char *
Ns_ConfigGetPath(char *server, char *module, ...)
{
va_list ap;
char *s;
Ns_DString ds;
Ns_Set *set;
Ns_DStringInit(&ds);
Ns_DStringAppend(&ds, "ns");
if (server != NULL) {
Ns_DStringVarAppend(&ds, "/server/", server, NULL);
}
if (module != NULL) {
Ns_DStringVarAppend(&ds, "/module/", module, NULL);
}
va_start(ap, module);
while ((s = va_arg(ap, char *)) != NULL) {
Ns_DStringAppend(&ds, "/");
while (*s != '\0' && ISSLASH(*s)) {
++s;
}
Ns_DStringAppend(&ds, s);
while (ISSLASH(ds.string[ds.length - 1])) {
ds.string[--ds.length] = '\0';
}
}
va_end(ap);
set = Ns_ConfigGetSection(ds.string);
Ns_DStringFree(&ds);
return (set ? Ns_SetName(set) : NULL);
}
void
NsConfUpdate(void)
{
int stacksize;
Ns_DString ds;
Ns_DStringInit(&ds);
Ns_HomePath(&ds, "modules", "tcl", NULL);
nsconf.tcl.sharedlibrary = Ns_DStringExport(&ds);
nsconf.shutdowntimeout = NsParamInt("shutdowntimeout", SHUTDOWNTIMEOUT);
nsconf.sched.maxelapsed = NsParamInt("schedmaxelapsed", SCHED_MAXELAPSED);
nsconf.backlog = NsParamInt("listenbacklog", LISTEN_BACKLOG);
nsconf.http.major = (unsigned) NsParamInt("httpmajor", HTTP_MAJOR);
nsconf.http.minor = (unsigned) NsParamInt("httpmajor", HTTP_MINOR);
nsconf.tcl.lockoninit = NsParamBool("tclinitlock", TCL_INITLCK);
if (!Ns_ConfigGetInt(NS_CONFIG_THREADS, "stacksize", &stacksize)) {
stacksize = NsParamInt("stacksize", THREAD_STACKSIZE);
}
Ns_ThreadStackSize(stacksize);
NsLogConf();
NsEnableDNSCache();
NsUpdateEncodings();
NsUpdateMimeTypes();
}
int
Ns_ConnReadHeaders(Ns_Conn *conn, Ns_Set *set, int *nreadPtr)
{
Ns_DString ds;
Conn *connPtr = (Conn *) conn;
NsServer *servPtr = connPtr->servPtr;
int status, nread, nline, maxhdr;
Ns_DStringInit(&ds);
nread = 0;
maxhdr = connPtr->drvPtr->maxinput;
status = NS_OK;
while (nread < maxhdr && status == NS_OK) {
Ns_DStringTrunc(&ds, 0);
status = Ns_ConnReadLine(conn, &ds, &nline);
if (status == NS_OK) {
nread += nline;
if (nread > maxhdr) {
status = NS_ERROR;
} else {
if (ds.string[0] == '\0') {
break;
}
status = Ns_ParseHeader(set, ds.string, servPtr->opts.hdrcase);
}
}
}
if (nreadPtr != NULL) {
*nreadPtr = nread;
}
Ns_DStringFree(&ds);
return status;
}
char *
Ns_GetMimeType(char *file)
{
char *start, *ext;
Ns_DString ds;
Tcl_HashEntry *hePtr;
start = strrchr(file, '/');
if (start == NULL) {
start = file;
}
ext = strrchr(start, '.');
if (ext == NULL) {
return noextType;
}
Ns_DStringInit(&ds);
ext = LowerDString(&ds, ext);
hePtr = Tcl_FindHashEntry(&types, ext);
if (hePtr == NULL) {
return defaultType;
}
return Tcl_GetHashValue(hePtr);
}
int
Ns_ParseHeader(Ns_Set *set, char *line, Ns_HeaderCaseDisposition disp)
{
char *key, *sep;
char *value;
int index;
Ns_DString ds;
/*
* Header lines are first checked if they continue a previous
* header indicated by any preceeding white space. Otherwise,
* they must be in well form key: value form.
