static uschar *op_table_main[] = {
US"address",
US"addresses",
+ US"base32",
+ US"base32d",
US"base62",
US"base62d",
US"base64",
enum {
EOP_ADDRESS = nelem(op_table_underscore),
EOP_ADDRESSES,
+ EOP_BASE32,
+ EOP_BASE32D,
EOP_BASE62,
EOP_BASE62D,
EOP_BASE64,
}
+
+static uschar * base32_chars = US"abcdefghijklmnopqrstuvwxyz234567";
+
/*************************************************
* Binary chop search on a table *
*************************************************/
{
tree_node *node =
tree_search((name[4] == 'c')? acl_var_c : acl_var_m, name + 4);
- return (node == NULL)? (strict_acl_vars? NULL : US"") : node->data.ptr;
+ return node ? node->data.ptr : strict_acl_vars ? NULL : US"";
}
/* Handle $auth<n> variables. */
switch (vp->type)
{
case vtype_filter_int:
- if (!filter_running) return NULL;
- /* Fall through */
- /* VVVVVVVVVVVV */
+ if (!filter_running) return NULL;
+ /* Fall through */
+ /* VVVVVVVVVVVV */
case vtype_int:
- sprintf(CS var_buffer, "%d", *(int *)(val)); /* Integer */
- return var_buffer;
+ sprintf(CS var_buffer, "%d", *(int *)(val)); /* Integer */
+ return var_buffer;
case vtype_ino:
- sprintf(CS var_buffer, "%ld", (long int)(*(ino_t *)(val))); /* Inode */
- return var_buffer;
+ sprintf(CS var_buffer, "%ld", (long int)(*(ino_t *)(val))); /* Inode */
+ return var_buffer;
case vtype_gid:
- sprintf(CS var_buffer, "%ld", (long int)(*(gid_t *)(val))); /* gid */
- return var_buffer;
+ sprintf(CS var_buffer, "%ld", (long int)(*(gid_t *)(val))); /* gid */
+ return var_buffer;
case vtype_uid:
- sprintf(CS var_buffer, "%ld", (long int)(*(uid_t *)(val))); /* uid */
- return var_buffer;
+ sprintf(CS var_buffer, "%ld", (long int)(*(uid_t *)(val))); /* uid */
+ return var_buffer;
case vtype_bool:
- sprintf(CS var_buffer, "%s", *(BOOL *)(val) ? "yes" : "no"); /* bool */
- return var_buffer;
+ sprintf(CS var_buffer, "%s", *(BOOL *)(val) ? "yes" : "no"); /* bool */
+ return var_buffer;
case vtype_stringptr: /* Pointer to string */
- s = *((uschar **)(val));
- return (s == NULL)? US"" : s;
+ return (s = *((uschar **)(val))) ? s : US"";
case vtype_pid:
- sprintf(CS var_buffer, "%d", (int)getpid()); /* pid */
- return var_buffer;
+ sprintf(CS var_buffer, "%d", (int)getpid()); /* pid */
+ return var_buffer;
case vtype_load_avg:
- sprintf(CS var_buffer, "%d", OS_GETLOADAVG()); /* load_average */
- return var_buffer;
+ sprintf(CS var_buffer, "%d", OS_GETLOADAVG()); /* load_average */
+ return var_buffer;
case vtype_host_lookup: /* Lookup if not done so */
- if (sender_host_name == NULL && sender_host_address != NULL &&
- !host_lookup_failed && host_name_lookup() == OK)
- host_build_sender_fullhost();
- return (sender_host_name == NULL)? US"" : sender_host_name;
+ if (sender_host_name == NULL && sender_host_address != NULL &&
+ !host_lookup_failed && host_name_lookup() == OK)
+ host_build_sender_fullhost();
+ return (sender_host_name == NULL)? US"" : sender_host_name;
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 (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;
+ s = *((uschar **)(val));
+ if (s == NULL) return US"";
+ domain = Ustrrchr(s, '@');
+ if (domain == NULL) 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;
case vtype_domain: /* Get domain from address */
- s = *((uschar **)(val));
- if (s == NULL) return US"";
- domain = Ustrrchr(s, '@');
- return (domain == NULL)? US"" : domain + 1;
+ s = *((uschar **)(val));
+ if (s == NULL) return US"";
+ domain = Ustrrchr(s, '@');
+ return (domain == NULL)? US"" : domain + 1;
case vtype_msgheaders:
