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Commit 0fc5ad1e authored by Damien@damiendev's avatar Damien@damiendev
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Bug#26346: stack + buffer overrun in mysqldump 

Fixes to buffer overlows from long command line args, and unchecked dyn_str return codes. Also light refactoring.
parent 185fbb6a
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Showing with 355 additions and 242 deletions
client/mysqldump.c
View file @ 0fc5ad1e
......@@ -76,13 +76,13 @@
#define IGNORE_DATA 0x01 /* don't dump data for this table */
#define IGNORE_INSERT_DELAYED 0x02 /* table doesn't support INSERT DELAYED */
static char *add_load_option(char *ptr, const char *object,
const char *statement);
static void add_load_option(DYNAMIC_STRING *str, const char *option,
const char *option_value);
static ulong find_set(TYPELIB *lib, const char *x, uint length,
char **err_pos, uint *err_len);
static char *alloc_query_str(ulong size);
static char *field_escape(char *to,const char *from,uint length);
static void field_escape(DYNAMIC_STRING* in, const char *from);
static my_bool verbose= 0, opt_no_create_info= 0, opt_no_data= 0,
quick= 1, extended_insert= 1,
lock_tables=1,ignore_errors=0,flush_logs=0,flush_privileges=0,
......@@ -121,6 +121,19 @@ FILE *md_result_file= 0;
static char *shared_memory_base_name=0;
#endif
static uint opt_protocol= 0;
/*
Dynamic_string wrapper functions. In this file use these
wrappers, they will terminate the process if there is
an allocation failure.
*/
static void init_dynamic_string_checked(DYNAMIC_STRING *str, const char *init_str,
uint init_alloc, uint alloc_increment);
static void dynstr_append_checked(DYNAMIC_STRING* dest, const char* src);
static void dynstr_set_checked(DYNAMIC_STRING *str, const char *init_str);
static void dynstr_append_mem_checked(DYNAMIC_STRING *str, const char *append,
uint length);
static void dynstr_realloc_checked(DYNAMIC_STRING *str, ulong additional_size);
/*
Constant for detection of default value of default_charset.
If default_charset is equal to mysql_universal_client_charset, then
......@@ -419,7 +432,9 @@ static struct my_option my_long_options[] =
static const char *load_default_groups[]= { "mysqldump","client",0 };
static void safe_exit(int error);
static void maybe_exit(int error);
static void die(int error, const char* reason, ...);
static void maybe_die(int error, const char* reason, ...);
static void write_header(FILE *sql_file, char *db_name);
static void print_value(FILE *file, MYSQL_RES *result, MYSQL_ROW row,
const char *prefix,const char *name,
......@@ -474,11 +489,7 @@ static void verbose_msg(const char *fmt, ...)
void check_io(FILE *file)
{
if (ferror(file))
{
fprintf(stderr, "%s: Got errno %d on write\n", my_progname, errno);
ignore_errors= 0; /* We can't ignore this error */
safe_exit(EX_EOF);
}
die(EX_EOF, "Got errno %d on write", errno);
}
static void print_version(void)
......@@ -864,12 +875,74 @@ static int get_options(int *argc, char ***argv)
static void DB_error(MYSQL *mysql_arg, const char *when)
{
DBUG_ENTER("DB_error");
fprintf(stderr, "%s: Got error: %d: %s %s\n", my_progname,
maybe_die(EX_MYSQLERR, "Got error: %d: %s %s",
mysql_errno(mysql_arg), mysql_error(mysql_arg), when);
fflush(stderr);
safe_exit(EX_MYSQLERR);
DBUG_VOID_RETURN;
} /* DB_error */
}
/*
Prints out an error message and kills the process.
SYNOPSIS
die()
error_num - process return value
fmt_reason - a format string for use by my_vsnprintf.
... - variable arguments for above fmt_reason string
DESCRIPTION
This call prints out the formatted error message to stderr and then
terminates the process.
*/
static void die(int error_num, const char* fmt_reason, ...)
{
char buffer[1000];
va_list args;
va_start(args,fmt_reason);
my_vsnprintf(buffer, sizeof(buffer), fmt_reason, args);
va_end(args);
fprintf(stderr, "%s: %s\n", my_progname, buffer);
fflush(stderr);
ignore_errors= 0; /* force the exit */
maybe_exit(error_num);
}
/*
Prints out an error message and maybe kills the process.
SYNOPSIS
maybe_die()
error_num - process return value
fmt_reason - a format string for use by my_vsnprintf.
... - variable arguments for above fmt_reason string
DESCRIPTION
This call prints out the formatted error message to stderr and then
terminates the process, unless the --force command line option is used.
This call should be used for non-fatal errors (such as database
errors) that the code may still be able to continue to the next unit
of work.
*/
static void maybe_die(int error_num, const char* fmt_reason, ...)
