int main(int argc, char **argv)
{
if (argc > 1)
while (++argv, --argc) {
if (!strcmp("-c", argv[0]))
color_on = 1;
else if (!strcmp("-h", argv[0]))
printf("liblisp unit tests\n\tusage ./%s (-c)? (-h)?\n", argv[0]);
else
printf("unknown argument '%s'\n", argv[0]);
}
unit_test_start("liblisp");
{
print_note("util.c");
test(is_number("0xfAb"));
test(is_number("-01234567"));
test(is_number("+1000000000000000000000000000003"));
test(!is_number(""));
test(!is_number("+"));
test(!is_number("-"));
test(unbalanced("(((", '(', ')') > 0);
test(unbalanced("))", '(', ')') < 0);
test(unbalanced("", '(', ')') == 0);
test(unbalanced("\"(", '(', ')') == 0);
test(unbalanced("( \"))))(()()()(()\\\"())\")", '(', ')') == 0);
test(unbalanced("(a (b) c (d (e (f) \")\" g)))", '(', ')') == 0);
test(unbalanced("((a b) c", '(', ')') > 0);
test(!is_fnumber(""));
test(!is_fnumber("1e"));
test(!is_fnumber("-1e"));
test(!is_fnumber("1-e"));
test(is_fnumber("+0."));
test(is_fnumber("123")); /*this passes, see header */
test(is_fnumber("1e-3"));
test(is_fnumber("1.003e+34"));
test(is_fnumber("1e34"));
test(is_fnumber("93.04"));
test(match("", ""));
test(match("abc", "abc"));
test(!match("abC", "abc"));
test(match("aaa*", "aaaXX"));
test(!match("aaa*", "XXaaaXX"));
test(match(".bc", "abc"));
test(match("a.c", "aXc"));
test(!match("a\\.c", "aXc"));
test(match("a\\.c", "a.c"));
char *s = NULL;
state(s = vstrcatsep(",", "a", "b", "c", "", "foo", "bar", NULL));
test(!sstrcmp("a,b,c,,foo,bar", s));
free(s);
char *t = NULL, *s1 = "Hello,", *s2 = " World!";
state(t = calloc(16, 1));
state(strcpy(t, s1));
test(((size_t) (lstrcatend(t, s2) - t)) == (strlen(s1) + strlen(s2)));
free(t);
/*test tr, or translate, functionality */
size_t trinsz = 0;
uint8_t trout[128] = { 0 }, *trin = (uint8_t *) "aaabbbcdaacccdeeefxxxa";
tr_state_t *tr1;
state(tr1 = tr_new());
state(trinsz = strlen((char *)trin));
test(tr_init(tr1, "", (uint8_t *) "abc", (uint8_t *) "def") == TR_OK);
test(tr_block(tr1, trin, trout, trinsz) == trinsz);
test(!strcmp((char *)trout, "dddeeefdddfffdeeefxxxd"));
test(tr_init(tr1, "s", (uint8_t *) "abc", (uint8_t *) "def") == TR_OK);
state(memset(trout, 0, 128));
test(tr_block(tr1, trin, trout, trinsz) <= trinsz);
test(!strcmp((char *)trout, "defddfdeeefxxxd"));
state(tr_delete(tr1));
/*know collisions for the djb2 hash algorithm */
test(djb2("heliotropes", strlen("heliotropes")) ==
djb2("neurospora", strlen("neurospora")));
test(djb2("depravement", strlen("depravement")) ==
djb2("serafins", strlen("serafins")));
/*should not collide */
test(djb2("heliotropes", strlen("heliotropes")) !=
djb2("serafins", strlen("serafins")));
}
{ /*io.c test */
io_t *in, *out;
print_note("io.c");
/*string input */
static const char hello[] = "Hello\n";
/**@note io_sin currently duplicates "hello" internally*/
state(in = io_sin(hello, strlen(hello)));
test(io_is_in(in));
test(io_getc(in) == 'H');
test(io_getc(in) == 'e');
