US"rxquote",
US"s",
US"sha1",
+ US"sha2",
US"sha256",
US"sha3",
US"stat",
EOP_RXQUOTE,
EOP_S,
EOP_SHA1,
+ EOP_SHA2,
EOP_SHA256,
EOP_SHA3,
EOP_STAT,
{ "tls_in_ourcert", vtype_cert, &tls_in.ourcert },
{ "tls_in_peercert", vtype_cert, &tls_in.peercert },
{ "tls_in_peerdn", vtype_stringptr, &tls_in.peerdn },
-#if defined(SUPPORT_TLS)
+#ifdef EXPERIMENTAL_TLS_RESUME
+ { "tls_in_resumption", vtype_int, &tls_in.resumption },
+#endif
+#ifndef DISABLE_TLS
{ "tls_in_sni", vtype_stringptr, &tls_in.sni },
#endif
{ "tls_out_bits", vtype_int, &tls_out.bits },
{ "tls_out_ourcert", vtype_cert, &tls_out.ourcert },
{ "tls_out_peercert", vtype_cert, &tls_out.peercert },
{ "tls_out_peerdn", vtype_stringptr, &tls_out.peerdn },
-#if defined(SUPPORT_TLS)
+#ifdef EXPERIMENTAL_TLS_RESUME
+ { "tls_out_resumption", vtype_int, &tls_out.resumption },
+#endif
+#ifndef DISABLE_TLS
{ "tls_out_sni", vtype_stringptr, &tls_out.sni },
#endif
#ifdef SUPPORT_DANE
#endif
{ "tls_peerdn", vtype_stringptr, &tls_in.peerdn }, /* mind the alphabetical order! */
-#if defined(SUPPORT_TLS)
+#ifndef DISABLE_TLS
{ "tls_sni", vtype_stringptr, &tls_in.sni }, /* mind the alphabetical order! */
#endif
However, if we're stuck unable to provide this, then we'll fall back to
appallingly bad randomness.
-If SUPPORT_TLS is defined then this will not be used except as an emergency
+If DISABLE_TLS is not defined then this will not be used except as an emergency
fallback.
Arguments:
Returns a random number in range [0, max-1]
*/
-#ifdef SUPPORT_TLS
+#ifndef DISABLE_TLS
# define vaguely_random_number vaguely_random_number_fallback
#endif
int
vaguely_random_number(int max)
{
-#ifdef SUPPORT_TLS
+#ifndef DISABLE_TLS
# undef vaguely_random_number
#endif
- static pid_t pid = 0;
- pid_t p2;
-#if defined(HAVE_SRANDOM) && !defined(HAVE_SRANDOMDEV)
- struct timeval tv;
-#endif
+static pid_t pid = 0;
+pid_t p2;
- p2 = getpid();
- if (p2 != pid)
+if ((p2 = getpid()) != pid)
+ {
+ if (pid != 0)
{
- if (pid != 0)
- {
#ifdef HAVE_ARC4RANDOM
- /* cryptographically strong randomness, common on *BSD platforms, not
- so much elsewhere. Alas. */
-#ifndef NOT_HAVE_ARC4RANDOM_STIR
- arc4random_stir();
-#endif
+ /* cryptographically strong randomness, common on *BSD platforms, not
+ so much elsewhere. Alas. */
+# ifndef NOT_HAVE_ARC4RANDOM_STIR
+ arc4random_stir();
+# endif
#elif defined(HAVE_SRANDOM) || defined(HAVE_SRANDOMDEV)
-#ifdef HAVE_SRANDOMDEV
- /* uses random(4) for seeding */
- srandomdev();
-#else
- gettimeofday(&tv, NULL);
- srandom(tv.tv_sec | tv.tv_usec | getpid());
-#endif
+# ifdef HAVE_SRANDOMDEV
+ /* uses random(4) for seeding */
+ srandomdev();
+# else
+ {
+ struct timeval tv;
+ gettimeofday(&tv, NULL);
+ srandom(tv.tv_sec | tv.tv_usec | getpid());
+ }
+# endif
#else
- /* Poor randomness and no seeding here */
+ /* Poor randomness and no seeding here */
#endif
- }
- pid = p2;
}
+ pid = p2;
+ }
#ifdef HAVE_ARC4RANDOM
- return arc4random() % max;
+return arc4random() % max;
#elif defined(HAVE_SRANDOM) || defined(HAVE_SRANDOMDEV)
- return random() % max;
+return random() % max;
#else
- /* This one returns a 16-bit number, definitely not crypto-strong */
- return random_number(max);
+/* This one returns a 16-bit number, definitely not crypto-strong */
+return random_number(max);
#endif
}
/* Certificate fields, by name. Worry about by-OID later */
/* Names are chosen to not have common prefixes */
-#ifdef SUPPORT_TLS
+#ifndef DISABLE_TLS
typedef struct
{
uschar * name;
string_sprintf("bad field selector \"%s\" for certextract", field);
return NULL;
}
-#endif /*SUPPORT_TLS*/
+#endif /*DISABLE_TLS*/
/*************************************************
* Extract a substring from a string *
if ((Ustrncmp(name, "acl_c", 5) == 0 || Ustrncmp(name, "acl_m", 5) == 0) &&
!isalpha(name[5]))
{
- tree_node *node =
- tree_search((name[4] == 'c')? acl_var_c : acl_var_m, name + 4);
+ tree_node * node =
+ tree_search(name[4] == 'c' ? acl_var_c : acl_var_m, name + 4);
