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fteqw/engine/http/iwebiface.c
Spoike f38a6264b8 Fix a stupid bug with allow_download cvar.
Fix recursive errors from Sys_Error on worker threads.
Fix shader parsing on worker thread with hlmdl.



git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@5431 fc73d0e0-1445-4013-8a0c-d673dee63da5
2019-03-12 06:41:52 +00:00

746 lines
17 KiB
C

#include "quakedef.h"
#if defined(WEBSERVER) || defined(FTPSERVER)
#include "iweb.h"
#include "netinc.h"
#ifdef WEBSVONLY //we need some functions from quake
char *NET_SockadrToString(char *s, int slen, struct sockaddr_qstorage *addr, size_t sizeofaddr)
{
switch(((struct sockaddr*)addr)->sa_family)
{
case AF_INET:
Q_snprintfz(s, slen, "%s:%u", inet_ntoa(((struct sockaddr_in*)addr)->sin_addr), ntohs(((struct sockaddr_in*)addr)->sin_port));
break;
case AF_INET6:
if (!memcmp(((struct sockaddr_in6*)addr)->sin6_addr.s6_addr, "\0\0\0\0\0\0\0\0\0\0\xff\xff", 12))
{ //ipv4-mapped
Q_snprintfz(s, slen, "[::ffff:%u.%u.%u.%u]:%u",
((struct sockaddr_in6*)addr)->sin6_addr.s6_addr[12],
((struct sockaddr_in6*)addr)->sin6_addr.s6_addr[13],
((struct sockaddr_in6*)addr)->sin6_addr.s6_addr[14],
((struct sockaddr_in6*)addr)->sin6_addr.s6_addr[15],
ntohs(((struct sockaddr_in6*)addr)->sin6_port));
}
else
{
Q_snprintfz(s, slen, "[%x:%x:%x:%x:%x:%x:%x:%x]:%u",
ntohs(((unsigned short*)((struct sockaddr_in6*)addr)->sin6_addr.s6_addr)[0]),
ntohs(((unsigned short*)((struct sockaddr_in6*)addr)->sin6_addr.s6_addr)[1]),
ntohs(((unsigned short*)((struct sockaddr_in6*)addr)->sin6_addr.s6_addr)[2]),
ntohs(((unsigned short*)((struct sockaddr_in6*)addr)->sin6_addr.s6_addr)[3]),
ntohs(((unsigned short*)((struct sockaddr_in6*)addr)->sin6_addr.s6_addr)[4]),
ntohs(((unsigned short*)((struct sockaddr_in6*)addr)->sin6_addr.s6_addr)[5]),
ntohs(((unsigned short*)((struct sockaddr_in6*)addr)->sin6_addr.s6_addr)[6]),
ntohs(((unsigned short*)((struct sockaddr_in6*)addr)->sin6_addr.s6_addr)[7]),
ntohs(((struct sockaddr_in6*)addr)->sin6_port));
}
break;
default:
*s = 0;
break;
}
return s;
}
qboolean SV_AllowDownload (const char *name)
{
if (strstr(name, ".."))
return false;
if (strchr(name, ':'))
return false;
if (*name == '/' || *name == '\\')
return false;
return true;
}
char com_token[sizeof(com_token)];
com_tokentype_t com_tokentype;
int com_argc;
const char **com_argv;
vfsfile_t *IWebGenerateFile(const char *name, const char *content, int contentlength)
{
return NULL;
}
vfsfile_t *VFSSTDIO_Open(const char *osname, const char *mode, qboolean *needsflush);
vfsfile_t *QDECL FS_OpenVFS(const char *filename, const char *mode, enum fs_relative relativeto)
{
return VFSSTDIO_Open(filename, mode, NULL);
}
void Q_strncpyz(char *d, const char *s, int n)
{
int i;
n--;
if (n < 0)
return; //this could be an error
for (i=0; *s; i++)
{
if (i == n)
break;
*d++ = *s++;
}
*d='\0';
}
void VARGS Q_snprintfz (char *dest, size_t size, const char *fmt, ...)
{
va_list args;
va_start (args, fmt);
#ifdef _WIN32
#undef _vsnprintf
_vsnprintf (dest, size-1, fmt, args);
#else
vsnprintf (dest, size-1, fmt, args);
#endif
va_end (args);
//make sure its terminated.
dest[size-1] = 0;
}
/*char *va(char *format, ...)