test(io_getc(in) == 'l');
test(io_getc(in) == 'l');
test(io_getc(in) == 'o');
test(io_getc(in) == '\n');
test(io_getc(in) == EOF);
test(io_getc(in) == EOF);
test(!io_error(in));
test(io_seek(in, 0, SEEK_SET) >= 0);
test(io_getc(in) == 'H');
test(io_seek(in, 3, SEEK_SET) >= 0);
test(io_getc(in) == 'l');
test(io_ungetc('x', in) == 'x');
test(io_getc(in) == 'x');
test(io_getc(in) == 'o');
state(io_close(in));
/*string output */
char *s = NULL;
static const char hello_world[] = "Hello,\n\tWorld!\n";
/**@note io_sin currently duplicates hello_world internally*/
state(in = io_sin(hello_world, strlen(hello_world)));
test(!strcmp(s = io_getline(in), "Hello,"));
s = (free(s), NULL);
test(!strcmp(s = io_getline(in), "\tWorld!"));
s = (free(s), NULL);
test(!io_getline(in));
test(io_seek(in, 0, SEEK_SET) >= 0);
test(!strcmp(s = io_getdelim(in, EOF), "Hello,\n\tWorld!\n"));
s = (free(s), NULL);
state(io_close(in));
state(out = io_sout(1));
test(io_puts("Hello, World", out) != EOF);
test(!strcmp("Hello, World", io_get_string(out)));
test(io_putc('\n', out) != EOF);
test(!strcmp("Hello, World\n", io_get_string(out)));
test(io_seek(out, -6, SEEK_CUR) >= 0);
test(io_puts("Mars\n", out) != EOF);
test(!strcmp("Hello, Mars\n\n", io_get_string(out)));
free(io_get_string(out));
state(io_close(out));
static const char block_in[16] = {1, 3, 4, 6};
static char block_out[16] = {0};
state((in = io_sin(block_in, 16)));
test(io_getc(in) == 1);
test(io_read(block_out, 15, in) == 15);
test(!memcmp(block_out, block_in+1, 15));
state(io_close(in));
}
{ /* hash.c hash table tests */
hash_table_t *h = NULL;
print_note("hash.c");
state(h = hash_create(1));
return_if(!h);
test(!hash_insert(h, "key1", "val1"));
test(!hash_insert(h, "key2", "val2"));
/* assuming the hash algorithm is djb2, then
* "heliotropes" collides with "neurospora"
* "depravement" collides with "serafins"
* "playwright" collides with "snush" (for djb2a)
* See:
* <https://programmers.stackexchange.com/questions/49550/which-hashing-algorithm-is-best-for-uniqueness-and-speed> */
test(!hash_insert(h, "heliotropes", "val3"));
test(!hash_insert(h, "neurospora", "val4"));
test(!hash_insert(h, "depravement", "val5"));
test(!hash_insert(h, "serafins", "val6"));
test(!hash_insert(h, "playwright", "val7"));
test(!hash_insert(h, "snush", "val8"));
test(!hash_insert(h, "", "val9"));
test(!hash_insert(h, "nil", ""));
test(!hash_insert(h, "a", "x"));
test(!hash_insert(h, "a", "y"));
test(!hash_insert(h, "a", "z"));
test(!sstrcmp("val1", hash_lookup(h, "key1")));
test(!sstrcmp("val2", hash_lookup(h, "key2")));
test(!sstrcmp("val3", hash_lookup(h, "heliotropes")));
test(!sstrcmp("val4", hash_lookup(h, "neurospora")));
test(!sstrcmp("val5", hash_lookup(h, "depravement")));
test(!sstrcmp("val6", hash_lookup(h, "serafins")));
test(!sstrcmp("val7", hash_lookup(h, "playwright")));
test(!sstrcmp("val8", hash_lookup(h, "snush")));
test(!sstrcmp("val9", hash_lookup(h, "")));
