#include "mount.h"
#define MOUNT_CIFS_VERSION_MAJOR "1"
-#define MOUNT_CIFS_VERSION_MINOR "13"
+#define MOUNT_CIFS_VERSION_MINOR "14"
#ifndef MOUNT_CIFS_VENDOR_SUFFIX
#ifdef _SAMBA_BUILD_
/* currently maximum length of IPv6 address string */
#define MAX_ADDRESS_LEN INET6_ADDRSTRLEN
+/*
+ * mount.cifs has been the subject of many "security" bugs that have arisen
+ * because of users and distributions installing it as a setuid root program.
+ * mount.cifs has not been audited for security. Thus, we strongly recommend
+ * that it not be installed setuid root. To make that abundantly clear,
+ * mount.cifs now check whether it's running setuid root and exit with an
+ * error if it is. If you wish to disable this check, then set the following
+ * #define to 1, but please realize that you do so at your own peril.
+ */
+#define CIFS_DISABLE_SETUID_CHECK 0
+
/*
* By default, mount.cifs follows the conventions set forth by /bin/mount
* for user mounts. That is, it requires that the mount be listed in
struct stat statbuf;
/* does mountpoint exist and is it a directory? */
- err = stat(mountpoint, &statbuf);
+ err = stat(".", &statbuf);
if (err) {
fprintf(stderr, "%s: failed to stat %s: %s\n", progname,
mountpoint, strerror(errno));
return 0;
}
+#if CIFS_DISABLE_SETUID_CHECK
+static int
+check_setuid(void)
+{
+ return 0;
+}
+#else /* CIFS_DISABLE_SETUID_CHECK */
+static int
+check_setuid(void)
+{
+ if (getuid() && !geteuid()) {
+ printf("This mount.cifs program has been built with the "
+ "ability to run as a setuid root program disabled.\n"
+ "mount.cifs has not been well audited for security "
+ "holes. Therefore the Samba team does not recommend "
+ "installing it as a setuid root program.\n");
+ return 1;
+ }
+
+ return 0;
+}
+#endif /* CIFS_DISABLE_SETUID_CHECK */
+
#if CIFS_LEGACY_SETUID_CHECK
static int
check_fstab(const char *progname, char *mountpoint, char *devname,
static char * check_for_domain(char **);
-static void mount_cifs_usage(void)
+static void mount_cifs_usage(FILE *stream)
{
- printf("\nUsage: %s <remotetarget> <dir> -o <options>\n", thisprogram);
- printf("\nMount the remote target, specified as a UNC name,");
- printf(" to a local directory.\n\nOptions:\n");
- printf("\tuser=<arg>\n\tpass=<arg>\n\tdom=<arg>\n");
- printf("\nLess commonly used options:");
- printf("\n\tcredentials=<filename>,guest,perm,noperm,setuids,nosetuids,rw,ro,");
- printf("\n\tsep=<char>,iocharset=<codepage>,suid,nosuid,exec,noexec,serverino,");
- printf("\n\tmapchars,nomapchars,nolock,servernetbiosname=<SRV_RFC1001NAME>");
- printf("\n\tdirectio,nounix,cifsacl,sec=<authentication mechanism>,sign");
- printf("\n\nOptions not needed for servers supporting CIFS Unix extensions");
- printf("\n\t(e.g. unneeded for mounts to most Samba versions):");
- printf("\n\tuid=<uid>,gid=<gid>,dir_mode=<mode>,file_mode=<mode>,sfu");
- printf("\n\nRarely used options:");
- printf("\n\tport=<tcpport>,rsize=<size>,wsize=<size>,unc=<unc_name>,ip=<ip_address>,");
- printf("\n\tdev,nodev,nouser_xattr,netbiosname=<OUR_RFC1001NAME>,hard,soft,intr,");
- printf("\n\tnointr,ignorecase,noposixpaths,noacl,prefixpath=<path>,nobrl");
