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Diffstat (limited to 'winsup/utils/setfacl.c')
-rw-r--r--winsup/utils/setfacl.c566
1 files changed, 0 insertions, 566 deletions
diff --git a/winsup/utils/setfacl.c b/winsup/utils/setfacl.c
deleted file mode 100644
index 996b5ec7f..000000000
--- a/winsup/utils/setfacl.c
+++ /dev/null
@@ -1,566 +0,0 @@
-/* setfacl.c
-
- Copyright 2000, 2001, 2002, 2003 Red Hat Inc.
-
- Written by Corinna Vinschen <vinschen@redhat.com>
-
-This file is part of Cygwin.
-
-This software is a copyrighted work licensed under the terms of the
-Cygwin license. Please consult the file "CYGWIN_LICENSE" for
-details. */
-
-#include <stdio.h>
-#include <ctype.h>
-#include <string.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <getopt.h>
-#include <pwd.h>
-#include <grp.h>
-#include <sys/types.h>
-#include <sys/acl.h>
-
-#ifndef BOOL
-#define BOOL int
-#endif
-
-#ifndef TRUE
-#define TRUE (1)
-#endif
-
-#ifndef FALSE
-#define FALSE (0)
-#endif
-
-#ifndef ILLEGAL_MODE
-#define ILLEGAL_MODE ((mode_t)0xffffffff)
-#endif
-
-static const char version[] = "$Revision$";
-static char *prog_name;
-
-typedef enum {
- NoAction,
- Set,
- Modify,
- Delete,
- ModNDel,
- SetFromFile
-} action_t;
-
-mode_t getperm (char *in)
-{
- if (isdigit (*in) && !in[1])
- {
- int i = atoi (in);
- if (i < 0 || i > 7)
- return ILLEGAL_MODE;
- return i << 6 | i << 3 | i;
- }
- if (strlen (in) > 3 && strchr (" \t\n\r#", in[3]))
- in[3] = '\0';
- if (strlen (in) != 3)
- return ILLEGAL_MODE;
- if (!strchr ("r-", in[0])
- || !strchr ("w-", in[1])
- || !strchr ("x-", in[2]))
- return ILLEGAL_MODE;
- return (in[0] == 'r' ? S_IROTH : 0)
- | (in[1] == 'w' ? S_IWOTH : 0)
- | (in[2] == 'x' ? S_IXOTH : 0);
-}
-
-BOOL
-getaclentry (action_t action, char *c, aclent_t *ace)
-{
- char *c2;
-
- ace->a_type = 0;
- ace->a_id = -1;
- ace->a_perm = 0;
-
- if (!strncmp (c, "default:", 8)
- || !strncmp (c, "d:", 2))
- {
- ace->a_type = ACL_DEFAULT;
- c = strchr (c, ':') + 1;
- }
- if (!strncmp (c, "user:", 5)
- || !strncmp (c, "u:", 2))
- {
- ace->a_type |= USER_OBJ;
- c = strchr (c, ':') + 1;
- }
- else if (!strncmp (c, "group:", 6)
- || !strncmp (c, "g:", 2))
- {
- ace->a_type |= GROUP_OBJ;
- c = strchr (c, ':') + 1;
- }
- else if (!strncmp (c, "mask:", 5)
- || !strncmp (c, "m:", 2))
- {
- ace->a_type |= CLASS_OBJ;
- c = strchr (c, ':') + 1;
- }
- else if (!strncmp (c, "other:", 6)
- || !strncmp (c, "o:", 2))
- {
- ace->a_type |= OTHER_OBJ;
- c = strchr (c, ':') + 1;
- }
- else
- return FALSE;
- if (ace->a_type & (USER_OBJ | GROUP_OBJ))
- {
- if ((c2 = strchr (c, ':')))
- {
- if (action == Delete)
- return FALSE;
- *c2 = '\0';
- }
- else if (action != Delete)
- return FALSE;
- if (c2 == c)
- {
- if (action == Delete)
- return FALSE;
- }
- else if (isdigit (*c))
- {
- char *c3;
-
- ace->a_id = strtol (c, &c3, 10);
- if (*c3)
- return FALSE;
- }
- else if (ace->a_type & USER_OBJ)
- {
- struct passwd *pw = getpwnam (c);
- if (!pw)
- return FALSE;
- ace->a_id = pw->pw_uid;
- }
- else
- {
- struct group *gr = getgrnam (c);
- if (!gr)
- return FALSE;
- ace->a_id = gr->gr_gid;
- }
- if (c2 != c)
- {
- if (ace->a_type & USER_OBJ)
- {
- ace->a_type &= ~USER_OBJ;
- ace->a_type |= USER;
- }
- else
- {
- ace->a_type &= ~GROUP_OBJ;
- ace->a_type |= GROUP;
