diff options
Diffstat (limited to 'package/lua/patches/400-luaposix_5.1.4-embedded.patch')
-rw-r--r-- | package/lua/patches/400-luaposix_5.1.4-embedded.patch | 1448 |
1 files changed, 0 insertions, 1448 deletions
diff --git a/package/lua/patches/400-luaposix_5.1.4-embedded.patch b/package/lua/patches/400-luaposix_5.1.4-embedded.patch deleted file mode 100644 index 22c546c8fc..0000000000 --- a/package/lua/patches/400-luaposix_5.1.4-embedded.patch +++ /dev/null @@ -1,1448 +0,0 @@ ---- a/src/Makefile -+++ b/src/Makefile -@@ -12,7 +12,7 @@ CFLAGS= -O2 -Wall $(MYCFLAGS) - AR= ar rcu - RANLIB= ranlib - RM= rm -f --LIBS= -lm $(MYLIBS) -+LIBS= -lm -lcrypt $(MYLIBS) - - MYCFLAGS= - MYLDFLAGS= -@@ -29,7 +29,7 @@ CORE_O= lapi.o lcode.o ldebug.o ldo.o ld - lobject.o lopcodes.o lparser.o lstate.o lstring.o ltable.o ltm.o \ - lundump.o lvm.o lzio.o lnum.o - LIB_O= lauxlib.o lbaselib.o ldblib.o liolib.o lmathlib.o loslib.o ltablib.o \ -- lstrlib.o loadlib.o linit.o -+ lstrlib.o loadlib.o linit.o lposix.o - - LUA_T= lua - LUA_O= lua.o ---- a/src/linit.c -+++ b/src/linit.c -@@ -23,6 +23,7 @@ static const luaL_Reg lualibs[] = { - {LUA_STRLIBNAME, luaopen_string}, - {LUA_MATHLIBNAME, luaopen_math}, - {LUA_DBLIBNAME, luaopen_debug}, -+ {LUA_POSIXLIBNAME, luaopen_posix}, - {NULL, NULL} - }; - ---- /dev/null -+++ b/src/lposix.c -@@ -0,0 +1,1139 @@ -+/* -+* lposix.c -+* POSIX library for Lua 5.1. -+* Luiz Henrique de Figueiredo <lhf@tecgraf.puc-rio.br> -+* 07 Apr 2006 23:17:49 -+* Clean up and bug fixes by Leo Razoumov <slonik.az@gmail.com> 2006-10-11 <!LR> -+* Based on original by Claudio Terra for Lua 3.x. -+* With contributions by Roberto Ierusalimschy. -+*/ -+ -+#include <sys/stat.h> -+#include <sys/times.h> -+#include <sys/types.h> -+#include <sys/utsname.h> -+#include <sys/wait.h> -+ -+#include <dirent.h> -+#include <errno.h> -+#include <fcntl.h> -+#include <glob.h> -+#include <grp.h> -+#include <libgen.h> -+#include <limits.h> -+#include <poll.h> -+#include <pwd.h> -+#include <signal.h> -+#include <stdio.h> -+#include <stdlib.h> -+#include <string.h> -+#include <syslog.h> -+#include <time.h> -+#include <unistd.h> -+#include <utime.h> -+ -+#define MYNAME "posix" -+#define MYVERSION MYNAME " library for " LUA_VERSION " / Jan 2008" -+ -+#ifndef ENABLE_SYSLOG -+#define ENABLE_SYSLOG 1 -+#endif -+ -+#include "lua.h" -+#include "lualib.h" -+#include "lauxlib.h" -+ -+#include "modemuncher.c" -+ -+/* compatibility with Lua 5.0 */ -+#ifndef LUA_VERSION_NUM -+static int luaL_checkoption (lua_State *L, int narg, const char *def, -+ const char *const lst[]) { -+ const char *name = (def) ? luaL_optstring(L, narg, def) : -+ luaL_checkstring(L, narg); -+ int i = luaL_findstring(name, lst); -+ if (i == -1) -+ luaL_argerror(L, narg, lua_pushfstring(L, "invalid option '%s'", name)); -+ return i; -+} -+#define lua_pushinteger lua_pushnumber -+#define lua_createtable(L,a,r) lua_newtable(L) -+#define LUA_FILEHANDLE "FILE*" -+ -+#define lua_setfield(l,i,k) -+#define lua_getfield(l,i,k) -+ -+#endif -+ -+static const struct { char c; mode_t b; } M[] = -+{ -+ {'r', S_IRUSR}, {'w', S_IWUSR}, {'x', S_IXUSR}, -+ {'r', S_IRGRP}, {'w', S_IWGRP}, {'x', S_IXGRP}, -+ {'r', S_IROTH}, {'w', S_IWOTH}, {'x', S_IXOTH}, -+}; -+ -+ -+static void pushmode(lua_State *L, mode_t mode) -+{ -+ char m[9]; -+ int i; -+ for (i=0; i<9; i++) m[i]= (mode & M[i].b) ? M[i].c : '-'; -+ if (mode & S_ISUID) m[2]= (mode & S_IXUSR) ? 's' : 'S'; -+ if (mode & S_ISGID) m[5]= (mode & S_IXGRP) ? 's' : 'S'; -+ lua_pushlstring(L, m, 9); -+} -+ -+typedef void (*Selector)(lua_State *L, int i, const void *data); -+ -+static int doselection(lua_State *L, int i, int n, -+ const char *const S[], -+ Selector F, -+ const void *data) -+{ -+ if (lua_isnone(L, i) || lua_istable(L, i)) -+ { -+ int j; -+ if (lua_isnone(L, i)) lua_createtable(L,0,n); else lua_settop(L, i); -+ for (j=0; S[j]!