- printf("\n\tin6_addr");
- printf("\n\nOptions are described in more detail in the manual page");
- printf("\n\tman 8 mount.cifs\n");
- printf("\nTo display the version number of the mount helper:");
- printf("\n\t%s -V\n",thisprogram);
+ fprintf(stream, "\nUsage: %s <remotetarget> <dir> -o <options>\n", thisprogram);
+ fprintf(stream, "\nMount the remote target, specified as a UNC name,");
+ fprintf(stream, " to a local directory.\n\nOptions:\n");
+ fprintf(stream, "\tuser=<arg>\n\tpass=<arg>\n\tdom=<arg>\n");
+ fprintf(stream, "\nLess commonly used options:");
+ fprintf(stream, "\n\tcredentials=<filename>,guest,perm,noperm,setuids,nosetuids,rw,ro,");
+ fprintf(stream, "\n\tsep=<char>,iocharset=<codepage>,suid,nosuid,exec,noexec,serverino,");
+ fprintf(stream, "\n\tmapchars,nomapchars,nolock,servernetbiosname=<SRV_RFC1001NAME>");
+ fprintf(stream, "\n\tdirectio,nounix,cifsacl,sec=<authentication mechanism>,sign");
+ fprintf(stream, "\n\nOptions not needed for servers supporting CIFS Unix extensions");
+ fprintf(stream, "\n\t(e.g. unneeded for mounts to most Samba versions):");
+ fprintf(stream, "\n\tuid=<uid>,gid=<gid>,dir_mode=<mode>,file_mode=<mode>,sfu");
+ fprintf(stream, "\n\nRarely used options:");
+ fprintf(stream, "\n\tport=<tcpport>,rsize=<size>,wsize=<size>,unc=<unc_name>,ip=<ip_address>,");
+ fprintf(stream, "\n\tdev,nodev,nouser_xattr,netbiosname=<OUR_RFC1001NAME>,hard,soft,intr,");
+ fprintf(stream, "\n\tnointr,ignorecase,noposixpaths,noacl,prefixpath=<path>,nobrl");
+ fprintf(stream, "\n\nOptions are described in more detail in the manual page");
+ fprintf(stream, "\n\tman 8 mount.cifs\n");
+ fprintf(stream, "\nTo display the version number of the mount helper:");
+ fprintf(stream, "\n\t%s -V\n",thisprogram);
SAFE_FREE(mountpassword);
+
+ if (stream == stderr)
+ exit(EX_USAGE);
+ exit(0);
}
/* caller frees username if necessary */
char * temp_val;
FILE * fs;
int i, length;
+
+ i = access(file_name, R_OK);
+ if (i)
+ return i;
+
fs = fopen(file_name,"r");
if(fs == NULL)
return errno;
}
}
if(length > 4086) {
- printf("mount.cifs failed due to malformed username in credentials file");
+ fprintf(stderr, "mount.cifs failed due to malformed username in credentials file\n");
memset(line_buf,0,4096);
exit(EX_USAGE);
} else {
}
}
if(length > MOUNT_PASSWD_SIZE) {
- printf("mount.cifs failed: password in credentials file too long\n");
+ fprintf(stderr, "mount.cifs failed: password in credentials file too long\n");
memset(line_buf,0, 4096);
exit(EX_USAGE);
} else {
/* go past equals sign */
temp_val++;
if(verboseflag)
- printf("\nDomain %s\n",temp_val);
+ fprintf(stderr, "\nDomain %s\n",temp_val);
for(length = 0;length<DOMAIN_SIZE+1;length++) {
if ((temp_val[length] == '\n')
|| (temp_val[length] == '\0')) {
}
}
if(length > DOMAIN_SIZE) {
- printf("mount.cifs failed: domain in credentials file too long\n");
+ fprintf(stderr, "mount.cifs failed: domain in credentials file too long\n");
exit(EX_USAGE);
} else {
if(domain_name == NULL) {
memset(mountpassword, 0, MOUNT_PASSWD_SIZE);
if (mountpassword == NULL) {
- printf("malloc failed\n");
+ fprintf(stderr, "malloc failed\n");
