*************************************************/
/* Copyright (c) University of Cambridge 1995 - 2018 */
+/* Copyright (c) The Exim Maintainers 2020 */
/* See the file NOTICE for conditions of use and distribution. */
/* Functions for reading spool files. When compiling for a utility (eximon),
set_subdir_str(message_subdir, id, i);
fname = spool_fname(US"input", message_subdir, id, US"-D");
- DEBUG(D_deliver) debug_printf("Trying spool file %s\n", fname);
+ DEBUG(D_deliver) debug_printf_indent("Trying spool file %s\n", fname);
/* We protect against symlink attacks both in not propagating the
* file-descriptor to other processes as we exec, and also ensuring that we
if (fcntl(fd, F_SETLK, &lock_data) < 0)
{
- log_write(L_skip_delivery,
- LOG_MAIN,
- "Spool file is locked (another process is handling this message)");
+ log_write(L_skip_delivery, LOG_MAIN,
+ "Spool file for %s is locked (another process is handling this message)",
+ id);
(void)close(fd);
errno = 0;
return -1;
sender_host_address = NULL;
sender_host_name = NULL;
sender_host_port = 0;
-sender_host_authenticated = NULL;
+sender_host_authenticated = sender_host_auth_pubname = NULL;
sender_ident = NULL;
f.sender_local = FALSE;
f.sender_set_untrusted = FALSE;
dsn_envid = NULL;
}
+static void *
+fgets_big_buffer(FILE *fp)
+{
+int len = 0;
+
+big_buffer[0] = 0;
+if (Ufgets(big_buffer, big_buffer_size, fp) == NULL) return NULL;
+
+while ((len = Ustrlen(big_buffer)) == big_buffer_size-1
+ && big_buffer[len-1] != '\n')
+ {
+ uschar *newbuffer;
+ int newsize;
+
+ if (big_buffer_size >= BIG_BUFFER_SIZE * 4) return NULL;
+ newsize = big_buffer_size * 2;
+ newbuffer = store_get_perm(newsize, FALSE);
+ memcpy(newbuffer, big_buffer, len);
+
+ big_buffer = newbuffer;
+ big_buffer_size = newsize;
+ if (Ufgets(big_buffer + len, big_buffer_size - len, fp) == NULL) return NULL;
+ }
+
+if (len <= 0 || big_buffer[len-1] != '\n') return NULL;
+return big_buffer;
+}
+
+
/*************************************************
* Read spool header file *
errno = 0;
#ifndef COMPILE_UTILITY
-DEBUG(D_deliver) debug_printf("reading spool file %s\n", name);
+DEBUG(D_deliver) debug_printf_indent("reading spool file %s\n", name);
#endif /* COMPILE_UTILITY */
/* The first line of a spool file contains the message id followed by -H (i.e.
if (Ufgets(big_buffer, big_buffer_size, fp) == NULL) goto SPOOL_READ_ERROR;
-{
-uschar *p = big_buffer + Ustrlen(big_buffer);
-while (p > big_buffer && isspace(p[-1])) p--;
-*p = 0;
-if (!isdigit(p[-1])) goto SPOOL_FORMAT_ERROR;
-while (p > big_buffer && (isdigit(p[-1]) || '-' == p[-1])) p--;
-gid = Uatoi(p);
-if (p <= big_buffer || *(--p) != ' ') goto SPOOL_FORMAT_ERROR;
-*p = 0;
-if (!isdigit(p[-1])) goto SPOOL_FORMAT_ERROR;
-while (p > big_buffer && (isdigit(p[-1]) || '-' == p[-1])) p--;
-uid = Uatoi(p);
-if (p <= big_buffer || *(--p) != ' ') goto SPOOL_FORMAT_ERROR;
-*p = 0;
-}
+ {
+ uschar *p = big_buffer + Ustrlen(big_buffer);
+ while (p > big_buffer && isspace(p[-1])) p--;
+ *p = 0;
+ if (!isdigit(p[-1])) goto SPOOL_FORMAT_ERROR;
+ while (p > big_buffer && (isdigit(p[-1]) || '-' == p[-1])) p--;
+ gid = Uatoi(p);
+ if (p <= big_buffer || *(--p) != ' ') goto SPOOL_FORMAT_ERROR;
+ *p = 0;
+ if (!isdigit(p[-1])) goto SPOOL_FORMAT_ERROR;
+ while (p > big_buffer && (isdigit(p[-1]) || '-' == p[-1])) p--;
