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Viewing changes to s3tools/src/s3setacl.c

  • Committer: Bazaar Package Importer
  • Author(s): Michael Hanke
  • Date: 2011-05-07 09:05:00 UTC
  • Revision ID: james.westby@ubuntu.com-20110507090500-lqpmdtwndor6e7os
Tags: upstream-3.3.2
Import upstream version 3.3.2

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s3tools/src/s3setacl.c
 
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/*
 
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Copyright (C) 2010- The University of Notre Dame
 
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This software is distributed under the GNU General Public License.
 
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See the file COPYING for details.
 
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*/
 
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#include <stdio.h>
 
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#include <stdlib.h>
 
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#include <string.h>
 
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#include <stringtools.h>
 
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#include "s3common.h"
 
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#include "s3c_acl.h"
 
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int main(int argc, char** argv) {
 
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        struct hash_table *acls;
 
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        struct s3_acl_object *acl;
 
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        char *bucket, *filename, *handle, *aclstr, *id;
 
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        char remotename[FILENAME_MAX];
 
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        char owner[FILENAME_MAX];
 
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        int i;
 
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        unsigned char mask = 0;
 
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        s3_initialize(&argc, argv);
 
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        if(argc < 4) {
 
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                fprintf(stderr, "usage: s3setacl <bucket> [filename] <email | display name> [+|-]<acls>\n");
 
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                return -1;
 
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        }
 
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        bucket = argv[1];
 
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        if(argc == 5) {
 
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                sprintf(remotename, "/%s", argv[2]);
 
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                filename = remotename;
 
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                handle = argv[3];
 
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                aclstr = argv[4];
 
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        } else {
 
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                filename = NULL;
 
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                handle = argv[2];
 
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                aclstr = argv[3];
 
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        }
 
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        acls = hash_table_create(0, NULL);
 
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        s3_getacl(bucket, filename, owner, acls, s3_userid(), s3_key());
 
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        hash_table_firstkey(acls);
 
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        while(hash_table_nextkey(acls, &id, (void**)&acl)) {
 
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                if(!strcmp(id, handle)) break;
 
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        }
 
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        if(!acl) acl = hash_table_lookup(acls, handle);
 
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        if(!acl && !strchr(handle, '@')) {
 
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                fprintf(stderr, "Error: invalid handle (%s)\n", handle);
 
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                exit(0);
 
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        }
 
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        if(!acl && aclstr[0] != '-') {
 
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                acl = malloc(sizeof(*acl));
 
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                acl->acl_type = S3_ACL_EMAIL;
 
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                acl->perm = 0;
 
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                acl->display_name = NULL;
 
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                hash_table_insert(acls, handle, acl);
 
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        }
 
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        if(!acl) return 0;
 
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        fprintf(stderr, "aclstr: %s\n", aclstr);
 
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        for(i = strcspn(aclstr, "frwgs"); i < strlen(aclstr); i++) {
 
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                switch(aclstr[i]) {
 
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                        case 'f':       mask = mask | S3_ACL_FULL_CONTROL; break;
 
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                        case 'r':       mask = mask | S3_ACL_READ; break;
 
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                        case 'w':       mask = mask | S3_ACL_WRITE; break;
 
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                        case 'g':       mask = mask | S3_ACL_READ_ACP; break;
 
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                        case 's':       mask = mask | S3_ACL_WRITE_ACP; break;
 
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                }
 
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        }
 
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        if(aclstr[0] == '+') {
 
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                acl->perm = acl->perm | mask;
 
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        } else if(aclstr[0] == '-') {
 
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                acl->perm = acl->perm & ~mask;
 
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        } else {
 
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                acl->perm = mask;
 
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        }
 
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        s3_setacl(bucket, filename, owner, acls, s3_userid(), s3_key());
 
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        return 0;
 
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}
 
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