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-rw-r--r--src/backend/utils/adt/acl.c33
-rw-r--r--src/backend/utils/adt/pg_locale_libc.c24
-rw-r--r--src/backend/utils/adt/pg_lsn.c2
-rw-r--r--src/backend/utils/adt/xml.c21
-rw-r--r--src/backend/utils/misc/guc_tables.c10
-rw-r--r--src/backend/utils/misc/postgresql.conf.sample2
6 files changed, 57 insertions, 35 deletions
diff --git a/src/backend/utils/adt/acl.c b/src/backend/utils/adt/acl.c
index ca3c5ee3df3..1213f9106d5 100644
--- a/src/backend/utils/adt/acl.c
+++ b/src/backend/utils/adt/acl.c
@@ -135,6 +135,22 @@ static void RoleMembershipCacheCallback(Datum arg, int cacheid, uint32 hashvalue
/*
+ * Test whether an identifier char can be left unquoted in ACLs.
+ *
+ * Formerly, we used isalnum() even on non-ASCII characters, resulting in
+ * unportable behavior. To ensure dump compatibility with old versions,
+ * we now treat high-bit-set characters as always requiring quoting during
+ * putid(), but getid() will always accept them without quotes.
+ */
+static inline bool
+is_safe_acl_char(unsigned char c, bool is_getid)
+{
+ if (IS_HIGHBIT_SET(c))
+ return is_getid;
+ return isalnum(c) || c == '_';
+}
+
+/*
* getid
* Consumes the first alphanumeric string (identifier) found in string
* 's', ignoring any leading white space. If it finds a double quote
@@ -159,21 +175,22 @@ getid(const char *s, char *n, Node *escontext)
while (isspace((unsigned char) *s))
s++;
- /* This code had better match what putid() does, below */
for (;
*s != '\0' &&
- (isalnum((unsigned char) *s) ||
- *s == '_' ||
- *s == '"' ||
- in_quotes);
+ (in_quotes || *s == '"' || is_safe_acl_char(*s, true));
s++)
{
if (*s == '"')
{
+ if (!in_quotes)
+ {
+ in_quotes = true;
+ continue;
+ }
/* safe to look at next char (could be '\0' though) */
if (*(s + 1) != '"')
{
- in_quotes = !in_quotes;
+ in_quotes = false;
continue;
}
/* it's an escaped double quote; skip the escaping char */
@@ -207,10 +224,10 @@ putid(char *p, const char *s)
const char *src;
bool safe = true;
+ /* Detect whether we need to use double quotes */
for (src = s; *src; src++)
{
- /* This test had better match what getid() does, above */
- if (!isalnum((unsigned char) *src) && *src != '_')
+ if (!is_safe_acl_char(*src, false))
{
safe = false;
break;
diff --git a/src/backend/utils/adt/pg_locale_libc.c b/src/backend/utils/adt/pg_locale_libc.c
index e9f9fc1e369..8d88b53c375 100644
--- a/src/backend/utils/adt/pg_locale_libc.c
+++ b/src/backend/utils/adt/pg_locale_libc.c
@@ -457,7 +457,7 @@ strlower_libc_mb(char *dest, size_t destsize, const char *src, ssize_t srclen,
/* Output workspace cannot have more codes than input bytes */
workspace = (wchar_t *) palloc((srclen + 1) * sizeof(wchar_t));
- char2wchar(workspace, srclen + 1, src, srclen, locale);
+ char2wchar(workspace, srclen + 1, src, srclen, loc);
for (curr_char = 0; workspace[curr_char] != 0; curr_char++)
workspace[curr_char] = towlower_l(workspace[curr_char], loc);
@@ -468,7 +468,7 @@ strlower_libc_mb(char *dest, size_t destsize, const char *src, ssize_t srclen,
max_size = curr_char * pg_database_encoding_max_length();
result = palloc(max_size + 1);
- result_size = wchar2char(result, workspace, max_size + 1, locale);
+ result_size = wchar2char(result, workspace, max_size + 1, loc);
if (result_size + 1 > destsize)
return result_size;
@@ -552,7 +552,7 @@ strtitle_libc_mb(char *dest, size_t destsize, const char *src, ssize_t srclen,
