if (n < 5) return FALSE; /* malformed line */
buffer[n-1] = 0; /* Remove \n */
-node = store_get(sizeof(tree_node) + n - 3);
+node = store_get(sizeof(tree_node) + n - 3, is_tainted(buffer));
*connect = node;
Ustrcpy(node->name, buffer + 3);
node->data.ptr = NULL;
if (n < 3 || big_buffer[0] != '<' || big_buffer[n-2] != '>')
goto SPOOL_FORMAT_ERROR;
-sender_address = store_get(n-2);
+sender_address = store_get(n-2, TRUE); /* tainted */
Ustrncpy(sender_address, big_buffer+1, n-3);
sender_address[n-3] = 0;
To allow new versions of Exim that add additional flags to interwork with older
versions that do not understand them, just ignore any lines starting with "-"
that we don't recognize. Otherwise it wouldn't be possible to back off a new
-version that left new-style flags written on the spool. */
+version that left new-style flags written on the spool.
+
+If the line starts with "--" the content of the variable is tainted. */
-p = big_buffer + 2;
for (;;)
{
int len;
+ BOOL tainted;
+ uschar * var;
+
if (Ufgets(big_buffer, big_buffer_size, fp) == NULL) goto SPOOL_READ_ERROR;
if (big_buffer[0] != '-') break;
while ( (len = Ustrlen(big_buffer)) == big_buffer_size-1
{ /* 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);
+ 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)
}
big_buffer[len-1] = 0;
- switch(big_buffer[1])
+ tainted = big_buffer[1] == '-';
+ var = big_buffer + (tainted ? 2 : 1);
+ p = var + 1;
+
+ switch(*var)
{
case 'a':
uschar *name, *endptr;
int count;
tree_node *node;
- endptr = Ustrchr(big_buffer + 6, ' ');
+ endptr = Ustrchr(var + 5, ' ');
if (endptr == NULL) goto SPOOL_FORMAT_ERROR;
- name = string_sprintf("%c%.*s", big_buffer[4],
- (int)(endptr - big_buffer - 6), big_buffer + 6);
+ name = string_sprintf("%c%.*s", var[3],
+ (int)(endptr - var - 5), var + 5);
if (sscanf(CS endptr, " %d", &count) != 1) goto SPOOL_FORMAT_ERROR;
node = acl_var_create(name);
- node->data.ptr = store_get(count + 1);
+ node->data.ptr = store_get(count + 1, tainted);
if (fread(node->data.ptr, 1, count+1, fp) < count) goto SPOOL_READ_ERROR;
((uschar*)node->data.ptr)[count] = 0;
}
f.allow_unqualified_sender = TRUE;
else if (Ustrncmp(p, "uth_id", 6) == 0)
- authenticated_id = string_copy(big_buffer + 9);
+ authenticated_id = string_copy_taint(var + 8, tainted);
else if (Ustrncmp(p, "uth_sender", 10) == 0)
- authenticated_sender = string_copy(big_buffer + 13);
+ authenticated_sender = string_copy_taint(var + 12, tainted);
else if (Ustrncmp(p, "ctive_hostname", 14) == 0)
- smtp_active_hostname = string_copy(big_buffer + 17);
+ smtp_active_hostname = string_copy_taint(var + 16, tainted);
/* For long-term backward compatibility, we recognize "-acl", which was
used before the number of ACL variables changed from 10 to 20. This was
unsigned index, count;
uschar name[20]; /* Need plenty of space for %u format */
tree_node * node;
- if ( sscanf(CS big_buffer + 5, "%u %u", &index, &count) != 2
+ if ( sscanf(CS var + 4, "%u %u", &index, &count) != 2
|| index >= 20
|| count > 16384 /* arbitrary limit on variable size */
)
else
(void) string_format(name, sizeof(name), "%c%u", 'm', index - 10);
node = acl_var_create(name);
- node->data.ptr = store_get(count + 1);
+ node->data.ptr = store_get(count + 1, tainted);
/* We sanity-checked the count, so disable the Coverity error */
/* coverity[tainted_data] */