exit(EX_SYSERR);
}
if(filename != NULL) {
+ rc = access(filename, R_OK);
+ if (rc) {
+ fprintf(stderr, "mount.cifs failed: access check of %s failed: %s\n",
+ filename, strerror(errno));
+ exit(EX_SYSERR);
+ }
file_descript = open(filename, O_RDONLY);
if(file_descript < 0) {
- printf("mount.cifs failed. %s attempting to open password file %s\n",
+ fprintf(stderr, "mount.cifs failed. %s attempting to open password file %s\n",
strerror(errno),filename);
exit(EX_SYSERR);
}
for(i=0;i<MOUNT_PASSWD_SIZE;i++) {
rc = read(file_descript,&c,1);
if(rc < 0) {
- printf("mount.cifs failed. Error %s reading password file\n",strerror(errno));
+ fprintf(stderr, "mount.cifs failed. Error %s reading password file\n",strerror(errno));
if(filename != NULL)
close(file_descript);
exit(EX_SYSERR);
} else if(rc == 0) {
if(mountpassword[0] == 0) {
if(verboseflag)
- printf("\nWarning: null password used since cifs password file empty");
+ fprintf(stderr, "\nWarning: null password used since cifs password file empty");
}
break;
} else /* read valid character */ {
}
}
if((i == MOUNT_PASSWD_SIZE) && (verboseflag)) {
- printf("\nWarning: password longer than %d characters specified in cifs password file",
+ fprintf(stderr, "\nWarning: password longer than %d characters specified in cifs password file",
MOUNT_PASSWD_SIZE);
}
got_password = 1;
return 1;
data = *optionsp;
- if(verboseflag)
- printf("parsing options: %s\n", data);
-
/* BB fixme check for separator override BB */
if (getuid()) {
*filesys_flags |= MS_USER;
goto nocopy;
} else {
- printf("username specified with no parameter\n");
+ fprintf(stderr, "username specified with no parameter\n");
SAFE_FREE(out);
return 1; /* needs_arg; */
}
mountpassword = (char *)calloc(MOUNT_PASSWD_SIZE+1,1);
if(mountpassword) {
if(got_password)
- printf("\nmount.cifs warning - password specified twice\n");
+ fprintf(stderr, "\nmount.cifs warning - password specified twice\n");
got_password = 1;
percent_char++;
strlcpy(mountpassword, percent_char,MOUNT_PASSWD_SIZE+1);
invoked */
domain_name = check_for_domain(&value);
} else {
- printf("username too long\n");
+ fprintf(stderr, "username too long\n");
SAFE_FREE(out);
return 1;
}
} else if (strncmp(data, "pass", 4) == 0) {
if (!value || !*value) {
if(got_password) {
- printf("\npassword specified twice, ignoring second\n");
+ fprintf(stderr, "\npassword specified twice, ignoring second\n");
} else
got_password = 1;
} else if (strnlen(value, MOUNT_PASSWD_SIZE) < MOUNT_PASSWD_SIZE) {
- if(got_password)
- printf("\nmount.cifs warning - password specified twice\n");
- got_password = 1;
+ if (got_password) {
+ fprintf(stderr, "\nmount.cifs warning - password specified twice\n");
+ } else {
+ mountpassword = strndup(value, MOUNT_PASSWD_SIZE);
+ if (!mountpassword) {
+ fprintf(stderr, "mount.cifs error: %s", strerror(ENOMEM));
+ SAFE_FREE(out);
+ return 1;
+ }
+ got_password = 1;
+ }
} else {
- printf("password too long\n");
+ fprintf(stderr, "password too long\n");
SAFE_FREE(out);
return 1;
}
+ goto nocopy;
} else if (strncmp(data, "sec", 3) == 0) {
if (value) {
if (!strncmp(value, "none", 4) ||
}
} else if (strncmp(data, "ip", 2) == 0) {
