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Add a new flag to check_private_dir to make it _not_ change permissions

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We'll need this for checking permissions on the directories that hold
control sockets: if somebody says "ControlSocket ~/foo", it would be
pretty rude to do a chmod 700 on their homedir.
This commit is contained in:
Nick Mathewson 2011-05-13 15:40:03 -04:00
parent 3b6cbf2534
commit 5d147d8527
2 changed files with 8 additions and 0 deletions
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7
src/common/util.c
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@ -1670,6 +1670,8 @@ file_status(const char *fname)
* check&CPD_CHECK, and we think we can create it, return 0. Else
* return -1. If CPD_GROUP_OK is set, then it's okay if the directory
* is group-readable, but in all cases we create the directory mode 0700.
* If CPD_CHECK_MODE_ONLY is set, then we don't alter the directory permissions
* if they are too permissive: we just return -1.
*/
int
check_private_dir(const char *dirname, cpd_check_t check)
@ -1741,6 +1743,11 @@ check_private_dir(const char *dirname, cpd_check_t check)
}
if (st.st_mode & mask) {
unsigned new_mode;
if (check & CPD_CHECK_MODE_ONLY) {
log_warn(LD_FS, "Permissions on directory %s are too permissive.",
dirname);
return -1;
}
log_warn(LD_FS, "Fixing permissions on directory %s", dirname);
new_mode = st.st_mode;
new_mode |= 0700; /* Owner should have rwx */

1
src/common/util.h
View File

@ -291,6 +291,7 @@ typedef unsigned int cpd_check_t;
#define CPD_CREATE 1
#define CPD_CHECK 2
#define CPD_GROUP_OK 4
#define CPD_CHECK_MODE_ONLY 8
int check_private_dir(const char *dirname, cpd_check_t check);
#define OPEN_FLAGS_REPLACE (O_WRONLY|O_CREAT|O_TRUNC)
#define OPEN_FLAGS_APPEND (O_WRONLY|O_CREAT|O_APPEND)