{
char buffer[1000];
va_list args;
va_start(args,fmt_reason);
my_vsnprintf(buffer, sizeof(buffer), fmt_reason, args);
va_end(args);
fprintf(stderr, "%s: %s\n", my_progname, buffer);
fflush(stderr);
maybe_exit(error_num);
}
/*
......@@ -894,10 +967,8 @@ static int mysql_query_with_error_report(MYSQL *mysql_con, MYSQL_RES **res,
if (mysql_query(mysql_con, query) ||
(res && !((*res)= mysql_store_result(mysql_con))))
{
fprintf(stderr, "%s: Couldn't execute '%s': %s (%d)\n",
my_progname, query,
mysql_error(mysql_con), mysql_errno(mysql_con));
safe_exit(EX_MYSQLERR);
maybe_die(EX_MYSQLERR, "Couldn't execute '%s': %s (%d)",
query, mysql_error(mysql_con), mysql_errno(mysql_con));
return 1;
}
return 0;
......@@ -942,7 +1013,7 @@ static void free_resources()
}
static void safe_exit(int error)
static void maybe_exit(int error)
{
if (!first_error)
first_error= error;
......@@ -1002,10 +1073,7 @@ static int connect_to_db(char *host, char *user,char *passwd)
my_snprintf(buff, sizeof(buff), "/*!40100 SET @@SQL_MODE='%s' */",
compatible_mode_normal_str);
if (mysql_query_with_error_report(mysql, 0, buff))
{
safe_exit(EX_MYSQLERR);
DBUG_RETURN(1);
}
/*
set time_zone to UTC to allow dumping date types between servers with
different time zone settings
......@@ -1014,10 +1082,7 @@ static int connect_to_db(char *host, char *user,char *passwd)
{
my_snprintf(buff, sizeof(buff), "/*!40103 SET TIME_ZONE='+00:00' */");
if (mysql_query_with_error_report(mysql, 0, buff))
{
safe_exit(EX_MYSQLERR);
DBUG_RETURN(1);
}
}
DBUG_RETURN(0);
} /* connect_to_db */
......@@ -1038,10 +1103,8 @@ static void unescape(FILE *file,char *pos,uint length)
char *tmp;
DBUG_ENTER("unescape");
if (!(tmp=(char*) my_malloc(length*2+1, MYF(MY_WME))))
{
ignore_errors=0; /* Fatal error */
safe_exit(EX_MYSQLERR); /* Force exit */
}
die(EX_MYSQLERR, "Couldn't allocate memory");
mysql_real_escape_string(&mysql_connection, tmp, pos, length);
fputc('\'', file);
fputs(tmp, file);
......@@ -1350,7 +1413,7 @@ static void print_blob_as_hex(FILE *output_file, const char *str, ulong len)
/*
dump_routines_for_db
-- retrievs list of routines for a given db, and prints out
-- retrieves list of routines for a given db, and prints out
the CREATE PROCEDURE definition into the output (the dump).
This function has logic to print the appropriate syntax depending on whether
......@@ -1545,11 +1608,10 @@ static uint get_table_structure(char *table, char *db, char *table_type,
if (!insert_pat_inited)
{
insert_pat_inited= 1;
if (init_dynamic_string(&insert_pat, "", 1024, 1024))
safe_exit(EX_MYSQLERR);
init_dynamic_string_checked(&insert_pat, "", 1024, 1024);
}
else
dynstr_set(&insert_pat, "");
dynstr_set_checked(&insert_pat, "");
}
insert_option= ((delayed && opt_ignore) ? " DELAYED IGNORE " :
......@@ -1581,18 +1643,13 @@ static uint get_table_structure(char *table, char *db, char *table_type,
my_snprintf(buff, sizeof(buff), "show create table %s", result_table);
if (mysql_query_with_error_report(mysql, 0, buff))
{
safe_exit(EX_MYSQLERR);
DBUG_RETURN(0);
}
if (path)
{
if (!(sql_file= open_sql_file_for_table(table)))
{
safe_exit(EX_MYSQLERR);
DBUG_RETURN(0);
}
write_header(sql_file, db);
}
if (!opt_xml && opt_comments)
......@@ -1656,7 +1713,6 @@ static uint get_table_structure(char *table, char *db, char *table_type,
my_free(scv_buff, MYF(MY_ALLOW_ZERO_PTR));
safe_exit(EX_MYSQLERR);
DBUG_RETURN(0);
}
else
......@@ -1719,7 +1775,6 @@ static uint get_table_structure(char *table, char *db, char *table_type,
{
if (path)
my_fclose(sql_file, MYF(MY_WME));
safe_exit(EX_MYSQLERR);
DBUG_RETURN(0);
}
......@@ -1731,19 +1786,19 @@ static uint get_table_structure(char *table, char *db, char *table_type,
*/
if (write_data)
{
dynstr_append_mem(&insert_pat, "INSERT ", 7);
dynstr_append(&insert_pat, insert_option);
dynstr_append_mem(&insert_pat, "INTO ", 5);
dynstr_append(&insert_pat, opt_quoted_table);
dynstr_append_checked(&insert_pat, "INSERT ");
dynstr_append_checked(&insert_pat, insert_option);
dynstr_append_checked(&insert_pat, "INTO ");
dynstr_append_checked(&insert_pat, opt_quoted_table);
if (complete_insert)
{
dynstr_append_mem(&insert_pat, " (", 2);
dynstr_append_checked(&insert_pat, " (");