=NULL; j++) -+ { -+ lua_pushstring(L, S[j]); -+ F(L, j, data); -+ lua_settable(L, -3); -+ } -+ return 1; -+ } -+ else -+ { -+ int k,n=lua_gettop(L); -+ for (k=i; k<=n; k++) -+ { -+ int j=luaL_checkoption(L, k, NULL, S); -+ F(L, j, data); -+ lua_replace(L, k); -+ } -+ return n-i+1; -+ } -+} -+#define doselection(L,i,S,F,d) (doselection)(L,i,sizeof(S)/sizeof(*S)-1,S,F,d) -+ -+static int pusherror(lua_State *L, const char *info) -+{ -+ lua_pushnil(L); -+ if (info==NULL) -+ lua_pushstring(L, strerror(errno)); -+ else -+ lua_pushfstring(L, "%s: %s", info, strerror(errno)); -+ lua_pushinteger(L, errno); -+ return 3; -+} -+ -+static int pushresult(lua_State *L, int i, const char *info) -+{ -+ if (i==-1) return pusherror(L, info); -+ lua_pushinteger(L, i); -+ return 1; -+} -+ -+static void badoption(lua_State *L, int i, const char *what, int option) -+{ -+ luaL_argerror(L, 2, -+ lua_pushfstring(L, "unknown %s option '%c'", what, option)); -+} -+ -+static uid_t mygetuid(lua_State *L, int i) -+{ -+ if (lua_isnone(L, i)) -+ return -1; -+ else if (lua_isnumber(L, i)) -+ return (uid_t) lua_tonumber(L, i); -+ else if (lua_isstring(L, i)) -+ { -+ struct passwd *p=getpwnam(lua_tostring(L, i)); -+ return (p==NULL) ? -1 : p->pw_uid; -+ } -+ else -+ return luaL_typerror(L, i, "string or number"); -+} -+ -+static gid_t mygetgid(lua_State *L, int i) -+{ -+ if (lua_isnone(L, i)) -+ return -1; -+ else if (lua_isnumber(L, i)) -+ return (gid_t) lua_tonumber(L, i); -+ else if (lua_isstring(L, i)) -+ { -+ struct group *g=getgrnam(lua_tostring(L, i)); -+ return (g==NULL) ? -1 : g->gr_gid; -+ } -+ else -+ return luaL_typerror(L, i, "string or number"); -+} -+ -+ -+static int Perrno(lua_State *L) /** errno([n]) */ -+{ -+ int n = luaL_optint(L, 1, errno); -+ lua_pushstring(L, strerror(n)); -+ lua_pushinteger(L, n); -+ return 2; -+} -+ -+ -+static int Pbasename(lua_State *L) /** basename(path) */ -+{ -+ char b[PATH_MAX]; -+ size_t len; -+ const char *path = luaL_checklstring(L, 1, &len); -+ if (len>=sizeof(b)) luaL_argerror(L, 1, "too long"); -+ lua_pushstring(L, basename(strcpy(b,path))); -+ return 1; -+} -+ -+ -+static int Pdirname(lua_State *L) /** dirname(path) */ -+{ -+ char b[PATH_MAX]; -+ size_t len; -+ const char *path = luaL_checklstring(L, 1, &len); -+ if (len>=sizeof(b)) luaL_argerror(L, 1, "too long"); -+ lua_pushstring(L, dirname(strcpy(b,path))); -+ return 1; -+} -+ -+ -+static int Pdir(lua_State *L) /** dir([path]) */ -+{ -+ const char *path = luaL_optstring(L, 1, "."); -+ DIR *d = opendir(path); -+ if (d == NULL) -+ return pusherror(L, path); -+ else -+ { -+ int i; -+ struct dirent *entry; -+ lua_newtable(L); -+ for (i=1; (entry = readdir(d)) != NULL; i++) -+ { -+ lua_pushstring(L, entry->d_name); -+ lua_rawseti(L, -2, i); -+ } -+ closedir(d); -+ lua_pushinteger(L, i-1); -+ return 2; -+ } -+} -+ -+static int Pglob(lua_State *L) /** glob(pattern) */ -+{ -+ const char *pattern = luaL_optstring(L, 1, "*"); -+ glob_t globres; -+ -+ if (glob(pattern, 0, NULL, &globres)) -+ return pusherror(L, pattern); -+ else -+ { -+ int i; -+ lua_newtable(L); -+ for (i=1; i<=globres.gl_pathc; i++) { -+ lua_pushstring(L, globres.gl_pathv[i-1]); -+ lua_rawseti(L, -2, i); -+ } -+ globfree(&globres); -+ return 1; -+ } -+} -+ -+static int aux_files(lua_State *L) -+{ -+ DIR **p = (DIR **)lua_touserdata(L, lua_upvalueindex(1)); -+ DIR *d = *p; -+ struct dirent *entry; -+ if (d == NULL) return 0; -+ entry = readdir(d); -+ if (entry == NULL) -+ { -+ closedir(d); -+ *p=NULL; -+ return 0; -+ } -+ else -+ { -+ lua_pushstring(L, entry->d_name); -+ return 1; -+ } -+} -+ -+static int dir_gc (lua_State *L) -+{ -+ DIR *d = *(DIR **)lua_touserdata(L, 1); -+ if (d!=NULL) closedir(d); -+ return 0; -+} -+ -+static int Pfiles(lua_State *L) /** files([path]) */ -+{ -+ const char *path = luaL_optstring(L, 1, "."); -+ DIR **d = (DIR **)lua_newuserdata(L, sizeof(DIR *)); -+ if (luaL_newmetatable(L, MYNAME " dir handle")) -+ { -+ lua_pushliteral(L, "__gc"); -+ lua_pushcfunction(L, dir_gc); -+ lua_settable(L, -3); -+ } -+ lua_setmetatable(L, -2); -+ *d = opendir(path); -+ if (*d == NULL) return pusherror(L, path); -+ lua_pushcclosure(L, aux_files, 1); -+ return 1; -+} -+ -+ -+static int Pgetcwd(lua_State *L) /** getcwd() */ -+{ -+ char b[PATH_MAX]; -+ if (getcwd(b, sizeof(b)) == NULL) return pusherror(L, "."); -+ lua_pushstring(L, b); -+ return 1; -+} -+ -+ -+static int Pmkdir(lua_State *L) /** mkdir(path) */ -+{ -+ const char *path = luaL_checkstring(L, 1); -+ return pushresult(L, mkdir(path, 0777), path); -+} -+ -+ -+static int Pchdir(lua_State *L) /** chdir(path) */ -+{ -+ const char *path = luaL_checkstring(L, 1); -+ return