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[exim.git]
/
src
/
src
/
transports
/
pipe.c
diff --git
a/src/src/transports/pipe.c
b/src/src/transports/pipe.c
index 54989410a4266442504e476c99ab78267630e30e..be02560611b7a5bdef4c3fbfc55e6dcf3da048d1 100644
(file)
--- a/
src/src/transports/pipe.c
+++ b/
src/src/transports/pipe.c
@@
-2,7
+2,7
@@
* Exim - an Internet mail transport agent *
*************************************************/
* Exim - an Internet mail transport agent *
*************************************************/
-/* Copyright (c) University of Cambridge 1995 - 20
09
*/
+/* Copyright (c) University of Cambridge 1995 - 20
15
*/
/* See the file NOTICE for conditions of use and distribution. */
/* See the file NOTICE for conditions of use and distribution. */
@@
-95,6
+95,17
@@
address can appear in the tables drtables.c. */
int pipe_transport_options_count =
sizeof(pipe_transport_options)/sizeof(optionlist);
int pipe_transport_options_count =
sizeof(pipe_transport_options)/sizeof(optionlist);
+
+#ifdef MACRO_PREDEF
+
+/* Dummy values */
+pipe_transport_options_block pipe_transport_option_defaults = {0};
+void pipe_transport_init(transport_instance *tblock) {}
+BOOL pipe_transport_entry(transport_instance *tblock, address_item *addr) {return FALSE;}
+
+#else /*!MACRO_PREDEF*/
+
+
/* Default private options block for the pipe transport. */
pipe_transport_options_block pipe_transport_option_defaults = {
/* Default private options block for the pipe transport. */
pipe_transport_options_block pipe_transport_option_defaults = {
@@
-326,22
+337,20
@@
Returns: TRUE if all went well; otherwise an error will be
*/
static BOOL
*/
static BOOL
-set_up_direct_command(
uschar ***argvptr, uschar *cmd, BOOL expand_arguments
,
- int expand_fail, address_item *addr, uschar *tname,
+set_up_direct_command(
const uschar ***argvptr, uschar *cmd
,
+
BOOL expand_arguments,
int expand_fail, address_item *addr, uschar *tname,
pipe_transport_options_block *ob)
{
BOOL permitted = FALSE;
pipe_transport_options_block *ob)
{
BOOL permitted = FALSE;
-uschar **argv;
-uschar buffer[64];
+const uschar **argv;
/* Set up "transport <name>" to be put in any error messages, and then
call the common function for creating an argument list and expanding
the items if necessary. If it fails, this function fails (error information
is in the addresses). */
/* Set up "transport <name>" to be put in any error messages, and then
call the common function for creating an argument list and expanding
the items if necessary. If it fails, this function fails (error information
is in the addresses). */
-sprintf(CS buffer, "%.50s transport", tname);
if (!transport_set_up_command(argvptr, cmd, expand_arguments, expand_fail,
if (!transport_set_up_command(argvptr, cmd, expand_arguments, expand_fail,
- addr,
buffer
, NULL))
+ addr,
string_sprintf("%.50s transport", tname)
, NULL))
return FALSE;
/* Point to the set-up arguments. */
return FALSE;
/* Point to the set-up arguments. */
@@
-350,14
+359,13
@@
argv = *argvptr;
/* If allow_commands is set, see if the command is in the permitted list. */
/* If allow_commands is set, see if the command is in the permitted list. */
-if (ob->allow_commands
!= NULL
)
+if (ob->allow_commands)
{
int sep = 0;
{
int sep = 0;
-
uschar *s, *p
;
- uschar
buffer[256]
;
+
const uschar *s
;
+ uschar
*p
;
- s = expand_string(ob->allow_commands);
- if (s == NULL)
+ if (!(s = expand_string(ob->allow_commands)))