test(!sstrcmp("", hash_lookup(h, "nil")));
test(!sstrcmp("z", hash_lookup(h, "a")));
test(hash_get_load_factor(h) <= 0.75f);
state(hash_destroy(h));
}
{ /* lisp.c (and the lisp interpreter in general) */
lisp_t *l;
print_note("lisp.c");
/*while unit testing eschews state being held across tests it is makes
*little sense in this case*/
state(l = lisp_init());
state(io_close(lisp_get_logging(l)));
test(!lisp_set_logging(l, io_nout()));
return_if(!l);
test(!lisp_eval_string(l, ""));
test(is_int(lisp_eval_string(l, "2")));
test(get_int(lisp_eval_string(l, "(+ 2 2)")) == 4);
test(get_int(lisp_eval_string(l, "(* 3 2)")) == 6);
lisp_cell_t *x = NULL, *y = NULL, *z = NULL;
char *t = NULL;
state(x = lisp_intern(l, lstrdup_or_abort("foo")));
state(y = lisp_intern(l, t = lstrdup_or_abort("foo"))); /*this one needs freeing! */
state(z = lisp_intern(l, lstrdup_or_abort("bar")));
test(x == y && x != NULL);
test(x != z);
free(t); /*free the non-interned string */
test(is_proc(lisp_eval_string(l, "(define square (lambda (x) (* x x)))")));
test(get_int(lisp_eval_string(l, "(square 4)")) == 16);
test(!is_list(cons(l, gsym_tee(), gsym_tee())));
test(is_list(cons(l, gsym_tee(), gsym_nil())));
test(!is_list(cons(l, gsym_nil(), cons(l, gsym_tee(), gsym_tee()))));
test(is_list(mk_list(l, gsym_tee(), gsym_nil(), gsym_tee(), NULL)));
test(gsym_error() == lisp_eval_string(l, "(> 'a 1)"));
test(is_sym(x));
test(is_asciiz(x));
test(!is_str(x));
test(gsym_error() == lisp_eval_string(l, "(eval (cons quote 0))"));
char *serial = NULL;
test(!strcmp((serial = lisp_serialize(l, cons(l, gsym_tee(), gsym_error()))), "(t . error)"));
state(free(serial));
state(lisp_destroy(l));
}
return unit_test_end("liblisp"); /*should be zero! */
}
status_t handle_request( RequestPB *pb )
{
HTTPResponse response;
pb->closeConnection = false;
const char *sPtr; // General purpose string pointer
// Temporary buffers
int32 fieldSize = 1024;
char fieldValue[1024];
char headBuffer[1024];
int32 contentLength = 0;
// ****
// Get PATH_INFO and SCRIPT_NAME from path; Setup absPath of CGI
// ****
char PATH_INFO[1024];
char SCRIPT_NAME[256];
// Get SCRIPT_NAME
strxcpy( SCRIPT_NAME, pb->resourcePath->Path(), 255 );
strxcpy( PATH_INFO, pb->brURI->path+strlen( pb->resourcePath->Path()+1 ), 1023 );
// Make absolute CGI path from web-directory and requested path
BPath absPath( pb->webDirectory->Path(), pb->resourcePath->Path()+1 );
// ****
// Make sure CGI exists and Check Permission
// ****
if( pb->authenticate && !pb->realms->Authenticate( pb->request, &response, pb->brURI->path, absPath.Path(), S_IXOTH ) )
{
pb->Logprintf( "%ld Status-Line: %s\n", pb->sn, response.GetStatusLine() );
return B_OK;
}
// ****
// Setup meta-variables in new environment
// ****
char params[2048];
// Should we use the CGI script command line?
// This should be done on a GET or HEAD where the URL query string
// does not contain any unencoded '=' characters.
