_binary(NULL, &i, module, modsize);
ei_encode_empty_list(NULL, &i);
- p = (char *)malloc(i);
+ p = (char *)ei_chk_malloc(i);
i = 0; /* Reset */
ei_encode_list_header(p, &i, 2);
@@ -476,7 +488,7 @@ int erl_call(int argc, char **argv)
ei_encode_empty_list(NULL, &i);
ei_encode_empty_list(NULL, &i);
- p = (char *)malloc(i);
+ p = (char *)ei_chk_malloc(i);
i = 0; /* Reset */
ei_encode_list_header(p, &i, 2);
@@ -521,7 +533,7 @@ int erl_call(int argc, char **argv)
ei_encode_binary(NULL, &i, evalbuf, len);
ei_encode_empty_list(NULL, &i);
- p = (char *)malloc(i);
+ p = (char *)ei_chk_malloc(i);
i = 0; /* Reset */
ei_encode_list_header(p, &i, 1);
@@ -719,32 +731,28 @@ static void split_apply_string(char *str,
EAT(str);
len = str-begin;
- *mod = (char *) calloc(len + 1, sizeof(char));
+ *mod = (char *) ei_chk_calloc(len + 1, sizeof(char));
memcpy(*mod, begin, len);
SKIP_SPACE(str);
if (*str == '\0') {
- *fun = (char *) calloc(strlen(start)+1, sizeof(char));
- strcpy(*fun, start);
- *args = (char *) calloc(strlen(empty_list)+1, sizeof(char));
- strcpy(*args, empty_list);
+ *fun = ei_chk_strdup(start);
+ *args = ei_chk_strdup(empty_list);
return;
}
begin = str;
EAT(str);
len = str-begin;
- *fun = (char *) calloc(len + 1, sizeof(char));
+ *fun = (char *) ei_chk_calloc(len + 1, sizeof(char));
memcpy(*fun, begin, len);
SKIP_SPACE(str);
if (*str == '\0') {
- *args = (char *) calloc(strlen(empty_list)+1, sizeof(char));
- strcpy(*args, empty_list);
+ *args = ei_chk_strdup(empty_list);
return;
}
- *args = (char *) calloc(strlen(str) + 1, sizeof(char));
- strcpy(*args, str);
+ *args = ei_chk_strdup(str);
return;
@@ -760,7 +768,7 @@ static int read_stdin(char **buf)
int bsize = BUFSIZ;
int len = 0;
int i;
- char *tmp = (char *) malloc(bsize);
+ char *tmp = (char *) ei_chk_malloc(bsize);
while (1) {
if ((i = read(0, &tmp[len], bsize-len)) < 0) {
@@ -772,7 +780,7 @@ static int read_stdin(char **buf)
len += i;
if ((len+50) > bsize) {
bsize = len * 2;
- tmp = (char *) realloc(tmp, bsize);
+ tmp = (char *) ei_chk_realloc(tmp, bsize);
} else {
continue;
}
@@ -809,7 +817,7 @@ static int get_module(char **mbuf, char **mname)
}
} /* while */
i = tmp - start;
- *mname = (char *) calloc(i+1, sizeof(char));
+ *mname = (char *) ei_chk_calloc(i+1, sizeof(char));
memcpy(*mname, start, i);
}
if (*mbuf)
@@ -905,3 +913,51 @@ static void initWinSock(void)
}
}
#endif
+
+
+/***************************************************************************
+ *
+ * Utility functions
+ *
+ ***************************************************************************/
+
+static void* ei_chk_malloc(size_t size)
+{
+ void *p = malloc(size);
+ if (p == NULL) {
+ fprintf(stderr,"erl_call: insufficient memory\n");
+ exit(1);
+ }
+ return p;
+}
+
+static void* ei_chk_calloc(size_t nmemb, size_t size)
+{
+ void *p = calloc(nmemb, size);
+ if (p == NULL) {
+ fprintf(stderr,"erl_call: insufficient memory\n");
+ exit(1);
+ }
+ return p;
+}
+
+static void* ei_chk_realloc(void *old, size_t size)
+{
+ void *p = realloc(old, size);
+ if (!p) {
+ fprintf(stderr, "erl_call: cannot reallocate %u bytes of memory from %p\n",
+ (unsigned) size, old);
+ exit (1);
+ }
+ return p;
+}
+
+static char* ei_chk_strdup(char *s)
+{
+ char *p = strdup(s);
+ if (p == NULL) {
+ fprintf(stderr,"erl_call: insufficient memory\n");
+ exit(1);
+ }
+ return p;
+}
diff --git a/lib/erl_interface/test/ei_accept_SUITE.erl b/lib/erl_interface/test/ei_accept_SUITE.erl
index 98fe272394..a97c874e5f 100644
--- a/lib/erl_interface/test/ei_accept_SUITE.erl
+++ b/lib/erl_interface/test/ei_accept_SUITE.erl
@@ -31,7 +31,7 @@
all(suite) -> [ei_accept, ei_threaded_accept].