*/
if (isspace(UCHAR(*line))) {
index = Ns_SetLast(set);
if (index < 0) {
return NS_ERROR; /* Continue before first header. */
}
while (isspace(UCHAR(*line))) {
++line;
}
if (*line != '\0') {
value = Ns_SetValue(set, index);
Ns_DStringInit(&ds);
Ns_DStringVarAppend(&ds, value, " ", line, NULL);
Ns_SetPutValue(set, index, ds.string);
Ns_DStringFree(&ds);
}
} else {
sep = strchr(line, ':');
if (sep == NULL) {
return NS_ERROR; /* Malformed header. */
}
*sep = '\0';
value = sep + 1;
while (*value != '\0' && isspace(UCHAR(*value))) {
++value;
}
index = Ns_SetPut(set, line, value);
key = Ns_SetKey(set, index);
if (disp == ToLower) {
while (*key != '\0') {
if (isupper(UCHAR(*key))) {
*key = tolower(UCHAR(*key));
}
++key;
}
} else if (disp == ToUpper) {
while (*key != '\0') {
if (islower(UCHAR(*key))) {
*key = toupper(UCHAR(*key));
}
++key;
}
}
*sep = ':';
}
return NS_OK;
}
void
NsInitConf(void)
{
Ns_DString addr;
static char cwd[PATH_MAX];
extern char *nsBuildDate; /* NB: Declared in stamp.c */
Ns_ThreadSetName("-main-");
/*
* Set various core environment variables.
*/
nsconf.build = nsBuildDate;
nsconf.name = NSD_NAME;
nsconf.version = NSD_VERSION;
nsconf.tcl.version = TCL_VERSION;
nsconf.http.major = HTTP_MAJOR;
nsconf.http.minor = HTTP_MINOR;
time(&nsconf.boot_t);
nsconf.pid = getpid();
nsconf.home = getcwd(cwd, sizeof(cwd));
if (gethostname(nsconf.hostname, sizeof(nsconf.hostname)) != 0) {
strcpy(nsconf.hostname, "localhost");
}
Ns_DStringInit(&addr);
if (Ns_GetAddrByHost(&addr, nsconf.hostname)) {
strcpy(nsconf.address, addr.string);
} else {
strcpy(nsconf.address, "0.0.0.0");
}
Ns_DStringFree(&addr);
/*
* Set various default values.
*/
nsconf.shutdowntimeout = SHUTDOWNTIMEOUT;
nsconf.sched.maxelapsed = SCHED_MAXELAPSED;
nsconf.backlog = LISTEN_BACKLOG;
nsconf.http.major = HTTP_MAJOR;
nsconf.http.minor = HTTP_MINOR;
nsconf.tcl.lockoninit = TCL_INITLCK;
/*
* At library load time the server is considered started.
* Normally it's marked stopped immediately by Ns_Main unless
* libnsd is being used for some other, non-server program.
*/
Ns_MutexSetName(&nsconf.state.lock, "nsd:state");
nsconf.state.started = 1;
}
int
NsAdpProc(void *arg, Ns_Conn *conn)
{
Ns_Time *ttlPtr = arg;
Ns_DString file;
int status;
Ns_DStringInit(&file);
Ns_UrlToFile(&file, Ns_ConnServer(conn), conn->request->url);
status = Ns_AdpRequestEx(conn, file.string, ttlPtr);
Ns_DStringFree(&file);
return status;
}
void
Ns_SetRequestUrl(Ns_Request * request, char *url)
{
Ns_DString ds;
Ns_MutexLock(&reqlock);
FreeUrl(request);
Ns_DStringInit(&ds);
Ns_DStringAppend(&ds, url);
SetUrl(request, ds.string, NULL);
Ns_MutexUnlock(&reqlock);
Ns_DStringFree(&ds);
}
int
NsTclQuoteHtmlCmd(ClientData dummy, Tcl_Interp *interp, int argc, char **argv)
{
Ns_DString ds;
if (argc != 2) {
Tcl_AppendResult(interp, "wrong # args: should be \"",
argv[0], " html\"", NULL);
return TCL_ERROR;
}
Ns_DStringInit(&ds);
Ns_QuoteHtml(&ds, argv[1]);
Tcl_DStringResult(interp, &ds);
return TCL_OK;
}
static void
php_ns_request_ctor(void)
{
char *server;
Ns_DString ds;
char *root;
int index;
char *tmp;
server = Ns_ConnServer(NSG(conn));
#define safe_strdup(x) ((x)?strdup((x)):NULL)
SG(request_info).query_string = safe_strdup(NSG(conn->request->query));
Ns_DStringInit(&ds);
Ns_UrlToFile(&ds, server, NSG(conn->request->url));
