static void
compute_program_name_loc(const char* orig_argv0, const char** name, const char** loc) {
char* argv0 = strdup(orig_argv0);
char* lastslash = strrchr(argv0, '/');
if (lastslash == NULL) {
*name = argv0;
*loc = findProgramPath(orig_argv0);
} else {
*lastslash = '\0';
*name = lastslash+1;
*loc = findProgramPath(orig_argv0);
}
chplBinaryName = *name;
}
static void printStuff(const char* argv0) {
bool shouldExit = false;
bool printedSomething = false;
if (fPrintVersion) {
fprintf(stdout, "%s Version %s\n", sArgState.program_name, compileVersion);
fPrintCopyright = true;
printedSomething = true;
shouldExit = true;
}
if (fPrintLicense) {
fprintf(stdout,
#include "LICENSE"
);
fPrintCopyright = false;
shouldExit = true;
printedSomething = true;
}
if (fPrintCopyright) {
fprintf(stdout,
#include "COPYRIGHT"
);
printedSomething = true;
}
if( fPrintChplHome ) {
char* guess = findProgramPath(argv0);
printf("%s\t%s\n", CHPL_HOME, guess);
free(guess);
printedSomething = true;
}
if (fPrintHelp || (!printedSomething && sArgState.nfile_arguments < 1)) {
if (printedSomething) printf("\n");
usage(&sArgState, !fPrintHelp, fPrintEnvHelp, fPrintSettingsHelp);
shouldExit = true;
printedSomething = true;
}
if (printedSomething && sArgState.nfile_arguments < 1) {
shouldExit = true;
}
if (shouldExit) {
clean_exit(0);
}
}
static void execCommand(poptContext con) {
const char ** argv;
int pos = 0;
const char * script = con->doExec->script;
argv = malloc(sizeof(*argv) *
(6 + con->numLeftovers + con->finalArgvCount));
if (!con->execAbsolute && strchr(script, '/')) return;
if (!strchr(script, '/') && con->execPath) {
char *s = alloca(strlen(con->execPath) + strlen(script) + 2);
sprintf(s, "%s/%s", con->execPath, script);
argv[pos] = s;
} else {
argv[pos] = script;
}
pos++;
argv[pos] = findProgramPath(con->os->argv[0]);
if (argv[pos]) pos++;
argv[pos++] = ";";
memcpy(argv + pos, con->finalArgv, sizeof(*argv) * con->finalArgvCount);
pos += con->finalArgvCount;
if (con->numLeftovers) {
argv[pos++] = "--";
memcpy(argv + pos, con->leftovers, sizeof(*argv) * con->numLeftovers);
pos += con->numLeftovers;
}
argv[pos++] = NULL;
#ifdef __hpux
setresuid(getuid(), getuid(),-1);
#else
/*
* XXX " ... on BSD systems setuid() should be preferred over setreuid()"
* XXX sez' Timur Bakeyev <*****@*****.**>
* XXX from Norbert Warmuth <*****@*****.**>
*/
#if defined(HAVE_SETUID)
setuid(getuid());
#elif defined (HAVE_SETREUID)
setreuid(getuid(), getuid()); /*hlauer: not portable to hpux9.01 */
#else
; /* Can't drop privileges */
#endif
#endif
execvp(argv[0], (char *const *)argv);
}
static void setupChplHome(const char* argv0) {
const char* chpl_home = getenv("CHPL_HOME");
char* guess = NULL;
// Get the executable path.
guess = findProgramPath(argv0);
if (guess) {
// Determine CHPL_HOME based on the exe path.
// Determined exe path, but don't have a env var set
// Look for ../../../util/chplenv
// Remove the /bin/some-platform/chpl part
// from the path.
if( guess[0] ) {
int j = strlen(guess) - 5; // /bin and '\0'
for( ; j >= 0; j-- ) {
if( guess[j] == '/' &&
guess[j+1] == 'b' &&
guess[j+2] == 'i' &&
guess[j+3] == 'n' ) {
guess[j] = '\0';
break;
}
}
}
if( isMaybeChplHome(guess) ) {
// OK!
} else {
// Maybe we are in e.g. /usr/bin.
free(guess);
guess = NULL;
}
}
if( chpl_home ) {
if( strlen(chpl_home) > FILENAME_MAX )
USR_FATAL("$CHPL_HOME=%s path too long", chpl_home);
if( guess == NULL ) {
// Could not find exe path, but have a env var set
strncpy(CHPL_HOME, chpl_home, FILENAME_MAX);
} else {
// We have env var and found exe path.