{
#define VA_BUFFERS 2 //power of two
va_list argptr;
static char string[VA_BUFFERS][1024];
static int bufnum;
bufnum++;
bufnum &= (VA_BUFFERS-1);
va_start (argptr, format);
_vsnprintf (string[bufnum],sizeof(string[bufnum])-1, format,argptr);
va_end (argptr);
return string[bufnum];
}*/
#undef _vsnprintf
void Sys_Error(const char *format, ...)
{
va_list argptr;
char string[1024];
va_start (argptr, format);
#ifdef _WIN32
_vsnprintf (string,sizeof(string)-1, format,argptr);
string[sizeof(string)-1] = 0;
#else
vsnprintf (string,sizeof(string), format,argptr);
#endif
va_end (argptr);
printf("%s", string);
getchar();
exit(1000);
}
int COM_CheckParm(const char *parm)
{
return 0;
}
char *authedusername;
char *autheduserpassword;
int lport_min, lport_max;
int anonaccess = IWEBACC_READ;
iwboolean verbose;
int main(int argc, char **argv)
{
int httpport = 80;
int ftpport = 21;
int arg = 1;
#ifdef _WIN32
WSADATA pointlesscrap;
WSAStartup(2, &pointlesscrap);
#endif
while (arg < argc)
{
char *a = argv[arg];
if (!a)
continue;
if (*a != '-')
break; //other stuff
while (*a == '-')
a++;
arg++;
if (!strcmp(a, "help"))
{
printf("%s -http 80 -ftp 21 -user steve -pass swordfish -ports 5000 6000\n", argv[0]);
printf("runs a simple http server\n");
printf(" -http <num> specifies the port to listen on for http\n");
printf(" -ftp <num> specifies the port to listen on for ftp\n");
printf(" -ports <lowest> <highest> specifies a port range for incoming ftp connections, to work around firewall rules\n");
printf(" -user <name> specifies the username that has full access. if not supplied noone can write.\n");
printf(" -pass <pass> specifies the password to go with that username\n");
printf(" -noanon will refuse to serve files to anyone but the authed user\n");
return 0;
}
else if (!strcmp(a, "port") || !strcmp(a, "p"))
{
httpport = atoi(argv[arg++]);
ftpport = 0;
}
else if (!strcmp(a, "http") || !strcmp(a, "h"))
httpport = atoi(argv[arg++]);
else if (!strcmp(a, "ftp") || !strcmp(a, "f"))
ftpport = atoi(argv[arg++]);
else if (!strcmp(a, "noanon"))
anonaccess = 0;
else if (!strcmp(a, "ports"))
{
lport_min = atoi(argv[arg++]);
lport_max = atoi(argv[arg++]);
if (lport_max < lport_min)
lport_max = lport_min;
}
else if (!strcmp(a, "verbose") || !strcmp(a, "v"))
verbose = true;
else if (!strcmp(a, "user"))
authedusername = argv[arg++];
else if (!strcmp(a, "pass"))
autheduserpassword = argv[arg++];
else
printf("Unknown argument: %s\n", a);
}
if (arg < argc && atoi(argv[arg]))
{
httpport = atoi(argv[arg++]);
ftpport = 0;
}
if (arg < argc)
authedusername = argv[arg++];
if (arg < argc)
autheduserpassword = argv[arg++];
if (httpport)
printf("http port %i\n", httpport);
else
printf("http not enabled\n");
if (ftpport)
printf("ftp port %i\n", ftpport);
else
printf("ftp not enabled\n");
if (authedusername || autheduserpassword)
printf("Username = \"%s\"\nPassword = \"%s\"\n", authedusername, autheduserpassword);
else
printf("Server is read only\n");
while(1)
{
if (ftpport)
FTP_ServerRun(1, ftpport);
if (httpport)
HTTP_ServerPoll(1, httpport);
#ifdef _WIN32
Sleep(1);
#else
usleep(10000);
#endif
}
}
int IWebGetSafeListeningPort(void)
{
static int sequence;
return lport_min + (sequence++ % (lport_max+1-lport_min));
}
void VARGS IWebDPrintf(char *fmt, ...)