}
else
{
dynstr_append_mem(&insert_pat, " VALUES ", 8);
dynstr_append_checked(&insert_pat, " VALUES ");
if (!extended_insert)
dynstr_append_mem(&insert_pat, "(", 1);
dynstr_append_checked(&insert_pat, "(");
}
}
......@@ -1753,10 +1808,10 @@ static uint get_table_structure(char *table, char *db, char *table_type,
{
if (init)
{
dynstr_append_mem(&insert_pat, ", ", 2);
dynstr_append_checked(&insert_pat, ", ");
}
init=1;
dynstr_append(&insert_pat,
dynstr_append_checked(&insert_pat,
quote_name(row[SHOW_FIELDNAME], name_buff, 0));
}
}
......@@ -1771,10 +1826,7 @@ static uint get_table_structure(char *table, char *db, char *table_type,
my_snprintf(query_buff, sizeof(query_buff), "show fields from %s",
result_table);
if (mysql_query_with_error_report(mysql, &result, query_buff))
{
safe_exit(EX_MYSQLERR);
DBUG_RETURN(0);
}
/* Make an sql-file, if path was given iow. option -T was given */
if (!opt_no_create_info)
......@@ -1782,10 +1834,7 @@ static uint get_table_structure(char *table, char *db, char *table_type,
if (path)
{
if (!(sql_file= open_sql_file_for_table(table)))
{
safe_exit(EX_MYSQLERR);
DBUG_RETURN(0);
}
write_header(sql_file, db);
}
if (!opt_xml && opt_comments)
......@@ -1803,17 +1852,17 @@ static uint get_table_structure(char *table, char *db, char *table_type,
if (write_data)
{
dynstr_append_mem(&insert_pat, "INSERT ", 7);
dynstr_append(&insert_pat, insert_option);
dynstr_append_mem(&insert_pat, "INTO ", 5);
dynstr_append(&insert_pat, result_table);
dynstr_append_checked(&insert_pat, "INSERT ");
dynstr_append_checked(&insert_pat, insert_option);
dynstr_append_checked(&insert_pat, "INTO ");
dynstr_append_checked(&insert_pat, result_table);
if (opt_complete_insert)
dynstr_append_mem(&insert_pat, " (", 2);
dynstr_append_checked(&insert_pat, " (");
else
{
dynstr_append_mem(&insert_pat, " VALUES ", 8);
dynstr_append_checked(&insert_pat, " VALUES ");
if (!extended_insert)
dynstr_append_mem(&insert_pat, "(", 1);
dynstr_append_checked(&insert_pat, "(");
}
}
......@@ -1828,11 +1877,11 @@ static uint get_table_structure(char *table, char *db, char *table_type,
check_io(sql_file);
}
if (complete_insert)
dynstr_append_mem(&insert_pat, ", ", 2);
dynstr_append_checked(&insert_pat, ", ");
}
init=1;
if (opt_complete_insert)
dynstr_append(&insert_pat,
dynstr_append_checked(&insert_pat,
quote_name(row[SHOW_FIELDNAME], name_buff, 0));
if (!opt_no_create_info)
{
......@@ -1882,7 +1931,6 @@ static uint get_table_structure(char *table, char *db, char *table_type,
my_progname, result_table, mysql_error(mysql));
if (path)
my_fclose(sql_file, MYF(MY_WME));
safe_exit(EX_MYSQLERR);
DBUG_RETURN(0);
}
......@@ -1992,9 +2040,9 @@ continue_xml:
}
if (opt_complete_insert)
{
dynstr_append_mem(&insert_pat, ") VALUES ", 9);
dynstr_append_checked(&insert_pat, ") VALUES ");
if (!extended_insert)
dynstr_append_mem(&insert_pat, "(", 1);
dynstr_append_checked(&insert_pat, "(");
}
if (sql_file != md_result_file)
{
......@@ -2041,7 +2089,6 @@ static void dump_triggers_for_table(char *table,
{
if (path)
my_fclose(sql_file, MYF(MY_WME));
safe_exit(EX_MYSQLERR);
DBUG_VOID_RETURN;
}
if (mysql_num_rows(result))
......@@ -2100,24 +2147,28 @@ DELIMITER ;;\n");
DBUG_VOID_RETURN;
}
static char *add_load_option(char *ptr,const char *object,
const char *statement)
static void add_load_option(DYNAMIC_STRING *str, const char *option,
const char *option_value)
{
if (object)
if (!option_value)
{
/* Don't escape hex constants */
if (object[0] == '0' && (object[1] == 'x' || object[1] == 'X'))
ptr= strxmov(ptr," ",statement," ",object,NullS);
else
{
/* char constant; escape */
ptr= strxmov(ptr," ",statement," '",NullS);
ptr= field_escape(ptr,object,(uint) strlen(object));
*ptr++= '\'';
}
/* Null value means we don't add this option. */
return;
}
dynstr_append_checked(str, option);
if (strncmp(option_value, "0x", sizeof("0x")-1) == 0)
{
/* It's a hex constant, don't escape */
dynstr_append_checked(str, option_value);
}
return ptr;
} /* add_load_option */
else
{
/* char constant; escape */
field_escape(str, option_value);
}
}
/*
......@@ -2127,28 +2178,36 @@ static char *add_load_option(char *ptr,const char *object,
syntax errors from the SQL parser.