// Check that they match and emit a warning if not.
if( ! isSameFile(chpl_home, guess) ) {
// Not the same. Emit warning.
USR_WARN("$CHPL_HOME=%s mismatched with executable home=%s",
chpl_home, guess);
}
// Since we have an enviro var, always use that.
strncpy(CHPL_HOME, chpl_home, FILENAME_MAX);
}
} else {
if( guess == NULL ) {
// Could not find enviro var, and could not
// guess at exe's path name.
USR_FATAL("$CHPL_HOME must be set to run chpl");
} else {
int rc;
if( strlen(guess) > FILENAME_MAX )
USR_FATAL("chpl guessed home %s too long", guess);
// Determined exe path, but don't have a env var set
strncpy(CHPL_HOME, guess, FILENAME_MAX);
// Also need to setenv in this case.
rc = setenv("CHPL_HOME", guess, 0);
if( rc ) USR_FATAL("Could not setenv CHPL_HOME");
}
}
// Check that the resulting path is a Chapel distribution.
if( ! isMaybeChplHome(CHPL_HOME) ) {
// Bad enviro var.
USR_WARN("CHPL_HOME=%s is not a Chapel distribution", CHPL_HOME);
}
if( guess ) free(guess);
parseCmdLineConfig("CHPL_HOME", astr("\"", CHPL_HOME, "\""));
}
/*@-bounds -boundswrite @*/
static int execCommand(poptContext con)
/*@globals internalState @*/
/*@modifies internalState @*/
{
poptItem item = con->doExec;
const char ** argv;
int argc = 0;
int rc;
if (item == NULL) /*XXX can't happen*/
return POPT_ERROR_NOARG;
if (item->argv == NULL || item->argc < 1 ||
(!con->execAbsolute && strchr(item->argv[0], '/')))
return POPT_ERROR_NOARG;
argv = (const char **)malloc(
sizeof(*argv) * (6 + item->argc + con->numLeftovers + con->finalArgvCount));
if (argv == NULL) return POPT_ERROR_MALLOC; /* XXX can't happen */
if (!strchr(item->argv[0], '/') && con->execPath) {
char *s = (char *)alloca(
strlen(con->execPath) + strlen(item->argv[0]) + sizeof("/"));
sprintf(s, "%s/%s", con->execPath, item->argv[0]);
argv[argc] = s;
} else {
argv[argc] = findProgramPath(item->argv[0]);
}
if (argv[argc++] == NULL) return POPT_ERROR_NOARG;
if (item->argc > 1) {
memcpy(argv + argc, item->argv + 1, sizeof(*argv) * (item->argc - 1));
argc += (item->argc - 1);
}
if (con->finalArgv != NULL && con->finalArgvCount > 0) {
memcpy(argv + argc, con->finalArgv,
sizeof(*argv) * con->finalArgvCount);
argc += con->finalArgvCount;
}
if (con->leftovers != NULL && con->numLeftovers > 0) {
#if 0
argv[argc++] = "--";
#endif
memcpy(argv + argc, con->leftovers, sizeof(*argv) * con->numLeftovers);
argc += con->numLeftovers;
}
argv[argc] = NULL;
#ifdef __hpux
rc = setresuid(getuid(), getuid(),-1);
if (rc) return POPT_ERROR_ERRNO;
#else
/*
* XXX " ... on BSD systems setuid() should be preferred over setreuid()"
* XXX sez' Timur Bakeyev <*****@*****.**>
* XXX from Norbert Warmuth <*****@*****.**>
*/
#if defined(HAVE_SETUID)
rc = setuid(getuid());
if (rc) return POPT_ERROR_ERRNO;
#elif defined (HAVE_SETREUID)
rc = setreuid(getuid(), getuid()); /*hlauer: not portable to hpux9.01 */
if (rc) return POPT_ERROR_ERRNO;
#else
; /* Can't drop privileges */
#endif
#endif
if (argv[0] == NULL)
return POPT_ERROR_NOARG;
#ifdef MYDEBUG
if (_popt_debug)
{ const char ** avp;
fprintf(stderr, "==> execvp(%s) argv[%d]:", argv[0], argc);
for (avp = argv; *avp; avp++)
fprintf(stderr, " '%s'", *avp);
fprintf(stderr, "\n");
}
#endif
rc = execvp(argv[0], (char *const *)argv);
/* notreached */
if (rc) {
return POPT_ERROR_ERRNO;
}
return 0;
}