+ return node ? node->data.ptr : strict_acl_vars ? NULL : US"";
+ }
+else if (Ustrncmp(name, "r_", 2) == 0)
+ {
+ tree_node * node = tree_search(router_var, name + 2);
return node ? node->data.ptr : strict_acl_vars ? NULL : US"";
}
return sender_host_name ? sender_host_name : US"";
case vtype_localpart: /* Get local part from address */
- s = *((uschar **)(val));
- if (s == NULL) return US"";
- domain = Ustrrchr(s, '@');
- if (domain == NULL) return s;
+ if (!(s = *((uschar **)(val)))) return US"";
+ if (!(domain = Ustrrchr(s, '@'))) return s;
if (domain - s > sizeof(var_buffer) - 1)
log_write(0, LOG_MAIN|LOG_PANIC_DIE, "local part longer than " SIZE_T_FMT
" in string expansion", sizeof(var_buffer));
- Ustrncpy(var_buffer, s, domain - s);
- var_buffer[domain - s] = 0;
- return var_buffer;
+ return string_copyn(s, domain - s);
case vtype_domain: /* Get domain from address */
- s = *((uschar **)(val));
- if (s == NULL) return US"";
+ if (!(s = *((uschar **)(val)))) return US"";
domain = Ustrrchr(s, '@');
- return (domain == NULL)? US"" : domain + 1;
+ return domain ? domain + 1 : US"";
case vtype_msgheaders:
return find_header(NULL, newsize, exists_only ? FH_EXISTS_ONLY : 0, NULL);
+/************************************************/
+/* Return offset in ops table, or -1 if not found.
+Repoint to just after the operator in the string.
+
+Argument:
+ ss string representation of operator
+ opname split-out operator name
+*/
+
+static int
+identify_operator(const uschar ** ss, uschar ** opname)
+{
+const uschar * s = *ss;
+uschar name[256];
+
+/* Numeric comparisons are symbolic */
+
+if (*s == '=' || *s == '>' || *s == '<')
+ {
+ int p = 0;
+ name[p++] = *s++;
+ if (*s == '=')
+ {
+ name[p++] = '=';
+ s++;
+ }
+ name[p] = 0;
+ }
+
+/* All other conditions are named */
+
+else
+ s = read_name(name, sizeof(name), s, US"_");
+*ss = s;
+
+/* If we haven't read a name, it means some non-alpha character is first. */
+
+if (!name[0])
+ {
+ expand_string_message = string_sprintf("condition name expected, "
+ "but found \"%.16s\"", s);
+ return -1;
+ }
+if (opname)
+ *opname = string_copy(name);
+
+return chop_match(name, cond_table, nelem(cond_table));
+}
+
+
/*************************************************
* Read and evaluate a condition *
*************************************************/
int rc, cond_type, roffset;
int_eximarith_t num[2];
struct stat statbuf;
+uschar * opname;
uschar name[256];
const uschar *sub[10];
if (*s == '!') { testfor = !testfor; s++; } else break;
}
-/* Numeric comparisons are symbolic */
-
-if (*s == '=' || *s == '>' || *s == '<')
- {
- int p = 0;
- name[p++] = *s++;
- if (*s == '=')
- {
- name[p++] = '=';
- s++;
- }
- name[p] = 0;
- }
-
-/* All other conditions are named */
-
-else s = read_name(name, 256, s, US"_");
-
-/* If we haven't read a name, it means some non-alpha character is first. */
-
-if (name[0] == 0)
- {
- expand_string_message = string_sprintf("condition name expected, "
- "but found \"%.16s\"", s);
- return NULL;
- }
-
-/* Find which condition we are dealing with, and switch on it */
-
-cond_type = chop_match(name, cond_table, nelem(cond_table));
-switch(cond_type)
+switch(cond_type = identify_operator(&s, &opname))
{
/* def: tests for a non-empty variable, or for the existence of a header. If
yield == NULL we are in a skipping state, and don't care about the answer. */
return NULL;
}
- s = read_name(name, 256, s+1, US"_");
+ s = read_name(name, sizeof(name), s+1, US"_");
/* Test for a header's existence. If the name contains a closing brace
character, this may be a user error where the terminating colon has been
&& (*++t == '_' || Ustrncmp(t, "eader_", 6) == 0)
)
{
- s = read_header_name(name, 256, s);
+ s = read_header_name(name, sizeof(name), s);
/* {-for-text-editors */
if (Ustrchr(name, '}') != NULL) malformed_header = TRUE;
if (yield) *yield =
{
if (!(t = find_variable(name, TRUE, yield == NULL, NULL)))
{
- expand_string_message = (name[0] == 0)?