*/
static char *field_escape(char *to,const char *from,uint length)
static void field_escape(DYNAMIC_STRING* in, const char *from)
{
const char *end;
uint end_backslashes=0;
uint end_backslashes= 0;
for (end= from+length; from != end; from++)
dynstr_append_checked(in, "'");
while (*from)
{
*to++= *from;
dynstr_append_mem_checked(in, from, 1);
if (*from == '\\')
end_backslashes^=1; /* find odd number of backslashes */
else
{
if (*from == '\'' && !end_backslashes)
*to++= *from; /* We want a duplicate of "'" for MySQL */
{
/* We want a duplicate of "'" for MySQL */
dynstr_append_checked(in, "\'");
}
end_backslashes=0;
}
from++;
}
/* Add missing backslashes if user has specified odd number of backs.*/
if (end_backslashes)
*to++= '\\';
return to;
} /* field_escape */
dynstr_append_checked(in, "\\");
dynstr_append_checked(in, "'");
}
static char *alloc_query_str(ulong size)
......@@ -2156,10 +2215,8 @@ static char *alloc_query_str(ulong size)
char *query;
if (!(query= (char*) my_malloc(size, MYF(MY_WME))))
{
ignore_errors= 0; /* Fatal error */
safe_exit(EX_MYSQLERR); /* Force exit */
}
die(EX_MYSQLERR, "Couldn't allocate a query string.");
return query;
}
......@@ -2179,13 +2236,14 @@ static char *alloc_query_str(ulong size)
void
*/
static void dump_table(char *table, char *db)
{
char ignore_flag;
char query_buf[QUERY_LENGTH], *end, buff[256],table_buff[NAME_LEN+3];
char buf[200], table_buff[NAME_LEN+3];
DYNAMIC_STRING query_string;
char table_type[NAME_LEN];
char *result_table, table_buff2[NAME_LEN*2+3], *opt_quoted_table;
char *query= query_buf;
int error= 0;
ulong rownr, row_break, total_length, init_length;
uint num_fields;
......@@ -2239,44 +2297,69 @@ static void dump_table(char *table, char *db)
opt_quoted_table= quote_name(table, table_buff2, 0);
verbose_msg("-- Sending SELECT query...\n");
init_dynamic_string_checked(&query_string, "", 1024, 1024);
if (path)
{
char filename[FN_REFLEN], tmp_path[FN_REFLEN];
convert_dirname(tmp_path,path,NullS);
if (strlen(path) >= FN_REFLEN)
{
/*
This check is made because the some the file functions below
have FN_REFLEN sized stack allocated buffers and will cause
a crash even if the input destination buffer is large enough
to hold the output.
*/
die(EX_USAGE, "Input filename or options too long: %s", path);
}
/*
Convert the path to native os format
and resolve to the full filepath.
*/
convert_dirname(tmp_path,path,NullS);
my_load_path(tmp_path, tmp_path, NULL);
fn_format(filename, table, tmp_path, ".txt", 4);
my_delete(filename, MYF(0)); /* 'INTO OUTFILE' doesn't work, if
filename wasn't deleted */
fn_format(filename, table, tmp_path, ".txt", MYF(MY_UNPACK_FILENAME));
/* Must delete the file that 'INTO OUTFILE' will write to */
my_delete(filename, MYF(0));
/* convert to a unix path name to stick into the query */
to_unix_path(filename);
my_snprintf(query, QUERY_LENGTH,
"SELECT /*!40001 SQL_NO_CACHE */ * INTO OUTFILE '%s'",
filename);
end= strend(query);
/* now build the query string */
dynstr_append_checked(&query_string, "SELECT /*!40001 SQL_NO_CACHE */ * INTO OUTFILE '");
dynstr_append_checked(&query_string, filename);
dynstr_append_checked(&query_string, "'");
if (fields_terminated || enclosed || opt_enclosed || escaped)
end= strmov(end, " FIELDS");
end= add_load_option(end, fields_terminated, " TERMINATED BY");
end= add_load_option(end, enclosed, " ENCLOSED BY");
end= add_load_option(end, opt_enclosed, " OPTIONALLY ENCLOSED BY");
end= add_load_option(end, escaped, " ESCAPED BY");
end= add_load_option(end, lines_terminated, " LINES TERMINATED BY");
*end= '\0';
my_snprintf(buff, sizeof(buff), " FROM %s", result_table);
end= strmov(end,buff);
if (where || order_by)
{