if( *pb->brURI->query &&
((pb->request->GetMethod() == METHOD_GET)||(pb->request->GetMethod() == METHOD_HEAD))&&
!strchr( pb->brURI->query, '=' ) )
{
uri_unescape_str( params, pb->brURI->query, 2048 );
}
else
uri_unescape_str( params, pb->brURI->params, 2048 );
// Environment to be used by the CGI
Environment env( pb->environ );
// AUTH_TYPE
if( pb->request->FindHeader( kHEAD_AUTHORIZATION, fieldValue, fieldSize ) )
{
sPtr = fieldValue;
sPtr = get_next_token( headBuffer, sPtr, fieldSize );
env.PutEnv( "AUTH_TYPE", headBuffer );
if( strcasecmp( headBuffer, "Basic" ) == 0 )
{
// REMOTE_USER
sPtr = get_next_token( headBuffer, sPtr, fieldSize );
decode_base64( headBuffer, headBuffer, fieldSize );
sPtr = get_next_token( fieldValue, headBuffer, fieldSize, ":" );
env.PutEnv( "REMOTE_USER", fieldValue );
}
}
// CONTENT_LENGTH
if( pb->request->FindHeader( kHEAD_LENGTH, fieldValue, fieldSize ) )
env.PutEnv( "CONTENT_LENGTH", fieldValue );
// CONTENT_TYPE
if( pb->request->FindHeader( kHEAD_TYPE, fieldValue, fieldSize ) )
env.PutEnv( "CONTENT_TYPE", fieldValue );
// GATEWAY_INTERFACE
env.PutEnv( "GATEWAY_INTERFACE", "CGI/1.1" );
// HTTP_*
for( int i=0; (sPtr = pb->request->HeaderAt( i )); i++ )
{
sPtr = get_next_token( fieldValue, sPtr, fieldSize, ":" );
sprintf( headBuffer, "HTTP_%s", http_to_cgi_header( fieldValue ) );
sPtr = get_next_token( fieldValue, sPtr, fieldSize, ":" );
env.PutEnv( headBuffer, fieldValue );
}
// PATH_INFO
env.PutEnv( "PATH_INFO", PATH_INFO );
// PATH_TRANSLATED
if( *PATH_INFO )
{
BPath pathTrans( pb->webDirectory->Path(), PATH_INFO+1 );
if( pathTrans.Path() )
env.PutEnv( "PATH_TRANSLATED", pathTrans.Path() );
}
// QUERY_STRING
env.PutEnv( "QUERY_STRING", pb->brURI->query );
// REMOTE_ADDR
env.PutEnv( "REMOTE_ADDR", pb->request->GetRemoteHost() );
// REMOTE_HOST
// Ya, right... like were going to waste valuable time with a DNS lookup!
env.PutEnv( "REMOTE_HOST", "" );
// REMOTE_IDENT
// Ha! Perform an Ident lookup... I don't think so.
// REQUEST_METHOD
env.PutEnv( "REQUEST_METHOD", http_find_method( pb->request->GetMethod() ) );
// SCRIPT_NAME
env.PutEnv( "SCRIPT_NAME", SCRIPT_NAME );
// SERVER_NAME
env.PutEnv( "SERVER_NAME", pb->brURI->host );
// SERVER_PORT
sprintf( fieldValue, "%u", pb->request->GetPort() );
env.PutEnv( "SERVER_PORT", fieldValue );
// SERVER_PROTOCOL
env.PutEnv( "SERVER_PROTOCOL", pb->request->GetVersion() );
// SERVER_SOFTWARE
env.PutEnv( "SERVER_SOFTWARE", "RobinHood" );
// PWD
BPath PWD( absPath );
PWD.GetParent( &PWD );
env.PutEnv( "PWD", PWD.Path() );
// ****
// Create pipes
// ****
pid_t pid;
int ipipe[2], opipe[2];
if( pipe(ipipe) < 0 )
{
response.SetHTMLMessage( 500, "Pipe creation failed!" );
pb->request->SendReply( &response );
return B_OK;
}
if( pipe(opipe) < 0 )
{
close( ipipe[0] );
close( ipipe[1] );
response.SetHTMLMessage( 500, "Pipe creation failed!" );
pb->request->SendReply( &response );
return B_OK;
}
// ****
// Setup args for execve()
// ****
// Setup command string; copy CGI path and append params
char command[4096];
sPtr = strxcpy( command, absPath.Path(), 4095 );
// Disabled because of security risk
/*
if( *params && !strpbrk( params, ";&" ) )
{
sPtr = strxcpy( (char *)sPtr, " ", command+4095-sPtr );
strxcpy( (char *)sPtr, params, command+4095-sPtr ); // Append params
}*/
char *args[4];
args[0] = "/bin/sh";
args[1] = "-c";
args[2] = command;
args[3] = NULL;
pb->Logprintf( "%ld Exec: %s\n", pb->sn, command );
// ****
// Start sub-process using fork() dup2() and exec()
// ****
pid = fork();
if( pid == (pid_t)0 ) // If we are the child process...
{
// Make this process the process group leader
setpgid( 0, 0 );
fflush(stdout); // sync stdout...
