/**
* execute a procedure
*/
int sblmgr_procexec(int lib_id, int index) {
#if defined(LNX_EXTLIB) || defined(WIN_EXTLIB)
slib_t *lib;
var_t ret;
slib_par_t *ptable = NULL;
int (*pexec) (int, int, slib_par_t *, var_t *);
int pcount = 0;
int success = 0;
if (lib_id < 0 || lib_id >= slib_count) {
return 0;
}
lib = &slib_table[lib_id];
pexec = slib_getoptptr(lib, "sblib_proc_exec");
if (pexec == NULL) {
return 0;
}
// build parameter table
ptable = malloc(sizeof(slib_par_t) * MAX_PARAM);
pcount = slib_build_ptable(ptable);
if (prog_error) {
slib_free_ptable(ptable, pcount);
free(ptable);
return 0;
}
// exec
v_init(&ret);
success = pexec(index - lib->first_proc, pcount, ptable, &ret);
// error
if (!success) {
if (ret.type == V_STR) {
err_throw("lib:%s: %s\n", lib->name, ret.v.p.ptr);
} else {
err_throw("lib:%s: Unspecified error\n", lib->name);
}
}
// clean-up
if (ptable) {
slib_free_ptable(ptable, pcount);
free(ptable);
}
v_free(&ret);
return success;
#else
return 0;
#endif
}
int prun(FAR char *exepath, size_t varsize, size_t strsize)
{
FAR struct pexec_s *st;
int errcode;
int ret = OK;
/* Load the POFF file into memory */
st = pload(exepath, varsize, varsize);
if (!st)
{
bdbg("ERROR: Could not load %s\n", exepath);
return -ENOEXEC;
}
bvdbg("Loaded %s\n", exepath);
/* Execute the P-Code program until a stopping condition occurs */
for (;;)
{
/* Execute the instruction; Check for exceptional conditions */
errcode = pexec(st);
if (errcode != eNOERROR)
{
break;
}
}
if (errcode != eEXIT)
{
/* REVISIT: Select a more appropriated return errocode */
bdbg("ERROR: Runtime error 0x%02x -- Execution Stopped\n", errcode);
ret = -ENOEXEC;
}
/* Clean up resources used by the interpreter */
bvdbg("Execution terminated\n");
pexec_release(st);
return ret;
}
/*
* Execute the shell command tree pointed to by t.
*/
static void
execute(struct tnode *t, int *pin, int *pout)
{
struct tnode *t1;
enum tnflags f;
pid_t cpid;
int i, pfd[2];
const char **gav;
const char *cmd, *p;
if (t == NULL)
return;
switch (t->ntype) {
case TLIST:
f = t->nflags & (FFIN | FPIN | FINTR);
if ((t1 = t->nleft) != NULL)
t1->nflags |= f;
execute(t1, NULL, NULL);
if ((t1 = t->nright) != NULL)
t1->nflags |= f;
execute(t1, NULL, NULL);
return;
case TPIPE:
if (pipe(pfd) == -1) {
err(SH_ERR, FMT1S, ERR_PIPE);
if (pin != NULL) {
(void)close(pin[0]);
(void)close(pin[1]);
}
return;
}
f = t->nflags;
if ((t1 = t->nleft) != NULL)
t1->nflags |= FPOUT | (f & (FFIN|FPIN|FINTR|FPRS));
execute(t1, pin, pfd);
if ((t1 = t->nright) != NULL)
t1->nflags |= FPIN | (f & (FAND|FPOUT|FINTR|FPRS));
execute(t1, pfd, pout);
(void)close(pfd[0]);
(void)close(pfd[1]);
return;
case TCOMMAND:
