X-Git-Url: https://git.decadent.org.uk/gitweb/?p=nfs-utils.git;a=blobdiff_plain;f=support%2Fexport%2Frmtab.c;h=d16b3b33b692dd421814590c2dcaddeeab0dd957;hp=3c55267a8e7cfa5653f0fbffa314fc43b88bba8f;hb=HEAD;hpb=37e49789ab1cd849def25ba4c4d97ccdb11d1e61 diff --git a/support/export/rmtab.c b/support/export/rmtab.c index 3c55267..d16b3b3 100644 --- a/support/export/rmtab.c +++ b/support/export/rmtab.c @@ -1,63 +1,78 @@ /* - * support/export/rmntab.c + * support/export/rmtab.c * - * Interface to the rmnt file. + * Interface to the rmtab file. * */ -#include "config.h" +#ifdef HAVE_CONFIG_H +#include +#endif #include #include #include -#include "xmalloc.h" + #include "misc.h" #include "nfslib.h" #include "exportfs.h" #include "xio.h" #include "xlog.h" +/* + * See if the entry already exists. If not, + * this was an instantiated wild card, and we + * must add it. + */ +static void +rmtab_read_wildcard(struct rmtabent *rep) +{ + nfs_export *exp, *exp2; + struct addrinfo *ai; + + ai = host_addrinfo(rep->r_client); + if (ai == NULL) + return; + + exp = export_allowed(ai, rep->r_path); + freeaddrinfo(ai); + if (exp == NULL) + return; + + exp2 = export_lookup(rep->r_client, exp->m_export.e_path, 0); + if (exp2 == NULL) { + struct exportent ee; + + memset(&ee, 0, sizeof(ee)); + dupexportent(&ee, &exp->m_export); + + ee.e_hostname = rep->r_client; + exp2 = export_create(&ee, 0); + exp2->m_changed = exp->m_changed; + } + exp2->m_mayexport = 1; +} + int rmtab_read(void) { struct rmtabent *rep; - nfs_export *exp; setrmtabent("r"); while ((rep = getrmtabent(1, NULL)) != NULL) { - struct exportent *xp; - struct hostent *hp = NULL; int htype; - - htype = client_gettype(rep->r_client); - if (htype == MCL_FQDN - && (hp = gethostbyname (rep->r_client)) - && (hp = hostent_dup (hp), - xp = export_allowed (hp, rep->r_path))) { - /* see if the entry already exists, otherwise this was an instantiated - * wild card, and we must add it - */ - exp = export_lookup(rep->r_client, xp->e_path, 0); - if (!exp) { - strncpy (xp->e_hostname, rep->r_client, - sizeof (xp->e_hostname) - 1); - xp->e_hostname[sizeof (xp->e_hostname) -1] = '\0'; - exp = export_create(xp, 0); - } - free (hp); - if (!exp) - continue; - exp->m_mayexport = 1; - } else if (hp) /* export_allowed failed */ - free(hp); + htype = client_gettype(rep->r_client); + if (htype == MCL_FQDN || htype == MCL_SUBNETWORK) + rmtab_read_wildcard(rep); } + if (errno == EINVAL) { /* Something goes wrong. We need to fix the rmtab file. */ int lockid; FILE *fp; - if ((lockid = xflock(_PATH_RMTAB, "w")) < 0) + if ((lockid = xflock(_PATH_RMTABLCK, "w")) < 0) return -1; rewindrmtabent(); if (!(fp = fsetrmtabent(_PATH_RMTABTMP, "w"))) {