// Set pipes to stdin and stdout
if( dup2( opipe[0], STDIN_FILENO ) < 0 )
exit( 0 );
if( dup2( ipipe[1], STDOUT_FILENO ) < 0 )
exit( 0 );
// Close unused ends of pipes
close( opipe[1] );
close( ipipe[0] );
// Set Current Working Directory to that of script
chdir( PWD.Path() );
// Execute CGI in this process by means of /bin/sh
execve( args[0], args, env.GetEnvironment() );
exit( 0 ); // If for some reason execve() fails...
}
else if( pid < (pid_t)0 ) // Something Bad happened!
{
close( opipe[0] );
close( opipe[1] );
close( ipipe[0] );
close( ipipe[1] );
response.SetHTMLMessage( 500, "Fork failed!" );
pb->request->SendReply( &response );
return true;
}
// Close unused ends of pipes
close( opipe[0] );
close( ipipe[1] );
// ****
// Talk to CGI
// ****
bool persistant = true;
// Defined to make code easier to read
int inDes = ipipe[0]; // input file descripter
int outDes = opipe[1]; // output file descripter
// Make a BDataIO wrapper for the in and out pipes
DesIO pipeIO( inDes, outDes );
// If the request contains a content body, feed it into stdin of the CGI script
if( pb->request->GetContentLength() > 0 )
pb->request->SendBody( &pipeIO );
// Buffer the response body for better performance
response.SetBodyBuffering( true );
// Read first line to detect use of Non-Parsed Header Output
io_getline( &pipeIO, headBuffer, fieldSize );
// Strip the '\r' character if there is one
int32 size;
size = strlen( headBuffer )-1;
if( headBuffer[size] == '\r' )
headBuffer[size] = 0;
// Is NPH Output?
if( strncmp( "HTTP/", headBuffer, 5 ) == 0 )
{
DataIOPump ioPump;
BufferedIO bufio( pb->request->GetReplyIO() );
bufio.DoAllocate();
io_printf( &bufio, "%s\r\n", headBuffer );
ioPump.StartPump( &pipeIO, &bufio, contentLength );
bufio.Flush();
persistant = false;
}
else // using Parsed Header Output
{
// Add Date header
time_t now;
struct tm *brokentime;
now = time( NULL );
brTimeLock.Lock();
brokentime = gmtime( &now );
strftime (fieldValue, 256, kHTTP_DATE, brokentime);
brTimeLock.Unlock();
response.AddHeader( kHEAD_DATE, fieldValue );
// Add line used to detect NPH as CGI header
response.AddHeader( headBuffer );
// Receive the CGI headers
response.ReceiveHeaders( &pipeIO );
// If Location header, don't expect any more headers
if( (sPtr = response.FindHeader( "Location", fieldValue, fieldSize )) )
{
response.SetStatusLine( 302 ); // 302 Moved Temporarily
}
else
{
if( (sPtr = response.FindHeader( "Status", fieldValue, fieldSize )) )
{
response.RemoveHeader( (char *)sPtr ); // Don't forward to client
response.SetStatusLine( fieldValue );
}
else
response.SetStatusLine( 200 );
}
// Don't cache the response
if( !response.FindHeader( "Cache-Control", fieldValue, fieldSize ) )
response.AddHeader( "Cache-Control: no-cache" );
if( !response.FindHeader( "Pragma", fieldValue, fieldSize ) )
response.AddHeader( "Pragma: no-cache" );
// Content-Length header?
int32 contentLength = 0;
if( (sPtr = response.FindHeader( kHEAD_LENGTH, fieldValue, fieldSize )) )
{
contentLength = strtol( fieldValue, (char **)&headBuffer, 10 );
response.SetContentLength( contentLength );
}
else // No content-length provided; close connection on return
{
response.AddHeader( "Connection: close" );
persistant = false;
}
pb->Logprintf( "%ld Status-Line: %s\n", pb->sn, response.GetStatusLine() );
if( pb->request->GetMethod() != METHOD_HEAD )
response.SetMessageBody( &pipeIO );
pb->request->SendReply( &response );
}
// Close remaining ends of pipes
close( ipipe[0] );
close( opipe[1] );
pb->closeConnection = !persistant;
return B_OK;
}