pushresult(L, chdir(path), path); -+} -+ -+static int Prmdir(lua_State *L) /** rmdir(path) */ -+{ -+ const char *path = luaL_checkstring(L, 1); -+ return pushresult(L, rmdir(path), path); -+} -+ -+ -+static int Punlink(lua_State *L) /** unlink(path) */ -+{ -+ const char *path = luaL_checkstring(L, 1); -+ return pushresult(L, unlink(path), path); -+} -+ -+static int Plink(lua_State *L) /** link(old,new,[symbolic]) */ -+{ -+ const char *oldpath = luaL_checkstring(L, 1); -+ const char *newpath = luaL_checkstring(L, 2); -+ return pushresult(L, -+ (lua_toboolean(L,3) ? symlink : link)(oldpath, newpath), NULL); -+} -+ -+ -+static int Preadlink(lua_State *L) /** readlink(path) */ -+{ -+ char b[PATH_MAX]; -+ const char *path = luaL_checkstring(L, 1); -+ int n = readlink(path, b, sizeof(b)); -+ if (n==-1) return pusherror(L, path); -+ lua_pushlstring(L, b, n); -+ return 1; -+} -+ -+ -+static int Paccess(lua_State *L) /** access(path,[mode]) */ -+{ -+ int mode=F_OK; -+ const char *path=luaL_checkstring(L, 1); -+ const char *s; -+ for (s=luaL_optstring(L, 2, "f"); *s!=0 ; s++) -+ switch (*s) -+ { -+ case ' ': break; -+ case 'r': mode |= R_OK; break; -+ case 'w': mode |= W_OK; break; -+ case 'x': mode |= X_OK; break; -+ case 'f': mode |= F_OK; break; -+ default: badoption(L, 2, "mode", *s); break; -+ } -+ return pushresult(L, access(path, mode), path); -+} -+ -+ -+static int myfclose (lua_State *L) { -+ FILE **p = (FILE **)lua_touserdata(L, 1); -+ int rc = fclose(*p); -+ if (rc == 0) *p = NULL; -+ return pushresult(L, rc, NULL); -+} -+ -+static int pushfile (lua_State *L, int id, const char *mode) { -+ FILE **f = (FILE **)lua_newuserdata(L, sizeof(FILE *)); -+ *f = NULL; -+ luaL_getmetatable(L, LUA_FILEHANDLE); -+ lua_setmetatable(L, -2); -+ lua_getfield(L, LUA_REGISTRYINDEX, "POSIX_PIPEFILE"); -+ if (lua_isnil(L, -1)) { -+ lua_pop(L, 1); -+ lua_newtable(L); -+ lua_pushvalue(L, -1); -+ lua_pushcfunction(L, myfclose); -+ lua_setfield(L, -2, "__close"); -+ lua_setfield(L, LUA_REGISTRYINDEX, "POSIX_PIPEFILE"); -+ } -+ lua_setfenv(L, -2); -+ *f = fdopen(id, mode); -+ return (*f != NULL); -+} -+ -+static int Ppipe(lua_State *L) /** pipe() */ -+{ -+ int fd[2]; -+ if (pipe(fd)==-1) return pusherror(L, NULL); -+ if (!pushfile(L, fd[0], "r") || !pushfile(L, fd[1], "w")) -+ return pusherror(L, "pipe"); -+ return 2; -+} -+ -+ -+static int Pfileno(lua_State *L) /** fileno(filehandle) */ -+{ -+ FILE *f = *(FILE**) luaL_checkudata(L, 1, LUA_FILEHANDLE); -+ return pushresult(L, fileno(f), NULL); -+} -+ -+ -+static int Pfdopen(lua_State *L) /** fdopen(fd, mode) */ -+{ -+ int fd = luaL_checkint(L, 1); -+ const char *mode = luaL_checkstring(L, 2); -+ if (!pushfile(L, fd, mode)) -+ return pusherror(L, "fdpoen"); -+ return 1; -+} -+ -+ -+/* helper func for Pdup */ -+static const char *filemode(int fd) -+{ -+ const char *m; -+ int mode = fcntl(fd, F_GETFL); -+ if (mode < 0) -+ return NULL; -+ switch (mode & O_ACCMODE) { -+ case O_RDONLY: m = "r"; break; -+ case O_WRONLY: m = "w"; break; -+ default: m = "rw"; break; -+ } -+ return m; -+} -+ -+static int Pdup(lua_State *L) /** dup(old,[new]) */ -+{ -+ FILE **oldf = (FILE**)luaL_checkudata(L, 1, LUA_FILEHANDLE); -+ FILE **newf = (FILE **)lua_touserdata(L, 2); -+ int fd; -+ const char *msg = "dup2"; -+ fflush(*newf); -+ if (newf == NULL) { -+ fd = dup(fileno(*oldf)); -+ msg = "dup"; -+ } else { -+ fflush(*newf); -+ fd = dup2(fileno(*oldf), fileno(*newf)); -+ } -+ -+ if ((fd < 0) || !pushfile(L, fd, filemode(fd))) -+ return pusherror(L, msg); -+ return 1; -+} -+ -+ -+static int Pmkfifo(lua_State *L) /** mkfifo(path) */ -+{ -+ const char *path = luaL_checkstring(L, 1); -+ return pushresult(L, mkfifo(path, 0777), path); -+} -+ -+ -+static int runexec(lua_State *L, int use_shell) -+{ -+ const char *path = luaL_checkstring(L, 1); -+ int i,n=lua_gettop(L); -+ char **argv = lua_newuserdata(L,(n+1)*sizeof(char*)); -+ argv[0] = (char*)path; -+ for (i=1; i<n; i++) argv[i] = (char*)luaL_checkstring(L, i+1); -+ argv[n] = NULL; -+ if (use_shell) { -+ execvp(path, argv); -+ } else { -+ execv(path, argv); -+ } -+ return pusherror(L, path); -+} -+ -+ -+static int Pexec(lua_State *L) /** exec(path,[args]) */ -+{ -+ return runexec(L, 0); -+} -+ -+ -+static int Pexecp(lua_State *L) /** execp(path,[args]) */ -+{ -+ return runexec(L, 1); -+} -+ -+ -+static int Pfork(lua_State *L) /** fork() */ -+{ -+ return pushresult(L, fork(), NULL); -+} -+ -+/* from http://lua-users.org/lists/lua-l/2007-11/msg00346.html */ -+static int Ppoll(lua_State *L) /** poll(filehandle, timeout) */ -+{ -+ struct pollfd fds; -+ FILE* file = *(FILE**)luaL_checkudata(L,1,LUA_FILEHANDLE); -+ int timeout = luaL_checkint(L,2); -+ fds.fd = fileno(file); -+ fds.events = POLLIN; -+ return pushresult(L, poll(&fds,1,timeout), NULL); -+} -+ -+static int Pwait(lua_State *L) /** wait([pid]) */ -+{ -+ int status; -+ pid_t pid = luaL_optint(L, 1, -1); -+ pid = waitpid(pid, &status, 0); -+ if (pid == -1) return pusherror(L, NULL); -+ lua_pushinteger(L, pid); -+ if (WIFEXITED(status)) -+ { -+ lua_pushliteral(L,"exited"); -+ lua_pushinteger(L, WEXITSTATUS(status)); -+ return 3; -+ } -+ else if (WIFSIGNALED(status)) -+ { -+ lua_pushliteral(L,"killed"); -+ lua_pushinteger(L, WTERMSIG(status)); -+ return 3; -+ } -+ else if (WIFSTOPPED(status)) -+ { -+ lua_pushliteral(L,"stopped"); -+ lua_pushinteger(L, WSTOPSIG(status)); -+ return 3; -+ } -+ return 1; -+} -+ -+ -+static int Pkill(lua_State *L) /** kill(pid,[sig]) */ -+{ -+ pid_t pid = luaL_checkint(L, 1); -+ int sig = luaL_optint(L, 2, SIGTERM); -+ return pushresult(L, kill(pid, sig), NULL); -+} -+ -+static int Psetpid(lua_State *L) /** setpid(option,...) */ -+{ -+ const char *what=luaL_checkstring(L, 1); -+ switch (*what) -+ { -+ case 'U': -+ return pushresult(L, seteuid(mygetuid(L, 2)), NULL); -+ case 'u': -+ return pushresult(L, setuid(mygetuid(L, 2)), NULL); -+ case 'G': -+ return pushresult(L, setegid(mygetgid(L, 2)), NULL); -+ case 'g': -+ return pushresult(L, setgid(mygetgid(L, 2)), NULL); -+ case 's': -+ return pushresult(L, setsid(), NULL); -+ case 'p': -+ { -+ pid_t pid = luaL_checkint(L, 2); -+ pid_t pgid = luaL_checkint(L, 3); -+ return pushresult(L, setpgid(pid,pgid), NULL); -+ } -+ default: -+ badoption(L, 2, "id", *what); -+ return 0; -+ } -+} -+ -+ -+static int Psleep(lua_State *L) /** sleep(seconds) */ -+{ -+ unsigned int seconds = luaL_checkint(L, 1); -+ lua_pushinteger(L, sleep(seconds)); -+ return 1; -+} -+ -+ -+static int Psetenv(lua_State *L) /** setenv(name,value,[over]) */ -+{ -+ const char *name=luaL_checkstring(L, 1); -+ const char *value=luaL_optstring(L, 2, NULL); -+ if (value==NULL) -+ { -+ unsetenv(name); -+ return pushresult(L, 0, NULL); -+ } -+ else -+ { -+ int overwrite=lua_isnoneornil(L, 3) || lua_toboolean(L, 3); -+ return pushresult(L, setenv(name,value,overwrite), NULL); -+ } -+} -+ -+ -+static int Pgetenv(lua_State *L) /** getenv([name]) */ -+{ -+ if (lua_isnone(L, 1)) -+ { -+ extern char **environ; -+ char **e; -+ lua_newtable(L); -+ for (e=environ; *e!=NULL; e++) -+ { -+ char *s=*e; -+ char *eq=strchr(s, '='); -+ if (eq==NULL) /* will this ever happen? */ -+ { -+ lua_pushstring(L,s); -+ lua_pushboolean(L,1); -+ } -+ else -+ { -+ lua_pushlstring(L,s,eq-s); -+ lua_pushstring(L,eq+1); -+ } -+ lua_settable(L,-3); -+ } -+ } -+ else -+ lua_pushstring(L, getenv(luaL_checkstring(L, 1))); -+ return 1; -+} -+ -+static int Pumask(lua_State *L) /** umask([mode]) */ -+{/* <!LR> from old lposix-5.0 version */ -+ char m[10]; -+ mode_t mode; -+ umask(mode=umask(0)); -+ mode=(~mode)&0777; -+ if (!lua_isnone(L, 1)) -+ { -+ if (mode_munch(&mode, luaL_checkstring(L, 1))) -+ { -+ lua_pushnil(L); -+ return 1; -+ } -+ mode&=0777; -+ umask(~mode); -+ } -+ modechopper(mode, m); -+ lua_pushstring(L, m); -+ return 1; -+} -+ -+ -+static int Pchmod(lua_State *L) /** chmod(path,mode) */ -+{ -+ mode_t mode; -+ struct stat s; -+ const char *path = luaL_checkstring(L, 1); -+ const char *modestr = luaL_checkstring(L, 2); -+ if (stat(path, &s)) return pusherror(L, path); -+ mode = s.st_mode; -+ if (mode_munch(&mode, modestr)) luaL_argerror(L, 2, "bad mode"); -+ return pushresult(L, chmod(path, mode), path); -+} -+ -+ -+static int Pchown(lua_State *L) /** chown(path,uid,gid) */ -+{ -+ const char *path = luaL_checkstring(L, 1); -+ uid_t uid = mygetuid(L, 2); -+ gid_t gid = mygetgid(L, 3); -+ return pushresult(L, chown(path, uid, gid), path); -+} -+ -+ -+static int Putime(lua_State *L) /** utime(path,[mtime,atime]) */ -+{ -+ struct utimbuf times; -+ time_t currtime = time(NULL); -+ const