if (!value || !*value) {
- printf("target ip address argument missing");
+ fprintf(stderr, "target ip address argument missing");
} else if (strnlen(value, MAX_ADDRESS_LEN) <= MAX_ADDRESS_LEN) {
if(verboseflag)
- printf("ip address %s override specified\n",value);
+ fprintf(stderr, "ip address %s override specified\n",value);
got_ip = 1;
} else {
- printf("ip address too long\n");
+ fprintf(stderr, "ip address too long\n");
SAFE_FREE(out);
return 1;
}
|| (strncmp(data, "target", 6) == 0)
|| (strncmp(data, "path", 4) == 0)) {
if (!value || !*value) {
- printf("invalid path to network resource\n");
+ fprintf(stderr, "invalid path to network resource\n");
SAFE_FREE(out);
return 1; /* needs_arg; */
} else if(strnlen(value,5) < 5) {
- printf("UNC name too short");
+ fprintf(stderr, "UNC name too short");
}
if (strnlen(value, 300) < 300) {
got_unc = 1;
if (strncmp(value, "//", 2) == 0) {
if(got_unc)
- printf("unc name specified twice, ignoring second\n");
+ fprintf(stderr, "unc name specified twice, ignoring second\n");
else
got_unc = 1;
} else if (strncmp(value, "\\\\", 2) != 0) {
- printf("UNC Path does not begin with // or \\\\ \n");
+ fprintf(stderr, "UNC Path does not begin with // or \\\\ \n");
SAFE_FREE(out);
return 1;
} else {
if(got_unc)
- printf("unc name specified twice, ignoring second\n");
+ fprintf(stderr, "unc name specified twice, ignoring second\n");
else
got_unc = 1;
}
} else {
- printf("CIFS: UNC name too long\n");
+ fprintf(stderr, "CIFS: UNC name too long\n");
SAFE_FREE(out);
return 1;
}
such as "DOM" and "dom" and "workgroup"
and "WORKGRP" etc. */
if (!value || !*value) {
- printf("CIFS: invalid domain name\n");
+ fprintf(stderr, "CIFS: invalid domain name\n");
SAFE_FREE(out);
return 1; /* needs_arg; */
}
if (strnlen(value, DOMAIN_SIZE+1) < DOMAIN_SIZE+1) {
got_domain = 1;
} else {
- printf("domain name too long\n");
+ fprintf(stderr, "domain name too long\n");
SAFE_FREE(out);
return 1;
}
if (value && *value) {
rc = open_cred_file(value);
if(rc) {
- printf("error %d (%s) opening credential file %s\n",
+ fprintf(stderr, "error %d (%s) opening credential file %s\n",
rc, strerror(rc), value);
SAFE_FREE(out);
return 1;
}
} else {
- printf("invalid credential file name specified\n");
+ fprintf(stderr, "invalid credential file name specified\n");
SAFE_FREE(out);
return 1;
}
struct passwd *pw;
if (!(pw = getpwnam(value))) {
- printf("bad user name \"%s\"\n", value);
+ fprintf(stderr, "bad user name \"%s\"\n", value);
exit(EX_USAGE);
}
snprintf(user, sizeof(user), "%u", pw->pw_uid);
struct group *gr;
if (!(gr = getgrnam(value))) {
- printf("bad group name \"%s\"\n", value);
+ fprintf(stderr, "bad group name \"%s\"\n", value);
exit(EX_USAGE);
}
snprintf(group, sizeof(group), "%u", gr->gr_gid);
/* fmask and dmask synonyms for people used to smbfs syntax */
} else if (strcmp(data, "file_mode") == 0 || strcmp(data, "fmask")==0) {
if (!value || !*value) {
- printf ("Option '%s' requires a numerical argument\n", data);
+ fprintf(stderr, "Option '%s' requires a numerical argument\n", data);
SAFE_FREE(out);
return 1;
}
if (value[0] != '0') {
- printf ("WARNING: '%s' not expressed in octal.\n", data);
