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/*
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* This file is part of execveat strace test .
*
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* Copyright ( c ) 2015 - 2016 Dmitry V . Levin < ldv @ altlinux . org >
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* All rights reserved .
*
* Redistribution and use in source and binary forms , with or without
* modification , are permitted provided that the following conditions
* are met :
* 1. Redistributions of source code must retain the above copyright
* notice , this list of conditions and the following disclaimer .
* 2. Redistributions in binary form must reproduce the above copyright
* notice , this list of conditions and the following disclaimer in the
* documentation and / or other materials provided with the distribution .
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission .
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ` ` AS IS ' ' AND ANY EXPRESS OR
* IMPLIED WARRANTIES , INCLUDING , BUT NOT LIMITED TO , THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED .
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT , INDIRECT ,
* INCIDENTAL , SPECIAL , EXEMPLARY , OR CONSEQUENTIAL DAMAGES ( INCLUDING , BUT
* NOT LIMITED TO , PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES ; LOSS OF USE ,
* DATA , OR PROFITS ; OR BUSINESS INTERRUPTION ) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY , WHETHER IN CONTRACT , STRICT LIABILITY , OR TORT
* ( INCLUDING NEGLIGENCE OR OTHERWISE ) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE , EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE .
*/
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# include "tests.h"
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# include <stdio.h>
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# include <unistd.h>
# include <sys/syscall.h>
# ifdef __NR_execveat
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# define FILENAME "test.execveat\nfilename"
# define Q_FILENAME "test.execveat\\nfilename"
static const char * const argv [ ] = {
FILENAME , " first " , " second " , ( const char * ) - 1L ,
( const char * ) - 2L , ( const char * ) - 3L
} ;
static const char * const q_argv [ ] = {
Q_FILENAME , " first " , " second "
} ;
static const char * const envp [ ] = {
" foobar=1 " , " foo \n bar=2 " , ( const char * ) - 1L ,
( const char * ) - 2L , ( const char * ) - 3L
} ;
static const char * const q_envp [ ] = {
" foobar=1 " , " foo \\ nbar=2 "
} ;
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int
main ( void )
{
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const char * * const tail_argv = tail_memdup ( argv , sizeof ( argv ) ) ;
const char * * const tail_envp = tail_memdup ( envp , sizeof ( envp ) ) ;
syscall ( __NR_execveat , - 100 , FILENAME , tail_argv , tail_envp , 0x1100 ) ;
printf ( " execveat(AT_FDCWD, \" %s \" "
" , [ \" %s \" , \" %s \" , \" %s \" , %p, %p, %p, ???] "
# ifdef VERBOSE_EXECVEAT
" , [ \" %s \" , \" %s \" , %p, %p, %p, ???] "
# else
" , [/* 5 vars, unterminated */] "
# endif
" , AT_SYMLINK_NOFOLLOW|AT_EMPTY_PATH) = -1 %s (%m) \n " ,
Q_FILENAME , q_argv [ 0 ] , q_argv [ 1 ] , q_argv [ 2 ] ,
argv [ 3 ] , argv [ 4 ] , argv [ 5 ] ,
# ifdef VERBOSE_EXECVEAT
q_envp [ 0 ] , q_envp [ 1 ] , envp [ 2 ] , envp [ 3 ] , envp [ 4 ] ,
# endif
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errno2name ( ) ) ;
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tail_argv [ ARRAY_SIZE ( q_argv ) ] = NULL ;
tail_envp [ ARRAY_SIZE ( q_envp ) ] = NULL ;
syscall ( __NR_execveat , - 100 , FILENAME , tail_argv , tail_envp , 0x1100 ) ;
printf ( " execveat(AT_FDCWD, \" %s \" , [ \" %s \" , \" %s \" , \" %s \" ] "
# ifdef VERBOSE_EXECVEAT
" , [ \" %s \" , \" %s \" ] "
# else
" , [/* 2 vars */] "
# endif
" , AT_SYMLINK_NOFOLLOW|AT_EMPTY_PATH) = -1 %s (%m) \n " ,
Q_FILENAME , q_argv [ 0 ] , q_argv [ 1 ] , q_argv [ 2 ] ,
# ifdef VERBOSE_EXECVEAT
q_envp [ 0 ] , q_envp [ 1 ] ,
