#endif
US"length",
US"listextract",
+ US"listquote",
US"lookup",
US"map",
US"nhash",
#endif
EITEM_LENGTH,
EITEM_LISTEXTRACT,
+ EITEM_LISTQUOTE,
EITEM_LOOKUP,
EITEM_MAP,
EITEM_NHASH,
US"base62d",
US"base64",
US"base64d",
+ US"bless",
US"domain",
US"escape",
US"escape8bit",
EOP_BASE62D,
EOP_BASE64,
EOP_BASE64D,
+ EOP_BLESS,
EOP_DOMAIN,
EOP_ESCAPE,
EOP_ESCAPE8BIT,
static uschar * fn_recipients(void);
typedef uschar * stringptr_fn_t(void);
+static uschar * fn_queue_size(void);
/* This table must be kept in alphabetical order. */
{ "local_part", vtype_stringptr, &deliver_localpart },
{ "local_part_data", vtype_stringptr, &deliver_localpart_data },
{ "local_part_prefix", vtype_stringptr, &deliver_localpart_prefix },
+ { "local_part_prefix_v", vtype_stringptr, &deliver_localpart_prefix_v },
{ "local_part_suffix", vtype_stringptr, &deliver_localpart_suffix },
+ { "local_part_suffix_v", vtype_stringptr, &deliver_localpart_suffix_v },
+ { "local_part_verified", vtype_stringptr, &deliver_localpart_verified },
#ifdef HAVE_LOCAL_SCAN
{ "local_scan_data", vtype_stringptr, &local_scan_data },
#endif
{ "qualify_domain", vtype_stringptr, &qualify_domain_sender },
{ "qualify_recipient", vtype_stringptr, &qualify_domain_recipient },
{ "queue_name", vtype_stringptr, &queue_name },
+ { "queue_size", vtype_string_func, &fn_queue_size },
{ "rcpt_count", vtype_int, &rcpt_count },
{ "rcpt_defer_count", vtype_int, &rcpt_defer_count },
{ "rcpt_fail_count", vtype_int, &rcpt_fail_count },
#ifndef DISABLE_TLS
{ "tls_in_sni", vtype_stringptr, &tls_in.sni },
#endif
+ { "tls_in_ver", vtype_stringptr, &tls_in.ver },
{ "tls_out_bits", vtype_int, &tls_out.bits },
{ "tls_out_certificate_verified", vtype_int,&tls_out.certificate_verified },
{ "tls_out_cipher", vtype_stringptr, &tls_out.cipher },
#ifdef SUPPORT_DANE
{ "tls_out_tlsa_usage", vtype_int, &tls_out.tlsa_usage },
#endif
+ { "tls_out_ver", vtype_stringptr, &tls_out.ver },
{ "tls_peerdn", vtype_stringptr, &tls_in.peerdn }, /* mind the alphabetical order! */
#ifndef DISABLE_TLS
BOOL
expand_check_condition(uschar *condition, uschar *m1, uschar *m2)
{
-int rc;
-uschar *ss = expand_string(condition);
-if (ss == NULL)
+uschar * ss = expand_string(condition);
+if (!ss)
{
if (!f.expand_string_forcedfail && !f.search_find_defer)
log_write(0, LOG_MAIN|LOG_PANIC, "failed to expand condition \"%s\" "
"for %s %s: %s", condition, m1, m2, expand_string_message);
return FALSE;
}
-rc = ss[0] != 0 && Ustrcmp(ss, "0") != 0 && strcmpic(ss, US"no") != 0 &&
+return *ss && Ustrcmp(ss, "0") != 0 && strcmpic(ss, US"no") != 0 &&
strcmpic(ss, US"false") != 0;
-return rc;
}
read_name(uschar *name, int max, const uschar *s, uschar *extras)
{
int ptr = 0;
-while (*s != 0 && (isalnum(*s) || Ustrchr(extras, *s) != NULL))
+while (*s && (isalnum(*s) || Ustrchr(extras, *s) != NULL))
{
if (ptr < max-1) name[ptr++] = *s;
s++;
expand_getkeyed(uschar * key, const uschar * s)
{
int length = Ustrlen(key);
-while (isspace(*s)) s++;
+Uskip_whitespace(&s);
/* Loop to search for the key */
while (*s && *s != '=' && !isspace(*s)) s++;
dkeylength = s - dkey;
- while (isspace(*s)) s++;
- if (*s == '=') while (isspace((*(++s))));
+ if (Uskip_whitespace(&s) == '=') while (isspace((*(++s))));
data = string_dequote(&s);
if (length == dkeylength && strncmpic(key, dkey, length) == 0)
return data;
- while (isspace(*s)) s++;
+ Uskip_whitespace(&s);
}
return NULL;
/* Trim the header roughly if we're approaching limits */
inc = t - s;
- if ((g ? g->ptr : 0) + inc > header_insert_maxlen)
- inc = header_insert_maxlen - (g ? g->ptr : 0);
+ if (gstring_length(g) + inc > header_insert_maxlen)
+ inc = header_insert_maxlen - gstring_length(g);
/* For raw just copy the data; for a list, add the data as a colon-sep
list-element; for comma-list add as an unchecked comma,newline sep
if (flags & FH_WANT_LIST)
g = string_append_listele_n(g, ':', s, (unsigned)inc);
else if (flags & FH_WANT_RAW)
- {
g = string_catn(g, s, (unsigned)inc);
- (void) string_from_gstring(g);
- }
else if (inc > 0)
- if (comma)
- g = string_append2_listele_n(g, US",\n", s, (unsigned)inc);
- else
- g = string_append2_listele_n(g, US"\n", s, (unsigned)inc);
+ g = string_append2_listele_n(g, comma ? US",\n" : US"\n",
+ s, (unsigned)inc);
- if (g && g->ptr >= header_insert_maxlen) break;
+ if (gstring_length(g) >= header_insert_maxlen) break;
}
if (!found) return NULL; /* No header found */
*newsize = g->size;
if (flags & FH_WANT_RAW)
- return g->s;
+ return string_from_gstring(g);
/* Otherwise do RFC 2047 decoding, translating the charset if requested.