{
addr->transport_return = DEFER;
addr->message = string_sprintf("failed to expand string \"%s\" "
{
addr->transport_return = DEFER;
addr->message = string_sprintf("failed to expand string \"%s\" "
@@
-365,10
+373,8
@@
if (ob->allow_commands != NULL)
return FALSE;
}
return FALSE;
}
- while ((p = string_nextinlist(&s, &sep, buffer, sizeof(buffer))) != NULL)
- {
+ while ((p = string_nextinlist(&s, &sep, NULL, 0)))
if (Ustrcmp(p, argv[0]) == 0) { permitted = TRUE; break; }
if (Ustrcmp(p, argv[0]) == 0) { permitted = TRUE; break; }
- }
}
/* If permitted is TRUE it means the command was found in the allowed list, and
}
/* If permitted is TRUE it means the command was found in the allowed list, and
@@
-391,7
+397,7
@@
if (!permitted)
}
}
}
}
- else if (ob->allow_commands
!= NULL
)
+ else if (ob->allow_commands)
{
addr->transport_return = FAIL;
addr->message = string_sprintf("\"%s\" command not permitted by %s "
{
addr->transport_return = FAIL;
addr->message = string_sprintf("\"%s\" command not permitted by %s "
@@
-407,10
+413,9
@@
if (argv[0][0] != '/')
{
int sep = 0;
uschar *p;
{
int sep = 0;
uschar *p;
- uschar *listptr = ob->path;
- uschar buffer[1024];
+ const uschar *listptr = expand_string(ob->path);
- while ((p = string_nextinlist(&listptr, &sep,
buffer, sizeof(buffer))) != NULL
)
+ while ((p = string_nextinlist(&listptr, &sep,
NULL, 0))
)
{
struct stat statbuf;
sprintf(CS big_buffer, "%.256s/%.256s", p, argv[0]);
{
struct stat statbuf;
sprintf(CS big_buffer, "%.256s/%.256s", p, argv[0]);
@@
-420,7
+425,7
@@
if (argv[0][0] != '/')
break;
}
}
break;
}
}
- if (
p == NULL
)
+ if (
!p
)
{
addr->transport_return = FAIL;
addr->message = string_sprintf("\"%s\" command not found for %s transport",
{
addr->transport_return = FAIL;
addr->message = string_sprintf("\"%s\" command not found for %s transport",
@@
-453,10
+458,10
@@
Returns: TRUE if all went well; otherwise an error will be
*/
static BOOL
*/
static BOOL
-set_up_shell_command(
uschar ***argvptr, uschar *cmd, BOOL expand_arguments
,
- int expand_fail, address_item *addr, uschar *tname)
+set_up_shell_command(
const uschar ***argvptr, uschar *cmd
,
+
BOOL expand_arguments,
int expand_fail, address_item *addr, uschar *tname)
{
{
-uschar **argv;
+
const
uschar **argv;
*argvptr = argv = store_get((4)*sizeof(uschar *));
*argvptr = argv = store_get((4)*sizeof(uschar *));
@@
-491,11
+496,12
@@
if (expand_arguments)
for (ad = addr; ad != NULL; ad = ad->next)
{
for (ad = addr; ad != NULL; ad = ad->next)
{
- if (ad != addr) string_cat(s, &size, &offset, US" ", 1);
- string_cat(s, &size, &offset, ad->address, Ustrlen(ad->address));
+ /*XXX string_append_listele() ? */
+ if (ad != addr) s = string_catn(s, &size, &offset, US" ", 1);
+ s = string_cat(s, &size, &offset, ad->address);
}
}
- s
tring_cat(s, &size, &offset, q, Ustrlen(q)
);
+ s
= string_cat(s, &size, &offset, q
);
s[offset] = 0;
}
s[offset] = 0;
}
@@
-521,7
+527,7
@@
if (expand_arguments)
}
else argv[2] = cmd;
}
else argv[2] = cmd;
-argv[3] =
(uschar *)
0;
+argv[3] =
US
0;
return TRUE;
}
return TRUE;
}
@@
-551,11
+557,19
@@
pipe_transport_options_block *ob =
int timeout = ob->timeout;
BOOL written_ok = FALSE;
BOOL expand_arguments;
int timeout = ob->timeout;
BOOL written_ok = FALSE;
BOOL expand_arguments;
-uschar **argv;
+
const
uschar **argv;
uschar *envp[50];
uschar *envp[50];
-uschar *envlist = ob->environment;
+
const
uschar *envlist = ob->environment;
