0,0 → 1,251 |
/* Copyright (c) 2008, Tim Post <tinkertim@gmail.com> |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions are met: |
* |
* Redistributions of source code must retain the above copyright notice, this |
* list of conditions and the following disclaimer. |
* |
* 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. |
* |
* Neither the name of the original program's authors 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 COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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. |
*/ |
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#include <stdio.h> |
#include <stdlib.h> |
#include <dirent.h> |
#include <fcntl.h> |
#include <sys/types.h> |
#include <sys/stat.h> |
#include <getopt.h> |
#include <stdarg.h> |
|
#include "config.h" |
#include "errors.h" |
#include "util.h" |
#include "entry.h" |
#include "mkdir.h" |
#include "cmds.h" |
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#define MKDIR_VERSION "0.0.1" |
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static char *cmdname = "mkdir"; |
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static struct option const long_options[] = { |
{"parents", no_argument, 0, 'p'}, |
{"verbose", no_argument, 0, 'v'}, |
{"mode", required_argument, 0, 'm'}, |
{"help", no_argument, 0, 'h'}, |
{"version", no_argument, 0, 'V'}, |
{"follow", no_argument, 0, 'f'}, |
{0, 0, 0, 0} |
}; |
|
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void help_cmd_mkdir(unsigned int level) |
{ |
if (level == HELP_SHORT) { |
printf("`%s' creates a new directory\n", cmdname); |
} else { |
help_cmd_mkdir(HELP_SHORT); |
printf( |
"Usage: %s [options] <path>\n" |
"Options:\n" |
" -h, --help A short option summary\n" |
" -V, --version Print version information and exit\n" |
" -p, --parents Create needed parents for <path>\n" |
" -m, --mode Set permissions to [mode] (UNUSED)\n" |
" -v, --verbose Be extremely noisy about what is happening\n" |
" -f, --follow Go to the new directory once created\n" |
"Currently, %s is under development, some options don't work.\n", |
cmdname, cmdname); |
} |
|
return; |
} |
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/* This is kind of clunky, but effective for now */ |
static unsigned int |
create_directory(const char *path, unsigned int p) |
{ |
DIR *dirp; |
char *tmp = NULL, *buff = NULL, *wdp = NULL; |
char *dirs[255]; |
unsigned int absolute = 0, i = 0, ret = 0; |
|
/* Its a good idea to allocate path, plus we (may) need a copy of |
* path to tokenize if parents are specified */ |
if (NULL == (tmp = cli_strdup(path))) { |
cli_error(CL_ENOMEM, "%s: path too big?", cmdname); |
return 1; |
} |
|
if (NULL == (wdp = (char *) malloc(PATH_MAX))) { |
cli_error(CL_ENOMEM, "%s: could not alloc cwd", cmdname); |
free(tmp); |
return 1; |
} |
|
/* The only reason for wdp is to be (optionally) verbose */ |
getcwd(wdp, PATH_MAX); |
|
/* Typical use without specifying the creation of parents */ |
if (p == 0) { |
dirp = opendir(tmp); |
if (dirp) { |
cli_error(CL_EEXISTS, "%s: can not create %s, try -p", cmdname, path); |
closedir(dirp); |
goto finit; |
} |
if (-1 == (mkdir(tmp, 0))) { |
cli_error(CL_EFAIL, "%s: could not create %s", cmdname, path); |
goto finit; |
} |
} |
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/* Parents need to be created, path has to be broken up */ |
|
/* See if path[0] is a slash, if so we have to remember to append it */ |
if (tmp[0] == '/') |
absolute = 1; |
|
/* TODO: Canonify the path prior to tokenizing it, see below */ |
dirs[i] = cli_strtok(tmp, "/"); |
while (dirs[i] && i < 255) |
dirs[++i] = cli_strtok(NULL, "/"); |
|
if (NULL == dirs[0]) |
return 1; |
|
if (absolute == 1) { |
asprintf(&buff, "/%s", dirs[0]); |
mkdir(buff, 0); |
chdir(buff); |
free(buff); |
getcwd(wdp, PATH_MAX); |
i = 1; |
} else { |
i = 0; |
} |
|
while (dirs[i] != NULL) { |
/* Sometimes make or scripts conjoin odd paths. Account for something |
* like this: ../../foo/bar/../foo/foofoo/./bar */ |
if (!strcmp(dirs[i], "..") || !strcmp(dirs[i], ".")) { |
if (0 != (chdir(dirs[i]))) { |
cli_error(CL_EFAIL, "%s: impossible path: %s", |
cmdname, path); |
ret ++; |
goto finit; |
} |
getcwd(wdp, PATH_MAX); |
} else { |
if (-1 == (mkdir(dirs[i], 0))) { |
cli_error(CL_EFAIL, |
"%s: failed at %s/%s", wdp, dirs[i]); |
ret ++; |
goto finit; |
} |
if (0 != (chdir(dirs[i]))) { |
cli_error(CL_EFAIL, "%s: failed creating %s\n", |
cmdname, dirs[i]); |
ret ++; |
break; |
} |
} |
i++; |
} |
goto finit; |
|
finit: |
free(wdp); |
free(tmp); |
return ret; |
} |
|
int cmd_mkdir(char **argv) |
{ |
unsigned int argc, create_parents = 0, i, ret = 0, follow = 0; |
unsigned int verbose = 0; |
int c, opt_ind; |
char *cwd; |
|
argc = cli_count_args(argv); |
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for (c = 0, optind = 0, opt_ind = 0; c != -1;) { |
c = getopt_long(argc, argv, "pvhVfm:", long_options, &opt_ind); |
switch (c) { |
case 'p': |
create_parents = 1; |
break; |
case 'v': |
verbose = 1; |
break; |
case 'h': |
help_cmd_mkdir(HELP_LONG); |
return CMD_SUCCESS; |
case 'V': |
printf("%s\n", MKDIR_VERSION); |
return CMD_SUCCESS; |
case 'f': |
follow = 1; |
break; |
case 'm': |
printf("%s: [W] Ignoring mode %s\n", cmdname, optarg); |
break; |
} |
} |
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argc -= optind; |
|
if (argc < 1) { |
printf("%s - incorrect number of arguments. Try `%s --help'\n", |
cmdname, cmdname); |
return CMD_FAILURE; |
} |
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if (NULL == (cwd = (char *) malloc(PATH_MAX))) { |
cli_error(CL_ENOMEM, "%s: could not allocate cwd", cmdname); |
return CMD_FAILURE; |
} |
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memset(cwd, 0, sizeof(cwd)); |
getcwd(cwd, PATH_MAX); |
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for (i = optind; argv[i] != NULL; i++) { |
if (verbose == 1) |
printf("%s: creating %s%s\n", |
cmdname, argv[i], |
create_parents ? " (and all parents)" : ""); |
ret += create_directory(argv[i], create_parents); |
} |
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if (follow == 0) |
chdir(cwd); |
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free(cwd); |
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if (ret) |
return CMD_FAILURE; |
else |
return CMD_SUCCESS; |
} |
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