if (fread(node->data.ptr, 1, count+1, fp) < count) goto SPOOL_READ_ERROR;
case 'b':
if (Ustrncmp(p, "ody_linecount", 13) == 0)
- body_linecount = Uatoi(big_buffer + 15);
+ body_linecount = Uatoi(var + 14);
else if (Ustrncmp(p, "ody_zerocount", 13) == 0)
- body_zerocount = Uatoi(big_buffer + 15);
+ body_zerocount = Uatoi(var + 14);
#ifdef EXPERIMENTAL_BRIGHTMAIL
else if (Ustrncmp(p, "mi_verdicts ", 12) == 0)
- bmi_verdicts = string_copy(big_buffer + 14);
+ bmi_verdicts = string_copy_taint(var + 13, tainted);
#endif
break;
f.deliver_firsttime = TRUE;
/* Check if the dsn flags have been set in the header file */
else if (Ustrncmp(p, "sn_ret", 6) == 0)
- dsn_ret= atoi(CS big_buffer + 8);
+ dsn_ret= atoi(CS var + 7);
else if (Ustrncmp(p, "sn_envid", 8) == 0)
- dsn_envid = string_copy(big_buffer + 11);
+ dsn_envid = string_copy_taint(var + 10, tainted);
break;
case 'f':
if (Ustrncmp(p, "rozen", 5) == 0)
{
f.deliver_freeze = TRUE;
- if (sscanf(CS big_buffer+7, TIME_T_FMT, &deliver_frozen_at) != 1)
+ if (sscanf(CS var+6, TIME_T_FMT, &deliver_frozen_at) != 1)
goto SPOOL_READ_ERROR;
}
break;
else if (Ustrcmp(p, "ost_lookup_failed") == 0)
host_lookup_failed = TRUE;
else if (Ustrncmp(p, "ost_auth", 8) == 0)
- sender_host_authenticated = string_copy(big_buffer + 11);
+ sender_host_authenticated = string_copy_taint(var + 10, tainted);
else if (Ustrncmp(p, "ost_name", 8) == 0)
- sender_host_name = string_copy(big_buffer + 11);
+ sender_host_name = string_copy_taint(var + 10, tainted);
else if (Ustrncmp(p, "elo_name", 8) == 0)
- sender_helo_name = string_copy(big_buffer + 11);
+ sender_helo_name = string_copy_taint(var + 10, tainted);
/* We now record the port number after the address, separated by a
dot. For compatibility during upgrading, do nothing if there
else if (Ustrncmp(p, "ost_address", 11) == 0)
{
- sender_host_port = host_address_extract_port(big_buffer + 14);
- sender_host_address = string_copy(big_buffer + 14);
+ sender_host_port = host_address_extract_port(var + 13);
+ sender_host_address = string_copy_taint(var + 13, tainted);
}
break;
case 'i':
if (Ustrncmp(p, "nterface_address", 16) == 0)
{
- interface_port = host_address_extract_port(big_buffer + 19);
- interface_address = string_copy(big_buffer + 19);
+ interface_port = host_address_extract_port(var + 18);
+ interface_address = string_copy_taint(var + 18, tainted);
}
else if (Ustrncmp(p, "dent", 4) == 0)
- sender_ident = string_copy(big_buffer + 7);
+ sender_ident = string_copy_taint(var + 6, tainted);
break;
case 'l':
if (Ustrcmp(p, "ocal") == 0)
f.sender_local = TRUE;
- else if (Ustrcmp(big_buffer, "-localerror") == 0)
+ else if (Ustrcmp(var, "localerror") == 0)
f.local_error_message = TRUE;
#ifdef HAVE_LOCAL_SCAN
else if (Ustrncmp(p, "ocal_scan ", 10) == 0)
- local_scan_data = string_copy(big_buffer + 12);
+ local_scan_data = string_copy_taint(var + 11, tainted);
#endif
break;
case 'm':
- if (Ustrcmp(p, "anual_thaw") == 0) f.deliver_manual_thaw = TRUE;
+ if (Ustrcmp(p, "anual_thaw") == 0)
+ f.deliver_manual_thaw = TRUE;
else if (Ustrncmp(p, "ax_received_linelength", 22) == 0)
- max_received_linelength = Uatoi(big_buffer + 24);
+ max_received_linelength = Uatoi(var + 23);
break;
case 'N':
case 'r':
if (Ustrncmp(p, "eceived_protocol", 16) == 0)
- received_protocol = string_copy(big_buffer + 19);
+ received_protocol = string_copy_taint(var + 18, tainted);
