case vtype_pspace:
{
int inodes;
- sprintf(CS var_buffer, "%d",
+ sprintf(CS var_buffer, PR_EXIM_ARITH,
receive_statvfs(val == (void *)TRUE, &inodes));
}
return var_buffer;
+/************************************************/
+/* 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 i, 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. */
{
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;
}
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 != NULL) *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
}
+/************************************************/
+/* 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 */
+}
+
+
/* Return pointer to dewrapped string, with enclosing specified chars removed.
The given string is modified on return. Leading whitespace is skipped while
looking for the opening wrap character, then the rest is scanned for the trailing
a copy in an allocated string. Update the list pointer.
The element may itself be an abject or array.
+Return NULL when the list is empty.
*/
-uschar *
+static uschar *
json_nextinlist(const uschar ** list)
{
unsigned array_depth = 0, object_depth = 0;
case '}': object_depth--; break;
}
*list = *s ? s+1 : s;
+if (item == s) return NULL;
item = string_copyn(item, s - item);
DEBUG(D_expand) debug_printf_indent(" json ele: '%s'\n", item);
return US item;
}
-
-
/*************************************************
* Expand string *
*************************************************/
(void)sscanf(CS now,"%u",&inow);
(void)sscanf(CS daystamp,"%u",&iexpire);
- /* When "iexpire" is < 7, a "flip" has occured.
+ /* When "iexpire" is < 7, a "flip" has occurred.
Adjust "inow" accordingly. */
if ( (iexpire < 7) && (inow >= 993) ) inow = 0;
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++ != '{')
{
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. */
case EOP_BASE62D:
{
- uschar buf[16];
uschar *tt = sub;
unsigned long int n = 0;
while (*tt != 0)
}
n = n * BASE_62 + (t - base62_chars);
}
- (void)sprintf(CS buf, "%ld", n);
- yield = string_cat(yield, buf);
+ yield = string_fmt_append(yield, "%ld", n);
continue;
}
md5 base;
uschar digest[16];
int j;
- char st[33];
md5_start(&base);
md5_end(&base, sub, Ustrlen(sub), digest);
- for(j = 0; j < 16; j++) sprintf(st+2*j, "%02x", digest[j]);
- yield = string_cat(yield, US st);
+ for (j = 0; j < 16; j++)
+ yield = string_fmt_append(yield, "%02x", digest[j]);
}
continue;
hctx h;
uschar digest[20];
int j;
- char st[41];
sha1_start(&h);
sha1_end(&h, sub, Ustrlen(sub), digest);
- for(j = 0; j < 20; j++) sprintf(st+2*j, "%02X", digest[j]);
- yield = string_catn(yield, US st, 40);
+ for (j = 0; j < 20; j++)
+ yield = string_fmt_append(yield, "%02X", digest[j]);
}
continue;
{
hctx h;
blob b;
- char st[3];
if (!exim_sha_init(&h, HASH_SHA2_256))
{
exim_sha_update(&h, sub, Ustrlen(sub));
exim_sha_finish(&h, &b);
while (b.len-- > 0)
- {
- sprintf(st, "%02X", *b.data++);
- yield = string_catn(yield, US st, 2);
- }
+ yield = string_fmt_append(yield, "%02X", *b.data++);
}
#else
expand_string_message = US"sha256 only supported with TLS";
{
hctx h;
blob b;
- char st[3];
hashmethod m = !arg ? HASH_SHA3_256
: Ustrcmp(arg, "224") == 0 ? HASH_SHA3_224
: Ustrcmp(arg, "256") == 0 ? HASH_SHA3_256
exim_sha_update(&h, sub, Ustrlen(sub));
exim_sha_finish(&h, &b);
while (b.len-- > 0)
- {
- sprintf(st, "%02X", *b.data++);
- yield = string_catn(yield, US st, 2);
- }
+ yield = string_fmt_append(yield, "%02X", *b.data++);