- string_sprintf("variable name omitted after \"def:\"") :
- string_sprintf("unknown variable \"%s\" after \"def:\"", name);
+ expand_string_message = name[0]
+ ? string_sprintf("unknown variable \"%s\" after \"def:\"", name)
+ : US"variable name omitted after \"def:\"";
check_variable_error_message(name);
return NULL;
}
if (yield != NULL)
{
+ int rc;
*resetok = FALSE; /* eval_acl() might allocate; do not reclaim */
- switch(eval_acl(sub, nelem(sub), &user_msg))
+ switch(rc = eval_acl(sub, nelem(sub), &user_msg))
{
case OK:
cond = TRUE;
f.expand_string_forcedfail = TRUE;
/*FALLTHROUGH*/
default:
- expand_string_message = string_sprintf("error from acl \"%s\"", sub[0]);
+ expand_string_message = string_sprintf("%s from acl \"%s\"",
+ rc_names[rc], sub[0]);
return NULL;
}
}
{
if (i == 0) goto COND_FAILED_CURLY_START;
expand_string_message = string_sprintf("missing 2nd string in {} "
- "after \"%s\"", name);
+ "after \"%s\"", opname);
return NULL;
}
if (!(sub[i] = expand_string_internal(s+1, TRUE, &s, yield == NULL,
conditions that compare numbers do not start with a letter. This just saves
checking for them individually. */
- if (!isalpha(name[0]) && yield != NULL)
+ if (!isalpha(opname[0]) && yield != NULL)
if (sub[i][0] == 0)
{
num[i] = 0;
uschar *save_iterate_item = iterate_item;
int (*compare)(const uschar *, const uschar *);
- DEBUG(D_expand) debug_printf_indent("condition: %s item: %s\n", name, sub[0]);
+ DEBUG(D_expand) debug_printf_indent("condition: %s item: %s\n", opname, sub[0]);
tempcond = FALSE;
compare = cond_type == ECOND_INLISTI
if (*s != '{') /* }-for-text-editors */
{
expand_string_message = string_sprintf("each subcondition "
- "inside an \"%s{...}\" condition must be in its own {}", name);
+ "inside an \"%s{...}\" condition must be in its own {}", opname);
return NULL;
}
if (!(s = eval_condition(s+1, resetok, subcondptr)))
{
expand_string_message = string_sprintf("%s inside \"%s{...}\" condition",
- expand_string_message, name);
+ expand_string_message, opname);
return NULL;
}
while (isspace(*s)) s++;
{
/* {-for-text-editors */
expand_string_message = string_sprintf("missing } at end of condition "
- "inside \"%s\" group", name);
+ "inside \"%s\" group", opname);
return NULL;
}
int sep = 0;
uschar *save_iterate_item = iterate_item;
- DEBUG(D_expand) debug_printf_indent("condition: %s\n", name);
+ DEBUG(D_expand) debug_printf_indent("condition: %s\n", opname);
while (isspace(*s)) s++;
if (*s++ != '{') goto COND_FAILED_CURLY_START; /* }-for-text-editors */
if (!(s = eval_condition(sub[1], resetok, NULL)))
{
expand_string_message = string_sprintf("%s inside \"%s\" condition",
- expand_string_message, name);
+ expand_string_message, opname);
return NULL;
}
while (isspace(*s)) s++;
{
/* {-for-text-editors */
expand_string_message = string_sprintf("missing } at end of condition "
- "inside \"%s\"", name);
+ "inside \"%s\"", opname);
return NULL;
}
return NULL;
}
- DEBUG(D_expand) debug_printf_indent("%s: $item = \"%s\"\n", name, iterate_item);
+ DEBUG(D_expand) debug_printf_indent("%s: $item = \"%s\"\n", opname, iterate_item);
if (!eval_condition(sub[1], resetok, &tempcond))
{
expand_string_message = string_sprintf("%s inside \"%s\" condition",