uschar *cmd, *ss;
uschar *cmd, *ss;
-uschar *eol = (ob->use_crlf)? US"\r\n" : US"\n";
+uschar *eol = ob->use_crlf ? US"\r\n" : US"\n";
+transport_ctx tctx = {
+ {0},
+ tblock,
+ addr,
+ ob->check_string,
+ ob->escape_string,
+ ob->options /* set at initialization time */
+};
DEBUG(D_transport) debug_printf("%s transport entered\n", tblock->name);
DEBUG(D_transport) debug_printf("%s transport entered\n", tblock->name);
@@
-574,7
+588,7
@@
if (testflag(addr, af_pfr) && addr->local_part[0] == '|')
{
if (ob->force_command)
{
{
if (ob->force_command)
{
- /* Enables expansion of $address_pipe into sep
e
rate arguments */
+ /* Enables expansion of $address_pipe into sep
a
rate arguments */
setflag(addr, af_force_command);
cmd = ob->cmd;
expand_arguments = TRUE;
setflag(addr, af_force_command);
cmd = ob->cmd;
expand_arguments = TRUE;
@@
-612,7
+626,7
@@
if (cmd == NULL || *cmd == '\0')
and numerical the variables in existence. These are passed in
addr->pipe_expandn for use here. */
and numerical the variables in existence. These are passed in
addr->pipe_expandn for use here. */
-if (expand_arguments && addr->pipe_expandn
!= NULL
)
+if (expand_arguments && addr->pipe_expandn)
{
uschar **ss = addr->pipe_expandn;
expand_nmax = -1;
{
uschar **ss = addr->pipe_expandn;
expand_nmax = -1;
@@
-652,7
+666,7
@@
envp[envcount++] = string_sprintf("LOCAL_PART_SUFFIX=%#s",
envp[envcount++] = string_sprintf("DOMAIN=%s", deliver_domain);
envp[envcount++] = string_sprintf("HOME=%#s", deliver_home);
envp[envcount++] = string_sprintf("MESSAGE_ID=%s", message_id);
envp[envcount++] = string_sprintf("DOMAIN=%s", deliver_domain);
envp[envcount++] = string_sprintf("HOME=%#s", deliver_home);
envp[envcount++] = string_sprintf("MESSAGE_ID=%s", message_id);
-envp[envcount++] = string_sprintf("PATH=%s",
ob->path
);
+envp[envcount++] = string_sprintf("PATH=%s",
expand_string(ob->path)
);
envp[envcount++] = string_sprintf("RECIPIENT=%#s%#s%#s@%#s",
deliver_localpart_prefix, deliver_localpart, deliver_localpart_suffix,
deliver_domain);
envp[envcount++] = string_sprintf("RECIPIENT=%#s%#s%#s@%#s",
deliver_localpart_prefix, deliver_localpart, deliver_localpart_suffix,
deliver_domain);
@@
-669,9
+683,9
@@
else if (timezone_string != NULL && timezone_string[0] != 0)
/* Add any requested items */
/* Add any requested items */
-if (envlist
!= NULL
)
+if (envlist)
{
{
- envlist = expand_string(envlist);
+ envlist = expand_
c
string(envlist);
if (envlist == NULL)
{
addr->transport_return = DEFER;
if (envlist == NULL)
{
addr->transport_return = DEFER;
@@
-682,10
+696,9
@@
if (envlist != NULL)
}
}
}
}
-while ((ss = string_nextinlist(&envlist, &envsep, big_buffer, big_buffer_size))
- != NULL)
+while ((ss = string_nextinlist(&envlist, &envsep, big_buffer, big_buffer_size)))
{
{
- if (envcount >
sizeof(envp)/sizeof(uschar *
) - 2)
+ if (envcount >
nelem(envp
) - 2)
{
addr->transport_return = DEFER;
addr->message = string_sprintf("too many environment settings for "
{
addr->transport_return = DEFER;
addr->message = string_sprintf("too many environment settings for "
@@
-729,7
+742,7
@@
reading of the output pipe. */
uid/gid and current directory. Request that the new process be a process group
leader, so we can kill it and all its children on a timeout. */
uid/gid and current directory. Request that the new process be a process group
leader, so we can kill it and all its children on a timeout. */
