diff options
Diffstat (limited to 'winsup/utils/setfacl.c')
| -rw-r--r-- | winsup/utils/setfacl.c | 377 |
1 files changed, 0 insertions, 377 deletions
diff --git a/winsup/utils/setfacl.c b/winsup/utils/setfacl.c deleted file mode 100644 index 87c96ae..0000000 --- a/winsup/utils/setfacl.c +++ /dev/null @@ -1,377 +0,0 @@ - -#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 - -typedef enum { - NoAction, - Set, - Modify, - Delete, - ModNDel, - SetFromFile -} action_t; - -char *myname; - -int usage () -{ - fprintf(stderr, "usage: %s [-r] -s acl_entries file...\n", myname); - fprintf(stderr, " %s [-r] -md acl_entries file...\n", myname); - fprintf(stderr, " %s [-r] -f acl_file file...\n", myname); - return 1; -} - -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) - return ILLEGAL_MODE; - if (!strchr ("r-", in[0]) - || !strchr ("w-", in[1]) - || !strchr ("x-", in[2])) - return ILLEGAL_MODE; - return (in[0] == 'r' ? S_IRUSR | S_IRGRP | S_IROTH : 0) - | (in[1] == 'w' ? S_IWUSR | S_IWGRP | S_IWOTH : 0) - | (in[2] == 'x' ? S_IXUSR | S_IXGRP | S_IXOTH : 0); -} - -BOOL -getaclentry (action_t action, char *c, aclent_t *ace) -{ - char *c2; - - ace->a_type = 0; - ace->a_id = 0; - 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)) - { - if (!(ace->a_type & ACL_DEFAULT)) - return FALSE; - ace->a_type |= CLASS_OBJ; - c = strchr (c, ':') + 1; - } - else if (!strncmp (c, "other:", 6) - || !strncmp (c, "o:", 2)) - { - if (!(ace->a_type & ACL_DEFAULT)) - return FALSE; - 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 (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; - } - 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]; - - if (! (fp = fopen (buf, "r"))) - return FALSE; - while (fgets (fbuf, 256, fp)) - { - if (!getaclentry (action, fbuf, acls + (*idx)++)) - { - fclose (fp); - return FALSE; - } - } - 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 (myname); - 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 (myname); -} - -int -main (int argc, char **argv) -{ - extern char *optarg; - extern int optind; - int c; - action_t action = NoAction; - int ropt = 0; - aclent_t acls[MAX_ACL_ENTRIES]; - int aclidx = 0; - - myname = argv[0]; - memset (acls, 0, sizeof acls); - while ((c = getopt (argc, argv, "d:f:m:rs:")) != EOF) - switch (c) - { - case 'd': - if (action == NoAction) - action = Delete; - else if (action == Modify) - action = ModNDel; - else - return usage (); - if (! getaclentries (Delete, optarg, acls, &aclidx)) - { - fprintf (stderr, "%s: illegal acl entries\n", myname); - return 2; - } - break; - case 'f': - if (action == NoAction) - action = Set; - else - return usage (); - if (! getaclentries (SetFromFile, optarg, acls, &aclidx)) - { - fprintf (stderr, "%s: illegal acl entries\n", myname); - return 2; - } - break; - case 'm': - if (action == NoAction) - action = Modify; - else if (action == Delete) - action = ModNDel; - else - return usage (); - if (! getaclentries (Modify, optarg, acls, &aclidx)) - { - fprintf (stderr, "%s: illegal acl entries\n", myname); - return 2; - } - break; - case 'r': - if (!ropt) - ropt = 1; - else - return usage (); - break; - case 's': - if (action == NoAction) - action = Set; - else - return usage (); - break; - if (! getaclentries (Set, optarg, acls, &aclidx)) - { - fprintf (stderr, "%s: illegal acl entries\n", myname); - return 2; - } - default: - return usage (); - } - if (action == NoAction) - return usage (); - if (optind > argc - 1) - return usage (); - if (action == Set) - switch (aclcheck (acls, aclidx, NULL)) - { - case GRP_ERROR: - fprintf (stderr, "%s: more than one group entry.\n", myname); - return 2; - case USER_ERROR: - fprintf (stderr, "%s: more than one user entry.\n", myname); - return 2; - case CLASS_ERROR: - fprintf (stderr, "%s: more than one mask entry.\n", myname); - return 2; - case OTHER_ERROR: - fprintf (stderr, "%s: more than one other entry.\n", myname); - return 2; - case DUPLICATE_ERROR: - fprintf (stderr, "%s: duplicate additional user or group.\n", myname); - return 2; - case ENTRY_ERROR: - fprintf (stderr, "%s: invalid entry type.\n", myname); - return 2; - case MISS_ERROR: - fprintf (stderr, "%s: missing entries.\n", myname); - return 2; - case MEM_ERROR: - fprintf (stderr, "%s: out of memory.\n", myname); - return 2; - default: - break; - } - for (c = optind; c < argc; ++c) - setfacl (action, argv[c], acls, aclidx); - return 0; -} - |