/* path_translated is the absolute path to the file */
SG(request_info).path_translated = safe_strdup(Ns_DStringValue(&ds));
Ns_DStringFree(&ds);
root = Ns_PageRoot(server);
SG(request_info).request_uri = strdup(SG(request_info).path_translated + strlen(root));
SG(request_info).request_method = NSG(conn)->request->method;
if(NSG(conn)->request->version > 1.0) SG(request_info).proto_num = 1001;
else SG(request_info).proto_num = 1000;
SG(request_info).content_length = Ns_ConnContentLength(NSG(conn));
index = Ns_SetIFind(NSG(conn)->headers, "content-type");
SG(request_info).content_type = index == -1 ? NULL :
Ns_SetValue(NSG(conn)->headers, index);
SG(sapi_headers).http_response_code = 200;
tmp = Ns_ConnAuthUser(NSG(conn));
if (tmp)
tmp = estrdup(tmp);
SG(request_info).auth_user = tmp;
tmp = Ns_ConnAuthPasswd(NSG(conn));
if (tmp)
tmp = estrdup(tmp);
SG(request_info).auth_password = tmp;
NSG(data_avail) = SG(request_info).content_length;
}
static void
SetUrl(Ns_Request *request, char *url, Tcl_Encoding encoding)
{
Ns_Conn *conn;
Ns_DString ds1, ds2;
char *p;
Ns_DStringInit(&ds1);
Ns_DStringInit(&ds2);
/*
* Look for a query string at the end of the URL.
*/
p = strchr(url, '?');
if (p != NULL) {
*p++ = '\0';
if (request->query != NULL) {
ns_free(request->query);
}
request->query = ns_strdup(p);
}
/*
* Decode and normalize the URL. If the encoding isn't specified,
* use the encoding of the current connection, if any.
*/
if (encoding == NULL && (conn = Ns_GetConn()) != NULL) {
encoding = Ns_ConnGetUrlEncoding(conn);
}
p = Ns_DecodeUrlWithEncoding(&ds1, url, encoding);
if (p == NULL) {
p = url;
}
Ns_NormalizePath(&ds2, p);
Ns_DStringTrunc(&ds1, 0);
/*
* Append a trailing slash to the normalized URL if the original URL
* ended in slash that wasn't also the leading slash.
*/
while (*url == '/') {
++url;
}
if (*url != '\0' && url[strlen(url) - 1] == '/') {
Ns_DStringAppend(&ds2, "/");
}
request->url = ns_strdup(ds2.string);
Ns_DStringFree(&ds2);
/*
* Build the urlv and set urlc.
*/
p = ns_strdup(request->url + 1);
Ns_DStringNAppend(&ds1, (char *) &p, sizeof(char *));
while (*p != '\0') {
if (*p == '/') {
*p++ = '\0';
if (*p == '\0') {
/*
* Stop on a trailing slash.
*/
break;
}
Ns_DStringNAppend(&ds1, (char *) &p, sizeof(char *));
}
++p;
}
request->urlc = ds1.length / (sizeof(char *));
p = NULL;
Ns_DStringNAppend(&ds1, (char *) &p, sizeof(char *));
request->urlv = (char **) ns_malloc((size_t)ds1.length);
memcpy(request->urlv, ds1.string, (size_t)ds1.length);
Ns_DStringFree(&ds1);
}
Ns_Request *
Ns_ParseRequestEx(char *line, Tcl_Encoding encoding)
{
char *url;
char *p;
Ns_DString ds;
Ns_Request *request;
unsigned int major, minor;
int i;
request = ns_calloc(1, sizeof(Ns_Request));
Ns_DStringInit(&ds);
/*
* Make a copy of the line to chop up. Make sure it isn't blank.
*/
if (line == NULL) {
goto done;
}
Ns_DStringAppend(&ds, line);
line = Ns_StrTrim(ds.string);
if (*line == '\0') {
goto done;
}
/*
* Save the trimmed line for logging purposes.
*/
request->line = ns_strdup(line);
/*
* Look for the minimum of method and url.
*/
url = line;
while (*url != '\0' && !isspace(UCHAR(*url))) {
++url;
}
if (*url == '\0') {
goto done;
}
*url++ = '\0';
while (*url != '\0' && isspace(UCHAR(*url))) {
++url;
}
if (*url == '\0') {
goto done;
}
request->method = ns_strdup(line);
/*
* Look for a valid version.