+ fprintf(stderr, "WARNING: '%s' not expressed in octal.\n", data);
}
if (strcmp (data, "fmask") == 0) {
- printf ("WARNING: CIFS mount option 'fmask' is deprecated. Use 'file_mode' instead.\n");
+ fprintf(stderr, "WARNING: CIFS mount option 'fmask' is deprecated. Use 'file_mode' instead.\n");
data = "file_mode"; /* BB fix this */
}
} else if (strcmp(data, "dir_mode") == 0 || strcmp(data, "dmask")==0) {
if (!value || !*value) {
- printf ("Option '%s' requires a numerical argument\n", data);
+ fprintf(stderr, "Option '%s' requires a numerical argument\n", data);
SAFE_FREE(out);
return 1;
}
if (value[0] != '0') {
- printf ("WARNING: '%s' not expressed in octal.\n", data);
+ fprintf(stderr, "WARNING: '%s' not expressed in octal.\n", data);
}
if (strcmp (data, "dmask") == 0) {
- printf ("WARNING: CIFS mount option 'dmask' is deprecated. Use 'dir_mode' instead.\n");
+ fprintf(stderr, "WARNING: CIFS mount option 'dmask' is deprecated. Use 'dir_mode' instead.\n");
data = "dir_mode";
}
/* the following eight mount options should be
got_password = 1;
} else if (strncmp(data, "ro", 2) == 0) {
*filesys_flags |= MS_RDONLY;
+ goto nocopy;
} else if (strncmp(data, "rw", 2) == 0) {
*filesys_flags &= ~MS_RDONLY;
+ goto nocopy;
} else if (strncmp(data, "remount", 7) == 0) {
*filesys_flags |= MS_REMOUNT;
} /* else if (strnicmp(data, "port", 4) == 0) {
}
} else if (strnicmp(data, "version", 3) == 0) {
} else {
- printf("CIFS: Unknown mount option %s\n",data);
+ fprintf(stderr, "CIFS: Unknown mount option %s\n",data);
} */ /* nothing to do on those four mount options above.
Just pass to kernel and ignore them here */
return;
if(number_of_commas > MOUNT_PASSWD_SIZE) {
/* would otherwise overflow the mount options buffer */
- printf("\nInvalid password. Password contains too many commas.\n");
+ fprintf(stderr, "\nInvalid password. Password contains too many commas.\n");
return;
}
}
if(got_domain) {
- printf("Domain name specified twice. Username probably malformed\n");
+ fprintf(stderr, "Domain name specified twice. Username probably malformed\n");
return NULL;
}
if (domainnm[0] != 0) {
got_domain = 1;
} else {
- printf("null domain\n");
+ fprintf(stderr, "null domain\n");
}
len = strlen(domainnm);
/* reset domainm to new buffer, and copy
int rc;
if(length > (MAX_UNC_LEN - 1)) {
- printf("mount error: UNC name too long");
+ fprintf(stderr, "mount error: UNC name too long");
return NULL;
}
if ((strncasecmp("cifs://", unc_name, 7) == 0) ||
(strncasecmp("smb://", unc_name, 6) == 0)) {
- printf("\nMounting cifs URL not implemented yet. Attempt to mount %s\n", unc_name);
+ fprintf(stderr, "\nMounting cifs URL not implemented yet. Attempt to mount %s\n", unc_name);
return NULL;
}
if(length < 3) {
/* BB add code to find DFS root here */
- printf("\nMounting the DFS root for domain not implemented yet\n");
+ fprintf(stderr, "\nMounting the DFS root for domain not implemented yet\n");
return NULL;
} else {
if(strncmp(unc_name,"//",2) && strncmp(unc_name,"\\\\",2)) {
unc_name[length+2] = 0;
goto continue_unc_parsing;
} else {
- printf("mount error: improperly formatted UNC name.");