- }
- }
- if (c2)
- c = c2 + 1;
- }
- /* FIXME: currently allow both :: and : */
- else if (*c == ':')
- c++;
- if (action == Delete)
- {
- if ((ace->a_type & (CLASS_OBJ | OTHER_OBJ))
- && *c)
- return FALSE;
- ace->a_perm = ILLEGAL_MODE;
- return TRUE;
- }
- if ((ace->a_perm = getperm (c)) == ILLEGAL_MODE)
- return FALSE;
- return TRUE;
-}
-
-BOOL
-getaclentries (action_t action, char *buf, aclent_t *acls, int *idx)
-{
- char *c;
-
- if (action == SetFromFile)
- {
- FILE *fp;
- char fbuf[256], *fb;
-
- if (!strcmp (buf, "-"))
- fp = stdin;
- else if (! (fp = fopen (buf, "r")))
- return FALSE;
- while ((fb = fgets (fbuf, 256, fp)))
- {
- while (strchr (" \t", *fb))
- ++fb;
- if (strchr ("\n\r#", *fb))
- continue;
- if (!getaclentry (action, fb, acls + (*idx)++))
- {
- fclose (fp);
- return FALSE;
- }
- }
- if (fp != stdin)
- fclose (fp);
- }
- else
- for (c = strtok (buf, ","); c; c = strtok (NULL, ","))
- if (!getaclentry (action, c, acls + (*idx)++))
- return FALSE;
- return TRUE;
-}
-
-int
-searchace (aclent_t *aclp, int nentries, int type, int id)
-{
- int i;
-
- for (i = 0; i < nentries; ++i)
- if ((aclp[i].a_type == type && (id < 0 || aclp[i].a_id == id))
- || !aclp[i].a_type)
- return i;
- return -1;
-}
-
-int
-modacl (aclent_t *tgt, int tcnt, aclent_t *src, int scnt)
-{
- int t, s, i;
-
- for (s = 0; s < scnt; ++s)
- {
- t = searchace (tgt, MAX_ACL_ENTRIES, src[s].a_type,
- (src[s].a_type & (USER | GROUP)) ? src[s].a_id : -1);
- if (t < 0)
- return -1;
- if (src[s].a_perm == ILLEGAL_MODE)
- {
- if (t < tcnt)
- {
- for (i = t + 1; i < tcnt; ++i)
- tgt[i - 1] = tgt[i];
- --tcnt;
- }
- }
- else
- {
- tgt[t] = src[s];
- if (t >= tcnt)
- ++tcnt;
- }
- }
- return tcnt;
-}
-
-void
-setfacl (action_t action, char *path, aclent_t *acls, int cnt)
-{
- aclent_t lacl[MAX_ACL_ENTRIES];
- int lcnt;
-
- memset (lacl, 0, sizeof lacl);
- if (action == Set)
- {
- if (acl (path, SETACL, cnt, acls))
- perror (prog_name);
- return;
- }
- if ((lcnt = acl (path, GETACL, MAX_ACL_ENTRIES, lacl)) < 0
- || (lcnt = modacl (lacl, lcnt, acls, cnt)) < 0
- || (lcnt = acl (path, SETACL, lcnt, lacl)) < 0)
- perror (prog_name);
-}
-
-static void
-usage (FILE * stream)
-{
- fprintf (stream, ""
- "Usage: %s [-r] (-f ACL_FILE | -s acl_entries) FILE...\n"
- " %s [-r] ([-d acl_entries] [-m acl_entries]) FILE...\n"
- "Modify file and directory access control lists (ACLs)\n"
- "\n"
- " -d, --delete delete one or more specified ACL entries\n"
- " -f, --file set ACL entries for FILE to ACL entries read\n"
- " from a ACL_FILE\n"
- " -m, --modify modify one or more specified ACL entries\n"
- " -r, --replace replace mask entry with maximum permissions\n"
- " needed for the file group class\n"
- " -s, --substitute substitute specified ACL entries for the\n"
- " ACL of FILE\n"
- " -h, --help output usage information and exit\n"
- " -v, --version output version information and exit\n"
- "\n"
- "At least one of (-d, -f, -m, -s) must be specified\n"
- "\n"
- "", prog_name, prog_name);
- if (stream == stdout)
- {
- printf(""
- " Acl_entries are one or more comma-separated ACL entries \n"
- " from the following list:\n"
- "\n"
- " u[ser]::perm\n"
- " u[ser]:uid:perm\n"
- " g[roup]::perm\n"
- " g[roup]:gid:perm\n"
- " m[ask]:perm\n"
- " o[ther]:perm\n"
- "\n"