char *path = luaL_checkstring(L, 1); -+ times.modtime = luaL_optnumber(L, 2, currtime); -+ times.actime = luaL_optnumber(L, 3, currtime); -+ return pushresult(L, utime(path, ×), path); -+} -+ -+ -+static void FgetID(lua_State *L, int i, const void *data) -+{ -+ switch (i) -+ { -+ case 0: lua_pushinteger(L, getegid()); break; -+ case 1: lua_pushinteger(L, geteuid()); break; -+ case 2: lua_pushinteger(L, getgid()); break; -+ case 3: lua_pushinteger(L, getuid()); break; -+ case 4: lua_pushinteger(L, getpgrp()); break; -+ case 5: lua_pushinteger(L, getpid()); break; -+ case 6: lua_pushinteger(L, getppid()); break; -+ } -+} -+ -+static const char *const SgetID[] = -+{ -+ "egid", "euid", "gid", "uid", "pgrp", "pid", "ppid", NULL -+}; -+ -+static int Pgetpid(lua_State *L) /** getpid([options]) */ -+{ -+ return doselection(L, 1, SgetID, FgetID, NULL); -+} -+ -+ -+static int Phostid(lua_State *L) /** hostid() */ -+{ -+ char b[32]; -+ sprintf(b,"%ld",gethostid()); -+ lua_pushstring(L, b); -+ return 1; -+} -+ -+ -+static int Pttyname(lua_State *L) /** ttyname([fd]) */ -+{ -+ int fd=luaL_optint(L, 1, 0); -+ lua_pushstring(L, ttyname(fd)); -+ return 1; -+} -+ -+ -+static int Pctermid(lua_State *L) /** ctermid() */ -+{ -+ char b[L_ctermid]; -+ lua_pushstring(L, ctermid(b)); -+ return 1; -+} -+ -+ -+static int Pgetlogin(lua_State *L) /** getlogin() */ -+{ -+ lua_pushstring(L, getlogin()); -+ return 1; -+} -+ -+ -+static void Fgetpasswd(lua_State *L, int i, const void *data) -+{ -+ const struct passwd *p=data; -+ switch (i) -+ { -+ case 0: lua_pushstring(L, p->pw_name); break; -+ case 1: lua_pushinteger(L, p->pw_uid); break; -+ case 2: lua_pushinteger(L, p->pw_gid); break; -+ case 3: lua_pushstring(L, p->pw_dir); break; -+ case 4: lua_pushstring(L, p->pw_shell); break; -+/* not strictly POSIX */ -+ case 5: lua_pushstring(L, p->pw_gecos); break; -+ case 6: lua_pushstring(L, p->pw_passwd); break; -+ } -+} -+ -+static const char *const Sgetpasswd[] = -+{ -+ "name", "uid", "gid", "dir", "shell", "gecos", "passwd", NULL -+}; -+ -+ -+static int Pgetpasswd(lua_State *L) /** getpasswd(name|id,[sel]) */ -+{ -+ struct passwd *p=NULL; -+ if (lua_isnoneornil(L, 1)) -+ p = getpwuid(geteuid()); -+ else if (lua_isnumber(L, 1)) -+ p = getpwuid((uid_t)lua_tonumber(L, 1)); -+ else if (lua_isstring(L, 1)) -+ p = getpwnam(lua_tostring(L, 1)); -+ else -+ luaL_typerror(L, 1, "string or number"); -+ if (p==NULL) -+ lua_pushnil(L); -+ else -+ return doselection(L, 2, Sgetpasswd, Fgetpasswd, p); -+ return 1; -+} -+ -+ -+static int Pgetgroup(lua_State *L) /** getgroup(name|id) */ -+{ -+ struct group *g=NULL; -+ if (lua_isnumber(L, 1)) -+ g = getgrgid((gid_t)lua_tonumber(L, 1)); -+ else if (lua_isstring(L, 1)) -+ g = getgrnam(lua_tostring(L, 1)); -+ else -+ luaL_typerror(L, 1, "string or number"); -+ if (g==NULL) -+ lua_pushnil(L); -+ else -+ { -+ int i; -+ lua_newtable(L); -+ lua_pushliteral(L, "name"); -+ lua_pushstring(L, g->gr_name); -+ lua_settable(L, -3); -+ lua_pushliteral(L, "gid"); -+ lua_pushinteger(L, g->gr_gid); -+ lua_settable(L, -3); -+ for (i=0; g->gr_mem[i]!=NULL; i++) -+ { -+ lua_pushstring(L, g->gr_mem[i]); -+ lua_rawseti(L, -2, i); -+ } -+ } -+ return 1; -+} -+ -+ -+struct mytimes -+{ -+ struct tms t; -+ clock_t elapsed; -+}; -+ -+/* #define pushtime(L,x) lua_pushnumber(L,((lua_Number)x)/CLOCKS_PER_SEC) */ -+#define pushtime(L,x) lua_pushnumber(L, ((lua_Number)x)/clk_tck) -+ -+static void Ftimes(lua_State *L, int i, const void *data) -+{ -+ static long clk_tck = 0; -+ const struct mytimes *t=data; -+ -+ if( !clk_tck){ clk_tck= sysconf(_SC_CLK_TCK);} -+ switch (i) -+ { -+ case 0: pushtime(L, t->t.tms_utime); break; -+ case 1: pushtime(L, t->t.tms_stime); break; -+ case 2: pushtime(L, t->t.tms_cutime); break; -+ case 3: pushtime(L, t->t.tms_cstime); break; -+ case 4: pushtime(L, t->elapsed); break; -+ } -+} -+ -+static const char *const Stimes[] = -+{ -+ "utime", "stime", "cutime", "cstime", "elapsed", NULL -+}; -+ -+static int Ptimes(lua_State *L) /** times([options]) */ -+{ -+ struct mytimes t; -+ t.elapsed = times(&t.t); -+ return doselection(L, 1, Stimes, Ftimes, &t); -+} -+ -+ -+static const char *filetype(mode_t m) -+{ -+ if (S_ISREG(m)) return "regular"; -+ else if (S_ISLNK(m)) return "link"; -+ else if (S_ISDIR(m)) return "directory"; -+ else if (S_ISCHR(m)) return "character device"; -+ else if (S_ISBLK(m)) return "block device"; -+ else if (S_ISFIFO(m)) return "fifo"; -+ else if (S_ISSOCK(m)) return "socket"; -+ else return "?"; -+} -+ -+static void Fstat(lua_State *L, int i, const void *data) -+{ -+ const struct stat *s=data; -+ switch (i) -+ { -+ case 0: pushmode(L, s->st_mode); break; -+ case 1: lua_pushinteger(L, s->st_ino); break; -+ case 2: lua_pushinteger(L, s->st_dev); break; -+ case 3: lua_pushinteger(L, s->st_nlink); break; -+ case 4: lua_pushinteger(L, s->st_uid); break; -+ case 5: lua_pushinteger(L, s->st_gid); break; -+ case 6: lua_pushinteger(L, s->st_size); break; -+ case 7: lua_pushinteger(L, s->st_atime); break; -+ case 8: lua_pushinteger(L, s->st_mtime); break; -+ case 9: lua_pushinteger(L, s->st_ctime); break; -+ case 10:lua_pushstring(L, filetype(s->st_mode)); break; -+ } -+} -+ -+static const char *const Sstat[] = -+{ -+ "mode", "ino", "dev", "nlink", "uid", "gid", -+ "size", "atime", "mtime", "ctime", "type", -+ NULL -+}; -+ -+static int Pstat(lua_State *L) /** stat(path,[options]) */ -+{ -+ struct stat s; -+ const char *path=luaL_checkstring(L, 1); -+ if (lstat(path,&s)==-1) return pusherror(L, path); -+ return doselection(L, 2, Sstat, Fstat, &s); -+} -+ -+ -+static int Puname(lua_State *L) /** uname([string]) */ -+{ -+ struct utsname u; -+ luaL_Buffer b; -+ const char *s; -+ if (uname(&u)==-1) return pusherror(L, NULL); -+ luaL_buffinit(L, &b); -+ for (s=luaL_optstring(L, 1, "%s %n %r %v %m"); *s; s++) -+ if (*s!='%') -+ luaL_putchar(&b, *s); -+ else switch (*++s) -+ { -+ case '%': luaL_putchar(&b, *s); break; -+ case 'm': luaL_addstring(&b,u.machine); break; -+ case 'n': luaL_addstring(&b,u.nodename); break; -+ case 'r': luaL_addstring(&b,u.release); break; -+ case 's': luaL_addstring(&b,u.sysname); break; -+ case 'v': luaL_addstring(&b,u.version); break; -+ default: badoption(L, 2, "format", *s); break; -+ } -+ luaL_pushresult(&b); -+ return 1; -+} -+ -+ -+static const int Kpathconf[] = -+{ -+ _PC_LINK_MAX, _PC_MAX_CANON, _PC_MAX_INPUT, _PC_NAME_MAX, _PC_PATH_MAX, -+ _PC_PIPE_BUF, _PC_CHOWN_RESTRICTED, _PC_NO_TRUNC, _PC_VDISABLE, -+ -1 -+}; -+ -+static void Fpathconf(lua_State *L, int i, const void *data) -+{ -+ const char *path=data; -+ lua_pushinteger(L, pathconf(path, Kpathconf[i])); -+} -+ -+static const char *const Spathconf[] = -+{ -+ "link_max", "max_canon", "max_input", "name_max", "path_max", -+ "pipe_buf", "chown_restricted", "no_trunc", "vdisable", -+ NULL -+}; -+ -+static int Ppathconf(lua_State *L) /** pathconf([path,options]) */ -+{ -+ const char *path = luaL_optstring(L, 1, "."); -+ return doselection(L, 2, Spathconf, Fpathconf, path); -+} -+ -+ -+static const int Ksysconf[] = -+{ -+ _SC_ARG_MAX, _SC_CHILD_MAX, _SC_CLK_TCK, _SC_NGROUPS_MAX, _SC_STREAM_MAX, -+ _SC_TZNAME_MAX, _SC_OPEN_MAX, _SC_JOB_CONTROL, _SC_SAVED_IDS, _SC_VERSION, -+ -1 -+}; -+ -+static void Fsysconf(lua_State *L, int i, const void *data) -+{ -+ lua_pushinteger(L, sysconf(Ksysconf[i])); -+} -+ -+static const char *const Ssysconf[] = -+{ -+ "arg_max", "child_max", "clk_tck", "ngroups_max", "stream_max", -+ "tzname_max", "open_max", "job_control", "saved_ids", "version", -+ NULL -+}; -+ -+static int Psysconf(lua_State *L) /** sysconf([options]) */ -+{ -+ return doselection(L, 1, Ssysconf, Fsysconf, NULL); -+} -+ -+#if ENABLE_SYSLOG -+/* syslog funcs */ -+static int Popenlog(lua_State *L) /** openlog(ident, [option], [facility]) */ -+{ -+ const char *ident = luaL_checkstring(L, 1); -+ int option = 0; -+ int facility = luaL_optint(L, 3, LOG_USER); -+ const char *s = luaL_optstring(L, 2, ""); -+ while (*s) { -+ switch (*s) { -+ case ' ': break; -+ case 'c': option |= LOG_CONS; break; -+ case 'n': option |= LOG_NDELAY; break; -+ case 'e': option |= LOG_PERROR; break; -+ case 'p': option |= LOG_PID; break; -+ default: badoption(L, 2, "option", *s); break; -+ } -+ s++; -+ } -+ openlog(ident, option, facility); -+ return 0; -+} -+ -+ -+static int Psyslog(lua_State *L) /** syslog(priority, message) */ -+{ -+ int priority = luaL_checkint(L, 1); -+ const char *msg = luaL_checkstring(L, 2); -+ syslog(priority, "%s", msg); -+ return 0; -+} -+ -+ -+static int Pcloselog(lua_State *L) /** closelog() */ -+{ -+ closelog(); -+ return 0; -+} -+#endif -+ -+/* -+ * XXX: GNU and BSD handle the forward declaration of crypt() in different -+ * and annoying ways (especially GNU). Declare it here just to make sure -+ * that it's there -+ */ -+char *crypt(const char *, const char *); -+ -+static int Pcrypt(lua_State *L) -+{ -+ const char *str, *salt; -+ char *res; -+ -+ str = luaL_checkstring(L, 1); -+ salt = luaL_checkstring(L, 2); -+ if (strlen(salt) < 2) -+ luaL_error(L, "not enough salt"); -+ -+ res = crypt(str, salt); -+ lua_pushstring(L, res); -+ -+ return 1; -+} -+ -+static const luaL_reg R[] = -+{ -+ {"access", Paccess}, -+ {"basename", Pbasename}, -+ {"chdir", Pchdir}, -+ {"chmod", Pchmod}, -+ {"chown", Pchown}, -+ {"crypt", Pcrypt}, -+ {"ctermid", Pctermid}, -+ {"dirname", Pdirname}, -+ {"dir", Pdir}, -+ {"dup", Pdup}, -+ {"errno", Perrno}, -+ {"exec", Pexec}, -+ {"execp", Pexecp}, -+ {"fdopen", Pfdopen}, -+ {"fileno", Pfileno}, -+ {"files", Pfiles}, -+ {"fork", Pfork}, -+ {"getcwd", Pgetcwd}, -+ {"getenv", Pgetenv}, -+ {"getgroup", Pgetgroup}, -+ {"getlogin", Pgetlogin}, -+ {"getpasswd", Pgetpasswd}, -+ {"getpid", Pgetpid}, -+ {"glob", Pglob}, -+ {"hostid", Phostid}, -+ {"kill", Pkill}, -+ {"link", Plink}, -+ {"mkdir", Pmkdir}, -+ {"mkfifo", Pmkfifo}, -+ {"pathconf", Ppathconf}, -+ {"pipe", Ppipe}, -+ {"readlink", Preadlink}, -+ {"rmdir", Prmdir}, -+ {"rpoll", Ppoll}, -+ {"setenv", Psetenv}, -+ {"setpid", Psetpid}, -+ {"sleep", Psleep}, -+ {"stat", Pstat}, -+ {"sysconf", Psysconf}, -+ {"times", Ptimes}, -+ {"ttyname", Pttyname}, -+ {"unlink", Punlink}, -+ {"umask", Pumask}, -+ {"uname", Puname}, -+ {"utime", Putime}, -+ {"wait", Pwait}, -+ -+#if ENABLE_SYSLOG -+ {"openlog", Popenlog}, -+ {"syslog", Psyslog}, -+ {"closelog", Pcloselog}, -+#endif -+ -+ {NULL, NULL} -+}; -+ -+#define set_const(key, value) \ -+ lua_pushliteral(L, key); \ -+ lua_pushnumber(L, value); \ -+ lua_settable(L, -3) -+ -+LUALIB_API int luaopen_posix (lua_State *L) -+{ -+ luaL_register(L,MYNAME,R); -+ lua_pushliteral(L,"version"); /** version */ -+ lua_pushliteral(L,MYVERSION); -+ lua_settable(L,-3); -+ -+#if ENABLE_SYSLOG -+ set_const("LOG_AUTH", LOG_AUTH); -+ set_const("LOG_AUTHPRIV", LOG_AUTHPRIV); -+ set_const("LOG_CRON", LOG_CRON); -+ set_const("LOG_DAEMON", LOG_DAEMON); -+ set_const("LOG_FTP", LOG_FTP); -+ set_const("LOG_KERN", LOG_KERN); -+ set_const("LOG_LOCAL0", LOG_LOCAL0); -+ set_const("LOG_LOCAL1", LOG_LOCAL1); -+ set_const("LOG_LOCAL2", LOG_LOCAL2); -+ set_const("LOG_LOCAL3", LOG_LOCAL3); -+ set_const("LOG_LOCAL4", LOG_LOCAL4); -+ set_const("LOG_LOCAL5", LOG_LOCAL5); -+ set_const("LOG_LOCAL6", LOG_LOCAL6); -+ set_const("LOG_LOCAL7", LOG_LOCAL7); -+ set_const("LOG_LPR", LOG_LPR); -+ set_const("LOG_MAIL", LOG_MAIL); -+ set_const("LOG_NEWS", LOG_NEWS); -+ set_const("LOG_SYSLOG", LOG_SYSLOG); -+ set_const("LOG_USER", LOG_USER); -+ set_const("LOG_UUCP", LOG_UUCP); -+ -+ set_const("LOG_EMERG", LOG_EMERG); -+ set_const("LOG_ALERT", LOG_ALERT); -+ set_const("LOG_CRIT", LOG_CRIT); -+ set_const("LOG_ERR", LOG_ERR); -+ set_const("LOG_WARNING", LOG_WARNING); -+ set_const("LOG_NOTICE", LOG_NOTICE); -+ set_const("LOG_INFO", LOG_INFO); -+ set_const("LOG_DEBUG", LOG_DEBUG); -+#endif -+ -+ -+ return 1; -+} -+ -+/*EOF*/ ---- a/src/lualib.h -+++ b/src/lualib.h -@@ -39,6 +39,9 @@ LUALIB_API int (luaopen_debug) (lua_Stat - #define LUA_LOADLIBNAME "package" - LUALIB_API int (luaopen_package) (lua_State *L); - -+#define LUA_POSIXLIBNAME "posix" -+LUALIB_API int (luaopen_posix) (lua_State *L); -+ - - /* open all previous libraries */ - LUALIB_API void (luaL_openlibs) (lua_State *L); ---- /dev/null -+++ b/src/modemuncher.c -@@ -0,0 +1,261 @@ -+/* -+ Mode Muncher -- modemuncher.c -+ 961110 Claudio Terra -+ -+ munch vb -+ [ME monchen, perh. influenced by MF mangier to eat --more at MANGER] -+ :to chew with a crunching sound: eat with relish -+ :to chew food with a crunching sound: eat food with relish -+ --munch-er n -+ -+ The NeXT Digital Edition of Webster's Ninth New Collegiate Dictionary -+ and Webster's Collegiate Thesaurus -+*/ -+ -+/* struct for rwx <-> POSIX constant lookup tables */ -+struct modeLookup -+{ -+ char rwx; -+ mode_t bits; -+}; -+ -+typedef struct modeLookup modeLookup; -+ -+static modeLookup modesel[] = -+{ -+ /* RWX char Posix Constant */ -+ {'r', S_IRUSR}, -+ {'w', S_IWUSR}, -+ {'x', S_IXUSR}, -+ -+ {'r', S_IRGRP}, -+ {'w', S_IWGRP}, -+ {'x', S_IXGRP}, -+ -+ {'r', S_IROTH}, -+ {'w', S_IWOTH}, -+ {'x', S_IXOTH}, -+ {0, (mode_t)-1} /* do not delete this line */ -+}; -+ -+ -+ -+static int rwxrwxrwx(mode_t *mode, const char *p) -+{ -+ int count; -+ mode_t tmp_mode = *mode; -+ -+ tmp_mode &= ~(S_ISUID | S_ISGID); /* turn off suid and sgid flags */ -+ for (count=0; count<9; count ++) -+ { -+ if (*p == modesel[count].rwx) tmp_mode |= modesel[count].bits; /* set a bit */ -+ else if (*p == '-') tmp_mode &= ~modesel[count].bits; /* clear a bit */ -+ else if (*p=='s') switch(count) -+ { -+ case 2: /* turn on suid flag */ -+ tmp_mode |= S_ISUID | S_IXUSR; -+ break; -+ -+ case 5: /* turn on sgid flag */ -+ tmp_mode |= S_ISGID | S_IXGRP; -+ break; -+ -+ default: -+ return -4; /* failed! -- bad rwxrwxrwx mode change */ -+ break; -+ } -+ p++; -+ } -+ *mode = tmp_mode; -+ return 0; -+} -+ -+static void modechopper(mode_t mode, char *p) -+{ -+ /* requires char p[10] */ -+ int count; -+ char *pp; -+ -+ pp=p; -+ -+ for (count=0; count<9; count ++) -+ { -+ if (mode & modesel[count].bits) *p = modesel[count].rwx; -+ else *p='-'; -+ -+ p++; -+ } -+ *p=0; /* to finish the string */ -+ -+ /* dealing with suid and sgid flags */ -+ if (mode & S_ISUID) pp[2] = (mode & S_IXUSR) ? 's' : 'S'; -+ if (mode & S_ISGID) pp[5] = (mode & S_IXGRP) ? 's' : 'S'; -+ -+} -+ -+static int mode_munch(mode_t *mode, const char* p) -+{ -+ -+ char op=0; -+ mode_t affected_bits, ch_mode; -+ int doneFlag = 0; -+#ifdef DEBUG -+char tmp[10]; -+#endif -+ -+#ifdef DEBUG -+modechopper(*mode, tmp); -+printf("modemuncher: got base mode = %s\n", tmp); -+#endif -+ -+ while (!doneFlag) -+ { -+ /* step 0 -- clear temporary variables */ -+ affected_bits=0; -+ ch_mode=0; -+ -+ /* step 1 -- who's affected? */ -+ -+#ifdef DEBUG -+printf("modemuncher step 1\n"); -+#endif -+ -+ /* mode string given in rwxrwxrwx format */ -+ if (*p== 'r' || *p == '-') return rwxrwxrwx(mode, p); -+ -+ /* mode string given in ugoa+-=rwx format */ -+ for ( ; ; p++) -+ switch (*p) -+ { -+ case 'u': -+ affected_bits |= 04700; -+ break; -+ -+ case 'g': -+ affected_bits |= 02070; -+ break; -+ -+ case 'o': -+ affected_bits |= 01007; -+ break; -+ -+ case 'a': -+ affected_bits |= 07777; -+ break; -+ -+ /* ignore spaces */ -+ case ' ': -+ break; -+ -+ -+ default: -+ goto no_more_affected; -+ } -+ -+ no_more_affected: -+ /* If none specified, affect all bits. */ -+ if (affected_bits == 0) affected_bits = 07777; -+ -+ /* step 2 -- how is it changed? */ -+ -+#ifdef DEBUG -+printf("modemuncher step 2 (*p='%c')\n", *p); -+#endif -+ -+ switch (*p) -+ { -+ case '+': -+ case '-': -+ case '=': -+ op = *p; -+ break; -+ -+ /* ignore spaces */ -+ case ' ': -+ break; -+ -+ default: -+ return -1; /* failed! -- bad operator */ -+ } -+ -+ -+ /* step 3 -- what are the changes? */ -+ -+#ifdef DEBUG -+printf("modemuncher step 3\n"); -+#endif -+ -+ for (p++ ; *p!=0 ; p++) -+ switch (*p) -+ { -+ case 'r': -+ ch_mode |= 00444; -+ break; -+ -+ case 'w': -+ ch_mode |= 00222; -+ break; -+ -+ case 'x': -+ ch_mode |= 00111; -+ break; -+ -+ case 's': -+ /* Set the setuid/gid bits if `u' or `g' is selected. */ -+ ch_mode |= 06000; -+ break; -+ -+ /* ignore spaces */ -+ case ' ': -+ break; -+ -+ default: -+ goto specs_done; -+ } -+ -+ specs_done: -+ /* step 4 -- apply the changes */ -+ -+#ifdef DEBUG -+ printf("modemuncher step 4\n"); -+#endif -+ if (*p != ',') doneFlag = 1; -+ if (*p != 0 && *p != ' ' && *p != ',') -+ { -+ -+#ifdef DEBUG -+printf("modemuncher: comma error!\n"); -+printf("modemuncher: doneflag = %u\n", doneFlag); -+#endif -+ return -2; /* failed! -- bad mode change */ -+ -+ } -+ p++; -+ /*if (!ch_mode) return -2;*/ /* failed! -- bad mode change */ -+ if (ch_mode) switch (op) -+ { -+ case '+': -+ *mode = *mode |= ch_mode & affected_bits; -+ break; -+ -+ case '-': -+ *mode = *mode &= ~(ch_mode & affected_bits); -+ break; -+ -+ case '=': -+ *mode = ch_mode & affected_bits; -+ break; -+ -+ default: -+ return -3; /* failed! -- unknown error */ -+ } -+ } -+#ifdef DEBUG -+modechopper(*mode, tmp); -+printf("modemuncher: returning mode = %s\n", tmp); -+#endif -+ -+ return 0; /* successful call */ -+} -+ -+ |