- expand_string_message, name);
+ expand_string_message, opname);
iterate_item = save_iterate_item;
return NULL;
}
- DEBUG(D_expand) debug_printf_indent("%s: condition evaluated to %s\n", name,
+ DEBUG(D_expand) debug_printf_indent("%s: condition evaluated to %s\n", opname,
tempcond? "true":"false");
if (yield) *yield = (tempcond == testfor);
/* Unknown condition */
default:
- expand_string_message = string_sprintf("unknown condition \"%s\"", name);
- return NULL;
+ if (!expand_string_message || !*expand_string_message)
+ expand_string_message = string_sprintf("unknown condition \"%s\"", opname);
+ return NULL;
} /* End switch on condition type */
/* Missing braces at start and end of data */
COND_FAILED_CURLY_START:
-expand_string_message = string_sprintf("missing { after \"%s\"", name);
+expand_string_message = string_sprintf("missing { after \"%s\"", opname);
return NULL;
COND_FAILED_CURLY_END:
expand_string_message = string_sprintf("missing } at end of \"%s\" condition",
- name);
+ opname);
return NULL;
/* A condition requires code that is not compiled */
!defined(SUPPORT_CRYPTEQ) || !defined(CYRUS_SASLAUTHD_SOCKET)
COND_FAILED_NOT_COMPILED:
expand_string_message = string_sprintf("support for \"%s\" not compiled",
- name);
+ opname);
return NULL;
#endif
}
static uschar *
prvs_daystamp(int day_offset)
{
-uschar *days = store_get(32); /* Need at least 24 for cases */
+uschar *days = store_get(32, FALSE); /* Need at least 24 for cases */
(void)string_format(days, 32, TIME_T_FMT, /* where TIME_T_FMT is %lld */
(time(NULL) + day_offset*86400)/86400);
return (Ustrlen(days) >= 3) ? &days[Ustrlen(days)-3] : US"100";
uschar finalhash[20];
uschar innerkey[64];
uschar outerkey[64];
-uschar *finalhash_hex = store_get(40);
+uschar *finalhash_hex;
if (key_num == NULL)
key_num = US"0";
chash_mid(HMAC_SHA1, &h, outerkey);
chash_end(HMAC_SHA1, &h, innerhash, 20, finalhash);
-p = finalhash_hex;
+/* Hashing is deemed sufficient to de-taint any input data */
+
+p = finalhash_hex = store_get(40, FALSE);
for (int i = 0; i < 3; i++)
{
*p++ = hex_digits[(finalhash[i] & 0xf0) >> 4];
}
-#ifdef SUPPORT_TLS
+#ifndef DISABLE_TLS
static gstring *
cat_file_tls(void * tls_ctx, gstring * yield, uschar * eol)
{
{
uschar *s = *sptr;
int_eximarith_t x = eval_op_or(&s, decimal, error);
-if (*error == NULL)
- {
+
+if (!*error)
if (endket)
- {
if (*s != ')')
*error = US"expecting closing parenthesis";
else
while (isspace(*(++s)));
- }
- else if (*s != 0) *error = US"expecting operator";
- }
+ else if (*s)
+ *error = US"expecting operator";
*sptr = s;
return x;
}
static int_eximarith_t
eval_number(uschar **sptr, BOOL decimal, uschar **error)
{
-register int c;
+int c;
int_eximarith_t n;
uschar *s = *sptr;
+
while (isspace(*s)) s++;
-c = *s;
-if (isdigit(c))
+if (isdigit((c = *s)))
{
int count;
(void)sscanf(CS s, (decimal? SC_EXIM_DEC "%n" : SC_EXIM_ARITH "%n"), &n, &count);
else if (op == '~') x = ~x;
}
else
- {
x = eval_number(&s, decimal, error);
- }
+
*sptr = s;
return x;
}
+/************************************************/
+/* Comparison operation for sort expansion. We need to avoid
+re-expanding the fields being compared, so need a custom routine.