- " Default entries are like the above with the additional\n"
- " default identifier. For example: \n"
- "\n"
- " d[efault]:u[ser]:uid:perm\n"
- "\n"
- " `perm' is either a 3-char permissions string in the form\n"
- " \"rwx\" with the character - for no permission\n"
- " or it is the octal representation of the permissions, a\n"
- " value from 0 (equivalent to \"---\") to 7 (\"rwx\").\n"
- " `uid' is a user name or a numerical uid.\n"
- " `gid' is a group name or a numerical gid.\n"
- "\n"
- "\n"
- "For each file given as parameter, %s will either replace its\n"
- "complete ACL (-s, -f), or it will add, modify, or delete ACL\n"
- "entries.\n"
- "\n"
- "The following options are supported:\n"
- "\n"
- "-d Delete one or more specified entries from the file's ACL.\n"
- " The owner, group and others entries must not be deleted.\n"
- " Acl_entries to be deleted should be specified without\n"
- " permissions, as in the following list:\n"
- "\n"
- " u[ser]:uid\n"
- " g[roup]:gid\n"
- " d[efault]:u[ser]:uid\n"
- " d[efault]:g[roup]:gid\n"
- " d[efault]:m[ask]:\n"
- " d[efault]:o[ther]:\n"
- "\n"
- "-f Take the Acl_entries from ACL_FILE one per line. Whitespace\n"
- " characters are ignored, and the character \"#\" may be used\n"
- " to start a comment. The special filename \"-\" indicates\n"
- " reading from stdin.\n"
- " Required entries are\n"
- " - One user entry for the owner of the file.\n"
- " - One group entry for the group of the file.\n"
- " - One other entry.\n"
- " If additional user and group entries are given:\n"
- " - A mask entry for the file group class of the file.\n"
- " - No duplicate user or group entries with the same uid/gid.\n"
- " If it is a directory:\n"
- " - One default user entry for the owner of the file.\n"
- " - One default group entry for the group of the file.\n"
- " - One default mask entry for the file group class.\n"
- " - One default other entry.\n"
- "\n"
- "-m Add or modify one or more specified ACL entries.\n"
- " Acl_entries is a comma-separated list of entries from the \n"
- " same list as above.\n"
- "\n"
- "-r Causes the permissions specified in the mask entry to be\n"
- " ignored and replaced by the maximum permissions needed for\n"
- " the file group class.\n"
- "\n"
- "-s Like -f, but substitute the file's ACL with Acl_entries\n"
- " specified in a comma-separated list on the command line.\n"
- "\n"
- "While the -d and -m options may be used in the same command, the\n"
- "-f and -s options may be used only exclusively.\n"
- "\n"
- "Directories may contain default ACL entries. Files created\n"
- "in a directory that contains default ACL entries will have\n"
- "permissions according to the combination of the current umask,\n"
- "the explicit permissions requested and the default ACL entries\n"
- "Note: Under Cygwin, the default ACL entries are not taken into\n"
- "account currently.\n", prog_name);
- }
- else
- fprintf(stream, "Try `%s --help' for more information.\n", prog_name);
-}
-
-struct option longopts[] = {
- {"delete", required_argument, NULL, 'd'},
- {"file", required_argument, NULL, 'f'},
- {"modify", required_argument, NULL, 'm'},
- {"replace", no_argument, NULL, 'r'},
- {"substitute", required_argument, NULL, 's'},
- {"help", no_argument, NULL, 'h'},
- {"version", no_argument, NULL, 'v'},