- return find_header(NULL, exists_only, newsize, FALSE, NULL);
+ return find_header(NULL, exists_only, newsize, FALSE, NULL);
case vtype_msgheaders_raw:
- return find_header(NULL, exists_only, newsize, TRUE, NULL);
+ return find_header(NULL, exists_only, newsize, TRUE, NULL);
case vtype_msgbody: /* Pointer to msgbody string */
case vtype_msgbody_end: /* Ditto, the end of the msg */
- ss = (uschar **)(val);
- if (*ss == NULL && deliver_datafile >= 0) /* Read body when needed */
- {
- uschar *body;
- off_t start_offset = SPOOL_DATA_START_OFFSET;
- int len = message_body_visible;
- if (len > message_size) len = message_size;
- *ss = body = store_malloc(len+1);
- body[0] = 0;
- if (vp->type == vtype_msgbody_end)
+ ss = (uschar **)(val);
+ if (*ss == NULL && deliver_datafile >= 0) /* Read body when needed */
{
- struct stat statbuf;
- if (fstat(deliver_datafile, &statbuf) == 0)
+ uschar *body;
+ off_t start_offset = SPOOL_DATA_START_OFFSET;
+ int len = message_body_visible;
+ if (len > message_size) len = message_size;
+ *ss = body = store_malloc(len+1);
+ body[0] = 0;
+ if (vp->type == vtype_msgbody_end)
{
- start_offset = statbuf.st_size - len;
- if (start_offset < SPOOL_DATA_START_OFFSET)
- start_offset = SPOOL_DATA_START_OFFSET;
- }
- }
- lseek(deliver_datafile, start_offset, SEEK_SET);
- len = read(deliver_datafile, body, len);
- if (len > 0)
- {
- body[len] = 0;
- if (message_body_newlines) /* Separate loops for efficiency */
- {
- while (len > 0)
- { if (body[--len] == 0) body[len] = ' '; }
+ struct stat statbuf;
+ if (fstat(deliver_datafile, &statbuf) == 0)
+ {
+ start_offset = statbuf.st_size - len;
+ if (start_offset < SPOOL_DATA_START_OFFSET)
+ start_offset = SPOOL_DATA_START_OFFSET;
+ }
}
- else
+ lseek(deliver_datafile, start_offset, SEEK_SET);
+ len = read(deliver_datafile, body, len);
+ if (len > 0)
{
- while (len > 0)
- { if (body[--len] == '\n' || body[len] == 0) body[len] = ' '; }
+ body[len] = 0;
+ if (message_body_newlines) /* Separate loops for efficiency */
+ while (len > 0)
+ { if (body[--len] == 0) body[len] = ' '; }
+ else
+ while (len > 0)
+ { if (body[--len] == '\n' || body[len] == 0) body[len] = ' '; }
}
}
- }
- return (*ss == NULL)? US"" : *ss;
+ return (*ss == NULL)? US"" : *ss;
case vtype_todbsdin: /* BSD inbox time of day */
- return tod_stamp(tod_bsdin);
+ return tod_stamp(tod_bsdin);
case vtype_tode: /* Unix epoch time of day */
- return tod_stamp(tod_epoch);
+ return tod_stamp(tod_epoch);
case vtype_todel: /* Unix epoch/usec time of day */
- return tod_stamp(tod_epoch_l);
+ return tod_stamp(tod_epoch_l);
case vtype_todf: /* Full time of day */
- return tod_stamp(tod_full);
+ return tod_stamp(tod_full);
case vtype_todl: /* Log format time of day */
- return tod_stamp(tod_log_bare); /* (without timezone) */
+ return tod_stamp(tod_log_bare); /* (without timezone) */
case vtype_todzone: /* Time zone offset only */
- return tod_stamp(tod_zone);
+ return tod_stamp(tod_zone);
case vtype_todzulu: /* Zulu time */
- return tod_stamp(tod_zulu);
+ return tod_stamp(tod_zulu);
case vtype_todlf: /* Log file datestamp tod */
- return tod_stamp(tod_log_datestamp_daily);
+ return tod_stamp(tod_log_datestamp_daily);
case vtype_reply: /* Get reply address */
- s = find_header(US"reply-to:", exists_only, newsize, TRUE,
- headers_charset);
- if (s != NULL) while (isspace(*s)) s++;
- if (s == NULL || *s == 0)
- {
- *newsize = 0; /* For the *s==0 case */
- s = find_header(US"from:", exists_only, newsize, TRUE, headers_charset);
- }
- if (s != NULL)
- {
- uschar *t;