The rfc2047_decode2() function can return an error with decoded data if the
else
{
- uschar *decoded, *error;
-
- decoded = rfc2047_decode2(g->s, check_rfc2047_length, charset, '?', NULL,
- newsize, &error);
+ uschar * error, * decoded = rfc2047_decode2(string_from_gstring(g),
+ check_rfc2047_length, charset, '?', NULL, newsize, &error);
if (error)
- {
DEBUG(D_any) debug_printf("*** error in RFC 2047 decoding: %s\n"
" input was: %s\n", error, g->s);
- }
- return decoded ? decoded : g->s;
+ return decoded ? decoded : string_from_gstring(g);
}
}
}
+/*************************************************
+* Return size of queue *
+*************************************************/
+/* Ask the daemon for the queue size */
+
+static uschar *
+fn_queue_size(void)
+{
+struct sockaddr_un sa_un = {.sun_family = AF_UNIX};
+uschar buf[16];
+int fd;
+ssize_t len;
+const uschar * where;
+#ifndef EXIM_HAVE_ABSTRACT_UNIX_SOCKETS
+uschar * sname;
+#endif
+fd_set fds;
+struct timeval tv;
+
+if ((fd = socket(AF_UNIX, SOCK_DGRAM, 0)) < 0)
+ {
+ DEBUG(D_expand) debug_printf(" socket: %s\n", strerror(errno));
+ return NULL;
+ }
+
+#ifdef EXIM_HAVE_ABSTRACT_UNIX_SOCKETS
+sa_un.sun_path[0] = 0; /* Abstract local socket addr - Linux-specific? */
+len = offsetof(struct sockaddr_un, sun_path) + 1
+ + snprintf(sa_un.sun_path+1, sizeof(sa_un.sun_path)-1, "exim_%d", getpid());
+#else
+sname = string_sprintf("%s/p_%d", spool_directory, getpid());
+len = offsetof(struct sockaddr_un, sun_path)
+ + snprintf(sa_un.sun_path, sizeof(sa_un.sun_path), "%s", sname);
+#endif
+
+if (bind(fd, (const struct sockaddr *)&sa_un, len) < 0)
+ { where = US"bind"; goto bad; }
+
+#ifdef notdef
+debug_printf("local addr '%s%s'\n",
+ *sa_un.sun_path ? "" : "@",
+ sa_un.sun_path + (*sa_un.sun_path ? 0 : 1));
+#endif
+
+#ifdef EXIM_HAVE_ABSTRACT_UNIX_SOCKETS
+sa_un.sun_path[0] = 0; /* Abstract local socket addr - Linux-specific? */
+len = offsetof(struct sockaddr_un, sun_path) + 1
+ + snprintf(sa_un.sun_path+1, sizeof(sa_un.sun_path)-1, "%s",
+ expand_string(notifier_socket));
+#else
+len = offsetof(struct sockaddr_un, sun_path)
+ + snprintf(sa_un.sun_path, sizeof(sa_un.sun_path), "%s",
+ expand_string(notifier_socket));
+#endif
+
+if (connect(fd, (const struct sockaddr *)&sa_un, len) < 0)
+ { where = US"connect"; goto bad2; }
+
+buf[0] = NOTIFY_QUEUE_SIZE_REQ;
+if (send(fd, buf, 1, 0) < 0) { where = US"send"; goto bad; }
+
+FD_ZERO(&fds); FD_SET(fd, &fds);
+tv.tv_sec = 2; tv.tv_usec = 0;
+if (select(fd + 1, (SELECT_ARG2_TYPE *)&fds, NULL, NULL, &tv) != 1)
+ {
+ DEBUG(D_expand) debug_printf("no daemon response; using local evaluation\n");
+ len = snprintf(CS buf, sizeof(buf), "%u", queue_count_cached());
+ }
+else if ((len = recv(fd, buf, sizeof(buf), 0)) < 0)
+ { where = US"recv"; goto bad2; }
+
+close(fd);
+#ifndef EXIM_HAVE_ABSTRACT_UNIX_SOCKETS
+Uunlink(sname);
+#endif
+return string_copyn(buf, len);
+
+bad2:
+#ifndef EXIM_HAVE_ABSTRACT_UNIX_SOCKETS
+ Uunlink(sname);
+#endif
+bad:
+ close(fd);
+ DEBUG(D_expand) debug_printf(" %s: %s\n", where, strerror(errno));
+ return NULL;
+}
+
+
/*************************************************
* Find value of a variable *
*************************************************/
s = find_header(US"reply-to:", newsize,
exists_only ? FH_EXISTS_ONLY|FH_WANT_RAW : FH_WANT_RAW,
headers_charset);
- if (s) while (isspace(*s)) s++;
+ if (s) Uskip_whitespace(&s);
if (!s || !*s)
{
*newsize = 0; /* For the *s==0 case */
if (s)
{
uschar *t;
- while (isspace(*s)) s++;
- for (t = s; *t != 0; t++) if (*t == '\n') *t = ' ';
+ Uskip_whitespace(&s);
+ for (t = s; *t; t++) if (*t == '\n') *t = ' ';
while (t > s && isspace(t[-1])) t--;
*t = 0;
}
{
const uschar *s = *sptr;
-while (isspace(*s)) s++;
+Uskip_whitespace(&s);
for (int i = 0; i < n; i++)
{
if (*s != '{')
if (!(sub[i] = expand_string_internal(s+1, TRUE, &s, skipping, TRUE, resetok)))
return 3;
if (*s++ != '}') return 1;
- while (isspace(*s)) s++;
+ Uskip_whitespace(&s);
}
if (check_end && *s++ != '}')
{
unsigned depth = 0;
BOOL quotesmode = wrap[0] == wrap[1];
-while (isspace(*p)) p++;
-
-if (*p == *wrap)
+if (Uskip_whitespace(&p) == *wrap)
{
s = ++p;
wrap++;
/* first_delivery tests for first delivery attempt */
case ECOND_FIRST_DELIVERY:
- if (yield != NULL) *yield = f.deliver_firsttime == testfor;
+ if (yield) *yield = f.deliver_firsttime == testfor;
return s;
/* queue_running tests for any process started by a queue runner */
case ECOND_QUEUE_RUNNING:
- if (yield != NULL) *yield = (queue_run_pid != (pid_t)0) == testfor;
+ if (yield) *yield = (queue_run_pid != (pid_t)0) == testfor;
return s;
if (*s != '{') goto COND_FAILED_CURLY_START; /* }-for-text-editors */
sub[0] = expand_string_internal(s+1, TRUE, &s, yield == NULL, TRUE, resetok);
- if (sub[0] == NULL) return NULL;
+ if (!sub[0]) return NULL;
/* {-for-text-editors */