query= alloc_query_str((ulong) ((end - query) + 1 +
(where ? strlen(where) + 7 : 0) +
(order_by ? strlen(order_by) + 10 : 0)));
end= strmov(query, query_buf);
if (where)
end= strxmov(end, " WHERE ", where, NullS);
if (order_by)
end= strxmov(end, " ORDER BY ", order_by, NullS);
}
if (mysql_real_query(mysql, query, (uint) (end - query)))
dynstr_append_checked(&query_string, " FIELDS");
add_load_option(&query_string, " TERMINATED BY ", fields_terminated);
add_load_option(&query_string, " ENCLOSED BY ", enclosed);
add_load_option(&query_string, " OPTIONALLY ENCLOSED BY ", opt_enclosed);
add_load_option(&query_string, " ESCAPED BY ", escaped);
add_load_option(&query_string, " LINES TERMINATED BY ", lines_terminated);
dynstr_append_checked(&query_string, " FROM ");
dynstr_append_checked(&query_string, result_table);
if (where)
{
dynstr_append_checked(&query_string, " WHERE ");
dynstr_append_checked(&query_string, where);
}
if (order_by)
{
dynstr_append_checked(&query_string, " ORDER BY ");
dynstr_append_checked(&query_string, order_by);
}
if (mysql_real_query(mysql, query_string.str, query_string.length))
{
DB_error(mysql, "when executing 'SELECT INTO OUTFILE'");
DBUG_VOID_RETURN;
......@@ -2290,41 +2373,38 @@ static void dump_table(char *table, char *db)
result_table);
check_io(md_result_file);
}
my_snprintf(query, QUERY_LENGTH,
"SELECT /*!40001 SQL_NO_CACHE */ * FROM %s",
result_table);
if (where || order_by)
{
query= alloc_query_str((ulong) (strlen(query) + 1 +
(where ? strlen(where) + 7 : 0) +
(order_by ? strlen(order_by) + 10 : 0)));
end= strmov(query, query_buf);
dynstr_append_checked(&query_string, "SELECT /*!40001 SQL_NO_CACHE */ * FROM ");
dynstr_append_checked(&query_string, result_table);
if (where)
if (where)
{
if (!opt_xml && opt_comments)
{
if (!opt_xml && opt_comments)
{
fprintf(md_result_file, "-- WHERE: %s\n", where);
check_io(md_result_file);
}
end= strxmov(end, " WHERE ", where, NullS);
fprintf(md_result_file, "-- WHERE: %s\n", where);
check_io(md_result_file);
}
if (order_by)
dynstr_append_checked(&query_string, " WHERE ");
dynstr_append_checked(&query_string, where);
}
if (order_by)
{
if (!opt_xml && opt_comments)
{
if (!opt_xml && opt_comments)
{
fprintf(md_result_file, "-- ORDER BY: %s\n", order_by);
check_io(md_result_file);
}
end= strxmov(end, " ORDER BY ", order_by, NullS);
fprintf(md_result_file, "-- ORDER BY: %s\n", order_by);
check_io(md_result_file);
}
dynstr_append_checked(&query_string, " ORDER BY ");
dynstr_append_checked(&query_string, order_by);
}
if (!opt_xml && !opt_compact)
{
fputs("\n", md_result_file);
check_io(md_result_file);
}
if (mysql_query_with_error_report(mysql, 0, query))
if (mysql_query_with_error_report(mysql, 0, query_string.str))
{
DB_error(mysql, "when retrieving data from server");
goto err;
......@@ -2398,14 +2478,9 @@ static void dump_table(char *table, char *db)
ulong length= lengths[i];
if (!(field= mysql_fetch_field(res)))
{
my_snprintf(query, QUERY_LENGTH,
"%s: Not enough fields from table %s! Aborting.\n",
my_progname, result_table);
fputs(query,stderr);
error= EX_CONSCHECK;
goto err;
}
die(EX_CONSCHECK,
"Not enough fields from table %s! Aborting.\n",
result_table);
/*
63 is my_charset_bin. If charsetnr is not 63,
......@@ -2424,9 +2499,9 @@ static void dump_table(char *table, char *db)
if (extended_insert && !opt_xml)
{
if (i == 0)
dynstr_set(&extended_row,"(");
dynstr_set_checked(&extended_row,"(");
else
dynstr_append(&extended_row,",");
dynstr_append_checked(&extended_row,",");
if (row[i])
{
......@@ -2441,15 +2516,10 @@ static void dump_table(char *table, char *db)
- In non-HEX mode we need up to 2 bytes per character,
plus 2 bytes for leading and trailing '\'' characters.
