#include "ucgi.h"
+static void setenvar(const char *fulln,
+ const char *en, const char *ep, void *p) {
+ xsetenv(en, ep, 1);
+ unsetenv(fulln);
+}
+
int main(int argc, const char **argv) {
- char *uservarn, *scriptpath, *newvar;
- const char *nextslash, *lastslash, *pathi, *ev, *ev2, *en, *scriptdir, *av;
- const char *const *ep;
+ char *scriptpath, *newvar;
+ const char *nextslash, *lastslash, *pathi, *ev, *ev2, *scriptdir, *av;
const char **arguments;
- size_t scriptdirlen, scriptpathlen, l, uservarnl;
+ size_t scriptdirlen, scriptpathlen, l;
struct stat stab;
int r, nargs;
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");
scriptdir= newvar;
scriptdirlen= strlen(scriptdir);
- uservarn= 0;
- uservarnl= 0;
- 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");
- unsetenv(uservarn);
- }
+ filter_environment(0, "USERV_U_E_", envok, setenvar, 0);
scriptpath= 0;
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;