-if ((pid = child_open(argv, envp, ob->umask, &fd_in, &fd_out, TRUE)) < 0)
+if ((pid = child_open(
USS
argv, envp, ob->umask, &fd_in, &fd_out, TRUE)) < 0)
{
addr->transport_return = DEFER;
addr->message = string_sprintf(
{
addr->transport_return = DEFER;
addr->message = string_sprintf(
@@
-737,6
+750,7
@@
if ((pid = child_open(argv, envp, ob->umask, &fd_in, &fd_out, TRUE)) < 0)
strerror(errno));
return FALSE;
}
strerror(errno));
return FALSE;
}
+tctx.u.fd = fd_in;
/* Now fork a process to handle the output that comes down the pipe. */
/* Now fork a process to handle the output that comes down the pipe. */
@@
-827,7
+841,7
@@
if (ob->message_prefix != NULL)
expand_string_message);
return FALSE;
}
expand_string_message);
return FALSE;
}
- if (!transport_write_block(
fd_in, prefix, Ustrlen(prefix)
))
+ if (!transport_write_block(
&tctx, prefix, Ustrlen(prefix), FALSE
))
goto END_WRITE;
}
goto END_WRITE;
}
@@
-843,31
+857,27
@@
if (ob->use_bsmtp)
if (!transport_write_string(fd_in, "MAIL FROM:<%s>%s", return_path, eol))
goto END_WRITE;
if (!transport_write_string(fd_in, "MAIL FROM:<%s>%s", return_path, eol))
goto END_WRITE;
- for (a = addr; a != NULL; a = a->next)
- {
+ for (a = addr; a; a = a->next)
if (!transport_write_string(fd_in,
"RCPT TO:<%s>%s",
transport_rcpt_address(a, tblock->rcpt_include_affixes),
eol))
goto END_WRITE;
if (!transport_write_string(fd_in,
"RCPT TO:<%s>%s",
transport_rcpt_address(a, tblock->rcpt_include_affixes),
eol))
goto END_WRITE;
- }
if (!transport_write_string(fd_in, "DATA%s", eol)) goto END_WRITE;
}
if (!transport_write_string(fd_in, "DATA%s", eol)) goto END_WRITE;
}
-/* Now the actual message
- the options were set at initialization time
*/
+/* Now the actual message */
-if (!transport_write_message(addr, fd_in, ob->options, 0, tblock->add_headers,
- tblock->remove_headers, ob->check_string, ob->escape_string,
- tblock->rewrite_rules, tblock->rewrite_existflags))
+if (!transport_write_message(&tctx, 0))
goto END_WRITE;
/* Now any configured suffix */
goto END_WRITE;
/* Now any configured suffix */
-if (ob->message_suffix
!= NULL
)
+if (ob->message_suffix)
{
uschar *suffix = expand_string(ob->message_suffix);
{
uschar *suffix = expand_string(ob->message_suffix);
- if (
suffix == NULL
)
+ if (
!suffix
)
{
addr->transport_return = search_find_defer? DEFER : PANIC;
addr->message = string_sprintf("Expansion of \"%s\" (suffix for %s "
{
addr->transport_return = search_find_defer? DEFER : PANIC;
addr->message = string_sprintf("Expansion of \"%s\" (suffix for %s "
@@
-875,7
+885,7
@@
if (ob->message_suffix != NULL)
expand_string_message);
return FALSE;
}
expand_string_message);
return FALSE;
}
- if (!transport_write_block(
fd_in, suffix, Ustrlen(suffix)
))
+ if (!transport_write_block(
&tctx, suffix, Ustrlen(suffix), FALSE
))
goto END_WRITE;
}
goto END_WRITE;
}
@@
-1026,7
+1036,7
@@
if ((rc = child_close(pid, timeout)) != 0)
the command that was given is a non-existent path). By default this is
treated as just another failure, but if freeze_exec_fail is set, the reaction
is to freeze the message rather than bounce the address. Exim used to signal
the command that was given is a non-existent path). By default this is
treated as just another failure, but if freeze_exec_fail is set, the reaction
is to freeze the message rather than bounce the address. Exim used to signal
- this failure with EX_UNAVAILABLE, which is defin
in
ed in many systems as
+ this failure with EX_UNAVAILABLE, which is defined in many systems as