- while (isspace(*s)) s++;
- for (t = s; *t != 0; t++) if (*t == '\n') *t = ' ';
- while (t > s && isspace(t[-1])) t--;
- *t = 0;
- }
- return (s == NULL)? US"" : s;
+ s = find_header(US"reply-to:", exists_only, newsize, TRUE,
+ headers_charset);
+ if (s != NULL) while (isspace(*s)) s++;
+ if (s == NULL || *s == 0)
+ {
+ *newsize = 0; /* For the *s==0 case */
+ s = find_header(US"from:", exists_only, newsize, TRUE, headers_charset);
+ }
+ if (s != NULL)
+ {
+ uschar *t;
+ while (isspace(*s)) s++;
+ for (t = s; *t != 0; t++) if (*t == '\n') *t = ' ';
+ while (t > s && isspace(t[-1])) t--;
+ *t = 0;
+ }
+ return (s == NULL)? US"" : s;
case vtype_string_func:
{
return var_buffer;
case vtype_cert:
- return *(void **)val ? US"<cert>" : US"";
+ return *(void **)val ? US"<cert>" : US"";
- #ifndef DISABLE_DKIM
+#ifndef DISABLE_DKIM
case vtype_dkim:
- return dkim_exim_expand_query((int)(long)val);
- #endif
+ return dkim_exim_expand_query((int)(long)val);
+#endif
}
#define XSTR(s) STR(s)
DEBUG(D_auth) debug_printf("crypteq: using %s()\n"
" subject=%s\n crypted=%s\n",
- (which == 0)? XSTR(DEFAULT_CRYPT) : (which == 1)? "crypt" : "crypt16",
+ which == 0 ? XSTR(DEFAULT_CRYPT) : which == 1 ? "crypt" : "crypt16",
coded, sub[1]);
#undef STR
#undef XSTR
salt), force failure. Otherwise we get false positives: with an empty
string the yield of crypt() is an empty string! */
- tempcond = (Ustrlen(sub[1]) < 2)? FALSE :
- (Ustrcmp(coded, sub[1]) == 0);
+ if (coded)
+ tempcond = Ustrlen(sub[1]) < 2 ? FALSE : Ustrcmp(coded, sub[1]) == 0;
+ else if (errno == EINVAL)
+ tempcond = FALSE;
+ else
+ {
+ expand_string_message = string_sprintf("crypt error: %s\n",
+ US strerror(errno));
+ return NULL;
+ }
}
break;
#endif /* SUPPORT_CRYPTEQ */
yieldptr points to the output string pointer
sizeptr points to the output string size
ptrptr points to the output string pointer
- type "lookup" or "if" or "extract" or "run", for error message
+ type "lookup", "if", "extract", "run", "env", "listextract" or
+ "certextract" for error message
resetok if not NULL, pointer to flag - write FALSE if unsafe to reset
the store.
}
else
{
- if (yes && lookup_value != NULL)
+ if (yes && lookup_value)
*yieldptr = string_cat(*yieldptr, sizeptr, ptrptr, lookup_value,
Ustrlen(lookup_value));
lookup_value = save_lookup;
if (yes)
*yieldptr = string_cat(*yieldptr, sizeptr, ptrptr, sub1, Ustrlen(sub1));
-/* If this is called from a lookup or an extract, we want to restore $value to
-what it was at the start of the item, so that it has this value during the
-second string expansion. For the call from "if" or "run" to this function,
-save_lookup is set to lookup_value, so that this statement does nothing. */
+/* If this is called from a lookup/env or a (cert)extract, we want to restore
+$value to what it was at the start of the item, so that it has this value
+during the second string expansion. For the call from "if" or "run" to this
+function, save_lookup is set to lookup_value, so that this statement does
+nothing. */
lookup_value = save_lookup;
* Join a file onto the output string *
*************************************************/
-/* This is used for readfile and after a run expansion. It joins the contents
-of a file onto the output string, globally replacing newlines with a given
-string (optionally). The file is closed at the end.
+/* This is used for readfile/readsock and after a run expansion.
+It joins the contents of a file onto the output string, globally replacing
+newlines with a given string (optionally).
