+++ /dev/null
-/*
- * Usage: as CGI script
- */
-
-#include "ucgi.h"
-
-int main(int argc, const char **argv) {
- char *defarg;
- const char *slash2, *pathi, *ev, *en, *av;
- const char *const *ep;
- const char **arguments;
- size_t usernamelen;
-
- pathi= getenv("PATH_INFO");
- if (pathi[0] != '/' || pathi[1] != '~') error("PATH_INFO must start with /~");
- slash2= strchr(pathi,'/'); 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); username[usernamelen]= 0;
- if (!isalpha(username[0])) error("username 1st character is not alphabetic");
- if (setenv("PATH_INFO",slash2,1)) syserror("setenv PATH_INFO");
-
- arguments= xmalloc(sizeof(const char*)*(nenvok+argc+10));
- nargs= 0;
- arguments[0]= "userv";
- for (ep= envok; (en= *ep); ep++) {
- ev= getenv(en); if (!ev) continue;
- l= strlen(ev); if (l > MAX_ENVVAR_VALUE) error("environment variable too long");
- defarg= xmalloc(strlen(en)+l+5);
- sprintf(defarg,"-D%s=%s",en,ev);
- arguments[nargs++]= defarg;
- }
- arguments[nargs++]= username;
- arguments[nargs++]= "www-cgi";
- while ((av= (*++argv))) arguments[nargs++]= av;
- arguments[nargs++]= 0;
-}
+++ /dev/null
-/**/
-
-#include "ucgicommon.h"
-
-const char *const envok[]= {
- "CONTENT_LENGTH",
- "CONTENT_TYPE",
- "DOCUMENT_ROOT",
- "GATEWAY_INTERFACE",
- "HTTP_ACCEPT",
- "HTTP_ACCEPT_ENCODING",
- "HTTP_ACCEPT_LANGUAGE",
- "HTTP_CACHE_CONTROL",
- "HTTP_HOST",
- "HTTP_NEGOTIATE",
- "HTTP_PRAGMA",
- "HTTP_USER_AGENT",
- "PATH_INFO",
- "PATH_TRANSLATED",
- "QUERY_STRING",
- "REMOTE_ADDR",
- "REMOTE_HOST",
- "REMOTE_USER",
- "REMOTE_IDENT",
- "REQUEST_METHOD",
- "SCRIPT_FILENAME",
- "SCRIPT_NAME",
- "SCRIPT_URI",
- "SCRIPT_URL",
- "SERVER_ADMIN",
- "SERVER_NAME",
- "SERVER_PORT",
- "SERVER_PROTOCOL",
- "SERVER_SOFTWARE",
- 0
-};
-const int nenvok= sizeof(envok)/sizeof(envok[0]);
-
-void syserror(const char *m) {
- if (printf("Content-Type: text/plain\n\n"
- "ucgi: system call error:\n"
- "%s: %s\n",
- m,strerror(errno))==EOF || fflush(stdout)) outerror();
- exit(0);
-}
-
-void error(const char *m) {
- if (printf("Content-Type: text/plain\n\n"
- "ucgi: error:\n"
- "%s\n",
- m)==EOF || fflush(stdout)) outerror();
- exit(0);
-}
-
-void *xmalloc(size_t sz) {
- void *r;
-
- r= malloc(sz);
- if (!r) syserror("malloc failed");
- return r;
-}
+++ /dev/null
-/*
- * Usage: as CGI script, but called by userv
- * environment variables are USERV_U_E_...
- */
-
-#include <stdio.h>
-#include <string.h>
-#include <ctype.h>
-#include <unistd.h>
-#include <sys/types.h>
-#include <sys/wait.h>
-#include <stat.h>
-
-#include "ucgi.h"
-
-void *xrealloc(void *ptr, size_t sz) {
- void *r;
-
- r= realloc(ptr,sz);
- if (!r) syserror("realloc failed");
- return r;
-}
-
-int main(int argc, const char **argv) {
- char *uservar, *scriptpath;
- const char *nextslash, *lastslash, *pathi, *ev, *en, *scriptdir;
- const char *const *ep;
- const char **arguments;
- size_t scriptdirlen, scriptpathlen, l, uservarnl;
- struct stat stab;
-
- ev= getenv("USERV_U_DEBUG");
- if (ev && *ev) debugmode= 1;
-
- if (argc > MAX_ARGS) error("too many arguments");
-
- scriptdir= *++argv;
- if (!scriptdir) error("no argv[1] (script directory)");
- scriptdirlen= strlen(scriptdir);
-
- for (ep= envok; (en= *ep); ep++) {
- l= strlen(en)+11;
- if (uservarnl<l) { uservarn= xrealloc(uservarn,l); uservarnl= l; }
- sprintf(uservarn,"USERV_U_E_%s",en);
- ev= getenv(uservarn); if (!ev) continue;
- if (strlen(ev) > MAX_ENVVAR_VALUE) error("environment variable too long");
- if (setenv(en,ev,1)) syserror("setenv");
- if (unsetenv(uservarn)) syserror("unsetenv");
- }
-
- pathi= getenv("PATH_INFO");
- if (!pathi) error("PATH_INFO not found");
- if (pathi[0] != '/') error("PATH_INFO must start with /");
- lastslash= pathi;
- for (;;) {
- nextslash= strchr(lastslash+1,'/');
- if (!nextslash) error("insufficient slashes in PATH_INFO beyond directory");
- if (nextslash[1]=='.' || nextslash[1]=='#' || !nextslash[1]) error("bad char begin");
- if (nextslash-pathi > MAX_SCRIPTPATH_LEN) error("PATH_INFO script dir too long");
- scriptpathlen= scriptdirlen+(nextslash-pathi);
- scriptpath= xrealloc(scriptpath,scriptpathlen);
- memcpy(scriptpath,pathi,scriptpathlen); scriptpath[scriptpathlen]= 0;
- if (scriptpath[scriptpathlen-1]=='~') error("bad char end");
- r= stat(scriptpath,&stab); if (r) syserror("stat script");
- if (S_ISREG(stab.st_mode)) break;
- if (!S_ISDIR(stab.st_mode)) syserror("script not directory or file");
- lastlash= nextslash;
- }
- if (setenv("PATH_INFO",nextslash,1)) syserror("setenv PATH_INFO");
-
- arguments= xmalloc(sizeof(const char*)*(argc+5));
- nargs= 0;
-
- arguments[nargs++]= scriptpath;
- while ((av= (*++argv))) arguments[nargs++]= av;
- arguments[nargs++]= 0;
-
- execvp(scriptpath,(char*const*)arguments);
- syserror("exec script");
- return -1;
-}