if (*s++ != '}') goto COND_FAILED_CURLY_END;
- if (yield == NULL) return s; /* No need to run the test if skipping */
+ if (!yield) return s; /* No need to run the test if skipping */
switch(cond_type)
{
if (*s++ != '{') goto COND_FAILED_CURLY_START; /*}*/
switch(read_subs(sub, nelem(sub), 1,
- &s, yield == NULL, TRUE, US"acl", resetok))
+ &s, yield == NULL, TRUE, name, resetok))
{
case 1: expand_string_message = US"too few arguments or bracketing "
"error for acl";
case 3: return NULL;
}
- if (yield != NULL)
+ if (yield)
{
int rc;
*resetok = FALSE; /* eval_acl() might allocate; do not reclaim */
uschar *sub[4];
while (isspace(*s)) s++;
if (*s++ != '{') goto COND_FAILED_CURLY_START; /* }-for-text-editors */
- switch(read_subs(sub, nelem(sub), 2, &s, yield == NULL, TRUE, US"saslauthd",
+ switch(read_subs(sub, nelem(sub), 2, &s, yield == NULL, TRUE, name,
resetok))
{
case 1: expand_string_message = US"too few arguments or bracketing "
case 2:
case 3: return NULL;
}
- if (sub[2] == NULL) sub[3] = NULL; /* realm if no service */
- if (yield != NULL)
+ if (!sub[2]) sub[3] = NULL; /* realm if no service */
+ if (yield)
{
int rc = auth_call_saslauthd(sub[0], sub[1], sub[2], sub[3],
&expand_string_message);
conditions that compare numbers do not start with a letter. This just saves
checking for them individually. */
- if (!isalpha(opname[0]) && yield != NULL)
+ if (!isalpha(opname[0]) && yield)
if (sub[i][0] == 0)
{
num[i] = 0;
else
{
num[i] = expanded_string_integer(sub[i], FALSE);
- if (expand_string_message != NULL) return NULL;
+ if (expand_string_message) return NULL;
}
}
/* Result not required */
- if (yield == NULL) return s;
+ if (!yield) return s;
/* Do an appropriate comparison */
break;
case ECOND_MATCH: /* Regular expression match */
- re = pcre_compile(CS sub[1], PCRE_COPT, (const char **)&rerror, &roffset,
- NULL);
- if (re == NULL)
+ if (!(re = pcre_compile(CS sub[1], PCRE_COPT, CCSS &rerror,
+ &roffset, NULL)))
{
expand_string_message = string_sprintf("regular expression error in "
"\"%s\": %s at offset %d", sub[1], rerror, roffset);
case ECOND_AND:
case ECOND_OR:
- subcondptr = (yield == NULL)? NULL : &tempcond;
+ subcondptr = (yield == NULL) ? NULL : &tempcond;
combined_cond = (cond_type == ECOND_AND);
while (isspace(*s)) s++;
return NULL;
}
- if (yield != NULL)
- {
+ if (yield)
if (cond_type == ECOND_AND)
{
combined_cond &= tempcond;
combined_cond |= tempcond;
if (combined_cond) subcondptr = NULL; /* once true, don't */
} /* evaluate any more */
- }
}
- if (yield != NULL) *yield = (combined_cond == testfor);
+ if (yield) *yield = (combined_cond == testfor);
return ++s;
while (isspace(*s)) s++;
if (*s++ != '{') goto COND_FAILED_CURLY_START; /* }-for-text-editors */
- sub[0] = expand_string_internal(s, TRUE, &s, (yield == NULL), TRUE, resetok);
- if (sub[0] == NULL) return NULL;
+ if (!(sub[0] = expand_string_internal(s, TRUE, &s, yield == NULL, TRUE, resetok)))
+ return NULL;
/* {-for-text-editors */
if (*s++ != '}') goto COND_FAILED_CURLY_END;
}
DEBUG(D_expand) debug_printf_indent("%s: condition evaluated to %s\n", ourname,
boolvalue? "true":"false");
- if (yield != NULL) *yield = (boolvalue == testfor);
+ if (yield) *yield = (boolvalue == testfor);
return s;
}
uschar cksum[4];
BOOL boolvalue = FALSE;
- switch(read_subs(sub, 2, 2, CUSS &s, yield == NULL, FALSE, US"inbound_srs", resetok))
+ switch(read_subs(sub, 2, 2, CUSS &s, yield == NULL, FALSE, name, resetok))
{
case 1: expand_string_message = US"too few arguments or bracketing "
"error for inbound_srs";
uschar outerkey[64];
uschar *finalhash_hex;
-if (key_num == NULL)
+if (!key_num)
key_num = US"0";
if (Ustrlen(key) > 64)
int_eximarith_t n;
uschar *s = *sptr;
-while (isspace(*s)) s++;
-if (isdigit((c = *s)))
+if (isdigit((c = Uskip_whitespace(&s))))
{
int count;
(void)sscanf(CS s, (decimal? SC_EXIM_DEC "%n" : SC_EXIM_ARITH "%n"), &n, &count);
case 'm': n *= 1024*1024; s++; break;
case 'g': n *= 1024*1024*1024; s++; break;
}
- while (isspace (*s)) s++;
+ Uskip_whitespace(&s);
}
else if (c == '(')
{
{
uschar *s = *sptr;
int_eximarith_t x;
-while (isspace(*s)) s++;
+Uskip_whitespace(&s);
if (*s == '+' || *s == '-' || *s == '~')
{
int op = *s++;
{
uschar *s = *sptr;
int_eximarith_t x = eval_op_unary(&s, decimal, error);
-if (*error == NULL)
+if (!*error)
{
while (*s == '*' || *s == '/' || *s == '%')
{
int op = *s++;
int_eximarith_t y = eval_op_unary(&s, decimal, error);
- if (*error != NULL) break;
+ if (*error) break;
/* SIGFPE both on div/mod by zero and on INT_MIN / -1, which would give
* a value of INT_MAX+1. Note that INT_MIN * -1 gives INT_MIN for me, which
* is a bug somewhere in [gcc 4.2.1, FreeBSD, amd64]. In fact, -N*-M where
{
uschar *s = *sptr;
int_eximarith_t x = eval_op_sum(&s, decimal, error);
-if (*error == NULL)
+if (!*error)
{
