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;
ev= getenv("USERV_U_DEBUG");
if (ev && *ev) debugmode= 1;
+ D( if (debugmode) printf(";;; UCGITARGET\n"); )
if (argc > MAX_ARGS) error("too many arguments");
if (!*++argv) error("no script directory argument");
pathi= getenv("PATH_INFO");
if (!pathi) error("PATH_INFO not found");
lastslash= pathi;
+ D( if (debugmode) {
+ printf(";; find script name...\n"
+ ";; PATH_INFO = `%s'\n",
+ pathi);
+ } )
for (;;) {
if (*lastslash != '/') error("PATH_INFO expected slash not found");
if (lastslash[1]=='.' || lastslash[1]=='#' || !lastslash[1]) error("bad char begin");
memcpy(scriptpath+scriptdirlen,pathi,nextslash-pathi);
scriptpath[scriptpathlen]= 0;
if (scriptpath[scriptpathlen-1]=='~') error("bad char end");
+ D( if (debugmode) printf(";; try `%s'\n", scriptpath); )
r= stat(scriptpath,&stab); if (r) syserror("stat script");
if (S_ISREG(stab.st_mode)) break;
if (!S_ISDIR(stab.st_mode)) error("script not directory or file");
lastslash= nextslash;
}
+ D( if (debugmode) printf(";; found script: tail = `%s'\n", nextslash); )
if (*nextslash) xsetenv("PATH_INFO",nextslash,1);
else unsetenv("PATH_INFO");
while ((av= (*++argv))) arguments[nargs++]= av;
arguments[nargs++]= 0;
+ D( if (debugmode) {
+ int i;
+
+ printf(";; final environment...\n");
+ for (i = 0; environ[i]; i++)
+ printf(";; %s\n", environ[i]);
+
+ printf(";; final command line...\n");
+ for (i = 0; arguments[i]; i++)
+ printf(";; %s\n", arguments[i]);
+ fflush(stdout);
+ } )
+
execvp(scriptpath,(char*const*)arguments);
syserror("exec script");
return -1;