- printf(" %s does not begin with \\\\ or //\n",unc_name);
+ fprintf(stderr, "mount error: improperly formatted UNC name.");
+ fprintf(stderr, " %s does not begin with \\\\ or //\n",unc_name);
return NULL;
}
} else {
if(got_ip == 0) {
rc = getaddrinfo(unc_name, NULL, NULL, &addrlist);
if (rc != 0) {
- printf("mount error: could not resolve address for %s: %s\n",
+ fprintf(stderr, "mount error: could not resolve address for %s: %s\n",
unc_name, gai_strerror(rc));
addrlist = NULL;
}
}
if(got_ip) {
if(verboseflag)
- printf("ip address specified explicitly\n");
+ fprintf(stderr, "ip address specified explicitly\n");
return NULL;
}
/* BB should we pass an alternate version of the share name as Unicode */
return addrlist;
} else {
/* BB add code to find DFS root (send null path on get DFS Referral to specified server here */
- printf("Mounting the DFS root for a particular server not implemented yet\n");
+ fprintf(stderr, "Mounting the DFS root for a particular server not implemented yet\n");
return NULL;
}
}
MOUNT_CIFS_VENDOR_SUFFIX);
}
+/*
+ * This function borrowed from fuse-utils...
+ *
+ * glibc's addmntent (at least as of 2.10 or so) doesn't properly encode
+ * newlines embedded within the text fields. To make sure no one corrupts
+ * the mtab, fail the mount if there are embedded newlines.
+ */
+static int check_newline(const char *progname, const char *name)
+{
+ char *s;
+ for (s = "\n"; *s; s++) {
+ if (strchr(name, *s)) {
+ fprintf(stderr, "%s: illegal character 0x%02x in mount entry\n",
+ progname, *s);
+ return EX_USAGE;
+ }
+ }
+ return 0;
+}
+
+static int check_mtab(const char *progname, const char *devname,
+ const char *dir)
+{
+ if (check_newline(progname, devname) == -1 ||
+ check_newline(progname, dir) == -1)
+ return EX_USAGE;
+ return 0;
+}
+
+
int main(int argc, char ** argv)
{
int c;
struct sockaddr_in6 *addr6;
FILE * pmntfile;
+ if (check_setuid())
+ return EX_USAGE;
+
/* setlocale(LC_ALL, "");
bindtextdomain(PACKAGE, LOCALEDIR);
textdomain(PACKAGE); */
- if(argc && argv) {
+ if(argc && argv)
thisprogram = argv[0];
- } else {
- mount_cifs_usage();
- exit(EX_USAGE);
- }
+ else
+ mount_cifs_usage(stderr);
if(thisprogram == NULL)
thisprogram = "mount.cifs";
/* BB add workstation name and domain and pass down */
/* #ifdef _GNU_SOURCE
- printf(" node: %s machine: %s sysname %s domain %s\n", sysinfo.nodename,sysinfo.machine,sysinfo.sysname,sysinfo.domainname);
+ fprintf(stderr, " node: %s machine: %s sysname %s domain %s\n", sysinfo.nodename,sysinfo.machine,sysinfo.sysname,sysinfo.domainname);
#endif */
if(argc > 2) {
dev_name = argv[1];
if ((strcmp(argv[1], "-h") == 0) ||
(strcmp(argv[1], "-?") == 0) ||
(strcmp(argv[1], "--help") == 0))
- {
- mount_cifs_usage();
- exit(0);
- }
+ mount_cifs_usage(stdout);
- mount_cifs_usage();
- exit(EX_USAGE);
+ mount_cifs_usage(stderr);
} else {
- mount_cifs_usage();
- exit(EX_USAGE);
+ mount_cifs_usage(stderr);
}
case '?':
case 'h': /* help */
- mount_cifs_usage ();
- exit(0);
+ mount_cifs_usage(stdout);
case 'n':
++nomtab;
break;
uid = strtoul(optarg, &ep, 10);
if (*ep) {
- printf("bad uid value \"%s\"\n", optarg);