+
+Arguments:
+ cond_type Comparison operator code
+ leftarg, rightarg Arguments for comparison
+
+Return true iff (leftarg compare rightarg)
+*/
+
+static BOOL
+sortsbefore(int cond_type, BOOL alpha_cond,
+ const uschar * leftarg, const uschar * rightarg)
+{
+int_eximarith_t l_num, r_num;
+
+if (!alpha_cond)
+ {
+ l_num = expanded_string_integer(leftarg, FALSE);
+ if (expand_string_message) return FALSE;
+ r_num = expanded_string_integer(rightarg, FALSE);
+ if (expand_string_message) return FALSE;
+
+ switch (cond_type)
+ {
+ case ECOND_NUM_G: return l_num > r_num;
+ case ECOND_NUM_GE: return l_num >= r_num;
+ case ECOND_NUM_L: return l_num < r_num;
+ case ECOND_NUM_LE: return l_num <= r_num;
+ default: break;
+ }
+ }
+else
+ switch (cond_type)
+ {
+ case ECOND_STR_LT: return Ustrcmp (leftarg, rightarg) < 0;
+ case ECOND_STR_LTI: return strcmpic(leftarg, rightarg) < 0;
+ case ECOND_STR_LE: return Ustrcmp (leftarg, rightarg) <= 0;
+ case ECOND_STR_LEI: return strcmpic(leftarg, rightarg) <= 0;
+ case ECOND_STR_GT: return Ustrcmp (leftarg, rightarg) > 0;
+ case ECOND_STR_GTI: return strcmpic(leftarg, rightarg) > 0;
+ case ECOND_STR_GE: return Ustrcmp (leftarg, rightarg) >= 0;
+ case ECOND_STR_GEI: return strcmpic(leftarg, rightarg) >= 0;
+ default: break;
+ }
+return FALSE; /* should not happen */
+}
+
+
/*************************************************
* Expand string *
*************************************************/
expand_string_internal(const uschar *string, BOOL ket_ends, const uschar **left,
BOOL skipping, BOOL honour_dollar, BOOL *resetok_p)
{
+rmark reset_point = store_mark();
gstring * yield = string_get(Ustrlen(string) + 64);
int item_type;
const uschar *s = string;
f.expand_string_forcedfail = FALSE;
expand_string_message = US"";
+if (is_tainted(string))
+ {
+ expand_string_message =
+ string_sprintf("attempt to expand tainted string '%s'", s);
+ log_write(0, LOG_MAIN|LOG_PANIC, "%s", expand_string_message);
+ goto EXPAND_FAILED;
+ }
+
while (*s != 0)
{
uschar *value;
buffer. */
if (!yield)
- g = store_get(sizeof(gstring));
+ g = store_get(sizeof(gstring), FALSE);
else if (yield->ptr == 0)
{
- if (resetok) store_reset(yield);
+ if (resetok) reset_point = store_reset(reset_point);
yield = NULL;
- g = store_get(sizeof(gstring)); /* alloc _before_ calling find_variable() */
+ reset_point = store_mark();
+ g = store_get(sizeof(gstring), FALSE); /* alloc _before_ calling find_variable() */
}
/* Header */
{
uschar *sub[10]; /* name + arg1-arg9 (which must match number of acl_arg[]) */
uschar *user_msg;
+ int rc;
switch(read_subs(sub, nelem(sub), 1, &s, skipping, TRUE, US"acl",
&resetok))
if (skipping) continue;
resetok = FALSE;
- switch(eval_acl(sub, nelem(sub), &user_msg))
+ switch(rc = eval_acl(sub, nelem(sub), &user_msg))
{
case OK:
case FAIL:
f.expand_string_forcedfail = TRUE;
/*FALLTHROUGH*/
default:
- expand_string_message = string_sprintf("error from acl \"%s\"", sub[0]);
+ expand_string_message = string_sprintf("%s from acl \"%s\"",
+ rc_names[rc], sub[0]);
goto EXPAND_FAILED;
}
}
client_conn_ctx cctx;
int timeout = 5;
int save_ptr = yield->ptr;
- FILE * fp;
+ FILE * fp = NULL;
uschar * arg;
uschar * sub_arg[4];