while ((*s == '<' || *s == '>') && s[1] == s[0])
{
int op = *s++;
s++;
y = eval_op_sum(&s, decimal, error);
- if (*error != NULL) break;
+ if (*error) break;
if (op == '<') x <<= y; else x >>= y;
}
}
{
uschar *s = *sptr;
int_eximarith_t x = eval_op_shift(&s, decimal, error);
-if (*error == NULL)
+if (!*error)
{
while (*s == '&')
{
int_eximarith_t y;
s++;
y = eval_op_shift(&s, decimal, error);
- if (*error != NULL) break;
+ if (*error) break;
x &= y;
}
}
{
uschar *s = *sptr;
int_eximarith_t x = eval_op_and(&s, decimal, error);
-if (*error == NULL)
+if (!*error)
{
while (*s == '^')
{
int_eximarith_t y;
s++;
y = eval_op_and(&s, decimal, error);
- if (*error != NULL) break;
+ if (*error) break;
x ^= y;
}
}
{
uschar *s = *sptr;
int_eximarith_t x = eval_op_xor(&s, decimal, error);
-if (*error == NULL)
+if (!*error)
{
while (*s == '|')
{
int_eximarith_t y;
s++;
y = eval_op_xor(&s, decimal, error);
- if (*error != NULL) break;
+ if (*error) break;
x |= y;
}
}
if (!value)
{
- if (Ustrchr(name, '}') != NULL) malformed_header = TRUE;
+ if (Ustrchr(name, '}')) malformed_header = TRUE;
continue;
}
}
uschar *user_msg;
int rc;
- switch(read_subs(sub, nelem(sub), 1, &s, skipping, TRUE, US"acl",
+ switch(read_subs(sub, nelem(sub), 1, &s, skipping, TRUE, name,
&resetok))
{
case 1: goto EXPAND_FAILED_CURLY;
save_expand_strings(save_expand_nstring, save_expand_nlength);
while (isspace(*s)) s++;
- next_s = eval_condition(s, &resetok, skipping ? NULL : &cond);
- if (next_s == NULL) goto EXPAND_FAILED; /* message already set */
+ if (!(next_s = eval_condition(s, &resetok, skipping ? NULL : &cond)))
+ goto EXPAND_FAILED; /* message already set */
DEBUG(D_expand)
DEBUG(D_noutf8)
case 3: goto EXPAND_FAILED;
}
- if (sub_arg[1] == NULL) /* One argument */
+ if (!sub_arg[1]) /* One argument */
{
sub_arg[1] = US"/"; /* default separator */
sub_arg[2] = NULL;
int expand_setup = 0;
int nameptr = 0;
uschar *key, *filename;
- const uschar *affix;
+ const uschar * affix, * opts;
uschar *save_lookup_value = lookup_value;
int save_expand_nmax =
save_expand_strings(save_expand_nstring, save_expand_nlength);
kinds. Allow everything except space or { to appear; the actual content
is checked by search_findtype_partial. */ /*}*/
- while (*s != 0 && *s != '{' && !isspace(*s)) /*}*/
+ while (*s && *s != '{' && !isspace(*s)) /*}*/
{
if (nameptr < sizeof(name) - 1) name[nameptr++] = *s;
s++;
}
- name[nameptr] = 0;
+ name[nameptr] = '\0';
while (isspace(*s)) s++;
/* Now check for the individual search type and any partial or default
options. Only those types that are actually in the binary are valid. */
- stype = search_findtype_partial(name, &partial, &affix, &affixlen,
- &starflags);
- if (stype < 0)
+ if ((stype = search_findtype_partial(name, &partial, &affix, &affixlen,
+ &starflags, &opts)) < 0)
{
expand_string_message = search_error_message;
goto EXPAND_FAILED;
if (!mac_islookup(stype, lookup_querystyle|lookup_absfilequery))
{
- if (key == NULL)
+ if (!key)
{
expand_string_message = string_sprintf("missing {key} for single-"
"key \"%s\" lookup", name);
}
else
{
- if (key != NULL)
+ if (key)
{
expand_string_message = string_sprintf("a single key was given for "
"lookup type \"%s\", which is not a single-key lookup type", name);
expand_string_message = US"missing '{' for lookup file-or-query arg";
goto EXPAND_FAILED_CURLY;
}
- filename = expand_string_internal(s+1, TRUE, &s, skipping, TRUE, &resetok);
- if (filename == NULL) goto EXPAND_FAILED;
+ if (!(filename = expand_string_internal(s+1, TRUE, &s, skipping, TRUE, &resetok)))
+ goto EXPAND_FAILED;
if (*s++ != '}')
{
expand_string_message = US"missing '}' closing lookup file-or-query arg";
if (mac_islookup(stype, lookup_querystyle))
filename = NULL;
else
- {
- if (*filename != '/')
- {
- expand_string_message = string_sprintf(
- "absolute file name expected for \"%s\" lookup", name);
- goto EXPAND_FAILED;
- }
- while (*key != 0 && !isspace(*key)) key++;
- if (*key != 0) *key++ = 0;
- }
+ if (*filename == '/')
+ {
+ while (*key && !isspace(*key)) key++;
+ if (*key) *key++ = '\0';
+ }
+ else
+ filename = NULL;
}
/* If skipping, don't do the next bit - just lookup_value == NULL, as if
else
{
void *handle = search_open(filename, stype, 0, NULL, NULL);
- if (handle == NULL)
+ if (!handle)
{
expand_string_message = search_error_message;
goto EXPAND_FAILED;
}
lookup_value = search_find(handle, filename, key, partial, affix,
- affixlen, starflags, &expand_setup);
+ affixlen, starflags, &expand_setup, opts);
if (f.search_find_defer)
{
expand_string_message =
}
switch(read_subs(sub_arg, EXIM_PERL_MAX_ARGS + 1, 1, &s, skipping, TRUE,
- US"perl", &resetok))
+ name, &resetok))
{
case 1: goto EXPAND_FAILED_CURLY;
case 2:
if (!opt_perl_started)
{
uschar *initerror;
- if (opt_perl_startup == NULL)
+ if (!opt_perl_startup)
{