# endif
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errno2name ( ) ) ;
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syscall ( __NR_execveat , - 100 , FILENAME , tail_argv + 2 , tail_envp + 1 , 0x1100 ) ;
printf ( " execveat(AT_FDCWD, \" %s \" , [ \" %s \" ] "
# ifdef VERBOSE_EXECVEAT
" , [ \" %s \" ] "
# else
" , [/* 1 var */] "
# endif
" , AT_SYMLINK_NOFOLLOW|AT_EMPTY_PATH) = -1 %s (%m) \n " ,
Q_FILENAME , q_argv [ 2 ] ,
# ifdef VERBOSE_EXECVEAT
q_envp [ 1 ] ,
# endif
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errno2name ( ) ) ;
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char * * const empty = tail_alloc ( sizeof ( * empty ) ) ;
char * * const efault = empty + 1 ;
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* empty = NULL ;
syscall ( __NR_execveat , - 100 , FILENAME , empty , empty , 0x1100 ) ;
printf ( " execveat(AT_FDCWD, \" %s \" , [] "
# ifdef VERBOSE_EXECVEAT
" , [] "
# else
" , [/* 0 vars */] "
# endif
" , AT_SYMLINK_NOFOLLOW|AT_EMPTY_PATH) = -1 %s (%m) \n " ,
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Q_FILENAME , errno2name ( ) ) ;
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char str_a [ ] = " 012345678901234567890123456789012 " ;
char str_b [ ] = " _abcdefghijklmnopqrstuvwxyz()[]{} " ;
# define DEFAULT_STRLEN ((unsigned int) sizeof(str_a) - 2)
char * * const a = tail_alloc ( sizeof ( * a ) * ( DEFAULT_STRLEN + 2 ) ) ;
char * * const b = tail_alloc ( sizeof ( * b ) * ( DEFAULT_STRLEN + 2 ) ) ;
unsigned int i ;
for ( i = 0 ; i < = DEFAULT_STRLEN ; + + i ) {
a [ i ] = & str_a [ i ] ;
b [ i ] = & str_b [ i ] ;
}
a [ i ] = b [ i ] = NULL ;
syscall ( __NR_execveat , - 100 , FILENAME , a , b , 0x1100 ) ;
printf ( " execveat(AT_FDCWD, \" %s \" , [ \" %.*s \" ... " , Q_FILENAME , DEFAULT_STRLEN , a [ 0 ] ) ;
for ( i = 1 ; i < DEFAULT_STRLEN ; + + i )
printf ( " , \" %s \" " , a [ i ] ) ;
# ifdef VERBOSE_EXECVEAT
printf ( " , \" %s \" " , a [ i ] ) ;
# else
printf ( " , ... " ) ;
# endif
# ifdef VERBOSE_EXECVEAT
printf ( " ], [ \" %.*s \" ... " , DEFAULT_STRLEN , b [ 0 ] ) ;
for ( i = 1 ; i < = DEFAULT_STRLEN ; + + i )
printf ( " , \" %s \" " , b [ i ] ) ;
# else
printf ( " ], [/* %u vars */ " , DEFAULT_STRLEN + 1 ) ;
# endif
printf ( " ], AT_SYMLINK_NOFOLLOW|AT_EMPTY_PATH) = -1 %s (%m) \n " ,
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errno2name ( ) ) ;
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syscall ( __NR_execveat , - 100 , FILENAME , a + 1 , b + 1 , 0x1100 ) ;
printf ( " execveat(AT_FDCWD, \" %s \" , [ \" %s \" " , Q_FILENAME , a [ 1 ] ) ;
for ( i = 2 ; i < = DEFAULT_STRLEN ; + + i )
printf ( " , \" %s \" " , a [ i ] ) ;
# ifdef VERBOSE_EXECVEAT
printf ( " ], [ \" %s \" " , b [ 1 ] ) ;
for ( i = 2 ; i < = DEFAULT_STRLEN ; + + i )
printf ( " , \" %s \" " , b [ i ] ) ;
# else
printf ( " ], [/* %d vars */ " , DEFAULT_STRLEN ) ;
# endif
printf ( " ], AT_SYMLINK_NOFOLLOW|AT_EMPTY_PATH) = -1 %s (%m) \n " ,
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errno2name ( ) ) ;
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syscall ( __NR_execveat , - 100 , FILENAME , NULL , efault , 0x1100 ) ;
printf ( " execveat(AT_FDCWD, \" %s \" , NULL, %p "
" , AT_SYMLINK_NOFOLLOW|AT_EMPTY_PATH) = -1 %s (%m) \n " ,
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Q_FILENAME , efault , errno2name ( ) ) ;
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syscall ( __NR_execveat , - 100 , FILENAME , efault , NULL , 0x1100 ) ;
printf ( " execveat(AT_FDCWD, \" %s \" , %p, NULL "
" , AT_SYMLINK_NOFOLLOW|AT_EMPTY_PATH) = -1 %s (%m) \n " ,
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Q_FILENAME , efault , errno2name ( ) ) ;
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puts ( " +++ exited with 0 +++ " ) ;
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return 0 ;
}
# else
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SKIP_MAIN_UNDEFINED ( " __NR_execveat " )
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# endif