- {0, no_argument, NULL, 0}
-};
-
-static void
-print_version ()
-{
- const char *v = strchr (version, ':');
- int len;
- if (!v)
- {
- v = "?";
- len = 1;
- }
- else
- {
- v += 2;
- len = strchr (v, ' ') - v;
- }
- printf ("\
-setfacl (cygwin) %.*s\n\
-ACL Modification Utility\n\
-Copyright 2000, 2001, 2002 Red Hat, Inc.\n\
-Compiled on %s\n\
-", len, v, __DATE__);
-}
-
-int
-main (int argc, char **argv)
-{
- int c;
- action_t action = NoAction;
- int ropt = 0;
- aclent_t acls[MAX_ACL_ENTRIES];
- int aclidx = 0;
-
- prog_name = strrchr (argv[0], '/');
- if (prog_name == NULL)
- prog_name = strrchr (argv[0], '\\');
- if (prog_name == NULL)
- prog_name = argv[0];
- else
- prog_name++;
-
- memset (acls, 0, sizeof acls);
- while ((c = getopt_long (argc, argv, "d:f:hm:rs:v", longopts, NULL)) != EOF)
- switch (c)
- {
- case 'd':
- if (action == NoAction)
- action = Delete;
- else if (action == Modify)
- action = ModNDel;
- else
- {
- usage (stderr);
- return 1;
- }
- if (! getaclentries (Delete, optarg, acls, &aclidx))
- {
- fprintf (stderr, "%s: illegal acl entries\n", prog_name);
- return 2;
- }
- break;
- case 'f':
- if (action == NoAction)
- action = Set;
- else
- {
- usage (stderr);
- return 1;
- }
- if (! getaclentries (SetFromFile, optarg, acls, &aclidx))
- {
- fprintf (stderr, "%s: illegal acl entries\n", prog_name);
- return 2;
- }
- break;
- case 'h':
- usage (stdout);
- return 0;
- case 'm':
- if (action == NoAction)
- action = Modify;
- else if (action == Delete)
- action = ModNDel;
- else
- {
- usage (stderr);
- return 1;
- }
- if (! getaclentries (Modify, optarg, acls, &aclidx))
- {
- fprintf (stderr, "%s: illegal acl entries\n", prog_name);
- return 2;
- }
- break;
- case 'r':
- if (!ropt)
- ropt = 1;
- else
- {
- usage (stderr);
- return 1;
- }
- break;
- case 's':
- if (action == NoAction)
- action = Set;
- else
- {
- usage (stderr);
- return 1;
- }
- if (! getaclentries (Set, optarg, acls, &aclidx))
- {
- fprintf (stderr, "%s: illegal acl entries\n", prog_name);
- return 2;
- }
- break;
- case 'v':
- print_version ();
- return 0;
- default:
- usage (stderr);
- return 1;
- }
- if (action == NoAction)
- {
- usage (stderr);
- return 1;
- }
- if (optind > argc - 1)
- {
- usage (stderr);
- return 1;
- }
- if (action == Set)
- switch (aclcheck (acls, aclidx, NULL))
- {
- case GRP_ERROR:
- fprintf (stderr, "%s: more than one group entry.\n", prog_name);
- return 2;
- case USER_ERROR:
- fprintf (stderr, "%s: more than one user entry.\n", prog_name);
- return 2;
- case CLASS_ERROR:
- fprintf (stderr, "%s: more than one mask entry.\n", prog_name);
- return 2;
- case OTHER_ERROR:
- fprintf (stderr, "%s: more than one other entry.\n", prog_name);
- return 2;
- case DUPLICATE_ERROR:
- fprintf (stderr, "%s: duplicate additional user or group.\n", prog_name);
- return 2;
- case ENTRY_ERROR:
- fprintf (stderr, "%s: invalid entry type.\n", prog_name);
- return 2;
- case MISS_ERROR:
- fprintf (stderr, "%s: missing entries.\n", prog_name);
- return 2;
- case MEM_ERROR:
- fprintf (stderr, "%s: out of memory.\n", prog_name);
- return 2;
- default:
- break;
- }
- for (c = optind; c < argc; ++c)
- setfacl (action, argv[c], acls, aclidx);
- return 0;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-16 17:41:18 +0300