Arguments:
f the FILE
static uschar *
cat_file(FILE *f, uschar *yield, int *sizep, int *ptrp, uschar *eol)
{
-int eollen;
+int eollen = eol ? Ustrlen(eol) : 0;
uschar buffer[1024];
-eollen = (eol == NULL)? 0 : Ustrlen(eol);
-
-while (Ufgets(buffer, sizeof(buffer), f) != NULL)
+while (Ufgets(buffer, sizeof(buffer), f))
{
int len = Ustrlen(buffer);
- if (eol != NULL && buffer[len-1] == '\n') len--;
+ if (eol && buffer[len-1] == '\n') len--;
yield = string_cat(yield, sizep, ptrp, buffer, len);
if (buffer[len] != 0)
yield = string_cat(yield, sizep, ptrp, eol, eollen);
}
-if (yield != NULL) yield[*ptrp] = 0;
+if (yield) yield[*ptrp] = 0;
return yield;
}
/* Variable */
- else
+ else if (!(value = find_variable(name, FALSE, skipping, &newsize)))
{
- value = find_variable(name, FALSE, skipping, &newsize);
- if (value == NULL)
- {
- expand_string_message =
- string_sprintf("unknown variable name \"%s\"", name);
- check_variable_error_message(name);
- goto EXPAND_FAILED;
- }
+ expand_string_message =
+ string_sprintf("unknown variable name \"%s\"", name);
+ check_variable_error_message(name);
+ goto EXPAND_FAILED;
}
/* If the data is known to be in a new buffer, newsize will be set to the
const uschar **argv;
pid_t pid;
int fd_in, fd_out;
- int lsize = 0;
- int lptr = 0;
+ int lsize = 0, lptr = 0;
if ((expand_forbid & RDO_RUN) != 0)
{
NULL, /* no transporting address */
US"${run} expansion", /* for error messages */
&expand_string_message)) /* where to put error message */
- {
goto EXPAND_FAILED;
- }
/* Create the child process, making it a group leader. */
- pid = child_open(USS argv, NULL, 0077, &fd_in, &fd_out, TRUE);
-
- if (pid < 0)
+ if ((pid = child_open(USS argv, NULL, 0077, &fd_in, &fd_out, TRUE)) < 0)
{
expand_string_message =
string_sprintf("couldn't create child process: %s", strerror(errno));
/* Read the pipe to get the command's output into $value (which is kept
in lookup_value). Read during execution, so that if the output exceeds
- the OS pipe buffer limit, we don't block forever. */
+ the OS pipe buffer limit, we don't block forever. Remember to not release
+ memory just allocated for $value. */
+ resetok = FALSE;
f = fdopen(fd_out, "rb");
sigalrm_seen = FALSE;
alarm(60);
- lookup_value = cat_file(f, lookup_value, &lsize, &lptr, NULL);
+ lookup_value = cat_file(f, NULL, &lsize, &lptr, NULL);
alarm(0);
(void)fclose(f);
case 3: goto EXPAND_FAILED;
}
- if (Ustrcmp(sub[0], "md5") == 0)
- {
- type = HMAC_MD5;
- use_base = &md5_base;
- hashlen = 16;
- hashblocklen = 64;
- }
- else if (Ustrcmp(sub[0], "sha1") == 0)
- {
- type = HMAC_SHA1;
- use_base = &sha1_base;
- hashlen = 20;
- hashblocklen = 64;
- }
- else
- {
- expand_string_message =
- string_sprintf("hmac algorithm \"%s\" is not recognised", sub[0]);
- goto EXPAND_FAILED;
- }
+ if (!skipping)
+ {
+ if (Ustrcmp(sub[0], "md5") == 0)
+ {
+ type = HMAC_MD5;
+ use_base = &md5_base;
+ hashlen = 16;
+ hashblocklen = 64;
+ }
+ else if (Ustrcmp(sub[0], "sha1") == 0)
+ {
+ type = HMAC_SHA1;
+ use_base = &sha1_base;
+ hashlen = 20;
+ hashblocklen = 64;
+ }
+ else
+ {
+ expand_string_message =
+ string_sprintf("hmac algorithm \"%s\" is not recognised", sub[0]);
+ goto EXPAND_FAILED;
+ }
- keyptr = sub[1];
- keylen = Ustrlen(keyptr);
+ keyptr = sub[1];
+ keylen = Ustrlen(keyptr);
- /* If the key is longer than the hash block length, then hash the key
- first */
+ /* If the key is longer than the hash block length, then hash the key
+ first */
- if (keylen > hashblocklen)
- {
- chash_start(type, use_base);
- chash_end(type, use_base, keyptr, keylen, keyhash);
- keyptr = keyhash;
- keylen = hashlen;
- }
+ if (keylen > hashblocklen)
+ {
+ chash_start(type, use_base);
