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-rw-r--r--process.c132
1 files changed, 96 insertions, 36 deletions
diff --git a/process.c b/process.c
index ac7a7465e8..9d50fea8bf 100644
--- a/process.c
+++ b/process.c
@@ -108,9 +108,6 @@ rb_waitpid(pid, flags, st)
result = wait4(pid, st, flags, NULL);
if (result < 0) {
if (errno == EINTR) {
-#ifdef THREAD
- thread_schedule();
-#endif
goto retry;
}
return -1;
@@ -250,30 +247,36 @@ after_exec()
#endif
extern char *dln_find_exe();
+int env_path_tainted();
static void
security(str)
char *str;
{
- extern int env_path_tainted;
extern VALUE eSecurityError;
- if (rb_safe_level() > 0 && env_path_tainted) {
- Raise(eSecurityError, "Insecure PATH - %s", str);
+ if (rb_safe_level() > 0) {
+ if (env_path_tainted()) {
+ Raise(eSecurityError, "Insecure PATH - %s", str);
+ }
}
}
static int
-proc_exec_v(argv)
+proc_exec_v(argv, prog)
char **argv;
-{
char *prog;
-
- security(argv[0]);
- prog = dln_find_exe(argv[0], 0);
- if (!prog) {
- errno = ENOENT;
- return -1;
+{
+ if (prog) {
+ security(prog);
+ }
+ else {
+ security(argv[0]);
+ prog = dln_find_exe(argv[0], 0);
+ if (!prog) {
+ errno = ENOENT;
+ return -1;
+ }
}
#if (defined(MSDOS) && !defined(DJGPP)) || defined(__human68k__)
{
@@ -315,13 +318,19 @@ proc_exec_v(argv)
}
static int
-proc_exec_n(argc, argv)
+proc_exec_n(argc, argv, progv)
int argc;
VALUE *argv;
+ VALUE progv;
{
+ char *prog = 0;
char **args;
int i;
+ if (progv) {
+ Check_SafeStr(progv);
+ prog = RSTRING(progv)->ptr;
+ }
args = ALLOCA_N(char*, argc+1);
for (i=0; i<argc; i++) {
Check_SafeStr(argv[i]);
@@ -329,7 +338,7 @@ proc_exec_n(argc, argv)
}
args[i] = 0;
if (args[0]) {
- return proc_exec_v(args);
+ return proc_exec_v(args, prog);
}
return -1;
}
@@ -382,7 +391,7 @@ rb_proc_exec(str)
*a = NULL;
}
if (argv[0]) {
- return proc_exec_v(argv);
+ return proc_exec_v(argv, 0);
}
errno = ENOENT;
return -1;
@@ -390,16 +399,22 @@ rb_proc_exec(str)
#if defined(__human68k__)
static int
-proc_spawn_v(argv)
+proc_spawn_v(argv, prog)
char **argv;
-{
char *prog;
+{
char *extension;
int state;
- prog = dln_find_exe(argv[0], 0);
- if (!prog)
- return -1;
+ if (prog) {
+ security(prog);
+ }
+ else {
+ security(argv[0]);
+ prog = dln_find_exe(argv[0], 0);
+ if (!prog)
+ return -1;
+ }
if ((extension = strrchr(prog, '.')) != NULL && strcasecmp(extension, ".bat") == 0) {
char **new_argv;
@@ -430,9 +445,10 @@ proc_spawn_v(argv)
}
static int
-proc_spawn_n(argc, argv)
+proc_spawn_n(argc, argv, prog)
int argc;
VALUE *argv;
+ VALUE prog;
{
char **args;
int i;
@@ -442,9 +458,10 @@ proc_spawn_n(argc, argv)
Check_SafeStr(argv[i]);
args[i] = RSTRING(argv[i])->ptr;
}
+ Check_SafeStr(prog);
args[i] = (char *) 0;
if (args[0])
- return proc_exec_v(args);
+ return proc_spawn_v(args, RSTRING(prog)->ptr);
return -1;
}
@@ -473,7 +490,7 @@ proc_spawn(str)
*a++ = t;
*a = NULL;
}
- return argv[0] ? proc_spawn_v(argv) : -1 ;
+ return argv[0] ? proc_spawn_v(argv, 0) : -1 ;