if (t->nav == NULL || t->nav[0] == NULL) {
/* should never (but can) be true */
err(SH_ERR, FMT1S, "execute: Invalid command");
return;
}
cmd = t->nav[0];
if (EQUAL(cmd, ":")) {
status = SH_TRUE;
return;
}
if (EQUAL(cmd, "chdir")) {
ascan(t->nav[1], &trim);
if (t->nav[1] == NULL)
err(SH_ERR, FMT2S, cmd, ERR_ARGCOUNT);
else if (chdir(t->nav[1]) == -1)
err(SH_ERR, FMT2S, cmd, ERR_BADDIR);
else
status = SH_TRUE;
return;
}
if (EQUAL(cmd, "exit")) {
if (prompt == NULL) {
(void)lseek(FD0, (off_t)0, SEEK_END);
EXIT(status);
}
return;
}
if (EQUAL(cmd, "login") || EQUAL(cmd, "newgrp")) {
if (prompt != NULL) {
p = (*cmd == 'l') ? PATH_LOGIN : PATH_NEWGRP;
vscan(t->nav, &trim);
(void)sasignal(SIGINT, SIG_DFL);
(void)sasignal(SIGQUIT, SIG_DFL);
(void)pexec(p, (char *const *)t->nav);
(void)sasignal(SIGINT, SIG_IGN);
(void)sasignal(SIGQUIT, SIG_IGN);
}
err(SH_ERR, FMT2S, cmd, ERR_EXEC);
return;
}
if (EQUAL(cmd, "shift")) {
if (dolc > 1) {
dolv = &dolv[1];
dolc--;
status = SH_TRUE;
return;
}
err(SH_ERR, FMT2S, cmd, ERR_NOARGS);
return;
}
if (EQUAL(cmd, "wait")) {
pwait(-1);
return;
}
/*FALLTHROUGH*/
case TSUBSHELL:
f = t->nflags;
if ((cpid = ((f & FNOFORK) != 0) ? 0 : fork()) == -1) {
err(SH_ERR, FMT1S, ERR_FORK);
return;
}
/**** Parent! ****/
if (cpid != 0) {
if (pin != NULL && (f & FPIN) != 0) {
(void)close(pin[0]);
(void)close(pin[1]);
}
if ((f & FPRS) != 0)
fd_print(FD2, "%u\n", (unsigned)cpid);
if ((f & FAND) != 0)
return;
if ((f & FPOUT) == 0)
pwait(cpid);
return;
}
/**** Child! ****/
/*
* Redirect (read) input from pipe.
*/
if (pin != NULL && (f & FPIN) != 0) {
if (dup2(pin[0], FD0) == -1)
err(FC_ERR, FMT1S, strerror(errno));
(void)close(pin[0]);
(void)close(pin[1]);
}
/*
* Redirect (write) output to pipe.
*/
if (pout != NULL && (f & FPOUT) != 0) {
if (dup2(pout[1], FD1) == -1)
err(FC_ERR, FMT1S, strerror(errno));
(void)close(pout[0]);
(void)close(pout[1]);
}
/*
* Redirect (read) input from file.
*/
if (t->nfin != NULL && (f & FPIN) == 0) {
f |= FFIN;
ascan(t->nfin, &trim);
if ((i = open(t->nfin, O_RDONLY)) == -1)
err(FC_ERR, FMT2S, t->nfin, ERR_OPEN);
if (dup2(i, FD0) == -1)
err(FC_ERR, FMT1S, strerror(errno));
(void)close(i);
}
/*
* Redirect (write) output to file.
*/
if (t->nfout != NULL && (f & FPOUT) == 0) {
if ((f & FCAT) != 0)
i = O_WRONLY | O_APPEND | O_CREAT;
else
i = O_WRONLY | O_TRUNC | O_CREAT;
ascan(t->nfout, &trim);
if ((i = open(t->nfout, i, 0666)) == -1)
err(FC_ERR, FMT2S, t->nfout, ERR_CREATE);
if (dup2(i, FD1) == -1)
err(FC_ERR, FMT1S, strerror(errno));
(void)close(i);
}
/*
* Set the action for the SIGINT and SIGQUIT signals, and
* redirect input for `&' commands from `/dev/null' if needed.