uschar * server_name = NULL;
host_item host;
BOOL do_shutdown = TRUE;
- BOOL do_tls = FALSE; /* Only set under SUPPORT_TLS */
+ BOOL do_tls = FALSE; /* Only set under ! DISABLE_TLS */
blob reqstr;
if (expand_forbid & RDO_READSOCK)
while ((item = string_nextinlist(&list, &sep, NULL, 0)))
if (Ustrncmp(item, US"shutdown=", 9) == 0)
{ if (Ustrcmp(item + 9, US"no") == 0) do_shutdown = FALSE; }
-#ifdef SUPPORT_TLS
+#ifndef DISABLE_TLS
else if (Ustrncmp(item, US"tls=", 4) == 0)
{ if (Ustrcmp(item + 9, US"no") != 0) do_tls = TRUE; }
#endif
port = ntohs(service_info->s_port);
}
- /*XXX we trust that the request is idempotent. Hmm. */
+ /*XXX we trust that the request is idempotent for TFO. Hmm. */
cctx.sock = ip_connectedsocket(SOCK_STREAM, server_name, port, port,
timeout, &host, &expand_string_message,
do_tls ? NULL : &reqstr);
DEBUG(D_expand) debug_printf_indent("connected to socket %s\n", sub_arg[0]);
-#ifdef SUPPORT_TLS
+#ifndef DISABLE_TLS
if (do_tls)
{
smtp_connect_args conn_args = {.host = &host };
DEBUG(D_expand) debug_printf_indent("writing \"%s\" to socket\n",
reqstr.data);
if ( (
-#ifdef SUPPORT_TLS
+#ifndef DISABLE_TLS
do_tls ? tls_write(cctx.tls_ctx, reqstr.data, reqstr.len, FALSE) :
#endif
write(cctx.sock, reqstr.data, reqstr.len)) != reqstr.len)
sigalrm_seen = FALSE;
ALARM(timeout);
yield =
-#ifdef SUPPORT_TLS
+#ifndef DISABLE_TLS
do_tls ? cat_file_tls(cctx.tls_ctx, yield, sub_arg[3]) :
#endif
cat_file(fp, yield, sub_arg[3]);
ALARM_CLR(0);
-#ifdef SUPPORT_TLS
+#ifndef DISABLE_TLS
if (do_tls)
{
tls_close(cctx.tls_ctx, TRUE);
{
if (sigalrm_seen || runrc == -256)
{
- expand_string_message = string_sprintf("command timed out");
+ expand_string_message = US"command timed out";
killpg(pid, SIGKILL); /* Kill the whole process group */
}
while (isspace(*s)) s++;
if (*s != ':')
{
- expand_string_message = string_sprintf(
- "missing object value-separator for extract json");
+ expand_string_message =
+ US"missing object value-separator for extract json";
goto EXPAND_FAILED_CURLY;
}
s++;
continue;
}
-#ifdef SUPPORT_TLS
+#ifndef DISABLE_TLS
case EITEM_CERTEXTRACT:
{
uschar *save_lookup_value = lookup_value;
save_expand_nlength);
continue;
}
-#endif /*SUPPORT_TLS*/
+#endif /*DISABLE_TLS*/
/* Handle list operations */
case EITEM_SORT:
{
+ int cond_type;
int sep = 0;
const uschar *srclist, *cmp, *xtract;
- uschar *srcitem;
+ uschar * opname, * srcitem;
const uschar *dstlist = NULL, *dstkeylist = NULL;
uschar * tmp;
uschar *save_iterate_item = iterate_item;
goto EXPAND_FAILED_CURLY;
}
+ if ((cond_type = identify_operator(&cmp, &opname)) == -1)
+ {
+ if (!expand_string_message)
+ expand_string_message = string_sprintf("unknown condition \"%s\"", s);
+ goto EXPAND_FAILED;
+ }
+ switch(cond_type)
+ {
+ case ECOND_NUM_L: case ECOND_NUM_LE:
+ case ECOND_NUM_G: case ECOND_NUM_GE:
+ case ECOND_STR_GE: case ECOND_STR_GEI: case ECOND_STR_GT: case ECOND_STR_GTI:
+ case ECOND_STR_LE: case ECOND_STR_LEI: case ECOND_STR_LT: case ECOND_STR_LTI:
+ break;
+
+ default:
+ expand_string_message = US"comparator not handled for sort";
+ goto EXPAND_FAILED;
+ }
+
while (isspace(*s)) s++;
if (*s++ != '{')
{
}
xtract = s;
- tmp = expand_string_internal(s, TRUE, &s, TRUE, TRUE, &resetok);
