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Overview
| Comment: | Fix an issue with the chroot jail. At the ability to 404 certain Referer values. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
cf0aea0254c329b3bf67828996b59c48 |
| User & Date: | drh 2012-06-17 23:53:30 |
Context
|
2012-06-19
| ||
| 14:08 | In althttpd, if the requested file is not found, look for the "not-found.html" file in the same directory and use it instead. (check-in: e4391f7f58 user: drh tags: trunk) | |
|
2012-06-17
| ||
| 23:53 | Fix an issue with the chroot jail. At the ability to 404 certain Referer values. (check-in: cf0aea0254 user: drh tags: trunk) | |
|
2012-06-14
| ||
| 17:04 | Minor correction to the 3.7.13 news. (check-in: 78b3be0bd9 user: drh tags: trunk) | |
Changes
Changes to misc/althttpd.c.
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}
/* Get all the optional fields that follow the first line.
*/
zCookie = 0;
zAuthType = 0;
zRemoteUser = 0;
while( fgets(zLine,sizeof(zLine),stdin) ){
char *zFieldName;
char *zVal;
nIn += strlen(zLine);
zFieldName = GetFirstElement(zLine,&zVal);
if( zFieldName==0 || *zFieldName==0 ) break;
................................................................................
if( zRealPort ){
zServerPort = StrDup(zRealPort);
}
}else if( strcasecmp(zFieldName,"Authorization:")==0 ){
zAuthType = GetFirstElement(StrDup(zVal), &zAuthArg);
}
}
/* Make an extra effort to get a valid server name and port number.
** Only Netscape provides this information. If the browser is
** Internet Explorer, then we have to find out the information for
** ourselves.
*/
if( zServerName==0 ){
................................................................................
int main(int argc, char **argv){
int i; /* Loop counter */
char *zPermUser = 0; /* Run daemon with this user's permissions */
int iPort = 0; /* Implement an HTTP server process */
int useChrootJail = 1; /* True to use a change-root jail */
/* Record the time when processing begins.
*/
time(&beginTime);
/* Parse command-line arguments
*/
................................................................................
/* Change directories to the root of the HTTP filesystem. Then
** create a chroot jail there.
*/
if( chdir(zRoot)!=0 ){
Malfunction(__LINE__, "cannot change to directory [%s]", zRoot);
}
if( zPermUser && useChrootJail && getuid()==0 ){
if( chroot(".")<0 ){
Malfunction(__LINE__, "unable to create chroot jail");
}else{
zRoot = "";
}
}
................................................................................
if( iPort && http_server(iPort, 0) ){
Malfunction(__LINE__, "failed to start server");
}
/* Drop root privileges.
*/
if( zPermUser ){
struct passwd *pwd = getpwnam(zPermUser);
if( pwd ){
setgid(pwd->pw_gid);
setuid(pwd->pw_uid);
}else{
Malfunction(__LINE__, "no such user [%s]", zPermUser);
}
}
|
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} /* Get all the optional fields that follow the first line. */ zCookie = 0; zAuthType = 0; zRemoteUser = 0; zReferer = 0; while( fgets(zLine,sizeof(zLine),stdin) ){ char *zFieldName; char *zVal; nIn += strlen(zLine); zFieldName = GetFirstElement(zLine,&zVal); if( zFieldName==0 || *zFieldName==0 ) break; ................................................................................ if( zRealPort ){ zServerPort = StrDup(zRealPort); } }else if( strcasecmp(zFieldName,"Authorization:")==0 ){ zAuthType = GetFirstElement(StrDup(zVal), &zAuthArg); } } /* Disallow referring from certain servers */ #if 0 if( zReferer ){ static const char *azDisallow[] = { "skidrowcrack.com", "hoshiyuugi.tistory.com", "skidrowgames.net", }; int i; for(i=0; i<sizeof(azDisallow)/sizeof(azDisallow[0]); i++){ if( strstr(zReferer, azDisallow[i])!=0 ) NotFound(__LINE__); } } #endif /* Make an extra effort to get a valid server name and port number. ** Only Netscape provides this information. If the browser is ** Internet Explorer, then we have to find out the information for ** ourselves. */ if( zServerName==0 ){ ................................................................................ int main(int argc, char **argv){ int i; /* Loop counter */ char *zPermUser = 0; /* Run daemon with this user's permissions */ int iPort = 0; /* Implement an HTTP server process */ int useChrootJail = 1; /* True to use a change-root jail */ struct passwd *pwd = 0; /* Information about the user */ /* Record the time when processing begins. */ time(&beginTime); /* Parse command-line arguments */ ................................................................................ /* Change directories to the root of the HTTP filesystem. Then ** create a chroot jail there. */ if( chdir(zRoot)!=0 ){ Malfunction(__LINE__, "cannot change to directory [%s]", zRoot); } /* Get information about the user if available */ if( zPermUser ) pwd = getpwnam(zPermUser); /* Enter the chroot jail if requested */ if( zPermUser && useChrootJail && getuid()==0 ){ if( chroot(".")<0 ){ Malfunction(__LINE__, "unable to create chroot jail"); }else{ zRoot = ""; } } ................................................................................ if( iPort && http_server(iPort, 0) ){ Malfunction(__LINE__, "failed to start server"); } /* Drop root privileges. */ if( zPermUser ){ if( pwd ){ setgid(pwd->pw_gid); setuid(pwd->pw_uid); }else{ Malfunction(__LINE__, "no such user [%s]", zPermUser); } } |