else if (Ustrncmp(p, "eceived_time_usec", 17) == 0)
{
unsigned usec;
- if (sscanf(CS big_buffer + 21, "%u", &usec) == 1)
+ if (sscanf(CS var + 20, "%u", &usec) == 1)
received_time.tv_usec = usec;
}
break;
f.sender_set_untrusted = TRUE;
#ifdef WITH_CONTENT_SCAN
else if (Ustrncmp(p, "pam_bar ", 8) == 0)
- spam_bar = string_copy(big_buffer + 10);
+ spam_bar = string_copy_taint(var + 9, tainted);
else if (Ustrncmp(p, "pam_score ", 10) == 0)
- spam_score = string_copy(big_buffer + 12);
+ spam_score = string_copy_taint(var + 11, tainted);
else if (Ustrncmp(p, "pam_score_int ", 14) == 0)
- spam_score_int = string_copy(big_buffer + 16);
+ spam_score_int = string_copy_taint(var + 15, tainted);
#endif
#ifndef COMPILE_UTILITY
else if (Ustrncmp(p, "pool_file_wireformat", 20) == 0)
if (Ustrncmp(q, "certificate_verified", 20) == 0)
tls_in.certificate_verified = TRUE;
else if (Ustrncmp(q, "cipher", 6) == 0)
- tls_in.cipher = string_copy(big_buffer + 12);
+ tls_in.cipher = string_copy_taint(var + 11, tainted);
# ifndef COMPILE_UTILITY /* tls support fns not built in */
else if (Ustrncmp(q, "ourcert", 7) == 0)
- (void) tls_import_cert(big_buffer + 13, &tls_in.ourcert);
+ (void) tls_import_cert(var + 12, &tls_in.ourcert);
else if (Ustrncmp(q, "peercert", 8) == 0)
- (void) tls_import_cert(big_buffer + 14, &tls_in.peercert);
+ (void) tls_import_cert(var + 13, &tls_in.peercert);
# endif
else if (Ustrncmp(q, "peerdn", 6) == 0)
- tls_in.peerdn = string_unprinting(string_copy(big_buffer + 12));
+ tls_in.peerdn = string_unprinting(string_copy_taint(var + 11, tainted));
else if (Ustrncmp(q, "sni", 3) == 0)
- tls_in.sni = string_unprinting(string_copy(big_buffer + 9));
+ tls_in.sni = string_unprinting(string_copy_taint(var + 8, tainted));
else if (Ustrncmp(q, "ocsp", 4) == 0)
- tls_in.ocsp = big_buffer[10] - '0';
+ tls_in.ocsp = var[9] - '0';
# ifdef EXPERIMENTAL_TLS_RESUME
else if (Ustrncmp(q, "resumption", 10) == 0)
- tls_in.resumption = big_buffer[16] - 'A';
+ tls_in.resumption = var[15] - 'A';
# endif
}
#endif /* COMPILE_UTILITY */
recipients_list_max = rcount;
-recipients_list = store_get(rcount * sizeof(recipient_item));
+recipients_list = store_get(rcount * sizeof(recipient_item), FALSE);
/* We sanitised the count and know we have enough memory, so disable
the Coverity error on recipients_count */
if (*p == ',')
{
int dummy;
+#if !defined (COMPILE_UTILITY)
+ DEBUG(D_deliver) debug_printf("**** 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");
+#endif
*p++ = 0;
(void)sscanf(CS p, "%d", &pno);
}
if (len > 0)
{
p -= len;
- errors_to = string_copy(p);
+ errors_to = string_copy_taint(p, TRUE);
}
}
if (len > 0)
{
p -= len;
- orcpt = string_copy(p);
+ orcpt = string_copy_taint(p, TRUE);
}
}
big_buffer, errors_to);
#endif
- recipients_list[recipients_count].address = string_copy(big_buffer);
+ recipients_list[recipients_count].address = string_copy_taint(big_buffer, TRUE);
recipients_list[recipients_count].pno = pno;
recipients_list[recipients_count].errors_to = errors_to;
recipients_list[recipients_count].orcpt = orcpt;
if (read_headers)
{
- h = store_get(sizeof(header_line));
+ h = store_get(sizeof(header_line), FALSE);
h->next = NULL;
h->type = flag[0];
h->slen = n;
- h->text = store_get(n+1);
+ h->text = store_get(n+1, TRUE); /* tainted */
if (h->type == htype_received) received_count++;
git://git.exim.org / exim.git / blobdiff