expand_string_message = US"A setting of perl_startup is needed when "
"using the Perl interpreter";
goto EXPAND_FAILED;
}
DEBUG(D_any) debug_printf("Starting Perl interpreter\n");
- initerror = init_perl(opt_perl_startup);
- if (initerror != NULL)
+ if ((initerror = init_perl(opt_perl_startup)))
{
expand_string_message =
string_sprintf("error in perl_startup code: %s\n", initerror);
NULL, the yield was undef, indicating a forced failure. Otherwise the
message will indicate some kind of Perl error. */
- if (new_yield == NULL)
+ if (!new_yield)
{
- if (expand_string_message == NULL)
+ if (!expand_string_message)
{
expand_string_message =
string_sprintf("Perl subroutine \"%s\" returned undef to force "
uschar *sub_arg[3];
uschar *p,*domain;
- switch(read_subs(sub_arg, 3, 2, &s, skipping, TRUE, US"prvs", &resetok))
+ switch(read_subs(sub_arg, 3, 2, &s, skipping, TRUE, name, &resetok))
{
case 1: goto EXPAND_FAILED_CURLY;
case 2:
prvscheck_address = NULL;
prvscheck_keynum = NULL;
- switch(read_subs(sub_arg, 1, 1, &s, skipping, FALSE, US"prvs", &resetok))
+ switch(read_subs(sub_arg, 1, 1, &s, skipping, FALSE, name, &resetok))
{
case 1: goto EXPAND_FAILED_CURLY;
case 2:
prvscheck_keynum = string_copy(key_num);
/* Now expand the second argument */
- switch(read_subs(sub_arg, 1, 1, &s, skipping, FALSE, US"prvs", &resetok))
+ switch(read_subs(sub_arg, 1, 1, &s, skipping, FALSE, name, &resetok))
{
case 1: goto EXPAND_FAILED_CURLY;
case 2:
/* Now expand the final argument. We leave this till now so that
it can include $prvscheck_result. */
- switch(read_subs(sub_arg, 1, 0, &s, skipping, TRUE, US"prvs", &resetok))
+ switch(read_subs(sub_arg, 1, 0, &s, skipping, TRUE, name, &resetok))
{
case 1: goto EXPAND_FAILED_CURLY;
case 2:
We need to make sure all subs are expanded first, so as to skip over
the entire item. */
- switch(read_subs(sub_arg, 2, 1, &s, skipping, TRUE, US"prvs", &resetok))
+ switch(read_subs(sub_arg, 2, 1, &s, skipping, TRUE, name, &resetok))
{
case 1: goto EXPAND_FAILED_CURLY;
case 2:
goto EXPAND_FAILED;
}
- switch(read_subs(sub_arg, 2, 1, &s, skipping, TRUE, US"readfile", &resetok))
+ switch(read_subs(sub_arg, 2, 1, &s, skipping, TRUE, name, &resetok))
{
case 1: goto EXPAND_FAILED_CURLY;
case 2:
{
client_conn_ctx cctx;
int timeout = 5;
- int save_ptr = yield->ptr;
+ int save_ptr = gstring_length(yield);
FILE * fp = NULL;
uschar * arg;
uschar * sub_arg[4];
/* Read up to 4 arguments, but don't do the end of item check afterwards,
because there may be a string for expansion on failure. */
- switch(read_subs(sub_arg, 4, 2, &s, skipping, FALSE, US"readsocket", &resetok))
+ switch(read_subs(sub_arg, 4, 2, &s, skipping, FALSE, name, &resetok))
{
case 1: goto EXPAND_FAILED_CURLY;
case 2: /* Won't occur: no end check */
uschar * item;
int sep = 0;
- item = string_nextinlist(&list, &sep, NULL, 0);
- if ((timeout = readconf_readtime(item, 0, FALSE)) < 0)
+ if ( !(item = string_nextinlist(&list, &sep, NULL, 0))
+ || !*item
+ || (timeout = readconf_readtime(item, 0, FALSE)) < 0)
{
expand_string_message = string_sprintf("bad time value %s", item);
goto EXPAND_FAILED;
if (sigalrm_seen)
{
- yield->ptr = save_ptr;
+ if (yield) yield->ptr = save_ptr;
expand_string_message = US "socket read timed out";
goto SOCK_FAIL;
}
if (*s == '{')
{
- if (expand_string_internal(s+1, TRUE, &s, TRUE, TRUE, &resetok) == NULL)
+ if (!expand_string_internal(s+1, TRUE, &s, TRUE, TRUE, &resetok))
goto EXPAND_FAILED;
if (*s++ != '}')
{
expand_string_message = US"missing '{' for command arg of run";
goto EXPAND_FAILED_CURLY;
}
- arg = expand_string_internal(s+1, TRUE, &s, skipping, TRUE, &resetok);
- if (arg == NULL) goto EXPAND_FAILED;
+ if (!(arg = expand_string_internal(s+1, TRUE, &s, skipping, TRUE, &resetok)))
+ goto EXPAND_FAILED;
while (isspace(*s)) s++;
if (*s++ != '}')
{
/* Create the child process, making it a group leader. */
- if ((pid = child_open(USS argv, NULL, 0077, &fd_in, &fd_out, TRUE)) < 0)
+ if ((pid = child_open(USS argv, NULL, 0077, &fd_in, &fd_out, TRUE,
+ US"expand-run")) < 0)
{
expand_string_message =
string_sprintf("couldn't create child process: %s", strerror(errno));
case EITEM_TR:
{
- int oldptr = yield->ptr;
+ int oldptr = gstring_length(yield);
int o2m;
uschar *sub[3];
- switch(read_subs(sub, 3, 3, &s, skipping, TRUE, US"tr", &resetok))
+ switch(read_subs(sub, 3, 3, &s, skipping, TRUE, name, &resetok))
{
case 1: goto EXPAND_FAILED_CURLY;
case 2:
if (o2m >= 0) for (; oldptr < yield->ptr; oldptr++)
{
uschar *m = Ustrrchr(sub[1], yield->s[oldptr]);
- if (m != NULL)
+ if (m)
{
int o = m - sub[1];
yield->s[oldptr] = sub[2][(o < o2m)? o : o2m];
string to the last position and make ${length{n}{str}} equivalent to
${substr{0}{n}{str}}. See the defaults for val[] above. */
- if (sub[2] == NULL)
+ if (!sub[2])
{
sub[2] = sub[1];
sub[1] = NULL;
}
ret =
- (item_type == EITEM_HASH)?