#define EX_UNAVAILABLE 69
#define EX_UNAVAILABLE 69
@@
-1064,7
+1074,7
@@
if ((rc = child_close(pid, timeout)) != 0)
uschar *ss;
int size, ptr, i;
uschar *ss;
int size, ptr, i;
- /* If temp_errors is "*" all codes are temporary. Initializion checks
+ /* If temp_errors is "*" all codes are temporary. Initializ
at
ion checks
that it's either "*" or a list of numbers. If not "*", scan the list of
temporary failure codes; if any match, the result is DEFER. */
that it's either "*" or a list of numbers. If not "*", scan the list of
temporary failure codes; if any match, the result is DEFER. */
@@
-1073,16
+1083,13
@@
if ((rc = child_close(pid, timeout)) != 0)
else
{
else
{
- uschar *s = ob->temp_errors;
+
const
uschar *s = ob->temp_errors;
uschar *p;
uschar *p;
- uschar buffer[64];
int sep = 0;
addr->transport_return = FAIL;
int sep = 0;
addr->transport_return = FAIL;
- while ((p = string_nextinlist(&s,&sep,buffer,sizeof(buffer))) != NULL)
- {
+ while ((p = string_nextinlist(&s,&sep,NULL,0)))
if (rc == Uatoi(p)) { addr->transport_return = DEFER; break; }
if (rc == Uatoi(p)) { addr->transport_return = DEFER; break; }
- }
}
/* Ensure the message contains the expanded command and arguments. This
}
/* Ensure the message contains the expanded command and arguments. This
@@
-1104,36
+1111,33
@@
if ((rc = child_close(pid, timeout)) != 0)
if (*ss != 0)
{
if (*ss != 0)
{
- addr->message = string_cat(addr->message, &size, &ptr, US" ", 1);
- addr->message = string_cat(addr->message, &size, &ptr,
- ss, Ustrlen(ss));
+ addr->message = string_catn(addr->message, &size, &ptr, US" ", 1);
+ addr->message = string_cat (addr->message, &size, &ptr, ss);
}
/* Now add the command and arguments */
}
/* Now add the command and arguments */
- addr->message = string_cat(addr->message, &size, &ptr,
+ addr->message = string_cat
n
(addr->message, &size, &ptr,
US" from command:", 14);
for (i = 0; i < sizeof(argv)/sizeof(int *) && argv[i] != NULL; i++)
{
BOOL quote = FALSE;
US" from command:", 14);
for (i = 0; i < sizeof(argv)/sizeof(int *) && argv[i] != NULL; i++)
{
BOOL quote = FALSE;
- addr->message = string_cat(addr->message, &size, &ptr, US" ", 1);
+ addr->message = string_cat
n
(addr->message, &size, &ptr, US" ", 1);
if (Ustrpbrk(argv[i], " \t") != NULL)
{
quote = TRUE;
if (Ustrpbrk(argv[i], " \t") != NULL)
{
quote = TRUE;
- addr->message = string_cat(addr->message, &size, &ptr, US"\"", 1);
+ addr->message = string_cat
n
(addr->message, &size, &ptr, US"\"", 1);
}
}
- addr->message = string_cat(addr->message, &size, &ptr, argv[i],
- Ustrlen(argv[i]));
+ addr->message = string_cat(addr->message, &size, &ptr, argv[i]);
if (quote)
if (quote)
- addr->message = string_cat(addr->message, &size, &ptr, US"\"", 1);
+ addr->message = string_cat
n
(addr->message, &size, &ptr, US"\"", 1);
}
/* Add previous filter timeout message, if present. */
}
/* Add previous filter timeout message, if present. */
- if (*tmsg != 0)
- addr->message = string_cat(addr->message, &size, &ptr, tmsg,
- Ustrlen(tmsg));
+ if (*tmsg)
+ addr->message = string_cat(addr->message, &size, &ptr, tmsg);
addr->message[ptr] = 0; /* Ensure concatenated string terminated */
}
addr->message[ptr] = 0; /* Ensure concatenated string terminated */
}
@@
-1158,4
+1162,5
@@
if (addr->transport_return != OK)
return FALSE;
}
return FALSE;
}
+#endif /*!MACRO_PREDEF*/
/* End of transport/pipe.c */
/* End of transport/pipe.c */