diff options
Diffstat (limited to 'src/passwd/getgr_r.c')
-rw-r--r-- | src/passwd/getgr_r.c | 42 |
1 files changed, 14 insertions, 28 deletions
diff --git a/src/passwd/getgr_r.c b/src/passwd/getgr_r.c index 3fe2e2b2..68b867d8 100644 --- a/src/passwd/getgr_r.c +++ b/src/passwd/getgr_r.c @@ -5,7 +5,6 @@ static int getgr_r(const char *name, gid_t gid, struct group *gr, char *buf, size_t size, struct group **res) { - FILE *f; char *line = 0; size_t len = 0; char **mem = 0; @@ -16,37 +15,24 @@ static int getgr_r(const char *name, gid_t gid, struct group *gr, char *buf, siz pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &cs); - f = fopen("/etc/group", "rbe"); - if (!f) { - rv = errno; - goto done; + rv = __getgr_a(name, gid, gr, &line, &len, &mem, &nmem, res); + if (!rv && size < len + (nmem+1)*sizeof(char *) + 32) { + *res = 0; + rv = ERANGE; } - - *res = 0; - while (__getgrent_a(f, gr, &line, &len, &mem, &nmem)) { - if (name && !strcmp(name, gr->gr_name) - || !name && gr->gr_gid == gid) { - if (size < len + (nmem+1)*sizeof(char *) + 32) { - rv = ERANGE; - break; - } - *res = gr; - buf += (16-(uintptr_t)buf)%16; - gr->gr_mem = (void *)buf; - buf += (nmem+1)*sizeof(char *); - memcpy(buf, line, len); - FIX(name); - FIX(passwd); - for (i=0; mem[i]; i++) - gr->gr_mem[i] = mem[i]-line+buf; - gr->gr_mem[i] = 0; - break; - } + if (!rv) { + buf += (16-(uintptr_t)buf)%16; + gr->gr_mem = (void *)buf; + buf += (nmem+1)*sizeof(char *); + memcpy(buf, line, len); + FIX(name); + FIX(passwd); + for (i=0; mem[i]; i++) + gr->gr_mem[i] = mem[i]-line+buf; + gr->gr_mem[i] = 0; } free(mem); free(line); - fclose(f); -done: pthread_setcancelstate(cs, 0); return rv; } |