- compute_hash(sub[2], val[0], val[1], &len) :
- (item_type == EITEM_NHASH)?
- compute_nhash(sub[2], val[0], val[1], &len) :
- extract_substr(sub[2], val[0], val[1], &len);
-
- if (ret == NULL) goto EXPAND_FAILED;
+ item_type == EITEM_HASH
+ ? compute_hash(sub[2], val[0], val[1], &len)
+ : item_type == EITEM_NHASH
+ ? compute_nhash(sub[2], val[0], val[1], &len)
+ : extract_substr(sub[2], val[0], val[1], &len);
+ if (!ret)
+ goto EXPAND_FAILED;
yield = string_catn(yield, ret, len);
continue;
}
int save_expand_nmax =
save_expand_strings(save_expand_nstring, save_expand_nlength);
- switch(read_subs(sub, 3, 3, &s, skipping, TRUE, US"sg", &resetok))
+ switch(read_subs(sub, 3, 3, &s, skipping, TRUE, name, &resetok))
{
case 1: goto EXPAND_FAILED_CURLY;
case 2:
/* Compile the regular expression */
- re = pcre_compile(CS sub[1], PCRE_COPT, (const char **)&rerror, &roffset,
- NULL);
-
- if (re == NULL)
+ if (!(re = pcre_compile(CS sub[1], PCRE_COPT, CCSS &rerror,
+ &roffset, NULL)))
{
expand_string_message = string_sprintf("regular expression error in "
"\"%s\": %s at offset %d", sub[1], rerror, roffset);
/* Copy the characters before the match, plus the expanded insertion. */
yield = string_catn(yield, subject + moffset, ovector[0] - moffset);
- insert = expand_string(sub[2]);
- if (insert == NULL) goto EXPAND_FAILED;
+ if (!(insert = expand_string(sub[2])))
+ goto EXPAND_FAILED;
yield = string_cat(yield, insert);
moffset = ovector[1];
while (isspace(*s)) s++;
if (*s == '{') /*'}'*/
{
- sub[i] = expand_string_internal(s+1, TRUE, &s, skipping, TRUE, &resetok);
- if (sub[i] == NULL) goto EXPAND_FAILED; /*'{'*/
+ if (!(sub[i] = expand_string_internal(s+1, TRUE, &s, skipping, TRUE, &resetok)))
+ goto EXPAND_FAILED; /*'{'*/
if (*s++ != '}')
{
expand_string_message = string_sprintf(
for (int i = 0; i < 2; i++)
{
- while (isspace(*s)) s++;
+ skip_whitespace(&s);
if (*s != '{') /*'}'*/
{
expand_string_message = string_sprintf(
continue;
}
+ case EITEM_LISTQUOTE:
+ {
+ uschar * sub[2];
+ switch(read_subs(sub, 2, 2, &s, skipping, TRUE, name, &resetok))
+ {
+ case 1: goto EXPAND_FAILED_CURLY;
+ case 2:
+ case 3: goto EXPAND_FAILED;
+ }
+ for (uschar sep = *sub[0], c; c = *sub[1]; sub[1]++)
+ {
+ if (c == sep) yield = string_catn(yield, sub[1], 1);
+ yield = string_catn(yield, sub[1], 1);
+ }
+ continue;
+ }
+
#ifndef DISABLE_TLS
case EITEM_CERTEXTRACT:
{
save_expand_strings(save_expand_nstring, save_expand_nlength);
/* Read the field argument */
- while (isspace(*s)) s++;
+ skip_whitespace(&s);
if (*s != '{') /*}*/
{
expand_string_message = US"missing '{' for field arg of certextract";
case EITEM_REDUCE:
{
int sep = 0;
- int save_ptr = yield->ptr;
+ int save_ptr = gstring_length(yield);
uschar outsep[2] = { '\0', '\0' };
const uschar *list, *expr, *temp;
uschar *save_iterate_item = iterate_item;
goto EXPAND_FAILED_CURLY;
}
- list = expand_string_internal(s, TRUE, &s, skipping, TRUE, &resetok);
- if (list == NULL) goto EXPAND_FAILED;
+ if (!(list = expand_string_internal(s, TRUE, &s, skipping, TRUE, &resetok)))
+ goto EXPAND_FAILED;
if (*s++ != '}')
{
expand_string_message =
if (item_type == EITEM_FILTER)
{
- temp = eval_condition(expr, &resetok, NULL);
- if (temp != NULL) s = temp;
+ if ((temp = eval_condition(expr, &resetok, NULL)))
+ s = temp;
}
else
temp = expand_string_internal(s, TRUE, &s, TRUE, TRUE, &resetok);
- if (temp == NULL)
+ if (!temp)
{
expand_string_message = string_sprintf("%s inside \"%s\" item",
expand_string_message, name);
if (item_type == EITEM_FILTER)
{
BOOL condresult;
- if (eval_condition(expr, &resetok, &condresult) == NULL)
+ if (!eval_condition(expr, &resetok, &condresult))
{
iterate_item = save_iterate_item;
lookup_value = save_lookup_value;
{
uschar * t = expand_string_internal(expr, TRUE, NULL, skipping, TRUE, &resetok);
temp = t;
- if (temp == NULL)
+ if (!temp)
{
iterate_item = save_iterate_item;
expand_string_message = string_sprintf("%s inside \"%s\" item",
item of the output list, add in a space if the new item begins with the
separator character, or is an empty string. */
- if (yield->ptr != save_ptr && (temp[0] == *outsep || temp[0] == 0))
+ if ( yield && yield->ptr != save_ptr
+ && (temp[0] == *outsep || temp[0] == 0))
yield = string_catn(yield, US" ", 1);
/* Add the string in "temp" to the output list that we are building,