+ fprintf(stderr, "bad uid value \"%s\"\n", optarg);
exit(EX_USAGE);
}
} else {
struct passwd *pw;
if (!(pw = getpwnam(optarg))) {
- printf("bad user name \"%s\"\n", optarg);
+ fprintf(stderr, "bad user name \"%s\"\n", optarg);
exit(EX_USAGE);
}
uid = pw->pw_uid;
gid = strtoul(optarg, &ep, 10);
if (*ep) {
- printf("bad gid value \"%s\"\n", optarg);
+ fprintf(stderr, "bad gid value \"%s\"\n", optarg);
exit(EX_USAGE);
}
} else {
struct group *gr;
if (!(gr = getgrnam(optarg))) {
- printf("bad user name \"%s\"\n", optarg);
+ fprintf(stderr, "bad user name \"%s\"\n", optarg);
exit(EX_USAGE);
}
gid = gr->gr_gid;
++fakemnt;
break;
default:
- printf("unknown mount option %c\n",c);
- mount_cifs_usage();
- exit(EX_USAGE);
+ fprintf(stderr, "unknown mount option %c\n",c);
+ mount_cifs_usage(stderr);
}
}
if((argc < 3) || (dev_name == NULL) || (mountpoint == NULL)) {
- mount_cifs_usage();
- exit(EX_USAGE);
+ mount_cifs_usage(stderr);
}
/* make sure mountpoint is legit */
+ rc = chdir(mountpoint);
+ if (rc) {
+ fprintf(stderr, "Couldn't chdir to %s: %s\n", mountpoint,
+ strerror(errno));
+ rc = EX_USAGE;
+ goto mount_exit;
+ }
+
rc = check_mountpoint(thisprogram, mountpoint);
if (rc)
goto mount_exit;
addrhead = addr = parse_server(&share_name);
if((addrhead == NULL) && (got_ip == 0)) {
- printf("No ip address specified and hostname not found\n");
+ fprintf(stderr, "No ip address specified and hostname not found\n");
rc = EX_USAGE;
goto mount_exit;
}
/* BB save off path and pop after mount returns? */
resolved_path = (char *)malloc(PATH_MAX+1);
- if(resolved_path) {
- /* Note that if we can not canonicalize the name, we get
- another chance to see if it is valid when we chdir to it */
- if (realpath(mountpoint, resolved_path)) {
- mountpoint = resolved_path;
- }
+ if (!resolved_path) {
+ fprintf(stderr, "Unable to allocate memory.\n");
+ rc = EX_SYSERR;
+ goto mount_exit;
}
+
+ /* Note that if we can not canonicalize the name, we get
+ another chance to see if it is valid when we chdir to it */
+ if(!realpath(".", resolved_path)) {
+ fprintf(stderr, "Unable to resolve %s to canonical path: %s\n",
+ mountpoint, strerror(errno));
+ rc = EX_SYSERR;
+ goto mount_exit;
+ }
+
+ mountpoint = resolved_path;
+
if(got_user == 0) {
/* Note that the password will not be retrieved from the
USER env variable (ie user%password form) as there is
no good replacement yet. */
mountpassword = (char *)calloc(MOUNT_PASSWD_SIZE+1,1);
if (!tmp_pass || !mountpassword) {
- printf("Password not entered, exiting\n");
+ fprintf(stderr, "Password not entered, exiting\n");
exit(EX_USAGE);
}
strlcpy(mountpassword, tmp_pass, MOUNT_PASSWD_SIZE+1);
if(share_name)
optlen += strlen(share_name) + 4;
else {
- printf("No server share name specified\n");
- printf("\nMounting the DFS root for server not implemented yet\n");
+ fprintf(stderr, "No server share name specified\n");
+ fprintf(stderr, "\nMounting the DFS root for server not implemented yet\n");
exit(EX_USAGE);
}
if(user_name)
options = (char *)malloc(options_size /* space for commas in password */ + 8 /* space for domain= , domain name itself was counted as part of the length username string above */);
