diff options
Diffstat (limited to 'plpnfsd/mp_main.c')
| -rw-r--r-- | plpnfsd/mp_main.c | 78 |
1 files changed, 63 insertions, 15 deletions
diff --git a/plpnfsd/mp_main.c b/plpnfsd/mp_main.c index 80e3d82..e83e15a 100644 --- a/plpnfsd/mp_main.c +++ b/plpnfsd/mp_main.c @@ -16,6 +16,7 @@ #include <signal.h> #include <fcntl.h> #include <pwd.h> +#include <grp.h> #include <stdarg.h> #include <syslog.h> #include <errno.h> @@ -40,6 +41,8 @@ extern void nfs_program_2(); int debug, exiting, query_cache = 0; +time_t devcache_keep = 120; +time_t devcache_stamp = 0; fattr root_fattr = { @@ -110,6 +113,59 @@ infolog(char *fmt, ...) return 0; } +int force_cache_clean = 0; + +int set_owner(char *user, int logstdio) { + struct passwd *pw = NULL; + + if (user && *user) { + if (!(pw = getpwnam(user))) { + if (logstdio) + fprintf(stderr, "User %s not found.\n", user); + else + errorlog("User %s not found.\n", user); + endpwent(); + return 1; + } + if (getuid() && pw->pw_uid != getuid()) { + if (logstdio) + fprintf(stderr, "Only root can set owner to someone other.\n"); + else + errorlog("Only root can set owner to someone other.\n"); + endpwent(); + return 1; + } + } else { + if (!logstdio) { + errorlog("Request to change owner with empty argument.\n"); + return 1; + } + if (!(pw = getpwuid(getuid()))) { + fprintf(stderr, "You don't exist, go away!\n"); + endpwent(); + return 1; + } + } + if (pw) { + if ((root_fattr.uid != pw->pw_uid) || (root_fattr.gid != pw->pw_gid)) { + struct group *g = getgrgid(pw->pw_gid); + char *gname = (g && g->gr_name && *(g->gr_name)) ? g->gr_name : "???"; + + root_fattr.uid = pw->pw_uid; + root_fattr.gid = pw->pw_gid; + if (logstdio) + printf("Owner set to %s.%s\n", pw->pw_name, gname); + else + infolog("Owner set to %s.%s\n", pw->pw_name, gname); + endgrent(); + force_cache_clean = 1; + cache_flush(); + } + } + endpwent(); + return 0; +} + int mp_main(int verbose, char *dir, char *user) { @@ -123,30 +179,22 @@ mp_main(int verbose, char *dir, char *user) int i; - if (!(user = (char *) getenv("USER"))) - user = (char *) getenv("logname"); - if (user && *user) { - if (!(pw = getpwnam(user))) { - fprintf(stderr, "User %s not found.\n", user); - return 1; - } - } else if (!(pw = getpwuid(getuid()))) { + if (!(pw = getpwuid(getuid()))) { fprintf(stderr, "You don't exist, go away!\n"); return 1; } - if (getuid() && pw->pw_uid != getuid()) { - fprintf(stderr, "%s? You must be kidding...\n", user); - return 1; + if (!user) { + if (!(user = (char *) getenv("USER"))) + user = (char *) getenv("logname"); } - root_fattr.uid = pw->pw_uid; - root_fattr.gid = pw->pw_gid; endpwent(); - + if (set_owner(user, 1)) + return 1; gettimeofday(&tv, &tz); debug = verbose; if (debug) - printf("plpnfsd: version %s, mounting on %s\n", VERSION, dir); + printf("plpnfsd: version %s, mounting on %s ...\n", VERSION, dir); /* Check if mountdir is empty (or else you can overmount e.g /etc) It is done here, because exit hangs, if hardware flowcontrol is |