- if (!tmp) goto EXPAND_FAILED;
+ if (!(tmp = expand_string_internal(s, TRUE, &s, TRUE, TRUE, &resetok)))
+ goto EXPAND_FAILED;
xtract = string_copyn(xtract, s - xtract);
if (*s++ != '}')
if (skipping) continue;
while ((srcitem = string_nextinlist(&srclist, &sep, NULL, 0)))
- {
- uschar * dstitem;
+ {
+ uschar * srcfield, * dstitem;
gstring * newlist = NULL;
gstring * newkeylist = NULL;
- uschar * srcfield;
DEBUG(D_expand) debug_printf_indent("%s: $item = \"%s\"\n", name, srcitem);
while ((dstitem = string_nextinlist(&dstlist, &sep, NULL, 0)))
{
uschar * dstfield;
- uschar * expr;
- BOOL before;
/* field for comparison */
if (!(dstfield = string_nextinlist(&dstkeylist, &sep, NULL, 0)))
goto sort_mismatch;
- /* build and run condition string */
- expr = string_sprintf("%s{%s}{%s}", cmp, srcfield, dstfield);
+ /* String-comparator names start with a letter; numeric names do not */
- DEBUG(D_expand) debug_printf_indent("%s: cond = \"%s\"\n", name, expr);
- if (!eval_condition(expr, &resetok, &before))
- {
- expand_string_message = string_sprintf("comparison in sort: %s",
- expr);
- goto EXPAND_FAILED;
- }
-
- if (before)
+ if (sortsbefore(cond_type, isalpha(opname[0]),
+ srcfield, dstfield))
{
/* New-item sorts before this dst-item. Append new-item,
then dst-item, then remainder of dst list. */
newlist = string_append_listele(newlist, sep, dstitem);
newkeylist = string_append_listele(newkeylist, sep, dstfield);
+/*XXX why field-at-a-time copy? Why not just dup the rest of the list? */
while ((dstitem = string_nextinlist(&dstlist, &sep, NULL, 0)))
{
if (!(dstfield = string_nextinlist(&dstkeylist, &sep, NULL, 0)))
log_write(0, LOG_MAIN|LOG_PANIC, "%s", expand_string_message);
goto EXPAND_FAILED;
}
- t = store_get_perm(sizeof(tree_node) + Ustrlen(argv[0]));
+ t = store_get_perm(sizeof(tree_node) + Ustrlen(argv[0]), is_tainted(argv[0]));
Ustrcpy(t->name, argv[0]);
t->data.ptr = handle;
(void)tree_insertnode(&dlobj_anchor, t);
int c;
uschar *arg = NULL;
uschar *sub;
-#ifdef SUPPORT_TLS
+#ifndef DISABLE_TLS
var_entry *vp = NULL;
#endif
as we do not want to do the usual expansion. For most, expand the string.*/
switch(c)
{
-#ifdef SUPPORT_TLS
+#ifndef DISABLE_TLS
case EOP_MD5:
case EOP_SHA1:
case EOP_SHA256:
}
case EOP_MD5:
-#ifdef SUPPORT_TLS
+#ifndef DISABLE_TLS
if (vp && *(void **)vp->value)
{
uschar * cp = tls_cert_fprt_md5(*(void **)vp->value);
continue;
case EOP_SHA1:
-#ifdef SUPPORT_TLS
+#ifndef DISABLE_TLS
if (vp && *(void **)vp->value)
{
uschar * cp = tls_cert_fprt_sha1(*(void **)vp->value);
}
continue;
+ case EOP_SHA2:
case EOP_SHA256:
#ifdef EXIM_HAVE_SHA2
if (vp && *(void **)vp->value)
- {
- uschar * cp = tls_cert_fprt_sha256(*(void **)vp->value);
- yield = string_cat(yield, cp);
- }
+ if (c == EOP_SHA256)
+ yield = string_cat(yield, tls_cert_fprt_sha256(*(void **)vp->value));
+ else
+ expand_string_message = US"sha2_N not supported with certificates";
else
{
hctx h;
blob b;
+ hashmethod m = !arg ? HASH_SHA2_256
+ : Ustrcmp(arg, "256") == 0 ? HASH_SHA2_256
+ : Ustrcmp(arg, "384") == 0 ? HASH_SHA2_384
+ : Ustrcmp(arg, "512") == 0 ? HASH_SHA2_512
+ : HASH_BADTYPE;
- if (!exim_sha_init(&h, HASH_SHA2_256))
+ if (m == HASH_BADTYPE || !exim_sha_init(&h, m))
