void SwitchProgram(const char *CommandLine, int Flags, const char *Config)
{
char **argv, *ptr;
char *Token=NULL, *SafeStr=NULL;
int i;
if (Flags & SPAWN_TRUST_COMMAND) SafeStr=CopyStr(SafeStr,CommandLine);
else SafeStr=MakeShellSafeString(SafeStr, CommandLine, 0);
SafeStr=MakeShellSafeString(SafeStr,CommandLine,0);
argv=(char **) calloc(101,sizeof(char *));
ptr=SafeStr;
for (i=0; i < 100; i++)
{
ptr=GetToken(ptr,"\\S",&Token,GETTOKEN_QUOTES);
if (! ptr) break;
argv[i]=CopyStr(argv[i],Token);
}
SpawnApplyConfig(Config, Flags);
DestroyString(Token);
DestroyString(SafeStr);
/* we are the child so we continue */
execv(argv[0],argv);
//no point trying to free stuff here, we will no longer
//be the main program
}
void SwitchProgram(const char *CommandLine, const char *User,const char *Group, const char *Dir)
{
char **argv, *ptr;
char *Token=NULL, *SafeStr=NULL;
int i;
SafeStr=MakeShellSafeString(SafeStr,CommandLine,0);
argv=(char **) calloc(101,sizeof(char *));
ptr=SafeStr;
for (i=0; i < 100; i++)
{
ptr=GetToken(ptr,"\\S",&Token,GETTOKEN_QUOTES);
if (! ptr) break;
argv[i]=CopyStr(argv[i],Token);
}
if (StrLen(Dir)) chdir(Dir);
if (StrLen(Group)) SwitchGroup(Group);
if (StrLen(User)) SwitchUser(User);
DestroyString(Token);
DestroyString(SafeStr);
/* we are the child so we continue */
execv(argv[0],argv);
//no point trying to free stuff here, we will no longer
//be the main program
}
int BASIC_FUNC_EXEC_COMMAND(void *Command)
{
char *SafeStr=NULL;
int result;
SafeStr=MakeShellSafeString(SafeStr,Command,0);
result=execl("/bin/sh","/bin/sh","-c",(char *) SafeStr,NULL);
DestroyString(SafeStr);
return(result);
}
STREAM *STREAMSpawnCommand(const char *Command, int Flags, const char *Config)
{
STREAM *S=NULL;
char *Tempstr=NULL;
if (Flags & SPAWN_TRUST_COMMAND) Tempstr=CopyStr(Tempstr,Command);
else Tempstr=MakeShellSafeString(Tempstr, Command, 0);
S=STREAMSpawnFunction(BASIC_FUNC_EXEC_COMMAND, Tempstr, Flags, Config);
DestroyString(Tempstr);
return(S);
}
//This is the function we call in the child process for 'SpawnCommand'
int BASIC_FUNC_EXEC_COMMAND(void *Command, int Flags)
{
int result;
char *Token=NULL, *FinalCommand=NULL, *ExecPath=NULL;
char **argv;
const char *ptr;
int i;
if (Flags & SPAWN_TRUST_COMMAND) FinalCommand=CopyStr(FinalCommand, (char *) Command);
else FinalCommand=MakeShellSafeString(FinalCommand, (char *) Command, 0);
StripTrailingWhitespace(FinalCommand);
if (Flags & SPAWN_NOSHELL)
{
argv=(char **) calloc(101,sizeof(char *));
ptr=FinalCommand;
ptr=GetToken(FinalCommand,"\\S",&Token,GETTOKEN_QUOTES);
ExecPath=FindFileInPath(ExecPath,Token,getenv("PATH"));
i=0;
if (! (Flags & SPAWN_ARG0))
{
argv[0]=CopyStr(argv[0],ExecPath);
i=1;
}
for (; i < 100; i++)
{
ptr=GetToken(ptr,"\\S",&Token,GETTOKEN_QUOTES);
if (! ptr) break;
argv[i]=CopyStr(argv[i],Token);
}
execv(ExecPath,argv);
}
else result=execl("/bin/sh","/bin/sh","-c",(char *) Command,NULL);
RaiseError(ERRFLAG_ERRNO, "Spawn", "Failed to execute '%s'",Command);
//We'll never get to here unless something fails!
DestroyString(FinalCommand);
DestroyString(ExecPath);
DestroyString(Token);
return(result);
}
STREAM *STREAMSpawnCommand(const char *Command, const char *User, const char *Group, int Flags)
{
int to_fd, from_fd;
pid_t pid;
STREAM *S=NULL;
char *Tempstr=NULL;
if (Flags & SPAWN_TRUST_COMMAND) Tempstr=CopyStr(Tempstr,Command);
else Tempstr=MakeShellSafeString(Tempstr, Command, 0);
if (Flags & COMMS_BY_PTY)
{
pid=PseudoTTYSpawn(&to_fd,Tempstr,User,Group,Flags);
if (pid > 0) S=STREAMFromFD(to_fd);
}
else
{
if (Flags & COMMS_COMBINE_STDERR)
{
pid=PipeSpawn(&to_fd, &from_fd, COMMS_COMBINE_STDERR, Tempstr,User,Group);
}
else pid=PipeSpawn(&to_fd, &from_fd, NULL, Tempstr,User,Group);
if (pid > 0) S=STREAMFromDualFD(from_fd, to_fd);
}
if (S)
{
STREAMSetFlushType(S,FLUSH_LINE,0,0);
Tempstr=FormatStr(Tempstr,"%d",pid);
STREAMSetValue(S,"PeerPID",Tempstr);
}
DestroyString(Tempstr);
return(S);
}