+ uid = Uatoi(p);
+ if (p <= big_buffer || *(--p) != ' ') goto SPOOL_FORMAT_ERROR;
+ *p = 0;
+ }
originator_login = string_copy(big_buffer);
originator_uid = (uid_t)uid;
if (sscanf(CS big_buffer, TIME_T_FMT " %d", &received_time.tv_sec, &warning_count) != 2)
goto SPOOL_FORMAT_ERROR;
received_time.tv_usec = 0;
+received_time_complete = received_time;
+
message_age = time(NULL) - received_time.tv_sec;
#ifndef COMPILE_UTILITY
#endif
#ifndef COMPILE_UTILITY
-DEBUG(D_deliver) debug_printf("user=%s uid=%ld gid=%ld sender=%s\n",
+DEBUG(D_deliver) debug_printf_indent("user=%s uid=%ld gid=%ld sender=%s\n",
originator_login, (long int)originator_uid, (long int)originator_gid,
sender_address);
#endif
for (;;)
{
- int len;
BOOL tainted;
uschar * var;
const uschar * p;
- if (Ufgets(big_buffer, big_buffer_size, fp) == NULL) goto SPOOL_READ_ERROR;
+ if (fgets_big_buffer(fp) == NULL) goto SPOOL_READ_ERROR;
if (big_buffer[0] != '-') break;
- while ( (len = Ustrlen(big_buffer)) == big_buffer_size-1
- && big_buffer[len-1] != '\n'
- )
- { /* buffer not big enough for line; certs make this possible */
- uschar * buf;
- if (big_buffer_size >= BIG_BUFFER_SIZE*4) goto SPOOL_READ_ERROR;
- buf = store_get_perm(big_buffer_size *= 2, FALSE);
- memcpy(buf, big_buffer, --len);
- big_buffer = buf;
- if (Ufgets(big_buffer+len, big_buffer_size-len, fp) == NULL)
- goto SPOOL_READ_ERROR;
- }
- big_buffer[len-1] = 0;
+ big_buffer[Ustrlen(big_buffer)-1] = 0;
tainted = big_buffer[1] == '-';
var = big_buffer + (tainted ? 2 : 1);
host_lookup_deferred = TRUE;
else if (Ustrcmp(p, "ost_lookup_failed") == 0)
host_lookup_failed = TRUE;
+ else if (Ustrncmp(p, "ost_auth_pubname", 16) == 0)
+ sender_host_auth_pubname = string_copy_taint(var + 18, tainted);
else if (Ustrncmp(p, "ost_auth", 8) == 0)
sender_host_authenticated = string_copy_taint(var + 10, tainted);
else if (Ustrncmp(p, "ost_name", 8) == 0)
{
unsigned usec;
if (sscanf(CS var + 20, "%u", &usec) == 1)
+ {
received_time.tv_usec = usec;
+ if (!received_time_complete.tv_sec) received_time_complete.tv_usec = usec;
+ }
+ }
+ else if (Ustrncmp(p, "eceived_time_complete", 21) == 0)
+ {
+ unsigned sec, usec;
+ if (sscanf(CS var + 23, "%u.%u", &sec, &usec) == 2)
+ {
+ received_time_complete.tv_sec = sec;
+ received_time_complete.tv_usec = usec;
+ }
}
break;
tls_in.sni = string_unprinting(string_copy_taint(q+4, tainted));
else if (Ustrncmp(q, "ocsp", 4) == 0)
tls_in.ocsp = q[5] - '0';
-# ifdef EXPERIMENTAL_TLS_RESUME
+# ifndef DISABLE_TLS_RESUME
else if (Ustrncmp(q, "resumption", 10) == 0)
tls_in.resumption = q[11] - 'A';
# endif
#ifndef COMPILE_UTILITY
DEBUG(D_deliver)
- debug_printf("sender_local=%d ident=%s\n", f.sender_local,
+ debug_printf_indent("sender_local=%d ident=%s\n", f.sender_local,
sender_ident ? sender_ident : US"unset");
#endif /* COMPILE_UTILITY */
goto SPOOL_FORMAT_ERROR;
#ifndef COMPILE_UTILITY
-DEBUG(D_deliver)
- {
- debug_printf("Non-recipients:\n");
- debug_print_tree(tree_nonrecipients);
- }
+DEBUG(D_deliver) debug_print_tree("Non-recipients", tree_nonrecipients);
#endif /* COMPILE_UTILITY */
/* After reading the tree, the next line has not yet been read into the
goto SPOOL_FORMAT_ERROR;
#ifndef COMPILE_UTILITY
-DEBUG(D_deliver) debug_printf("recipients_count=%d\n", rcount);
+DEBUG(D_deliver) debug_printf_indent("recipients_count=%d\n", rcount);