*/
if (dynstr_realloc(&extended_row,length * 2+2))
{
fputs("Aborting dump (out of memory)",stderr);
error= EX_EOM;
goto err;
}
dynstr_realloc_checked(&extended_row,length * 2+2);
if (opt_hex_blob && is_blob)
{
dynstr_append(&extended_row, "0x");
dynstr_append_checked(&extended_row, "0x");
extended_row.length+= mysql_hex_string(extended_row.str +
extended_row.length,
row[i], length);
......@@ -2457,13 +2527,13 @@ static void dump_table(char *table, char *db)
}
else
{
dynstr_append(&extended_row,"'");
dynstr_append_checked(&extended_row,"'");
extended_row.length +=
mysql_real_escape_string(&mysql_connection,
&extended_row.str[extended_row.length],
row[i],length);
extended_row.str[extended_row.length]='\0';
dynstr_append(&extended_row,"'");
dynstr_append_checked(&extended_row,"'");
}
}
else
......@@ -2472,30 +2542,26 @@ static void dump_table(char *table, char *db)
char *ptr= row[i];
if (my_isalpha(charset_info, *ptr) || (*ptr == '-' &&
my_isalpha(charset_info, ptr[1])))
dynstr_append(&extended_row, "NULL");
dynstr_append_checked(&extended_row, "NULL");
else
{
if (field->type == FIELD_TYPE_DECIMAL)
{
/* add " signs around */
dynstr_append(&extended_row, "'");
dynstr_append(&extended_row, ptr);
dynstr_append(&extended_row, "'");
dynstr_append_checked(&extended_row, "'");
dynstr_append_checked(&extended_row, ptr);
dynstr_append_checked(&extended_row, "'");
}
else
dynstr_append(&extended_row, ptr);
dynstr_append_checked(&extended_row, ptr);
}
}
}
else
dynstr_append(&extended_row,"''");
}
else if (dynstr_append(&extended_row,"NULL"))
{
fputs("Aborting dump (out of memory)",stderr);
error= EX_EOM;
goto err;
dynstr_append_checked(&extended_row,"''");
}
else
dynstr_append_checked(&extended_row,"NULL");
}
else
{
......@@ -2512,16 +2578,16 @@ static void dump_table(char *table, char *db)
{
if (opt_hex_blob && is_blob && length)
{
/* Define xsi:type="xs:hexBinary" for hex encoded data */
print_xml_tag(md_result_file, "\t\t", "", "field", "name=",
field->name, "xsi:type=", "xs:hexBinary", NullS);
print_blob_as_hex(md_result_file, row[i], length);
/* Define xsi:type="xs:hexBinary" for hex encoded data */
print_xml_tag(md_result_file, "\t\t", "", "field", "name=",
field->name, "xsi:type=", "xs:hexBinary", NullS);
print_blob_as_hex(md_result_file, row[i], length);
}
else
{
print_xml_tag(md_result_file, "\t\t", "", "field", "name=",
field->name, NullS);
print_quoted_xml(md_result_file, row[i], length);
print_xml_tag(md_result_file, "\t\t", "", "field", "name=",
field->name, NullS);
print_quoted_xml(md_result_file, row[i], length);
}
fputs("</field>\n", md_result_file);
}
......@@ -2581,7 +2647,7 @@ static void dump_table(char *table, char *db)
if (extended_insert)
{
ulong row_length;
dynstr_append(&extended_row,")");
dynstr_append_checked(&extended_row,")");
row_length= 2 + extended_row.length;
if (total_length + row_length < opt_net_buffer_length)
{
......@@ -2617,14 +2683,14 @@ static void dump_table(char *table, char *db)
check_io(md_result_file);
if (mysql_errno(mysql))
{
my_snprintf(query, QUERY_LENGTH,
my_snprintf(buf, sizeof(buf),
"%s: Error %d: %s when dumping table %s at row: %ld\n",
my_progname,
mysql_errno(mysql),
mysql_error(mysql),
result_table,
rownr);
fputs(query,stderr);
fputs(buf,stderr);
error= EX_CONSCHECK;
goto err;
}
......@@ -2647,15 +2713,13 @@ static void dump_table(char *table, char *db)
check_io(md_result_file);
}
mysql_free_result(res);
if (query != query_buf)
my_free(query, MYF(MY_ALLOW_ZERO_PTR));
dynstr_free(&query_string);
}
DBUG_VOID_RETURN;
err:
if (query != query_buf)
my_free(query, MYF(MY_ALLOW_ZERO_PTR));
safe_exit(error);
dynstr_free(&query_string);
maybe_exit(error);
DBUG_VOID_RETURN;
} /* dump_table */
......@@ -2842,8 +2906,8 @@ static int init_dumping(char *database, int init_func(char*))
check_io(md_result_file);
}
}
if (extended_insert && init_dynamic_string(&extended_row, "", 1024, 1024))
exit(EX_EOM);
if (extended_insert)
init_dynamic_string_checked(&extended_row, "", 1024, 1024);
return 0;
} /* init_dumping */
......@@ -2876,11 +2940,11 @@ static int dump_all_tables_in_db(char *database)
if (lock_tables)
{
DYNAMIC_STRING query;
init_dynamic_string(&query, "LOCK TABLES ", 256, 1024);
init_dynamic_string_checked(&query, "LOCK TABLES ", 256, 1024);
for (numrows= 0 ; (table= getTableName(1)) ; numrows++)
{
dynstr_append(&query, quote_name(table, table_buff, 1));
dynstr_append(&query, " READ /*!32311 LOCAL */,");
dynstr_append_checked(&query, quote_name(table, table_buff, 1));
