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now do chmod and chown after edit of temp file and before rename

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This commit is contained in:
Todd C. Miller 1996-08-22 18:00:46 +00:00
parent 39bc5df7ab
commit 81bdc0aa1f
1 changed files with 19 additions and 22 deletions
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41
visudo.c
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@ -206,17 +206,6 @@ int main(argc, argv)
(void) close(sudoers_fd);
(void) close(stmp_fd);
/*
* Change ownership of temp file to SUDOERS_UID, SUDOERS_GID
* so when we move it to sudoers things are kosher.
*/
if (chown(stmp, SUDOERS_UID, SUDOERS_GID)) {
(void) fprintf(stderr,
"%s: Warning, unable to set (uid, gid) to (%d, %d): ",
Argv[0], SUDOERS_UID, SUDOERS_GID);
perror("");
}
/*
* Edit the temp file and parse it (for sanity checking)
*/
@ -295,6 +284,25 @@ int main(argc, argv)
}
} while (parse_error == TRUE);
/*
* Change mode and ownership of temp file so when
* we move it to sudoers things are kosher.
*/
if (chown(stmp, SUDOERS_UID, SUDOERS_GID)) {
(void) fprintf(stderr,
"%s: Unable to set (uid, gid) of %s to (%d, %d): ",
Argv[0], stmp, SUDOERS_UID, SUDOERS_GID);
perror("");
Exit(1);
}
if (chmod(stmp, SUDOERS_MODE)) {
(void) fprintf(stderr,
"%s: Unable to change mode of %s to %o: ",
Argv[0], stmp, SUDOERS_MODE);
perror("");
Exit(1);
}
/*
* Now that we have a sane stmp file (parse ok) it needs to be
* rename(2)'d to sudoers. If the rename(2) fails we try using
@ -335,17 +343,6 @@ int main(argc, argv)
Exit(1);
}
/*
* Set the mode on the new sudoers file.
* If this fail it is ok since the file is only least rw owner.
*/
if (chmod(sudoers, SUDOERS_MODE)) {
(void) fprintf(stderr,
"%s: Warning, unable to change mode of %s to %o: ",
Argv[0], sudoers, SUDOERS_MODE);
perror("");
}
return(0);
}