{
va_list args;
if (!verbose)
return;
va_start (args, fmt);
vprintf (fmt, args);
va_end (args);
}
#ifdef _WIN32
#ifdef _MSC_VER
#define ULL(x) x##ui64
#else
#define ULL(x) x##ull
#endif
static time_t Sys_FileTimeToTime(FILETIME ft)
{
ULARGE_INTEGER ull;
ull.LowPart = ft.dwLowDateTime;
ull.HighPart = ft.dwHighDateTime;
return ull.QuadPart / ULL(10000000) - ULL(11644473600);
}
void COM_EnumerateFiles (const char *match, int (*func)(const char *, qofs_t, time_t mtime, void *, searchpathfuncs_t *f), void *parm)
{
HANDLE r;
WIN32_FIND_DATAA fd;
char apath[MAX_OSPATH];
char file[MAX_OSPATH+MAX_PATH];
char *s;
int go;
strcpy(apath, match);
// sprintf(apath, "%s%s", gpath, match);
for (s = apath+strlen(apath)-1; s>= apath; s--)
{
if (*s == '/')
break;
}
s++;
*s = '\0';
strcpy(file, match);
r = FindFirstFileA(file, &fd);
if (r==(HANDLE)-1)
return;
go = true;
do
{
if (*fd.cFileName == '.');
else if (fd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) //is a directory
{
sprintf(file, "%s%s/", apath, fd.cFileName);
go = func(file, fd.nFileSizeLow, Sys_FileTimeToTime(fd.ftLastWriteTime), parm, NULL);
}
else
{
sprintf(file, "%s%s", apath, fd.cFileName);
go = func(file, fd.nFileSizeLow, Sys_FileTimeToTime(fd.ftLastWriteTime), parm, NULL);
}
}
while(FindNextFileA(r, &fd) && go);
FindClose(r);
}
#else
void COM_EnumerateFiles (const char *match, int (*func)(const char *, qofs_t, time_t mtime, void *, searchpathfuncs_t *f), void *parm)
{
//No implementation on unix etc
}
#endif
char *COM_ParseType (const char *data, char *out, int outlen, com_tokentype_t *toktype)
{
int c;
int len;
len = 0;
out[0] = 0;
if (!data)
return NULL;
// skip whitespace
skipwhite:
while ( (c = *data) <= ' ')
{
if (c == 0)
return NULL; // end of file;
data++;
}
// skip // comments
if (c=='/')
{
if (data[1] == '/')
{
while (*data && *data != '\n')
data++;
goto skipwhite;
}
}
// handle quoted strings specially
if (c == '\"')
{
com_tokentype = TTP_STRING;
data++;
while (1)
{
if (len >= outlen-1)
return (char*)data;
c = *data++;
if (c=='\"' || !c)
{
out[len] = 0;
return (char*)data;
}
out[len] = c;
len++;
}
}
com_tokentype = TTP_UNKNOWN;
// parse a regular word
do
{
if (len >= outlen-1)
return (char*)data;
out[len] = c;
data++;
len++;
c = *data;
} while (c>32);
out[len] = 0;
return (char*)data;
}
/*#undef COM_ParseToken
char *COM_ParseToken (const char *data, const char *punctuation)
{
int c;
int len;
len = 0;
com_token[0] = 0;
if (!data)
return NULL;
// skip whitespace
skipwhite:
while ( (c = *data) <= ' ')
{
if (c == 0)
return NULL; // end of file;
data++;
}
// skip // comments
if (c=='/')
{
if (data[1] == '/')
{
while (*data && *data != '\n')
data++;
goto skipwhite;
}
else if (data[1] == '*')
{
data+=2;
while (*data && (*data != '*' || data[1] != '/'))
data++;
data+=2;
goto skipwhite;
}
}
// handle quoted strings specially
if (c == '\"')
{
com_tokentype = TTP_STRING;
data++;
while (1)
{
c = *data++;
if (c=='\"' || !c)
{
com_token[len] = 0;
return (char*)data;
}
com_token[len] = c;
len++;
}
}
com_tokentype = TTP_UNKNOWN;
// parse single characters
if (c==',' || c=='{' || c=='}'|| c==')'|| c=='(' || c=='\'' || c==':' || c==';' || c == '=' || c == '!' || c == '>' || c == '<' || c == '&' || c == '|' || c == '+')
{
com_token[len] = c;
len++;
com_token[len] = 0;
return (char*)data+1;
}
// parse a regular word
do
{
com_token[len] = c;
data++;
len++;
c = *data;
if (c==',' || c=='{' || c=='}'|| c==')'|| c=='(' || c=='\'' || c==':' || c==';' || c == '=' || c == '!' || c == '>' || c == '<' || c == '&' || c == '|' || c == '+')
break;
} while (c>32);
com_token[len] = 0;
return (char*)data;
}*/
/*
IWEBFILE *IWebFOpenRead(char *name) //fread(name, "rb");
{
FILE *f;
char name2[512];
if (strstr(name, ".."))
