diff options
Diffstat (limited to 'support/export/nfsctl.c')
-rw-r--r-- | support/export/nfsctl.c | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/support/export/nfsctl.c b/support/export/nfsctl.c new file mode 100644 index 0000000..6612a76 --- /dev/null +++ b/support/export/nfsctl.c @@ -0,0 +1,105 @@ +/* + * support/export/nfsctl.c + * + * Communicate export information to knfsd. + * + * Copyright (C) 1995 Olaf Kirch <okir@monad.swb.de> + */ + +#include "config.h" + +#include <sys/stat.h> +#include <stdlib.h> +#include <string.h> +#include <ctype.h> +#include "nfslib.h" +#include "exportfs.h" +#include "xio.h" + +static int expsetup(struct nfsctl_export *exparg, nfs_export *exp); +static int cltsetup(struct nfsctl_client *cltarg, nfs_client *clp); + +int +export_export(nfs_export *exp) +{ + nfs_client * clp = exp->m_client; + struct nfsctl_export exparg; + struct nfsctl_client cltarg; + + if (!clp->m_exported) { + if (!cltsetup(&cltarg, clp)) + return 0; + if (nfsaddclient(&cltarg) < 0) + return 0; + clp->m_exported = 1; + } + if (!expsetup(&exparg, exp)) + return 0; + if (nfsexport(&exparg) < 0) + return 0; + exp->m_exported = 1; + return 1; +} + +int +export_unexport(nfs_export *exp) +{ + struct nfsctl_export exparg; + + if (!expsetup(&exparg, exp) || nfsunexport(&exparg) < 0) + return 0; + exp->m_exported = 0; + return 1; +} + +static void +str_tolower(char *s) +{ + for ( ; *s; s++) + if (isupper(*s)) + *s = tolower(*s); +} + +static int +cltsetup(struct nfsctl_client *cltarg, nfs_client *clp) +{ + int i; + + if (clp->m_type != MCL_FQDN) { + xlog(L_ERROR, "internal: can't export non-FQDN host"); + return 0; + } + memset(cltarg, 0, sizeof(*cltarg)); + strncpy(cltarg->cl_ident, clp->m_hostname, + sizeof (cltarg->cl_ident) - 1); + str_tolower(cltarg->cl_ident); + cltarg->cl_naddr = clp->m_naddr; + for (i = 0; i < cltarg->cl_naddr && i < NFSCLNT_ADDRMAX; i++) + cltarg->cl_addrlist[i] = clp->m_addrlist[i]; + + return 1; +} + +static int +expsetup(struct nfsctl_export *exparg, nfs_export *exp) +{ + nfs_client *clp = exp->m_client; + struct stat stb; + + if (stat(exp->m_export.m_path, &stb) < 0) + return 0; + + memset(exparg, 0, sizeof(*exparg)); + strncpy(exparg->ex_path, exp->m_export.m_path, + sizeof (exparg->ex_path) - 1); + strncpy(exparg->ex_client, clp->m_hostname, + sizeof (exparg->ex_client) - 1); + str_tolower(exparg->ex_client); + exparg->ex_flags = exp->m_export.e_flags; + exparg->ex_dev = stb.st_dev; + exparg->ex_ino = stb.st_ino; + exparg->ex_anon_uid = exp->m_export.e_anonuid; + exparg->ex_anon_gid = exp->m_export.e_anongid; + + return 1; +} |