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Diffstat (limited to 'src/kmk/kmkbuiltin/mkdir.c')
| -rw-r--r-- | src/kmk/kmkbuiltin/mkdir.c | 302 |
1 files changed, 302 insertions, 0 deletions
diff --git a/src/kmk/kmkbuiltin/mkdir.c b/src/kmk/kmkbuiltin/mkdir.c new file mode 100644 index 0000000..65e961f --- /dev/null +++ b/src/kmk/kmkbuiltin/mkdir.c @@ -0,0 +1,302 @@ +/* + * Copyright (c) 1983, 1992, 1993 + * The Regents of the University of California. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#if 0 +#ifndef lint +static char const copyright[] = +"@(#) Copyright (c) 1983, 1992, 1993\n\ + The Regents of the University of California. All rights reserved.\n"; +#endif /* not lint */ + +#ifndef lint +static char sccsid[] = "@(#)mkdir.c 8.2 (Berkeley) 1/25/94"; +#endif /* not lint */ +#include <sys/cdefs.h> +__FBSDID("$FreeBSD: src/bin/mkdir/mkdir.c,v 1.28 2004/04/06 20:06:48 markm Exp $"); +#endif + +#define FAKES_NO_GETOPT_H /* bird */ +#include "config.h" +#include <sys/types.h> +#include <sys/stat.h> + +#include "err.h" +#include <errno.h> +#include <assert.h> +#ifndef _MSC_VER +# include <libgen.h> +#endif +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#ifndef __HAIKU__ +# include <sysexits.h> +#endif +#include <unistd.h> +#ifdef HAVE_ALLOCA_H +# include <alloca.h> +#endif +#include "getopt_r.h" +#ifdef __HAIKU__ +# include "haikufakes.h" +#endif +#ifdef _MSC_VER +# include <malloc.h> +# include "mscfakes.h" +#endif +#include "kmkbuiltin.h" + + +static struct option long_options[] = +{ + { "help", no_argument, 0, 261 }, + { "version", no_argument, 0, 262 }, + { 0, 0, 0, 0 }, +}; + +extern mode_t g_fUMask; + +extern void * bsd_setmode(const char *p); +extern mode_t bsd_getmode(const void *bbox, mode_t omode); + +static int build(PKMKBUILTINCTX pCtx, char *, mode_t, int); +static int usage(PKMKBUILTINCTX pCtx, int fIsErr); + + +int +kmk_builtin_mkdir(int argc, char **argv, char **envp, PKMKBUILTINCTX pCtx) +{ + struct getopt_state_r gos; + int ch, exitval, success, pflag, vflag; + mode_t omode, *set = (mode_t *)NULL; + char *mode; + + omode = pflag = vflag = 0; + mode = NULL; + + getopt_initialize_r(&gos, argc, argv, "m:pv", long_options, envp, pCtx); + while ((ch = getopt_long_r(&gos, NULL)) != -1) + switch(ch) { + case 'm': + mode = gos.optarg; + break; + case 'p': + pflag = 1; + break; + case 'v': + vflag = 1; + break; + case 261: + usage(pCtx, 0); + return 0; + case 262: + return kbuild_version(argv[0]); + case '?': + default: + return usage(pCtx, 1); + } + + argc -= gos.optind; + argv += gos.optind; + if (argv[0] == NULL) + return usage(pCtx, 1); + + if (mode == NULL) { + omode = S_IRWXU | S_IRWXG | S_IRWXO; + } else { + if ((set = bsd_setmode(mode)) == NULL) + return errx(pCtx, 1, "invalid file mode: %s", mode); + omode = bsd_getmode(set, S_IRWXU | S_IRWXG | S_IRWXO); + free(set); + } + + for (exitval = 0; *argv != NULL; ++argv) { + success = 1; + if (pflag) { + if (build(pCtx, *argv, omode, vflag)) + success = 0; + } else if (mkdir(*argv, omode) < 0) { + if (errno == ENOTDIR || errno == ENOENT) + warn(pCtx, "mkdir: %s", dirname(*argv)); + else + warn(pCtx, "mkdir: %s", *argv); + success = 0; + } else if (vflag) + kmk_builtin_ctx_printf(pCtx, 0, "%s\n", *argv); + + if (!success) + exitval = 1; + /* + * The mkdir() and