{
- expand_string_message = US"unrecognised sha256 variant";
+ expand_string_message = US"unrecognised sha2 variant";
goto EXPAND_FAILED;
}
+
exim_sha_update(&h, sub, Ustrlen(sub));
exim_sha_finish(&h, &b);
while (b.len-- > 0)
case 'h': t = tree_search(hostlist_anchor, sub); suffix = US"_h"; break;
case 'l': t = tree_search(localpartlist_anchor, sub); suffix = US"_l"; break;
default:
- expand_string_message = string_sprintf("bad suffix on \"list\" operator");
+ expand_string_message = US"bad suffix on \"list\" operator";
goto EXPAND_FAILED;
}
case EOP_STR2B64:
case EOP_BASE64:
{
-#ifdef SUPPORT_TLS
+#ifndef DISABLE_TLS
uschar * s = vp && *(void **)vp->value
? tls_cert_der_b64(*(void **)vp->value)
: b64encode(CUS sub, Ustrlen(sub));
gstring * g = NULL;
if (!yield)
- g = store_get(sizeof(gstring));
+ g = store_get(sizeof(gstring), FALSE);
else if (yield->ptr == 0)
{
- if (resetok) store_reset(yield);
+ if (resetok) reset_point = store_reset(reset_point);
yield = NULL;
- g = store_get(sizeof(gstring)); /* alloc _before_ calling find_variable() */
+ reset_point = store_mark();
+ g = store_get(sizeof(gstring), FALSE); /* alloc _before_ calling find_variable() */
}
if (!(value = find_variable(name, FALSE, skipping, &newsize)))
{
In many cases the final string will be the first one that was got and so there
will be optimal store usage. */
-if (resetok) store_reset(yield->s + (yield->size = yield->ptr + 1));
+if (resetok) gstring_release_unused(yield);
else if (resetok_p) *resetok_p = FALSE;
DEBUG(D_expand)
+ {
+ BOOL tainted = is_tainted(yield->s);
DEBUG(D_noutf8)
{
debug_printf_indent("|--expanding: %.*s\n", (int)(s - string), string);
debug_printf_indent("%sresult: %s\n",
skipping ? "|-----" : "\\_____", yield->s);
+ if (tainted)
+ debug_printf_indent("%s \\__(tainted)\n",
+ skipping ? "| " : " ");
if (skipping)
debug_printf_indent("\\___skipping: result is not used\n");
}
debug_printf_indent(UTF8_VERT_RIGHT UTF8_HORIZ UTF8_HORIZ
"expanding: %.*s\n",
(int)(s - string), string);
- debug_printf_indent("%s"
- UTF8_HORIZ UTF8_HORIZ UTF8_HORIZ UTF8_HORIZ UTF8_HORIZ
+ debug_printf_indent("%s" UTF8_HORIZ UTF8_HORIZ UTF8_HORIZ UTF8_HORIZ UTF8_HORIZ
"result: %s\n",
skipping ? UTF8_VERT_RIGHT : UTF8_UP_RIGHT,
yield->s);
+ if (tainted)
+ debug_printf_indent("%s(tainted)\n",
+ skipping
+ ? UTF8_VERT " " : " " UTF8_UP_RIGHT UTF8_HORIZ UTF8_HORIZ);
if (skipping)
debug_printf_indent(UTF8_UP_RIGHT UTF8_HORIZ UTF8_HORIZ UTF8_HORIZ
"skipping: result is not used\n");
}
+ }
expand_level--;
return yield->s;
}
#endif /* EXIM_PERL */
+/* Thie deliberately regards the input as untainted, so that it can be
+expanded; only reasonable since this is a test for string-expansions. */
+
while (fgets(buffer, sizeof(buffer), stdin) != NULL)
{
- void *reset_point = store_get(0);
+ rmark reset_point = store_mark();
uschar *yield = expand_string(buffer);
- if (yield != NULL)
- {
+ if (yield)
printf("%s\n", yield);
- store_reset(reset_point);
- }
else
{
if (f.search_find_defer) printf("search_find deferred\n");
if (f.expand_string_forcedfail) printf("Forced failure\n");
printf("\n");
}
+ store_reset(reset_point);
}
search_tidyup();
projects / exim.git / blobdiff