return NULL;
sprintf(name2, "%s/%s", com_gamedir, name);
f = fopen(name2, "rb");
if (f)
{
IWEBFILE *ret = IWebMalloc(sizeof(IWEBFILE));
if (!ret)
{
fclose(f);
return NULL;
}
ret->f = f;
ret->start = 0;
fseek(f, 0, SEEK_END);
ret->end = ftell(f);//ret->start+ret->length;
fseek(f, 0, SEEK_SET);
ret->length = ret->end - ret->start;
return ret;
}
return NULL;
}
*/
#else
#if defined(WEBSERVER) || defined(FTPSERVER)
static cvar_t sv_readlevel = CVAR("sv_readlevel", "0"); //default to allow anyone
static cvar_t sv_writelevel = CVARD("sv_writelevel", "35", "Specifies the required trust level at which user accounts may write to the user-specific subdir of /uploads/USERNAME/*. If blank, then no uploads are permitted"); //allowed to write to uploads/uname
static cvar_t sv_fulllevel = CVARD("sv_fulllevel", "51", "User accounts with an access level greater than this may write anywhere, including the gamedir. Note that setting this low is increadibly risky. An empty value will be understood to never give this permission."); //allowed to write anywhere, replace any file...
#ifdef WEBSERVER
static cvar_t httpserver = CVAR("sv_http", "0");
static cvar_t httpserver_port = CVAR("sv_http_port", "80");
#endif
#ifdef FTPSERVER
static cvar_t ftpserver = CVAR("sv_ftp", "0");
static cvar_t ftpserver_port = CVAR("sv_ftp_port", "21");
static cvar_t sv_ftp_port_range = CVARD("sv_ftp_port_range", "0", "Specifies the port range for the server to create listening sockets for 'active' ftp connections, to work around NAT/firewall issues.\nMost FTP clients should use passive connections, but there's still some holdouts like windows.");
int IWebGetSafeListeningPort(void)
{
char *e;
int base, range;
static int sequence;
if (!sv_ftp_port_range.string || !*sv_ftp_port_range.string)
return 0; //lets the OS pick.
base = strtol(sv_ftp_port_range.string, &e, 0);
while(*e == ' ')
e++;
if (*e == '-')
e++;
while(*e == ' ')
e++;
range = strtol(e, NULL, 0);
if (range < base)
range = base;
return base + (sequence++ % (range+1-base));
}
#endif
#endif
//this file contains functions called from each side.
void VARGS IWebWarnPrintf(char *fmt, ...)