the redundant final separator. Even though an empty item at the end of a
list does not count, this is tidier. */
- else if (yield->ptr != save_ptr) yield->ptr--;
+ else if (yield && yield->ptr != save_ptr) yield->ptr--;
/* Restore preserved $item */
}
switch(read_subs(argv, EXPAND_DLFUNC_MAX_ARGS + 2, 2, &s, skipping,
- TRUE, US"dlfunc", &resetok))
+ TRUE, name, &resetok))
{
case 1: goto EXPAND_FAILED_CURLY;
case 2:
if (!(t = tree_search(dlobj_anchor, argv[0])))
{
void *handle = dlopen(CS argv[0], RTLD_LAZY);
- if (handle == NULL)
+ if (!handle)
{
expand_string_message = string_sprintf("dlopen \"%s\" failed: %s",
argv[0], dlerror());
/* Having obtained the dynamically loaded object handle, look up the
function pointer. */
- func = (exim_dlfunc_t *)dlsym(t->data.ptr, CS argv[1]);
- if (func == NULL)
+ if (!(func = (exim_dlfunc_t *)dlsym(t->data.ptr, CS argv[1])))
{
expand_string_message = string_sprintf("dlsym \"%s\" in \"%s\" failed: "
"%s", argv[1], argv[0], dlerror());
resetok = FALSE;
result = NULL;
- for (argc = 0; argv[argc] != NULL; argc++);
+ for (argc = 0; argv[argc]; argc++);
status = func(&result, argc - 2, &argv[2]);
if(status == OK)
{
- if (result == NULL) result = US"";
+ if (!result) result = US"";
yield = string_cat(yield, result);
continue;
}
else
{
- expand_string_message = result == NULL ? US"(no message)" : result;
- if(status == FAIL_FORCED) f.expand_string_forcedfail = TRUE;
- else if(status != FAIL)
- log_write(0, LOG_MAIN|LOG_PANIC, "dlfunc{%s}{%s} failed (%d): %s",
+ expand_string_message = result ? result : US"(no message)";
+ if (status == FAIL_FORCED)
+ f.expand_string_forcedfail = TRUE;
+ else if (status != FAIL)
+ log_write(0, LOG_MAIN|LOG_PANIC, "dlfunc{%s}{%s} failed (%d): %s",
argv[0], argv[1], status, expand_string_message);
goto EXPAND_FAILED;
}
if ((c = chop_match(name, op_table_underscore,
nelem(op_table_underscore))) < 0)
{
- arg = Ustrchr(name, '_');
- if (arg != NULL) *arg = 0;
- c = chop_match(name, op_table_main, nelem(op_table_main));
- if (c >= 0) c += nelem(op_table_underscore);
- if (arg != NULL) *arg++ = '_'; /* Put back for error messages */
+ if ((arg = Ustrchr(name, '_')))
+ *arg = 0;
+ if ((c = chop_match(name, op_table_main, nelem(op_table_main))) >= 0)
+ c += nelem(op_table_underscore);
+ if (arg) *arg++ = '_'; /* Put back for error messages */
}
/* Deal specially with operators that might take a certificate variable
{
uschar *tt = sub;
unsigned long int n = 0;
- uschar * s;
while (*tt)
{
uschar * t = Ustrchr(base32_chars, *tt++);
- if (t == NULL)
+ if (!t)
{
expand_string_message = string_sprintf("argument for base32d "
"operator is \"%s\", which is not a base 32 number", sub);
}
n = n * 32 + (t - base32_chars);
}
- s = string_sprintf("%ld", n);
- yield = string_cat(yield, s);
+ yield = string_fmt_append(yield, "%ld", n);
continue;
}
"operator is \"%s\", which is not a decimal number", sub);
goto EXPAND_FAILED;
}
- t = string_base62(n);
- yield = string_cat(yield, t);
+ yield = string_cat(yield, string_base62(n));
continue;
}
while (*tt != 0)
{
uschar *t = Ustrchr(base62_chars, *tt++);
- if (t == NULL)
+ if (!t)
{
expand_string_message = string_sprintf("argument for base62d "
"operator is \"%s\", which is not a base %d number", sub,
continue;
}
+ case EOP_BLESS:
+ /* This is purely for the convenience of the test harness. Do not enable
+ it otherwise as it defeats the taint-checking security. */
+
+ if (f.running_in_test_harness)
+ yield = string_cat(yield, is_tainted(sub)
+ ? string_copy_taint(sub, FALSE) : sub);
+ else
+ {
+ DEBUG(D_expand) debug_printf_indent("bless operator not supported\n");
+ yield = string_cat(yield, sub);
+ }
+ continue;
+
case EOP_EXPAND:
{
uschar *expanded = expand_string_internal(sub, FALSE, NULL, skipping, TRUE, &resetok);
- if (expanded == NULL)
+ if (!expanded)
{
expand_string_message =
string_sprintf("internal expansion of \"%s\" failed: %s", sub,
int sep = 0;
uschar buffer[256];
- while (string_nextinlist(CUSS &sub, &sep, buffer, sizeof(buffer)) != NULL) cnt++;
+ while (string_nextinlist(CUSS &sub, &sep, buffer, sizeof(buffer))) cnt++;
yield = string_fmt_append(yield, "%d", cnt);
continue;
}
uschar buffer[256];
if (*sub == '+') sub++;
- if (arg == NULL) /* no-argument version */
+ if (!arg) /* no-argument version */
{
if (!(t = tree_search(addresslist_anchor, sub)) &&
!(t = tree_search(domainlist_anchor, sub)) &&