+ chash_end(type, use_base, keyptr, keylen, keyhash);
+ keyptr = keyhash;
+ keylen = hashlen;
+ }
- /* Now make the inner and outer key values */
+ /* Now make the inner and outer key values */
- memset(innerkey, 0x36, hashblocklen);
- memset(outerkey, 0x5c, hashblocklen);
+ memset(innerkey, 0x36, hashblocklen);
+ memset(outerkey, 0x5c, hashblocklen);
- for (i = 0; i < keylen; i++)
- {
- innerkey[i] ^= keyptr[i];
- outerkey[i] ^= keyptr[i];
- }
+ for (i = 0; i < keylen; i++)
+ {
+ innerkey[i] ^= keyptr[i];
+ outerkey[i] ^= keyptr[i];
+ }
- /* Now do the hashes */
+ /* Now do the hashes */
- chash_start(type, use_base);
- chash_mid(type, use_base, innerkey);
- chash_end(type, use_base, sub[2], Ustrlen(sub[2]), innerhash);
+ chash_start(type, use_base);
+ chash_mid(type, use_base, innerkey);
+ chash_end(type, use_base, sub[2], Ustrlen(sub[2]), innerhash);
- chash_start(type, use_base);
- chash_mid(type, use_base, outerkey);
- chash_end(type, use_base, innerhash, hashlen, finalhash);
+ chash_start(type, use_base);
+ chash_mid(type, use_base, outerkey);
+ chash_end(type, use_base, innerhash, hashlen, finalhash);
- /* Encode the final hash as a hex string */
+ /* Encode the final hash as a hex string */
- p = finalhash_hex;
- for (i = 0; i < hashlen; i++)
- {
- *p++ = hex_digits[(finalhash[i] & 0xf0) >> 4];
- *p++ = hex_digits[finalhash[i] & 0x0f];
- }
+ p = finalhash_hex;
+ for (i = 0; i < hashlen; i++)
+ {
+ *p++ = hex_digits[(finalhash[i] & 0xf0) >> 4];
+ *p++ = hex_digits[finalhash[i] & 0x0f];
+ }
- DEBUG(D_any) debug_printf("HMAC[%s](%.*s,%.*s)=%.*s\n", sub[0],
- (int)keylen, keyptr, Ustrlen(sub[2]), sub[2], hashlen*2, finalhash_hex);
+ DEBUG(D_any) debug_printf("HMAC[%s](%.*s,%.*s)=%.*s\n",
+ sub[0], (int)keylen, keyptr, Ustrlen(sub[2]), sub[2], hashlen*2,
+ finalhash_hex);
- yield = string_cat(yield, &size, &ptr, finalhash_hex, hashlen*2);
+ yield = string_cat(yield, &size, &ptr, finalhash_hex, hashlen*2);
+ }
}
continue;
&yield, /* output pointer */
&size, /* output size */
&ptr, /* output current point */
- US"extract", /* condition type */
+ US"listextract", /* condition type */
&resetok))
{
case 1: goto EXPAND_FAILED; /* when all is well, the */
&yield, /* output pointer */
&size, /* output size */
&ptr, /* output current point */
- US"extract", /* condition type */
+ US"certextract", /* condition type */
&resetok))
{
case 1: goto EXPAND_FAILED; /* when all is well, the */
switch(c)
{
+ case EOP_BASE32:
+ {
+ uschar *t;
+ unsigned long int n = Ustrtoul(sub, &t, 10);
+ uschar * s = NULL;
+ int sz = 0, i = 0;
+
+ if (*t != 0)
+ {
+ expand_string_message = string_sprintf("argument for base32 "
+ "operator is \"%s\", which is not a decimal number", sub);
+ goto EXPAND_FAILED;
+ }
+ for ( ; n; n >>= 5)
+ s = string_cat(s, &sz, &i, &base32_chars[n & 0x1f], 1);
+
+ while (i > 0) yield = string_cat(yield, &size, &ptr, &s[--i], 1);
+ continue;
+ }
+
+ case EOP_BASE32D:
+ {
+ uschar *tt = sub;
+ unsigned long int n = 0;
+ uschar * s;
+ while (*tt)
+ {
+ uschar * t = Ustrchr(base32_chars, *tt++);
+ if (t == NULL)
+ {
+ expand_string_message = string_sprintf("argument for base32d "
+ "operator is \"%s\", which is not a base 32 number", sub);
+ goto EXPAND_FAILED;
+ }
+ n = n * 32 + (t - base32_chars);
+ }
+ s = string_sprintf("%ld", n);
+ yield = string_cat(yield, &size, &ptr, s, Ustrlen(s));
+ continue;
+ }
+
case EOP_BASE62:
{
uschar *t;
case EOP_STR2B64:
case EOP_BASE64:
{
+#ifdef SUPPORT_TLS
uschar * s = vp && *(void **)vp->value
? tls_cert_der_b64(*(void **)vp->value)
: b64encode(sub, Ustrlen(sub));
+#else
+ uschar * s = b64encode(sub, Ustrlen(sub));
+#endif
yield = string_cat(yield, &size, &ptr, s, Ustrlen(s));
continue;
}
projects / exim.git / blobdiff