*/
if ((f & FINTR) != 0) {
(void)sasignal(SIGINT, SIG_IGN);
(void)sasignal(SIGQUIT, SIG_IGN);
if (t->nfin == NULL && (f & (FFIN|FPIN|FPRS)) == FPRS) {
(void)close(FD0);
if (open("/dev/null", O_RDONLY) != FD0)
err(FC_ERR,FMT2S,"/dev/null",ERR_OPEN);
}
} else {
if ((sig_child & S_SIGINT) != 0)
(void)sasignal(SIGINT, SIG_DFL);
if ((sig_child & S_SIGQUIT) != 0)
(void)sasignal(SIGQUIT, SIG_DFL);
}
/* Set the SIGTERM signal to its default action if needed. */
if ((sig_child & S_SIGTERM) != 0)
(void)sasignal(SIGTERM, SIG_DFL);
if (t->ntype == TSUBSHELL) {
if ((t1 = t->nsub) != NULL)
t1->nflags |= (f & (FFIN | FPIN | FINTR));
execute(t1, NULL, NULL);
_exit(status);
}
glob_flag = false;
vscan(t->nav, &tglob);
if (glob_flag) {
for (i = 0; t->nav[i] != NULL; i++)
; /* nothing */
#ifdef DEBUG
#ifdef DEBUG_GLOB
fd_print(FD2, "execute: i == %2d;\n", i);
fd_print(FD2, " : (i + 2) == %2d;\n", (i + 2));
fd_print(FD2, " : (i + 1) == %2d;\n", (i + 1));
#endif
#endif
gav = xmalloc((i + 2) * sizeof(char *));
gav[0] = "glob6";
cmd = gav[0];
(void)memcpy(&gav[1], t->nav, (i + 1) * sizeof(char *));
#ifdef DEBUG
#ifdef DEBUG_GLOB
for (i = 0; gav[i] != NULL; i++)
fd_print(FD2, " : gav[%2d] == %s;\n",
i, gav[i]);
fd_print(FD2, " : gav[%2d] == NULL;\n", i);
#endif
#endif
(void)err_pexec(cmd, (char *const *)gav);
} else {
vscan(t->nav, &trim);
cmd = t->nav[0];
(void)err_pexec(cmd, (char *const *)t->nav);
}
/*NOTREACHED*/
}
}
void linux_hotplug_hotplug_event_handler (struct einit_event *ev) {
if (ev->stringset) {
char *subsystem = NULL;
char *firmware = NULL;
char *devpath = NULL;
int i = 0;
struct cfgnode *node = cfg_getnode ("configuration-system-hotplug-support-legacy-hotplug-scripts", NULL);
for (; ev->stringset[i]; i+=2) {
if (strmatch (ev->stringset[i], "SUBSYSTEM")) {
subsystem = ev->stringset[i+1];
} else if (strmatch (ev->stringset[i], "FIRMWARE")) {
firmware = ev->stringset[i+1];
} else if (strmatch (ev->stringset[i], "DEVPATH")) {
devpath = ev->stringset[i+1];
}
}
if (node && node->flag) {
char **commands = NULL;
if (subsystem) {
char n = 0;
for (; n < 2; n++) {
char buffer[BUFFERSIZE];
char *tbuffer = (n == 1) ? "/etc/einit/hotplug.d/default/" : NULL;
switch (n) {
case 0:
esprintf(buffer, BUFFERSIZE, "/etc/einit/hotplug.d/%s/", subsystem);
tbuffer = buffer;
break;
case 1:
break;
default:
tbuffer = NULL;
break;
}
if (tbuffer) {
struct stat st;
if (!stat (tbuffer, &st) && S_ISDIR(st.st_mode)) {
char **cm = readdirfilter (NULL, tbuffer, "\\.hotplug$", NULL, 0);
if (cm) {
commands = (char **)setcombine_nc ((void **)commands, (const void **)cm, SET_TYPE_STRING);
efree (cm);
}
}
}
}
}
if (commands) {
char **env = NULL;
char *command;
ssize_t blen = strlen (subsystem) + 2;
char **cd = NULL;
for (i = 0; ev->stringset[i]; i+=2) {
env = straddtoenviron (env, ev->stringset[i], ev->stringset[i+1]);
}
for (i = 0; commands[i]; i++) {
int len = blen + strlen (commands[i]);
char *t = emalloc (len);
esprintf (t, len, "%s %s", commands[i], subsystem);
cd = set_str_add (cd, t);
efree (t);
}
if (cd) {
command = set2str (';', (const char **)cd);
pexec(command, NULL, 0, 0, NULL, NULL, env, NULL);
efree (cd);
efree (command);
}
efree (env);
efree (commands);
}
}
if (firmware && (ev->type == einit_hotplug_add)) {
char buffer[BUFFERSIZE];
int tblen = sizeof(SYS_DIR) + strlen (devpath) + 11;
FILE *f;