#endif /* COMPILE_UTILITY */
recipients_list_max = rcount;
uschar *errors_to = NULL;
uschar *p;
- if (Ufgets(big_buffer, big_buffer_size, fp) == NULL) goto SPOOL_READ_ERROR;
+ if (fgets_big_buffer(fp) == NULL) goto SPOOL_READ_ERROR;
nn = Ustrlen(big_buffer);
if (nn < 2) goto SPOOL_FORMAT_ERROR;
{
int dummy;
#if !defined (COMPILE_UTILITY)
- DEBUG(D_deliver) debug_printf("**** SPOOL_IN - Exim 3 spool file\n");
+ DEBUG(D_deliver) debug_printf_indent("**** SPOOL_IN - Exim 3 spool file\n");
#endif
while (isdigit(*(--p)) || *p == ',');
if (*p == ' ')
else if (*p == ' ')
{
#if !defined (COMPILE_UTILITY)
- DEBUG(D_deliver) debug_printf("**** SPOOL_IN - early Exim 4 spool file\n");
+ DEBUG(D_deliver) debug_printf_indent("**** SPOOL_IN - early Exim 4 spool file\n");
#endif
*p++ = 0;
(void)sscanf(CS p, "%d", &pno);
int flags;
#if !defined (COMPILE_UTILITY)
- DEBUG(D_deliver) debug_printf("**** SPOOL_IN - Exim standard format spoolfile\n");
+ DEBUG(D_deliver) debug_printf_indent("**** SPOOL_IN - Exim standard format spoolfile\n");
#endif
(void)sscanf(CS p+1, "%d", &flags);
}
#if !defined(COMPILE_UTILITY)
else
- { DEBUG(D_deliver) debug_printf("**** SPOOL_IN - No additional fields\n"); }
+ { DEBUG(D_deliver) debug_printf_indent("**** SPOOL_IN - No additional fields\n"); }
if (orcpt || dsn_flags)
- DEBUG(D_deliver) debug_printf("**** SPOOL_IN - address: <%s> orcpt: <%s> dsn_flags: 0x%x\n",
+ DEBUG(D_deliver) debug_printf_indent("**** SPOOL_IN - address: <%s> orcpt: <%s> dsn_flags: 0x%x\n",
big_buffer, orcpt, dsn_flags);
if (errors_to)
- DEBUG(D_deliver) debug_printf("**** SPOOL_IN - address: <%s> errorsto: <%s>\n",
+ DEBUG(D_deliver) debug_printf_indent("**** SPOOL_IN - address: <%s> errorsto: <%s>\n",
big_buffer, errors_to);
#endif
and give a positive response. */
#ifndef COMPILE_UTILITY
-DEBUG(D_deliver) debug_printf("body_linecount=%d message_linecount=%d\n",
+DEBUG(D_deliver) debug_printf_indent("body_linecount=%d message_linecount=%d\n",
body_linecount, message_linecount);
#endif /* COMPILE_UTILITY */
return inheader? spool_read_hdrerror : spool_read_enverror;
}
+
+#ifndef COMPILE_UTILITY
+/* Read out just the (envelope) sender string from the spool -H file.
+Remove the <> wrap and return it in allocated store. Return NULL on error.
+
+We assume that message_subdir is already set.
+*/
+
+uschar *
+spool_sender_from_msgid(const uschar * id)
+{
+uschar * name = string_sprintf("%s-H", id);
+FILE * fp;
+int n;
+uschar * yield = NULL;
+
+if (!(fp = Ufopen(spool_fname(US"input", message_subdir, name, US""), "rb")))
+ return NULL;
+
+DEBUG(D_deliver) debug_printf_indent("reading spool file %s\n", name);
+
+/* Skip the line with the copy of the filename, then the line with login/uid/gid.
+Read the next line, which should be the envelope sender.
+Do basic validation on that. */
+
+if ( Ufgets(big_buffer, big_buffer_size, fp) != NULL
+ && Ufgets(big_buffer, big_buffer_size, fp) != NULL
+ && Ufgets(big_buffer, big_buffer_size, fp) != NULL
+ && (n = Ustrlen(big_buffer)) >= 3
+ && big_buffer[0] == '<' && big_buffer[n-2] == '>'
+ )
+ {
+ yield = store_get(n-2, TRUE); /* tainted */
+ Ustrncpy(yield, big_buffer+1, n-3);
+ yield[n-3] = 0;
+ }
+fclose(fp);
+return yield;
+}
+#endif /* COMPILE_UTILITY */
+
/* vi: aw ai sw=2
*/
/* End of spool_in.c */