{
va_list argptr;
char msg[4096];
va_start (argptr,fmt);
vsnprintf (msg,sizeof(msg)-10, fmt,argptr); //catch any nasty bugs... (this is hopefully impossible)
va_end (argptr);
Con_Printf(CON_WARNING "%s", msg);
}
void IWebInit(void)
{
#ifdef WEBSERVER
Cvar_Register(&sv_fulllevel, "Internet Server Access");
Cvar_Register(&sv_writelevel, "Internet Server Access");
Cvar_Register(&sv_readlevel, "Internet Server Access");
Cvar_Register(&ftpserver, "Internet Server Access");
Cvar_Register(&ftpserver_port, "Internet Server Access");
Cvar_Register(&sv_ftp_port_range, "Internet Server Access");
Cvar_Register(&httpserver, "Internet Server Access");
Cvar_Register(&httpserver_port, "Internet Server Access");
//don't allow these to be changed easily
//this basically blocks these from rcon / stuffcmd
ftpserver.restriction = RESTRICT_MAX;
httpserver.restriction = RESTRICT_MAX;
sv_fulllevel.restriction = RESTRICT_MAX;
sv_writelevel.restriction = RESTRICT_MAX;
sv_readlevel.restriction = RESTRICT_MAX;
#endif
}
void IWebRun(void)
{
#ifdef FTPSERVER
{
extern qboolean ftpserverfailed;
FTP_ServerRun(ftpserver.ival!= 0, ftpserver_port.ival);
if (ftpserverfailed)
{
Con_Printf("FTP Server failed to load, setting %s to 0\n", ftpserver.name);
Cvar_SetValue(&ftpserver, 0);
ftpserverfailed = false;
}
}
#endif
#ifdef WEBSERVER
{
extern qboolean httpserverfailed;
HTTP_ServerPoll(httpserver.ival!=0, httpserver_port.ival);
if (httpserverfailed)
{
Con_Printf("HTTP Server failed to load, setting %s to 0\n", httpserver.name);
Cvar_SetValue(&httpserver, 0);
httpserverfailed = false;
}
}
#endif
}
void IWebShutdown(void)
{
}
#endif
#ifdef WEBSVONLY
void *Sys_CreateThread(char *name, int (*func)(void *), void *args, int priority, int stacksize)
{
return NULL;
}
void Sys_WaitOnThread(void *thread)
{
}
qboolean FS_Remove(const char *fname, enum fs_relative relativeto)
{
return false;
}
qboolean FS_NativePath(const char *fname, enum fs_relative relativeto, char *out, int outlen)
{
Q_strncpyz(out, fname, outlen);
if (*out == '/' || strstr(out, ".."))
{
*out = 0;
return false;
}
return strlen(fname) == strlen(out);
}
void FS_FlushFSHashWritten(const char *fname) {}
void FS_FlushFSHashRemoved(const char *fname) {}
qboolean FS_Rename(const char *oldf, const char *newf, enum fs_relative relativeto)
{
return rename(oldf, newf) != -1;
}
#ifdef _WIN32
#include <direct.h>
void FS_CreatePath(const char *pname, enum fs_relative relativeto)
{
_mkdir(pname);
}
qboolean Sys_rmdir (const char *path)
{
return _rmdir(path) != -1;
}
#else
#include <unistd.h>
#include <sys/stat.h>
void FS_CreatePath(const char *pname, enum fs_relative relativeto)
{
mkdir(pname, S_IRWXU | S_IRWXG | S_IROTH | S_IXOTH);
}
qboolean Sys_rmdir (const char *path)
{
return rmdir(path) != -1;
}
#endif
#endif
int IWebAuthorize(const char *name, const char *password)
{
#ifdef WEBSVONLY
if (authedusername)
{
if (!strcmp(name, authedusername))
{
if (!strcmp(password, autheduserpassword))
return IWEBACC_FULL;
}
}
//if they tried giving some other username, don't give them any access (prevents them from reading actual user files).
if (*name && stricmp(name, "anonymous"))
return 0;
return anonaccess;
#else
#ifndef CLIENTONLY
int id = Rank_GetPlayerID(NULL, name, atoi(password), false, true);
rankinfo_t info;
if (!id)
{
if (!sv_readlevel.value && (!*name || !stricmp(name, "anonymous")))
return IWEBACC_READ; //read only anywhere
return 0;
}
Rank_GetPlayerInfo(id, &info);
if (*sv_fulllevel.string && info.s.trustlevel >= sv_fulllevel.value)
return IWEBACC_READ | IWEBACC_WRITE | IWEBACC_FULL; //allowed to read and write anywhere to the quake filesystem
if (*sv_writelevel.string && info.s.trustlevel >= sv_writelevel.value)
return IWEBACC_READ | IWEBACC_WRITE; //allowed to read anywhere write to specific places
if (info.s.trustlevel >= sv_readlevel.value)
return IWEBACC_READ; //read only anywhere
#endif
return 0;
#endif
}
iwboolean IWebAllowUpLoad(const char *fname, const char *uname) //called for partial write access
{
if (strstr(fname, ".."))
return false;
if (!strncmp(fname, "uploads/", 8))
{
if (!strncmp(fname+8, uname, strlen(uname)))
if (fname[8+strlen(uname)] == '/')
return true;
}
return false;
}
char *Q_strcpyline(char *out, const char *in, int maxlen)
{
char *w = out;
while (*in && maxlen > 0)
{
if (*in == '\r' || *in == '\n')
break;
*w = *in;
in++;
w++;
maxlen--;
}
*w = '\0';
return out;
}
#endif