/* $NetBSD: mount_smbfs.c,v 1.4 2013/12/26 16:52:36 christos Exp $ */ /* * Copyright (c) 2000-2002, Boris Popov * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Boris Popov. * 4. Neither the name of the author nor the names of any co-contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * Id: mount_smbfs.c,v 1.17 2002/04/10 04:17:51 bp Exp */ #include __RCSID("$NetBSD: mount_smbfs.c,v 1.4 2013/12/26 16:52:36 christos Exp $"); #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "mount_smbfs.h" #include "mntopts.h" static void usage(void) __dead; static const struct mntopt mopts[] = { MOPT_STDOPTS, { NULL, 0, 0, 0 } }; #ifndef MOUNT_NOMAIN int main(int argc, char *argv[]) { setprogname(argv[0]); return mount_smbfs(argc, argv); } #endif struct smb_ctx sctx; void mount_smbfs_parseargs(int argc, char *argv[], struct smbfs_args *mdatap, int *mntflagsp, char *canon_dev, char *mount_point) { struct smb_ctx *ctx = &sctx; struct stat st; char *next; int opt, error, caseopt; if (argc == 2) { if (strcmp(argv[1], "-h") == 0) { usage(); } else if (strcmp(argv[1], "-v") == 0) { errx(EX_OK, "version %d.%d.%d", SMBFS_VERSION / 100000, (SMBFS_VERSION % 10000) / 1000, (SMBFS_VERSION % 1000) / 100); } } if (argc < 3) usage(); if (smb_lib_init() != 0) exit(1); *mntflagsp = error = 0; memset(mdatap, 0, sizeof(*mdatap)); mdatap->uid = mdatap->gid = -1; caseopt = SMB_CS_NONE; if (smb_ctx_init(ctx, argc, argv, SMBL_SHARE, SMBL_SHARE, SMB_ST_DISK) != 0) exit(1); if (smb_ctx_readrc(ctx) != 0) exit(1); if (smb_rc) rc_close(smb_rc); while ((opt = getopt(argc, argv, STDPARAM_OPT"c:d:f:g:l:n:o:u:w:")) != -1) { switch (opt) { case STDPARAM_ARGS: error = smb_ctx_opt(ctx, opt, optarg); if (error) exit(1); break; case 'u': { struct passwd *pwd; pwd = isdigit((unsigned char)optarg[0]) ? getpwuid(atoi(optarg)) : getpwnam(optarg); if (pwd == NULL) errx(EX_NOUSER, "unknown user '%s'", optarg); mdatap->uid = pwd->pw_uid; break; } case 'g': { struct group *grp; grp = isdigit((unsigned char)optarg[0]) ? getgrgid(atoi(optarg)) : getgrnam(optarg); if (grp == NULL) errx(EX_NOUSER, "unknown group '%s'", optarg); mdatap->gid = grp->gr_gid; break; } case 'd': errno = 0; mdatap->dir_mode = strtol(optarg, &next, 8); if (errno || *next != 0) errx(EX_DATAERR, "invalid value for directory mode"); break; case 'f': errno = 0; mdatap->file_mode = strtol(optarg, &next, 8); if (errno || *next != 0) errx(EX_DATAERR, "invalid value for file mode"); break; case '?': usage(); /*NOTREACHED*/ case 'n': { char *inp, *nsp; nsp = inp = optarg; while ((nsp = strsep(&inp, ",;:")) != NULL) { if (strcasecmp(nsp, "LONG") == 0) mdatap->flags |= SMBFS_MOUNT_NO_LONG; else errx(EX_DATAERR, "unknown suboption '%s'", nsp); } break; }; case 'o': getmntopts(optarg, mopts, mntflagsp, 0); break; case 'c': switch (optarg[0]) { case 'l': caseopt |= SMB_CS_LOWER; break; case 'u': caseopt |= SMB_CS_UPPER; break; default: errx(EX_DATAERR, "invalid suboption '%c' for -c", optarg[0]); } break; default: usage(); } } if (optind == argc - 2) optind++; if (optind != argc - 1) usage(); realpath(argv[optind], mount_point); if (stat(mount_point, &st) == -1) err(EX_OSERR, "could not find mount point %s", mount_point); if (!S_ISDIR(st.st_mode)) { errno = ENOTDIR; err(EX_OSERR, "can't mount on %s", mount_point); } #ifdef notyet if (smb_getextattr(mount_point, &einfo) == 0) errx(EX_OSERR, "can't mount on %s twice", mount_point); #endif if (mdatap->uid == (uid_t)-1) mdatap->uid = st.st_uid; if (mdatap->gid == (gid_t)-1) mdatap->gid = st.st_gid; if (mdatap->file_mode == 0 ) mdatap->file_mode = st.st_mode & (S_IRWXU | S_IRWXG | S_IRWXO); if (mdatap->dir_mode == 0) { mdatap->dir_mode = mdatap->file_mode; if (mdatap->dir_mode & S_IRUSR) mdatap->dir_mode |= S_IXUSR; if (mdatap->dir_mode & S_IRGRP) mdatap->dir_mode |= S_IXGRP; if (mdatap->dir_mode & S_IROTH) mdatap->dir_mode |= S_IXOTH; } /* * For now, let connection be private for this mount */ ctx->ct_ssn.ioc_opt |= SMBVOPT_PRIVATE; if (getuid() == 0) ctx->ct_ssn.ioc_owner = ctx->ct_sh.ioc_owner = 0; /* root */ else ctx->ct_ssn.ioc_owner = ctx->ct_sh.ioc_owner = mdatap->uid; ctx->ct_ssn.ioc_group = ctx->ct_sh.ioc_group = mdatap->gid; opt = 0; if (mdatap->dir_mode & S_IXGRP) opt |= SMBM_EXECGRP; if (mdatap->dir_mode & S_IXOTH) opt |= SMBM_EXECOTH; ctx->ct_ssn.ioc_rights |= opt; ctx->ct_sh.ioc_rights |= opt; error = smb_ctx_resolve(ctx); if (error) err(1, "resolve %d", error); error = smb_ctx_lookup(ctx, SMBL_SHARE, SMBLK_CREATE); if (error) err(1, "lookup %d", error); mdatap->version = SMBFS_VERSION; mdatap->dev_fd = ctx->ct_fd; mdatap->caseopt = caseopt; snprintf(canon_dev, MAXPATHLEN, "//%s@%s/%s", ctx->ct_ssn.ioc_user[0] ? ctx->ct_ssn.ioc_user : "guest", ctx->ct_ssn.ioc_srvname, ctx->ct_sh.ioc_share); } int mount_smbfs(int argc, char *argv[]) { char canon_dev[MAXPATHLEN], canon_dir[MAXPATHLEN]; struct smbfs_args mdata; int mntflags, error; mount_smbfs_parseargs(argc, argv, &mdata, &mntflags, canon_dev, canon_dir); error = mount(SMBFS_VFSNAME, canon_dir, mntflags, &mdata, sizeof mdata); smb_ctx_done(&sctx); /* XXX */ if (error) { smb_error("mount error for %s: %s", error, canon_dir, strerror(errno)); exit(1); } return 0; } static void usage(void) { fprintf(stderr, "Usage: %s %s\n%s\n%s\n%s\n", "[-E cs1:cs2] [-I host] [-L locale] [-M crights:srights]", "\t[-N] [-O cowner:cgroup/sowner:sgroup] [-R retrycount]", "\t[-T timeout] [-W workgroup] [-c case] [-d mode] [-f mode]", "\t[-g gid] [-n opt] [-u uid] //user@server/share node", getprogname()); exit(1); }