umask() calls both honor only the low + * nine bits, so if you try to set a mode including the + * sticky, setuid, setgid bits you lose them. Don't do + * this unless the user has specifically requested a mode, + * as chmod will (obviously) ignore the umask. + */ + if (success && mode != NULL && chmod(*argv, omode) == -1) { + warn(pCtx, "chmod: %s", *argv); + exitval = 1; + } + } + return exitval; +} + +#ifdef KMK_BUILTIN_STANDALONE +mode_t g_fUMask; +int main(int argc, char **argv, char **envp) +{ + KMKBUILTINCTX Ctx = { "kmk_mkdir", NULL }; + umask(g_fUMask = umask(0077)); + return kmk_builtin_mkdir(argc, argv, envp, &Ctx); +} +#endif + +static int +build(PKMKBUILTINCTX pCtx, char *path, mode_t omode, int vflag) +{ + struct stat sb; + mode_t numask, oumask; + int first, last, retval; + char *p; + + const size_t len = strlen(path); + p = alloca(len + 1); + path = memcpy(p, path, len + 1); + +#if defined(_MSC_VER) || defined(__EMX__) + /* correct slashes. */ + p = strchr(path, '\\'); + while (p) { + *p++ = '/'; + p = strchr(p, '\\'); + } +#endif + + p = path; + oumask = 0; + retval = 0; +#if defined(_MSC_VER) || defined(__EMX__) + if ( ( (p[0] >= 'A' && p[0] <= 'Z') + || (p[0] >= 'a' && p[0] <= 'z')) + && p[1] == ':') + p += 2; /* skip the drive letter */ + else if ( p[0] == '/' + && p[1] == '/' + && p[2] != '/') + { + /* UNC */ + p += 2; + while (*p && *p != '/') /* server */ + p++; + while (*p == '/') + p++; + while (*p && *p != '/') /* share */ + p++; + } +#endif + if (p[0] == '/') /* Skip leading '/'. */ + ++p; + for (first = 1, last = 0; !last ; ++p) { + if (p[0] == '\0') + last = 1; + else if (p[0] != '/') + continue; + *p = '\0'; + if (!last && p[1] == '\0') + last = 1; + if (first) { + /* + * POSIX 1003.2: + * For each dir operand that does not name an existing + * directory, effects equivalent to those cased by the + * following command shall occcur: + * + * mkdir -p -m $(umask -S),u+wx $(dirname dir) && + * mkdir [-m mode] dir + * + * We change the user's umask and then restore it, + * instead of doing chmod's. + */ +#ifdef KMK_BUILTIN_STANDALONE + oumask = umask(0077); +#else + oumask = g_fUMask; + assert(oumask == umask(g_fUMask)); +#endif + numask = oumask & ~(S_IWUSR | S_IXUSR); + if (numask != oumask) + (void)umask(numask); + first = 0; + } + if (last && oumask != numask) + (void)umask(oumask); + if (mkdir(path, last ? omode : S_IRWXU | S_IRWXG | S_IRWXO) < 0) { + if (errno == EEXIST || errno == EISDIR + || errno == ENOSYS /* (solaris crap) */ + || errno == EACCES /* (ditto) */) { + if (stat(path, &sb) < 0) { + warn(pCtx, "stat: %s", path); + retval = 1; + break; + } + if (!S_ISDIR(sb.st_mode)) { + if (last) + errno = EEXIST; + else + errno = ENOTDIR; + warn(pCtx, "st_mode: %s", path); + retval = 1; + break; + } + } else { + warn(pCtx, "mkdir: %s", path); + retval = 1; + break; + } + } else if (vflag) + kmk_builtin_ctx_printf(pCtx, 0, "%s\n", path); + if (!last) + *p = '/'; + } + if (!first && !last && oumask != numask) + (void)umask(oumask); + return (retval); +} + +static int +usage(PKMKBUILTINCTX pCtx, int fIsErr) +{ + kmk_builtin_ctx_printf(pCtx, fIsErr, + "usage: %s [-pv] [-m mode] directory ...\n" + " or: %s --help\n" + " or: %s --version\n", + pCtx->pszProgName, pCtx->pszProgName, pCtx->pszProgName); + return EX_USAGE; +} + |