*/
request->version = 0.0;
p = NsFindVersion(url, &major, &minor);
if (p != NULL) {
*p = '\0';
i = 10;
while ((minor / i) > 0) {
i *= 10;
}
request->version = major + (double) minor / i;
}
url = Ns_StrTrim(url);
if (*url == '\0') {
goto done;
}
/*
* Look for a protocol in the URL.
*/
request->protocol = NULL;
request->host = NULL;
request->port = 0;
if (*url != '/') {
p = url;
while (*p != '\0' && *p != '/' && *p != ':') {
++p;
}
if (*p == ':') {
/*
* Found a protocol - copy it and search for host:port.
*/
*p++ = '\0';
request->protocol = ns_strdup(url);
url = p;
if ((strlen(url) > 3) && (*p++ == '/')
&& (*p++ == '/') && (*p != '\0') && (*p != '/')) {
char *h;
h = p;
while (*p != '\0' && *p != '/') {
++p;
}
if (*p == '/') {
*p++ = '\0';
}
url = p;
p = strchr(h, ':');
if (p != NULL) {
*p++ = '\0';
if (Tcl_GetInt(NULL, p, &i) != TCL_OK) {
goto done;
}
request->port = (unsigned short) i;
}
request->host = ns_strdup(h);
}
}
}
SetUrl(request, url, encoding);
done:
if (request->url == NULL) {
Ns_FreeRequest(request);
request = NULL;
}
Ns_DStringFree(&ds);
return request;
}
char *
Ns_DecodeUrlWithEncoding(Ns_DString *dsPtr, char *string, Tcl_Encoding encoding)
{
register int i, j, n;
register char *p, *q;
char c;
Ns_DString *outPtr, out;
Tcl_DString ds;
/*
* If using an encoding, copy output to a scratch buffer instead
* of directly to given dstring.
*/
if (encoding == NULL) {
outPtr = dsPtr;
} else {
Ns_DStringInit(&out);
outPtr = &out;
}
/*
* Expand the output to the length of the input
* string which will be the largest size required.
*/
n = strlen(string);
i = dsPtr->length;
Ns_DStringSetLength(outPtr, i + n);
q = outPtr->string + i;
p = string;
while ((c = UCHAR(*p)) != '\0') {
if (c == '%' && n > 2 &&
(i = enc[UCHAR(p[1])].hex) >= 0 &&
(j = enc[UCHAR(p[2])].hex) >= 0) {
*q = (unsigned char) ((i << 4) + j);
n -= 2;
p += 2;
} else if (c == '+') {
*q = ' ';
} else {
*q = c;
}
--n, ++q, ++p;
}
/*
* Terminate the dstring, decoding to utf8 if necessary.
*/
n = q - outPtr->string;
if (outPtr == dsPtr) {
Ns_DStringSetLength(dsPtr, n);
} else {
Tcl_ExternalToUtfDString(encoding, outPtr->string, n, &ds);
Ns_DStringAppend(dsPtr, ds.string);
Tcl_DStringFree(&ds);
Ns_DStringFree(outPtr);
}
return dsPtr->string;
}
int
Ns_ExecArgv(char *exec, char *dir, int fdin, int fdout,
char **argv, Ns_Set *env)
{
#ifdef _WIN32
/*
* Win32 ExecArgv simply calls ExecArgblk.