dynstr_append_checked(&query, " READ /*!32311 LOCAL */,");
}
if (numrows && mysql_real_query(mysql, query.str, query.length-1))
DB_error(mysql, "when using LOCK TABLES");
......@@ -2953,11 +3017,11 @@ static my_bool dump_all_views_in_db(char *database)
if (lock_tables)
{
DYNAMIC_STRING query;
init_dynamic_string(&query, "LOCK TABLES ", 256, 1024);
init_dynamic_string_checked(&query, "LOCK TABLES ", 256, 1024);
for (numrows= 0 ; (table= getTableName(1)); numrows++)
{
dynstr_append(&query, quote_name(table, table_buff, 1));
dynstr_append(&query, " READ /*!32311 LOCAL */,");
dynstr_append_checked(&query, quote_name(table, table_buff, 1));
dynstr_append_checked(&query, " READ /*!32311 LOCAL */,");
}
if (numrows && mysql_real_query(mysql, query.str, query.length-1))
DB_error(mysql, "when using LOCK TABLES");
......@@ -3009,9 +3073,7 @@ static char *get_actual_table_name(const char *old_table_name, MEM_ROOT *root)
quote_for_like(old_table_name, show_name_buff));
if (mysql_query_with_error_report(mysql, 0, query))
{
safe_exit(EX_MYSQLERR);
}
return NullS;
if ((table_res= mysql_store_result(mysql)))
{
......@@ -3047,9 +3109,9 @@ static int dump_selected_tables(char *db, char **table_names, int tables)
init_alloc_root(&root, 8192, 0);
if (!(dump_tables= pos= (char**) alloc_root(&root, tables * sizeof(char *))))
exit(EX_EOM);
die(EX_EOM, "alloc_root failure.");
init_dynamic_string(&lock_tables_query, "LOCK TABLES ", 256, 1024);
init_dynamic_string_checked(&lock_tables_query, "LOCK TABLES ", 256, 1024);
for (; tables > 0 ; tables-- , table_names++)
{
/* the table name passed on commandline may be wrong case */
......@@ -3058,16 +3120,14 @@ static int dump_selected_tables(char *db, char **table_names, int tables)
/* Add found table name to lock_tables_query */
if (lock_tables)
{
dynstr_append(&lock_tables_query, quote_name(*pos, table_buff, 1));
dynstr_append(&lock_tables_query, " READ /*!32311 LOCAL */,");
dynstr_append_checked(&lock_tables_query, quote_name(*pos, table_buff, 1));
dynstr_append_checked(&lock_tables_query, " READ /*!32311 LOCAL */,");
}
pos++;
}
else
{
my_printf_error(0,"Couldn't find table: \"%s\"\n", MYF(0),
*table_names);
safe_exit(EX_ILLEGAL_TABLE);
maybe_die(EX_ILLEGAL_TABLE, "Couldn't find table: \"%s\"", *table_names);
/* We shall countinue here, if --force was given */
}
}
......@@ -3482,12 +3542,12 @@ static int replace(DYNAMIC_STRING *ds_str,
const char *start= strstr(ds_str->str, search_str);
if (!start)
return 1;
init_dynamic_string(&ds_tmp, "",
init_dynamic_string_checked(&ds_tmp, "",
ds_str->length + replace_len, 256);
dynstr_append_mem(&ds_tmp, ds_str->str, start - ds_str->str);
dynstr_append_mem(&ds_tmp, replace_str, replace_len);
dynstr_append(&ds_tmp, start + search_len);
dynstr_set(ds_str, ds_tmp.str);
dynstr_append_mem_checked(&ds_tmp, ds_str->str, start - ds_str->str);
dynstr_append_mem_checked(&ds_tmp, replace_str, replace_len);
dynstr_append_checked(&ds_tmp, start + search_len);
dynstr_set_checked(ds_str, ds_tmp.str);
dynstr_free(&ds_tmp);
return 0;
}
......@@ -3533,10 +3593,7 @@ static my_bool get_view_structure(char *table, char* db)
my_snprintf(query, sizeof(query), "SHOW CREATE TABLE %s", result_table);
if (mysql_query_with_error_report(mysql, &table_res, query))
{
safe_exit(EX_MYSQLERR);
DBUG_RETURN(0);
}
/* Check if this is a view */
field= mysql_fetch_field_direct(table_res, 0);
......@@ -3550,10 +3607,8 @@ static my_bool get_view_structure(char *table, char* db)
if (path)
{
if (!(sql_file= open_sql_file_for_table(table)))
{
safe_exit(EX_MYSQLERR);
DBUG_RETURN(1);
}
write_header(sql_file, db);
}
......@@ -3599,14 +3654,14 @@ static my_bool get_view_structure(char *table, char* db)
/* Save the result of SHOW CREATE TABLE in ds_view */
row= mysql_fetch_row(table_res);
lengths= mysql_fetch_lengths(table_res);
init_dynamic_string(&ds_view, row[1], lengths[1] + 1, 1024);
init_dynamic_string_checked(&ds_view, row[1], lengths[1] + 1, 1024);
mysql_free_result(table_res);
/* Get the result from "select ... information_schema" */
if (!(table_res= mysql_store_result(mysql)) ||
!(row= mysql_fetch_row(table_res)))
{
safe_exit(EX_MYSQLERR);
DB_error(mysql, "when trying to save the result of SHOW CREATE TABLE in ds_view.");
DBUG_RETURN(1);
}
......@@ -3678,6 +3733,45 @@ static my_bool get_view_structure(char *table, char* db)
DBUG_RETURN(0);
}
/*
The following functions are wrappers for the dynamic string functions
and if they fail, the wrappers will terminate the current process.