continue;
}
+ /* quote a list-item for the given list-separator */
+
/* mask applies a mask to an IP address; for example the result of
${mask:131.111.10.206/28} is 131.111.10.192/28. */
{
uschar outsep[2] = { ':', '\0' };
uschar *address, *error;
- int save_ptr = yield->ptr;
+ int save_ptr = gstring_length(yield);
int start, end, domain; /* Not really used */
while (isspace(*sub)) sub++;
if (address)
{
- if (yield->ptr != save_ptr && address[0] == *outsep)
+ if (yield && yield->ptr != save_ptr && address[0] == *outsep)
yield = string_catn(yield, US" ", 1);
for (;;)
/* If we have generated anything, remove the redundant final
separator. */
- if (yield->ptr != save_ptr) yield->ptr--;
+ if (yield && yield->ptr != save_ptr) yield->ptr--;
f.parse_allow_group = FALSE;
continue;
}
case EOP_QUOTE:
case EOP_QUOTE_LOCAL_PART:
- if (arg == NULL)
+ if (!arg)
{
- BOOL needs_quote = (*sub == 0); /* TRUE for empty string */
+ BOOL needs_quote = (!*sub); /* TRUE for empty string */
uschar *t = sub - 1;
if (c == EOP_QUOTE)
int n;
uschar *opt = Ustrchr(arg, '_');
- if (opt != NULL) *opt++ = 0;
+ if (opt) *opt++ = 0;
- n = search_findtype(arg, Ustrlen(arg));
- if (n < 0)
+ if ((n = search_findtype(arg, Ustrlen(arg))) < 0)
{
expand_string_message = search_error_message;
goto EXPAND_FAILED;
}
- if (lookup_list[n]->quote != NULL)
+ if (lookup_list[n]->quote)
sub = (lookup_list[n]->quote)(sub, opt);
- else if (opt != NULL) sub = NULL;
+ else if (opt)
+ sub = NULL;
- if (sub == NULL)
+ if (!sub)
{
expand_string_message = string_sprintf(
"\"%s\" unrecognized after \"${quote_%s\"",
uschar *error;
uschar *decoded = rfc2047_decode(sub, check_rfc2047_length,
headers_charset, '?', &len, &error);
- if (error != NULL)
+ if (error)
{
expand_string_message = error;
goto EXPAND_FAILED;
case EOP_FROM_UTF8:
{
- while (*sub != 0)
+ uschar * buff = store_get(4, is_tainted(sub));
+ while (*sub)
{
int c;
- uschar buff[4];
GETUTF8INC(c, sub);
if (c > 255) c = '_';
buff[0] = c;
continue;
}
- /* replace illegal UTF-8 sequences by replacement character */
+ /* replace illegal UTF-8 sequences by replacement character */
#define UTF8_REPLACEMENT_CHAR US"?"
int complete;
uschar seq_buff[4]; /* accumulate utf-8 here */
- while (*sub != 0)
+ /* Manually track tainting, as we deal in individual chars below */
+
+ if (is_tainted(sub))
+ if (yield->s && yield->ptr)
+ gstring_rebuffer(yield);
+ else
+ yield->s = store_get(yield->size = Ustrlen(sub), TRUE);
+
+ /* Check the UTF-8, byte-by-byte */
+
+ while (*sub)
{
complete = 0;
uschar c = *sub++;
}
else /* no bytes left: new sequence */
{
- if((c & 0x80) == 0) /* 1-byte sequence, US-ASCII, keep it */
+ if(!(c & 0x80)) /* 1-byte sequence, US-ASCII, keep it */
{
yield = string_catn(yield, &c, 1);
continue;
* Eg, ${length_1:フィル} is one byte, not one character, so we expect
* ${utf8clean:${length_1:フィル}} to yield '?' */
if (bytes_left != 0)
- {
yield = string_catn(yield, UTF8_REPLACEMENT_CHAR, 1);
- }
+
continue;
}
/* Perform the required operation */
- ret =
- (c == EOP_HASH || c == EOP_H)?
- compute_hash(sub, value1, value2, &len) :
- (c == EOP_NHASH || c == EOP_NH)?
- compute_nhash(sub, value1, value2, &len) :
- extract_substr(sub, value1, value2, &len);
+ ret = c == EOP_HASH || c == EOP_H
+ ? compute_hash(sub, value1, value2, &len)
+ : c == EOP_NHASH || c == EOP_NH
+ ? compute_nhash(sub, value1, value2, &len)
+ : extract_substr(sub, value1, value2, &len);
+ if (!ret) goto EXPAND_FAILED;
- if (ret == NULL) goto EXPAND_FAILED;
yield = string_catn(yield, ret, len);
continue;
}
/* If expansion failed, expand_string_message will be set. */
-if (s == NULL) return -1;
+if (!s) return -1;
/* On an overflow, strtol() returns LONG_MAX or LONG_MIN, and sets errno
to ERANGE. When there isn't an overflow, errno is not changed, at least on some
uschar *svalue, BOOL *rvalue)
{
uschar *expanded;
-if (svalue == NULL) { *rvalue = bvalue; return OK; }
+if (!svalue) { *rvalue = bvalue; return OK; }
-expanded = expand_string(svalue);
-if (expanded == NULL)
+if (!(expanded = expand_string(svalue)))
{
if (f.expand_string_forcedfail)
{
{
int fd, off = 0, len;
-if ((fd = open(CS filename, O_RDONLY)) < 0)
+if ((fd = exim_open2(CS filename, O_RDONLY)) < 0)
{
log_write(0, LOG_MAIN | LOG_PANIC, "unable to open file for reading: %s",
filename);
git://git.exim.org / exim.git / blobdiff