X-Git-Url: https://git.decadent.org.uk/gitweb/?p=nfs-utils.git;a=blobdiff_plain;f=utils%2Fmount%2Fnetwork.c;h=12fc7620877b11eb6d8e84e042302a445b42f465;hp=c11fa3ea2dd72eb33b3e9c3c02d2fa507314dcc5;hb=4a986ff4663413c29ceee4b8b9355ea4bc169d71;hpb=0dfc8a5426381c6d65aed4d9d0e50bae3238cc8f diff --git a/utils/mount/network.c b/utils/mount/network.c index c11fa3e..12fc762 100644 --- a/utils/mount/network.c +++ b/utils/mount/network.c @@ -106,12 +106,13 @@ int nfs_gethostbyname(const char *hostname, struct sockaddr_in *saddr) saddr->sin_family = AF_INET; if (!inet_aton(hostname, &saddr->sin_addr)) { if ((hp = gethostbyname(hostname)) == NULL) { - nfs_error(_("mount: can't get address for %s\n"), - hostname); + nfs_error(_("%s: can't get address for %s\n"), + progname, hostname); return 0; } else { if (hp->h_length > sizeof(*saddr)) { - nfs_error(_("mount: got bad hp->h_length\n")); + nfs_error(_("%s: got bad hp->h_length\n"), + progname); hp->h_length = sizeof(*saddr); } memcpy(&saddr->sin_addr, hp->h_addr, hp->h_length); @@ -244,7 +245,7 @@ out_ok: return 1; } -int probe_nfsport(clnt_addr_t *nfs_server) +static int probe_nfsport(clnt_addr_t *nfs_server) { struct pmap *pmap = &nfs_server->pmap; @@ -257,7 +258,7 @@ int probe_nfsport(clnt_addr_t *nfs_server) return probe_port(nfs_server, probe_nfs2_only, probe_udp_only); } -int probe_mntport(clnt_addr_t *mnt_server) +static int probe_mntport(clnt_addr_t *mnt_server) { struct pmap *pmap = &mnt_server->pmap; @@ -316,3 +317,92 @@ version_fixed: goto out_bad; return probe_mntport(mnt_server); } + +static int probe_statd(void) +{ + struct sockaddr_in addr; + unsigned short port; + + memset(&addr, 0, sizeof(addr)); + addr.sin_family = AF_INET; + addr.sin_addr.s_addr = htonl(INADDR_LOOPBACK); + port = getport(&addr, 100024, 1, IPPROTO_UDP); + + if (port == 0) + return 0; + addr.sin_port = htons(port); + + if (clnt_ping(&addr, 100024, 1, IPPROTO_UDP, NULL) <= 0) + return 0; + + return 1; +} + +/* + * Attempt to start rpc.statd + */ +int start_statd(void) +{ +#ifdef START_STATD + struct stat stb; +#endif + + if (probe_statd()) + return 1; + +#ifdef START_STATD + if (stat(START_STATD, &stb) == 0) { + if (S_ISREG(stb.st_mode) && (stb.st_mode & S_IXUSR)) { + system(START_STATD); + if (probe_statd()) + return 1; + } + } +#endif + + return 0; +} + +/* + * nfs_call_umount - ask the server to remove a share from it's rmtab + * @mnt_server: address of RPC MNT program server + * @argp: directory path of share to "unmount" + * + * Returns one if the unmount call succeeded; zero if the unmount + * failed for any reason. + * + * Note that a side effect of calling this function is that rpccreateerr + * is set. + */ +int nfs_call_umount(clnt_addr_t *mnt_server, dirpath *argp) +{ + CLIENT *clnt; + enum clnt_stat res = 0; + int msock; + + switch (mnt_server->pmap.pm_vers) { + case 3: + case 2: + case 1: + if (!probe_mntport(mnt_server)) + return 0; + clnt = mnt_openclnt(mnt_server, &msock); + if (!clnt) + return 0; + res = clnt_call(clnt, MOUNTPROC_UMNT, + (xdrproc_t)xdr_dirpath, (caddr_t)argp, + (xdrproc_t)xdr_void, NULL, + TIMEOUT); + mnt_closeclnt(clnt, msock); + if (res == RPC_SUCCESS) + return 1; + break; + default: + res = RPC_SUCCESS; + break; + } + + if (res == RPC_SUCCESS) + return 1; + return 0; +}