*/
#define DYNAMIC_STR_ERROR_MSG "Couldn't perform DYNAMIC_STRING operation"
static void init_dynamic_string_checked(DYNAMIC_STRING *str, const char *init_str,
uint init_alloc, uint alloc_increment)
{
if (init_dynamic_string(str, init_str, init_alloc, alloc_increment))
die(EX_MYSQLERR, DYNAMIC_STR_ERROR_MSG);
}
static void dynstr_append_checked(DYNAMIC_STRING* dest, const char* src)
{
if (dynstr_append(dest, src))
die(EX_MYSQLERR, DYNAMIC_STR_ERROR_MSG);
}
static void dynstr_set_checked(DYNAMIC_STRING *str, const char *init_str)
{
if (dynstr_set(str, init_str))
die(EX_MYSQLERR, DYNAMIC_STR_ERROR_MSG);
}
static void dynstr_append_mem_checked(DYNAMIC_STRING *str, const char *append,
uint length)
{
if (dynstr_append_mem(str, append, length))
die(EX_MYSQLERR, DYNAMIC_STR_ERROR_MSG);
}
static void dynstr_realloc_checked(DYNAMIC_STRING *str, ulong additional_size)
{
if (dynstr_realloc(str, additional_size))
die(EX_MYSQLERR, DYNAMIC_STR_ERROR_MSG);
}
int main(int argc, char **argv)
{
......
mysql-test/r/mysqldump.result
View file @ 0fc5ad1e
......@@ -1567,29 +1567,17 @@ create table t3(a varchar(30) primary key, b int not null);
test_sequence
------ Testing with illegal table names ------
mysqldump: Couldn't find table: "\d-2-1.sql"
mysqldump: Couldn't find table: "\t1"
mysqldump: Couldn't find table: "\t1"
mysqldump: Couldn't find table: "\\t1"
mysqldump: Couldn't find table: "t\1"
mysqldump: Couldn't find table: "t\1"
mysqldump: Couldn't find table: "t/1"
mysqldump: Couldn't find table: "T_1"
mysqldump: Couldn't find table: "T%1"
mysqldump: Couldn't find table: "T'1"
mysqldump: Couldn't find table: "T_1"
mysqldump: Couldn't find table: "T_"
test_sequence
------ Testing with illegal database names ------
mysqldump: Got error: 1049: Unknown database 'mysqldump_test_d' when selecting the database
......@@ -3218,5 +3206,12 @@ INSERT INTO t1 VALUES(1,0xff00fef0);
</mysqldump>
DROP TABLE t1;
#
# Bug#26346: stack + buffer overrun in mysqldump
#
CREATE TABLE t1(a int);
INSERT INTO t1 VALUES (1), (2);
mysqldump: Input filename or options too long: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
DROP TABLE t1;
#
# End of 5.0 tests
#
mysql-test/t/mysqldump.test
View file @ 0fc5ad1e
......@@ -1429,6 +1429,30 @@ INSERT INTO t1 VALUES(1,0xff00fef0);
DROP TABLE t1;
--echo #
--echo # Bug#26346: stack + buffer overrun in mysqldump
--echo #
CREATE TABLE t1(a int);
INSERT INTO t1 VALUES (1), (2);
# too long a file path causes an error
--error 1
--exec $MYSQL_DUMP --tab=aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa test 2>&1
--exec $MYSQL_DUMP --tab=$MYSQLTEST_VARDIR/tmp/ --fields-terminated-by=aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa test
--exec $MYSQL_DUMP --tab=$MYSQLTEST_VARDIR/tmp/ --fields-enclosed-by=aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa test
--exec $MYSQL_DUMP --tab=$MYSQLTEST_VARDIR/tmp/ --fields-optionally-enclosed-by=aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa test
--exec $MYSQL_DUMP --tab=$MYSQLTEST_VARDIR/tmp/ --fields-escaped-by=aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa test
--exec $MYSQL_DUMP --tab=$MYSQLTEST_VARDIR/tmp/ --lines-terminated-by=aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa test
--remove_file $MYSQLTEST_VARDIR/tmp/t1.sql
--remove_file $MYSQLTEST_VARDIR/tmp/t1.txt
DROP TABLE t1;
--echo #
--echo # End of 5.0 tests
--echo #
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