/* Output workspace cannot have more codes than input bytes */
workspace = (wchar_t *) palloc((srclen + 1) * sizeof(wchar_t));
- char2wchar(workspace, srclen + 1, src, srclen, locale);
+ char2wchar(workspace, srclen + 1, src, srclen, loc);
for (curr_char = 0; workspace[curr_char] != 0; curr_char++)
{
@@ -569,7 +569,7 @@ strtitle_libc_mb(char *dest, size_t destsize, const char *src, ssize_t srclen,
max_size = curr_char * pg_database_encoding_max_length();
result = palloc(max_size + 1);
- result_size = wchar2char(result, workspace, max_size + 1, locale);
+ result_size = wchar2char(result, workspace, max_size + 1, loc);
if (result_size + 1 > destsize)
return result_size;
@@ -640,7 +640,7 @@ strupper_libc_mb(char *dest, size_t destsize, const char *src, ssize_t srclen,
/* Output workspace cannot have more codes than input bytes */
workspace = (wchar_t *) palloc((srclen + 1) * sizeof(wchar_t));
- char2wchar(workspace, srclen + 1, src, srclen, locale);
+ char2wchar(workspace, srclen + 1, src, srclen, loc);
for (curr_char = 0; workspace[curr_char] != 0; curr_char++)
workspace[curr_char] = towupper_l(workspace[curr_char], loc);
@@ -651,7 +651,7 @@ strupper_libc_mb(char *dest, size_t destsize, const char *src, ssize_t srclen,
max_size = curr_char * pg_database_encoding_max_length();
result = palloc(max_size + 1);
- result_size = wchar2char(result, workspace, max_size + 1, locale);
+ result_size = wchar2char(result, workspace, max_size + 1, loc);
if (result_size + 1 > destsize)
return result_size;
@@ -1130,7 +1130,7 @@ wcstombs_l(char *dest, const wchar_t *src, size_t n, locale_t loc)
* zero-terminated. The output will be zero-terminated iff there is room.
*/
size_t
-wchar2char(char *to, const wchar_t *from, size_t tolen, pg_locale_t locale)
+wchar2char(char *to, const wchar_t *from, size_t tolen, locale_t loc)
{
size_t result;
@@ -1160,7 +1160,7 @@ wchar2char(char *to, const wchar_t *from, size_t tolen, pg_locale_t locale)
}
else
#endif /* WIN32 */
- if (locale == (pg_locale_t) 0)
+ if (loc == (locale_t) 0)
{
/* Use wcstombs directly for the default locale */
result = wcstombs(to, from, tolen);
@@ -1168,7 +1168,7 @@ wchar2char(char *to, const wchar_t *from, size_t tolen, pg_locale_t locale)
else
{
/* Use wcstombs_l for nondefault locales */
- result = wcstombs_l(to, from, tolen, locale->info.lt);
+ result = wcstombs_l(to, from, tolen, loc);
}
return result;
@@ -1185,7 +1185,7 @@ wchar2char(char *to, const wchar_t *from, size_t tolen, pg_locale_t locale)
*/
size_t
char2wchar(wchar_t *to, size_t tolen, const char *from, size_t fromlen,
- pg_locale_t locale)
+ locale_t loc)
{
size_t result;
@@ -1220,7 +1220,7 @@ char2wchar(wchar_t *to, size_t tolen, const char *from, size_t fromlen,
/* mbstowcs requires ending '\0' */
char *str = pnstrdup(from, fromlen);
- if (locale == (pg_locale_t) 0)
+ if (loc == (locale_t) 0)
{
/* Use mbstowcs directly for the default locale */
result = mbstowcs(to, str, tolen);
@@ -1228,7 +1228,7 @@ char2wchar(wchar_t *to, size_t tolen, const char *from, size_t fromlen,
else
{
/* Use mbstowcs_l for nondefault locales */
- result = mbstowcs_l(to, str, tolen, locale->info.lt);
+ result = mbstowcs_l(to, str, tolen, loc);
}
pfree(str);
diff --git a/src/backend/utils/adt/pg_lsn.c b/src/backend/utils/adt/pg_lsn.c
index 16311590a14..12de2446f5b 100644
--- a/src/backend/utils/adt/pg_lsn.c
+++ b/src/backend/utils/adt/pg_lsn.c
@@ -83,7 +83,7 @@ pg_lsn_out(PG_FUNCTION_ARGS)
char buf[MAXPG_LSNLEN + 1];
