/* Copyright (c) Tom Kistner <tom@duncanthrax.net> 2003 - 2015
* License: GPL
- * Copyright (c) The Exim Maintainers 2016
+ * Copyright (c) The Exim Maintainers 2016 - 2020
*/
/* Code for calling spamassassin's spamd. Called from acl.c. */
uschar spam_bar_buffer[128];
uschar spam_action_buffer[32];
uschar spam_report_buffer[32600];
-uschar prev_user_name[128] = "";
+uschar * prev_user_name = NULL;
int spam_ok = 0;
int spam_rc = 0;
uschar *prev_spamd_address_work = NULL;
{
unsigned int i;
spamd_address_container * sd;
-long rnd, weights;
+long weights;
unsigned pri;
static BOOL srandomed = FALSE;
if (weights == 0) /* all servers failed */
return -1;
-for (rnd = random() % weights, i = 0; i < num_servers; i++)
+for (long rnd = random() % weights, i = 0; i < num_servers; i++)
{
sd = spamds[i];
if (!sd->is_failed && sd->priority == pri)
int sep = 0;
const uschar *list = *listptr;
uschar *user_name;
-uschar user_name_buffer[128];
unsigned long mbox_size;
FILE *mbox_file;
-int spamd_sock = -1;
+client_conn_ctx spamd_cctx = {.sock = -1};
uschar spamd_buffer[32600];
int i, j, offset, result;
uschar spamd_version[8];
result = 0;
/* find the username from the option list */
-if ((user_name = string_nextinlist(&list, &sep,
- user_name_buffer,
- sizeof(user_name_buffer))) == NULL)
+if (!(user_name = string_nextinlist(&list, &sep, NULL, 0)))
{
/* no username given, this means no scanning should be done */
return FAIL;
}
/* if username is "0" or "false", do not scan */
-if ( (Ustrcmp(user_name,"0") == 0) ||
- (strcmpic(user_name,US"false") == 0) )
+if (Ustrcmp(user_name, "0") == 0 || strcmpic(user_name, US"false") == 0)
return FAIL;
/* if there is an additional option, check if it is "true" */
override = 1;
/* expand spamd_address if needed */
-if (*spamd_address == '$')
+if (*spamd_address != '$')
+ spamd_address_work = spamd_address;
+else if (!(spamd_address_work = expand_string(spamd_address)))
{
- spamd_address_work = expand_string(spamd_address);
- if (spamd_address_work == NULL)
- {
- log_write(0, LOG_MAIN|LOG_PANIC,
- "%s spamd_address starts with $, but expansion failed: %s",
- loglabel, expand_string_message);
- return DEFER;
- }
+ log_write(0, LOG_MAIN|LOG_PANIC,
+ "%s spamd_address starts with $, but expansion failed: %s",
+ loglabel, expand_string_message);
+ return DEFER;
}
-else
- spamd_address_work = spamd_address;
DEBUG(D_acl) debug_printf_indent("spamd: addrlist '%s'\n", spamd_address_work);
uschar * s;
DEBUG(D_acl) debug_printf_indent("spamd: addr entry '%s'\n", address);
- sd = (spamd_address_container *)store_get(sizeof(spamd_address_container));
+ sd = store_get(sizeof(spamd_address_container), FALSE);
for (sublist = address, args = 0, spamd_param_init(sd);
(s = string_nextinlist(&sublist, &sublist_sep, NULL, 0));
for (;;)
{
/*XXX could potentially use TFO early-data here */
- if ( (spamd_sock = ip_streamsocket(sd->hostspec, &errstr, 5)) >= 0
+ if ( (spamd_cctx.sock = ip_streamsocket(sd->hostspec, &errstr, 5, NULL)) >= 0
|| sd->retry <= 0
)
break;
DEBUG(D_acl) debug_printf_indent("spamd: server %s: retry conn\n", sd->hostspec);
while (sd->retry > 0) sd->retry = sleep(sd->retry);
}
- if (spamd_sock >= 0)
+ if (spamd_cctx.sock >= 0)
break;
log_write(0, LOG_MAIN, "%s spamd: %s", loglabel, errstr);
}
}
-(void)fcntl(spamd_sock, F_SETFL, O_NONBLOCK);
-/* now we are connected to spamd on spamd_sock */
+(void)fcntl(spamd_cctx.sock, F_SETFL, O_NONBLOCK);
+/* now we are connected to spamd on spamd_cctx.sock */
if (sd->is_rspamd)
{
gstring * req_str;
"\r\nFrom: <", sender_address,
">\r\nRecipient-Number: ", string_sprintf("%d\r\n", recipients_count));
- for (i = 0; i < recipients_count; i ++)
+ for (int i = 0; i < recipients_count; i++)
req_str = string_append(req_str, 3,
"Rcpt: <", recipients_list[i].address, ">\r\n");
if ((s = expand_string(US"$sender_helo_name")) && *s)
req_str = string_append(req_str, 3, "IP: ", sender_host_address, "\r\n");
if ((s = expand_string(US"$authenticated_id")) && *s)
req_str = string_append(req_str, 3, "User: ", s, "\r\n");
- req_str = string_catn(req_str, "\r\n", 2);
- wrote = send(spamd_sock, req_str->s, req_str->ptr, 0);
+ req_str = string_catn(req_str, US"\r\n", 2);
+ wrote = send(spamd_cctx.sock, req_str->s, req_str->ptr, 0);
}
else
{ /* spamassassin variant */
- (void)string_format(spamd_buffer,
- sizeof(spamd_buffer),
- "REPORT SPAMC/1.2\r\nUser: %s\r\nContent-length: %ld\r\n\r\n",
- user_name,
- mbox_size);
+ int n;
+ uschar * s = string_sprintf(
+ "REPORT SPAMC/1.2\r\nUser: %s\r\nContent-length: %ld\r\n\r\n%n",
+ user_name, mbox_size, &n);
/* send our request */
- wrote = send(spamd_sock, spamd_buffer, Ustrlen(spamd_buffer), 0);
+ wrote = send(spamd_cctx.sock, s, n, 0);
}
if (wrote == -1)
{
- (void)close(spamd_sock);
+ (void)close(spamd_cctx.sock);
log_write(0, LOG_MAIN|LOG_PANIC,
"%s spamd %s send failed: %s", loglabel, callout_address, strerror(errno));
goto defer;
* broken in more recent versions (up to 10.4).