}
continue;
#else
while (*(++t) != 0)
{
if (*t < 0x21 || 0x7E < *t)
- yield = string_catn(yield, string_sprintf("\\x%02x", *t), 4);
+ yield = string_fmt_append(yield, "\\x%02x", *t);
else
yield = string_catn(yield, t, 1);
}
{
int cnt = 0;
int sep = 0;
- uschar * cp;
uschar buffer[256];
while (string_nextinlist(CUSS &sub, &sep, buffer, sizeof(buffer)) != NULL) cnt++;
- cp = string_sprintf("%d", cnt);
- yield = string_cat(yield, cp);
+ yield = string_fmt_append(yield, "%d", cnt);
continue;
}
for (s = sub; (c = *s); s++)
yield = c < 127 && c != '\\'
? string_catn(yield, s, 1)
- : string_catn(yield, string_sprintf("\\%03o", c), 4);
+ : string_fmt_append(yield, "\\%03o", c);
continue;
}
uschar *save_sub = sub;
uschar *error = NULL;
int_eximarith_t n = eval_expr(&sub, (c == EOP_EVAL10), &error, FALSE);
- if (error != NULL)
+ if (error)
{
expand_string_message = string_sprintf("error in expression "
"evaluation: %s (after processing \"%.*s\")", error,
(int)(sub-save_sub), save_sub);
goto EXPAND_FAILED;
}
- sprintf(CS var_buffer, PR_EXIM_ARITH, n);
- yield = string_cat(yield, var_buffer);
+ yield = string_fmt_append(yield, PR_EXIM_ARITH, n);
continue;
}
- /* Handle time period formating */
+ /* Handle time period formatting */
case EOP_TIME_EVAL:
{
"Exim time interval in \"%s\" operator", sub, name);
goto EXPAND_FAILED;
}
- sprintf(CS var_buffer, "%d", n);
- yield = string_cat(yield, var_buffer);
+ yield = string_fmt_append(yield, "%d", n);
continue;
}
/* strlen returns the length of the string */
case EOP_STRLEN:
- {
- uschar buff[24];
- (void)sprintf(CS buff, "%d", Ustrlen(sub));
- yield = string_cat(yield, buff);
+ yield = string_fmt_append(yield, "%d", Ustrlen(sub));
continue;
- }
/* length_n or l_n takes just the first n characters or the whole string,
whichever is the shorter;
int len;
uschar *ret;
- if (arg == NULL)
+ if (!arg)
{
expand_string_message = string_sprintf("missing values after %s",
name);
case EOP_STAT:
{
- uschar *s;
uschar smode[12];
uschar **modetable[3];
int i;
mode_t mode;
struct stat st;
- if ((expand_forbid & RDO_EXISTS) != 0)
+ if (expand_forbid & RDO_EXISTS)
{
expand_string_message = US"Use of the stat() expansion is not permitted";
goto EXPAND_FAILED;
}
smode[10] = 0;
- s = string_sprintf("mode=%04lo smode=%s inode=%ld device=%ld links=%ld "
+ yield = string_fmt_append(yield,
+ "mode=%04lo smode=%s inode=%ld device=%ld links=%ld "
"uid=%ld gid=%ld size=" OFF_T_FMT " atime=%ld mtime=%ld ctime=%ld",
(long)(st.st_mode & 077777), smode, (long)st.st_ino,
(long)st.st_dev, (long)st.st_nlink, (long)st.st_uid,
(long)st.st_gid, st.st_size, (long)st.st_atime,
(long)st.st_mtime, (long)st.st_ctime);
- yield = string_cat(yield, s);
continue;
}
case EOP_RANDINT:
{
- int_eximarith_t max;
- uschar *s;
+ int_eximarith_t max = expanded_string_integer(sub, TRUE);
- max = expanded_string_integer(sub, TRUE);
- if (expand_string_message != NULL)
+ if (expand_string_message)
goto EXPAND_FAILED;
- s = string_sprintf("%d", vaguely_random_number((int)max));
- yield = string_cat(yield, s);
+ yield = string_fmt_append(yield, "%d", vaguely_random_number((int)max));
continue;
}
/* Unknown operator */
default:
- expand_string_message =
- string_sprintf("unknown expansion operator \"%s\"", name);
- goto EXPAND_FAILED;
+ expand_string_message =
+ string_sprintf("unknown expansion operator \"%s\"", name);
+ goto EXPAND_FAILED;
}
}
projects / exim.git / blobdiff