init_per_testcase(_Case, Config) ->
- Dog = ?t:timetrap(?t:minutes(0.25)),
+ Dog = ?t:timetrap(?t:seconds(30)),
[{watchdog, Dog}|Config].
fin_per_testcase(_Case, Config) ->
@@ -43,8 +43,6 @@ ei_accept(Config) when is_list(Config) ->
?line P = runner:start(?interpret),
?line 0 = ei_connect_init(P, 42, erlang:get_cookie(), 0),
-% ?line AMsg={a,[message, with], " strings in it!", [-12, -23], 1.001},
- %% shouldn't this be a bif or function or something?
?line Myname= hd(tl(string:tokens(atom_to_list(node()), "@"))),
?line io:format("Myname ~p ~n", [Myname]),
?line EINode= list_to_atom("c42@"++Myname),
@@ -52,9 +50,13 @@ ei_accept(Config) when is_list(Config) ->
?line Self= self(),
?line TermToSend= {call, Self, "Test"},
?line F= fun() ->
- timer:sleep(500),
- {any, EINode} ! TermToSend,
- Self ! sent_ok,
+ case waitfornode("c42",20) of
+ true ->
+ {any, EINode} ! TermToSend,
+ Self ! sent_ok;
+ false ->
+ Self ! never_published
+ end,
ok
end,
@@ -90,12 +92,29 @@ ei_threaded_accept(Config) when is_list(Config) ->
|| I <- lists:seq(0, N-1) ],
ok.
+waitfornode(String,0) ->
+ io:format("~s never published itself.~n",[String]),
+ false;
+waitfornode(String,N) ->
+ Registered = [X || {X,_} <- element(2,erl_epmd:names())],
+ case lists:member(String,Registered) of
+ true ->
+ true;
+ false ->
+ timer:sleep(1000),
+ waitfornode(String,N-1)
+ end.
+
send_rec_einode(N, TestServerPid) ->
?line Myname= hd(tl(string:tokens(atom_to_list(node()), "@"))),
- ?line EINode= list_to_atom("eiacc" ++ integer_to_list(N) ++ "@" ++ Myname),
+ ?line FirstPart = "eiacc" ++ integer_to_list(N),
+ ?line EINode= list_to_atom(FirstPart ++ "@" ++ Myname),
?line io:format("EINode ~p ~n", [EINode]),
?line Self= self(),
- ?line timer:sleep(10*1000),
+ ?line case waitfornode(FirstPart,20) of
+ true -> ok;
+ false -> test_server:fail({never_published,EINode})
+ end,
?line {any, EINode} ! Self,
?line receive
{N,_}=X ->
@@ -136,13 +155,6 @@ ei_receive(P, Fd) ->
{term, T}= get_term(P),
T.
-ei_unpublish(P) ->
- send_command(P, ei_unpublish, []),
- case get_term(P) of
- {term,{0, _}} -> ok;
- {term,{_X, Errno}} -> {error,Errno}
- end.
-
send_command(P, Name, Args) ->
runner:send_term(P, {Name,list_to_tuple(Args)}).
diff --git a/lib/erl_interface/test/ei_connect_SUITE.erl b/lib/erl_interface/test/ei_connect_SUITE.erl
index 56f478edad..fe82a73ef9 100644
--- a/lib/erl_interface/test/ei_connect_SUITE.erl
+++ b/lib/erl_interface/test/ei_connect_SUITE.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2001-2009. All Rights Reserved.
+%% Copyright Ericsson AB 2001-2010. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
@@ -103,10 +103,12 @@ ei_threaded_send(Config) when is_list(Config) ->
?line Einode = filename:join(?config(data_dir, Config), "einode"),
?line N = 15,
?line Host = atom_to_list(node()),
- ?line spawn_link(fun() -> start_einode(Einode, N, Host) end),
?line TestServerPid = self(),
?line [ spawn_link(fun() -> rec_einode(I, TestServerPid) end)
|| I <- lists:seq(0, N-1) ],
+ ?line [ receive {I,registered} -> ok end
+ || I <- lists:seq(0, N-1) ],
+ ?line spawn_link(fun() -> start_einode(Einode, N, Host) end),
?line [ receive I -> ok end
|| I <- lists:seq(0, N-1) ],
ok.
@@ -114,6 +116,7 @@ ei_threaded_send(Config) when is_list(Config) ->
rec_einode(N, TestServerPid) ->
?line Regname = list_to_atom("mth"++integer_to_list(N)),
?line register(Regname, self()),
+ ?line TestServerPid ! {N, registered},
?line io:format("~p waiting~n", [Regname]),
?line receive
X ->
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-01 02:34:56 +0000