*/
#ifndef NO_POLL_H
-pollfd.fd = spamd_sock;
+pollfd.fd = spamd_cctx.sock;
pollfd.events = POLLOUT;
#endif
-(void)fcntl(spamd_sock, F_SETFL, O_NONBLOCK);
+(void)fcntl(spamd_cctx.sock, F_SETFL, O_NONBLOCK);
do
{
read = fread(spamd_buffer,1,sizeof(spamd_buffer),mbox_file);
select_tv.tv_sec = 1;
select_tv.tv_usec = 0;
FD_ZERO(&select_fd);
- FD_SET(spamd_sock, &select_fd);
- result = select(spamd_sock+1, NULL, &select_fd, NULL, &select_tv);
+ FD_SET(spamd_cctx.sock, &select_fd);
+ result = select(spamd_cctx.sock+1, NULL, &select_fd, NULL, &select_tv);
#endif
/* End Erik's patch */
log_write(0, LOG_MAIN|LOG_PANIC,
"%s timed out writing spamd %s, socket", loglabel, callout_address);
}
- (void)close(spamd_sock);
+ (void)close(spamd_cctx.sock);
goto defer;
}
- wrote = send(spamd_sock,spamd_buffer + offset,read - offset,0);
+ wrote = send(spamd_cctx.sock,spamd_buffer + offset,read - offset,0);
if (wrote == -1)
{
log_write(0, LOG_MAIN|LOG_PANIC,
"%s %s on spamd %s socket", loglabel, callout_address, strerror(errno));
- (void)close(spamd_sock);
+ (void)close(spamd_cctx.sock);
goto defer;
}
if (offset + wrote != read)
{
log_write(0, LOG_MAIN|LOG_PANIC,
"%s error reading spool file: %s", loglabel, strerror(errno));
- (void)close(spamd_sock);
+ (void)close(spamd_cctx.sock);
goto defer;
}
/* we're done sending, close socket for writing */
if (!sd->is_rspamd)
- shutdown(spamd_sock,SHUT_WR);
+ shutdown(spamd_cctx.sock,SHUT_WR);
/* read spamd response using what's left of the timeout. */
memset(spamd_buffer, 0, sizeof(spamd_buffer));
offset = 0;
-while ((i = ip_recv(spamd_sock,
+while ((i = ip_recv(&spamd_cctx,
spamd_buffer + offset,
sizeof(spamd_buffer) - offset - 1,
- sd->timeout - time(NULL) + start)) > 0)
+ sd->timeout + start)) > 0)
offset += i;
spamd_buffer[offset] = '\0'; /* guard byte */
{
log_write(0, LOG_MAIN|LOG_PANIC,
"%s error reading from spamd %s, socket: %s", loglabel, callout_address, strerror(errno));
- (void)close(spamd_sock);
+ (void)close(spamd_cctx.sock);
return DEFER;
}
/* reading done */
-(void)close(spamd_sock);
+(void)close(spamd_cctx.sock);
if (sd->is_rspamd)
{ /* rspamd variant of reply */
}
Ustrcpy(spam_action_buffer,
- spamd_score >= spamd_threshold ? "reject" : "no action");
+ spamd_score >= spamd_threshold ? US"reject" : US"no action");
}
/* Create report. Since this is a multiline string,
prev_spamd_address_work = string_copy(spamd_address_work);
/* remember user name and "been here" for it */
-Ustrcpy(prev_user_name, user_name);
+prev_user_name = user_name;
spam_ok = 1;
return override
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