char *result;
- snprintf(buf, sizeof buf, "%X/%X", LSN_FORMAT_ARGS(lsn));
+ snprintf(buf, sizeof buf, "%X/%08X", LSN_FORMAT_ARGS(lsn));
result = pstrdup(buf);
PG_RETURN_CSTRING(result);
}
diff --git a/src/backend/utils/adt/xml.c b/src/backend/utils/adt/xml.c
index 2bd39b6ac4b..f7b731825fc 100644
--- a/src/backend/utils/adt/xml.c
+++ b/src/backend/utils/adt/xml.c
@@ -532,7 +532,7 @@ xmltext(PG_FUNCTION_ARGS)
volatile xmlChar *xmlbuf = NULL;
PgXmlErrorContext *xmlerrcxt;
- /* Otherwise, we gotta spin up some error handling. */
+ /* First we gotta spin up some error handling. */
xmlerrcxt = pg_xml_init(PG_XML_STRICTNESS_ALL);
PG_TRY();
@@ -685,7 +685,7 @@ xmltotext_with_options(xmltype *data, XmlOptionType xmloption_arg, bool indent)
volatile xmlBufferPtr buf = NULL;
volatile xmlSaveCtxtPtr ctxt = NULL;
ErrorSaveContext escontext = {T_ErrorSaveContext};
- PgXmlErrorContext *xmlerrcxt;
+ PgXmlErrorContext *volatile xmlerrcxt = NULL;
#endif
if (xmloption_arg != XMLOPTION_DOCUMENT && !indent)
@@ -726,13 +726,18 @@ xmltotext_with_options(xmltype *data, XmlOptionType xmloption_arg, bool indent)
return (text *) data;
}
- /* Otherwise, we gotta spin up some error handling. */
- xmlerrcxt = pg_xml_init(PG_XML_STRICTNESS_ALL);
-
+ /*
+ * Otherwise, we gotta spin up some error handling. Unlike most other
+ * routines in this module, we already have a libxml "doc" structure to
+ * free, so we need to call pg_xml_init() inside the PG_TRY and be
+ * prepared for it to fail (typically due to palloc OOM).
+ */
PG_TRY();
{
size_t decl_len = 0;
+ xmlerrcxt = pg_xml_init(PG_XML_STRICTNESS_ALL);
+
/* The serialized data will go into this buffer. */
buf = xmlBufferCreate();
@@ -863,10 +868,10 @@ xmltotext_with_options(xmltype *data, XmlOptionType xmloption_arg, bool indent)
xmlSaveClose(ctxt);
if (buf)
xmlBufferFree(buf);
- if (doc)
- xmlFreeDoc(doc);
+ xmlFreeDoc(doc);
- pg_xml_done(xmlerrcxt, true);
+ if (xmlerrcxt)
+ pg_xml_done(xmlerrcxt, true);
PG_RE_THROW();
}
diff --git a/src/backend/utils/misc/guc_tables.c b/src/backend/utils/misc/guc_tables.c
index 511dc32d519..d14b1678e7f 100644
--- a/src/backend/utils/misc/guc_tables.c
+++ b/src/backend/utils/misc/guc_tables.c
@@ -3081,7 +3081,7 @@ struct config_int ConfigureNamesInt[] =
},
&max_slot_wal_keep_size_mb,
-1, -1, MAX_KILOBYTES,
- check_max_slot_wal_keep_size, NULL, NULL
+ NULL, NULL, NULL
},
{
@@ -3100,11 +3100,11 @@ struct config_int ConfigureNamesInt[] =
gettext_noop("Sets the duration a replication slot can remain idle before "
"it is invalidated."),
NULL,
- GUC_UNIT_MIN
+ GUC_UNIT_S
},
- &idle_replication_slot_timeout_mins,
- 0, 0, INT_MAX / SECS_PER_MINUTE,
- check_idle_replication_slot_timeout, NULL, NULL
+ &idle_replication_slot_timeout_secs,
+ 0, 0, INT_MAX,
+ NULL, NULL, NULL
},
{
diff --git a/src/backend/utils/misc/postgresql.conf.sample b/src/backend/utils/misc/postgresql.conf.sample
index 341f88adc87..a9d8293474a 100644
--- a/src/backend/utils/misc/postgresql.conf.sample
+++ b/src/backend/utils/misc/postgresql.conf.sample
@@ -342,7 +342,7 @@
# (change requires restart)
#wal_keep_size = 0 # in megabytes; 0 disables
#max_slot_wal_keep_size = -1 # in megabytes; -1 disables
-#idle_replication_slot_timeout = 0 # in minutes; 0 disables
+#idle_replication_slot_timeout = 0 # in seconds; 0 disables
#wal_sender_timeout = 60s # in milliseconds; 0 disables
#track_commit_timestamp = off # collect timestamp of transaction commit
# (change requires restart)