struct stat st;
char *targetbuffer = emalloc (tblen);
notice (2, "need firmware: %s", firmware);
esprintf (buffer, BUFFERSIZE, FIRMWARE_DIR "/%s", firmware);
if (stat (buffer, &st)) {
esprintf (targetbuffer, tblen, SYS_DIR "/%s/loading", devpath);
if ((f = fopen (targetbuffer, "w"))) {
fputs ("-1\n", f);
fclose (f);
}
notice (3, "can't locate firmware: %s", buffer);
} else {
esprintf (targetbuffer, tblen, SYS_DIR "/%s/loading", devpath);
if ((f = fopen (targetbuffer, "w"))) {
fputs ("1\n", f);
fclose (f);
}
esprintf (targetbuffer, tblen, SYS_DIR "/%s/data", devpath);
ssize_t ll = 0;
char *firmware_data = readfile_l (buffer, &ll);
if (firmware_data && ll) {
if ((f = fopen (targetbuffer, "w"))) {
int rembytes = ll;
while (rembytes > 0) {
size_t bw = fwrite (firmware_data +ll -rembytes, rembytes, 1, f);
if (bw == 1) break;
if (bw < 0) {
notice (3, "error writing firmware: %s", buffer);
}
}
fclose (f);
}
esprintf (targetbuffer, tblen, SYS_DIR "/%s/loading", devpath);
if ((f = fopen (targetbuffer, "w"))) {
fputs ("0\n", f);
fclose (f);
}
notice (3, "firmware loaded okay: %s", buffer);
} else {
esprintf (targetbuffer, tblen, SYS_DIR "/%s/loading", devpath);
if ((f = fopen (targetbuffer, "w"))) {
fputs ("-1\n", f);
fclose (f);
}
notice (3, "can't load firmware: %s", buffer);
}
}
notice (3, "done loading firmware: %s", buffer);
efree (targetbuffer);
}
}
}
/*
* Execute a file or path name w/ error handling.
* This function never returns.
*/
void
err_pexec(const char *file, char *const *argv)
{
long l;
const char *f, *n;
(void)pexec(file, argv);
#ifdef DEBUG
fd_print(FD2, "err_pexec: strerror(errno) == %s;\n", strerror(errno));
#endif
f = (file == NULL) ? "(null)" : file;
n = getmyname();
if (EQUAL(n, "glob6")) {
if (errno == ENOEXEC)
err(SH_ERR, FMT1S, ERR_NOSHELL);
if (errno == E2BIG)
err(SH_ERR, FMT1S, ERR_E2BIG);
err(SH_ERR, FMT1S, ERR_GNOTFOUND);
} else if (EQUAL(n, "sh6")) {
if (errno == ENOEXEC)
err(125, FMT1S, ERR_NOSHELL);
if (errno == E2BIG)
err(126, FMT2S, f, ERR_E2BIG);
if (errno != ENOENT && errno != ENOTDIR)
err(126, FMT2S, f, ERR_EXEC);
err(127, FMT2S, f, ERR_NOTFOUND);
} else {
l = no_lnum ? -1 : get_lnum();
if (name != NULL) {
if (l != -1) {
if (errno == ENOEXEC)
err(125,FMT4LS,n,name,l,f, ERR_NOSHELL);
if (errno == E2BIG)
err(126,FMT4LS,n,name, l, f, ERR_E2BIG);
if (errno != ENOENT && errno != ENOTDIR)
err(126,FMT4LS,n, name, l, f, ERR_EXEC);
err(127, FMT4LS, n, name, l, f, ERR_NOTFOUND);
} else {
if (errno == ENOEXEC)
err(125,FMT4S, n, name, f, ERR_NOSHELL);
if (errno == E2BIG)
err(126, FMT4S, n, name, f, ERR_E2BIG);
if (errno != ENOENT && errno != ENOTDIR)
err(126, FMT4S, n, name, f, ERR_EXEC);
err(127, FMT4S, n, name, f, ERR_NOTFOUND);
}
} else {
if (l != -1) {
if (errno == ENOEXEC)
err(125, FMT3LFS, n, l, f, ERR_NOSHELL);
if (errno == E2BIG)
err(126, FMT3LFS, n, l, f, ERR_E2BIG);
if (errno != ENOENT && errno != ENOTDIR)
err(126, FMT3LFS, n, l, f, ERR_EXEC);
err(127, FMT3LFS, n, l, f, ERR_NOTFOUND);
} else {
if (errno == ENOEXEC)
err(125, FMT3S, n, f, ERR_NOSHELL);
if (errno == E2BIG)
err(126, FMT3S, n, f, ERR_E2BIG);
if (errno != ENOENT && errno != ENOTDIR)
err(126, FMT3S, n, f, ERR_EXEC);
err(127, FMT3S, n, f, ERR_NOTFOUND);
}
}
}
}
void *linux_kernel_modules_load_exec (void *c) {
pexec (c, NULL, 0, 0, NULL, NULL, NULL, NULL);
return NULL;
}