if (fputs("Content-Type: text/plain\n\n",stdout)==EOF || fflush(stdout))
syserror("write stdout");
if (dup2(1,2)<0) { perror("dup stdout to stderr"); exit(-1); }
+ D( printf(";;; UCGI\n"); )
}
if (argc > MAX_ARGS) error("too many arguments");
pathi= getenv("PATH_INFO");
if (!pathi) error("PATH_INFO not found");
+ D( if (debugmode) {
+ printf(";; find user name...\n"
+ ";; initial PATH_INFO = `%s'\n",
+ pathi);
+ } )
if (pathi[0] != '/' || pathi[1] != '~') error("PATH_INFO must start with /~");
slash2= strchr(pathi+2,'/'); if (!slash2) error("PATH_INFO must have more than one /");
usernamelen= slash2-(pathi+2);
if (usernamelen > MAX_USERNAME_LEN) error("PATH_INFO username too long");
username= xmalloc(usernamelen+1);
memcpy(username,pathi+2,usernamelen); username[usernamelen]= 0;
+ D( if (debugmode)
+ printf(";; user = `%s'; tail = `%s'\n", username, slash2); )
if (!isalpha(username[0])) error("username 1st character is not alphabetic");
xsetenv("PATH_INFO",slash2,1);
arguments[nargs++]= 0;
if (debugmode) {
+ D( fflush(stdout); )
child= fork(); if (child==-1) syserror("fork");
if (child) {
rchild= waitpid(child,&status,0);
}
}
+ D( if (debugmode) {
+ int i;
+
+ printf(";; final command line...\n");
+ for (i = 0; arguments[i]; i++)
+ printf(";; %s\n", arguments[i]);
+ fflush(stdout);
+ } )
+
execvp("userv",(char*const*)arguments);
syserror("exec userv");
return -1;