}
#endif /* __human68k__ */
@@ -482,12 +499,29 @@ f_exec(argc, argv)
int argc;
VALUE *argv;
{
- if (argc == 1) {
+ VALUE prog = 0;
+
+ if (TYPE(argv[0]) == T_ARRAY) {
+ if (RARRAY(argv[0])->len != 2) {
+ ArgError("wrong first argument");
+ }
+ prog = RARRAY(argv[0])->ptr[0];
+ argv[0] = RARRAY(argv[0])->ptr[1];
+ }
+
+ if (TYPE(argv[0]) == T_ARRAY) {
+ if (RARRAY(argv[0])->len != 2) {
+ ArgError("wrong first argument");
+ }
+ prog = RARRAY(argv[0])->ptr[0];
+ argv[0] = RARRAY(argv[0])->ptr[1];
+ }
+ if (argc == 1 && prog == 0) {
Check_SafeStr(argv[0]);
rb_proc_exec(RSTRING(argv[0])->ptr);
}
else {
- proc_exec_n(argc, argv);
+ proc_exec_n(argc, argv, prog);
}
rb_sys_fail(RSTRING(argv[0])->ptr);
}
@@ -574,6 +608,12 @@ f_system(argc, argv)
VALUE cmd;
int state;
+ if (TYPE(argv[0]) == T_ARRAY) {
+ if (RARRAY(argv[0])->len != 2) {
+ ArgError("wrong first argument");
+ }
+ argv[0] = RARRAY(argv[0])->ptr[0];
+ }
cmd = ary_join(ary_new4(argc, argv), str_new2(" "));
Check_SafeStr(cmd);
@@ -587,6 +627,12 @@ f_system(argc, argv)
VALUE cmd;
int state;
+ if (TYPE(argv[0]) == T_ARRAY) {
+ if (RARRAY(argv[0])->len != 2) {
+ ArgError("wrong first argument");
+ }
+ argv[0] = RARRAY(argv[0])->ptr[0];
+ }
cmd = ary_join(ary_new4(argc, argv), str_new2(" "));
Check_SafeStr(cmd);
@@ -597,6 +643,7 @@ f_system(argc, argv)
return FALSE;
#else
#if defined(__human68k__)
+ VALUE prog = 0;
int i;
int state;
@@ -608,14 +655,25 @@ f_system(argc, argv)
return INT2FIX(0);
}
- for (i = 0; i < argc; i++)
- Check_SafeStr(argv[i]);
+ if (TYPE(argv[0]) == T_ARRAY) {
+ if (RARRAY(argv[0])->len != 2) {
+ ArgError("wrong first argument");
+ }
+ prog = RARRAY(argv[0])->ptr[0];
+ argv[0] = RARRAY(argv[0])->ptr[1];
+ }
- state = argc == 1 ? proc_spawn(RSTRING(argv[0])->ptr) : proc_spawn_n(argc, argv) ;
+ if (argc == 1 && prog == 0) {
+ state = proc_spawn(RSTRING(argv[0])->ptr);
+ }
+ else {
+ state = proc_spawn_n(argc, argv, prog);
+ }
last_status = state == -1 ? INT2FIX(127) : INT2FIX(state);
return state == 0 ? TRUE : FALSE ;
#else
+ VALUE prog = 0;
int i;
int pid;
@@ -627,18 +685,22 @@ f_system(argc, argv)
return INT2FIX(0);
}
- for (i=0; i<argc; i++) {
- Check_SafeStr(argv[i]);
+ if (TYPE(argv[0]) == T_ARRAY) {
+ if (RARRAY(argv[0])->len != 2) {
+ ArgError("wrong first argument");
+ }
+ prog = RARRAY(argv[0])->ptr[0];
+ argv[0] = RARRAY(argv[0])->ptr[1];
}
retry:
switch (pid = vfork()) {
case 0:
- if (argc == 1) {
+ if (argc == 1 && prog == 0) {
rb_proc_exec(RSTRING(argv[0])->ptr);
}
else {
- proc_exec_n(argc, argv);
+ proc_exec_n(argc, argv, prog);
}
_exit(127);
break; /* not reached */
@@ -930,8 +992,6 @@ extern VALUE f_kill();
void
Init_process()
{
- extern VALUE mKernel;
-
rb_define_virtual_variable("$$", get_pid, 0);
rb_define_readonly_variable("$?", &last_status);
rb_define_global_function("exec", f_exec, -1);
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-19 05:43:36 +0000