*/
int pid;
Ns_DString ads;
char *args;
int i;
Ns_DStringInit(&ads);
if (argv == NULL) {
args = NULL;
} else {
for (i = 0; argv[i] != NULL; ++i) {
Ns_DStringNAppend(&ads, argv[i], strlen(argv[i]) + 1);
}
args = ads.string;
}
pid = Ns_ExecArgblk(exec, dir, fdin, fdout, args, env);
Ns_DStringFree(&ads);
return pid;
#else
Ns_DString eds;
char *argvSh[4], **envp;
int i, pid;
if (exec == NULL) {
return -1;
}
if (argv == NULL) {
argv = argvSh;
argv[0] = "/bin/sh";
argv[1] = "-c";
argv[2] = exec;
argv[3] = NULL;
exec = argv[0];
}
Ns_DStringInit(&eds);
if (env == NULL) {
envp = Ns_CopyEnviron(&eds);
} else {
for (i = 0; i < Ns_SetSize(env); ++i) {
Ns_DStringVarAppend(&eds,
Ns_SetKey(env, i), "=", Ns_SetValue(env, i), NULL);
Ns_DStringNAppend(&eds, "", 1);
}
Ns_DStringNAppend(&eds, "", 1);
envp = Ns_DStringAppendArgv(&eds);
}
if (fdin < 0) {
fdin = 0;
}
if (fdout < 0) {
fdout = 1;
}
pid = ExecProc(exec, dir, fdin, fdout, argv, envp);
Ns_DStringFree(&eds);
return pid;
#endif
}
int
Ns_ExecArgblk(char *exec, char *dir, int fdin, int fdout,
char *args, Ns_Set *env)
{
#ifndef _WIN32
int pid;
char **argv;
Ns_DString vds;
Ns_DStringInit(&vds);
if (args == NULL) {
argv = NULL;
} else {
while (*args != '\0') {
Ns_DStringNAppend(&vds, (char *) &args, sizeof(args));
args += strlen(args) + 1;
}
args = NULL;
Ns_DStringNAppend(&vds, (char *) &args, sizeof(args));
argv = (char **) vds.string;
}
pid = Ns_ExecArgv(exec, dir, fdin, fdout, argv, env);
Ns_DStringFree(&vds);
return pid;
#else
STARTUPINFO si;
PROCESS_INFORMATION pi;
HANDLE hCurrentProcess;
int pid;
Ns_DString cds, xds, eds;
char *envp;
OSVERSIONINFO oinfo;
char *cmd;
if (exec == NULL) {
return -1;
}
oinfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
if (GetVersionEx(&oinfo) == TRUE && oinfo.dwPlatformId != VER_PLATFORM_WIN32_NT) {
cmd = "command.com";
} else {
cmd = "cmd.exe";
}
/*
* Setup STARTUPINFO with stdin, stdout, and stderr.
*/
memset(&si, 0, sizeof(si));
si.cb = sizeof(si);
si.dwFlags = STARTF_USESTDHANDLES;
si.hStdError = (HANDLE) _get_osfhandle(_fileno(stderr));
hCurrentProcess = GetCurrentProcess();
if (fdout < 0) {
fdout = 1;
}
if (DuplicateHandle(hCurrentProcess, (HANDLE) _get_osfhandle(fdout), hCurrentProcess,
&si.hStdOutput, 0, TRUE, DUPLICATE_SAME_ACCESS) != TRUE) {
Ns_Log(Error, "exec: failed to duplicate handle: %s",
NsWin32ErrMsg(GetLastError()));
return -1;
}
if (fdin < 0) {
fdin = 0;
}
if (DuplicateHandle(hCurrentProcess, (HANDLE) _get_osfhandle(fdin), hCurrentProcess,
&si.hStdInput, 0, TRUE, DUPLICATE_SAME_ACCESS) != TRUE) {
Ns_Log(Error, "exec: failed to duplicate handle: %s",
NsWin32ErrMsg(GetLastError()));
(void) CloseHandle(si.hStdOutput);
return -1;
}
/*
* Setup the command line and environment block and create the new
* subprocess.
*/
Ns_DStringInit(&cds);
Ns_DStringInit(&xds);
Ns_DStringInit(&eds);
if (args == NULL) {
/* NB: exec specifies a complete cmd.exe command string. */
Ns_DStringVarAppend(&cds, cmd, " /c ", exec, NULL);
exec = NULL;
} else {
char *s;
s = args;
while (*s != '\0') {
int len;
len = strlen(s);
Ns_DStringNAppend(&cds, s, len);
s += len + 1;
if (*s != '\0') {
Ns_DStringNAppend(&cds, " ", 1);
}
}
Ns_NormalizePath(&xds, exec);
s = xds.string;
while (*s != '\0') {
if (*s == '/') {
*s = '\\';
}
++s;
}
exec = xds.string;
}
if (env == NULL) {
envp = NULL;
} else {
Set2Argv(&eds, env);
envp = eds.string;
}
if (CreateProcess(exec, cds.string, NULL, NULL, TRUE, 0, envp, dir, &si, &pi) != TRUE) {
Ns_Log(Error, "exec: failed to create process: %s: %s",
exec ? exec : cds.string, NsWin32ErrMsg(GetLastError()));
pid = -1;
} else {
CloseHandle(pi.hThread);
pid = (int) pi.hProcess;
}
Ns_DStringFree(&cds);
Ns_DStringFree(&xds);
Ns_DStringFree(&eds);
CloseHandle(si.hStdInput);
CloseHandle(si.hStdOutput);
return pid;
#endif
}