if(options == NULL) {
- printf("Could not allocate memory for mount options\n");
+ fprintf(stderr, "Could not allocate memory for mount options\n");
exit(EX_SYSERR);
}
strlcat(options,domain_name,options_size);
}
}
- if(mountpassword) {
- /* Commas have to be doubled, or else they will
- look like the parameter separator */
-/* if(sep is not set)*/
- if(retry == 0)
- check_for_comma(&mountpassword);
- strlcat(options,",pass=",options_size);
- strlcat(options,mountpassword,options_size);
- }
strlcat(options,",ver=",options_size);
strlcat(options,MOUNT_CIFS_VERSION_MAJOR,options_size);
strlcat(options,",prefixpath=",options_size);
strlcat(options,prefixpath,options_size); /* no need to cat the / */
}
- if(verboseflag)
- printf("\nmount.cifs kernel mount options %s \n",options);
/* convert all '\\' to '/' in share portion so that /proc/mounts looks pretty */
replace_char(dev_name, '\\', '/', strlen(share_name));
ipaddr = inet_ntop(AF_INET, &addr4->sin_addr, optionstail,
options_size - current_len);
break;
+ default:
+ ipaddr = NULL;
}
/* if the address looks bogus, try the next one */
}
}
- if (!fakemnt && mount(dev_name, mountpoint, "cifs", flags, options)) {
+ if (addr && addr->ai_addr->sa_family == AF_INET6 && addr6->sin6_scope_id) {
+ strlcat(options, "%", options_size);
+ current_len = strnlen(options, options_size);
+ optionstail = options + current_len;
+ snprintf(optionstail, options_size - current_len, "%u",
+ addr6->sin6_scope_id);
+ }
+
+ if(verboseflag)
+ fprintf(stderr, "\nmount.cifs kernel mount options: %s", options);
+
+ if (mountpassword) {
+ /*
+ * Commas have to be doubled, or else they will
+ * look like the parameter separator
+ */
+ if(retry == 0)
+ check_for_comma(&mountpassword);
+ strlcat(options,",pass=",options_size);
+ strlcat(options,mountpassword,options_size);
+ if (verboseflag)
+ fprintf(stderr, ",pass=********");
+ }
+
+ if (verboseflag)
+ fprintf(stderr, "\n");
+
+ rc = check_mtab(thisprogram, dev_name, mountpoint);
+ if (rc)
+ goto mount_exit;
+
+ if (!fakemnt && mount(dev_name, ".", "cifs", flags, options)) {
switch (errno) {
case ECONNREFUSED:
case EHOSTUNREACH:
}
break;
case ENODEV:
- printf("mount error: cifs filesystem not supported by the system\n");
+ fprintf(stderr, "mount error: cifs filesystem not supported by the system\n");
break;
case ENXIO:
if(retry == 0) {
if (uppercase_string(dev_name) &&
uppercase_string(share_name) &&
uppercase_string(prefixpath)) {
- printf("retrying with upper case share name\n");
+ fprintf(stderr, "retrying with upper case share name\n");
goto mount_retry;
}
}
}
- printf("mount error(%d): %s\n", errno, strerror(errno));
- printf("Refer to the mount.cifs(8) manual page (e.g. man "
+ fprintf(stderr, "mount error(%d): %s\n", errno, strerror(errno));
+ fprintf(stderr, "Refer to the mount.cifs(8) manual page (e.g. man "
"mount.cifs)\n");
rc = EX_FAIL;
goto mount_exit;
atexit(unlock_mtab);
rc = lock_mtab();
if (rc) {
- printf("cannot lock mtab");
+ fprintf(stderr, "cannot lock mtab");
goto mount_exit;
}
pmntfile = setmntent(MOUNTED, "a+");
if (!pmntfile) {
- printf("could not update mount table\n");
+ fprintf(stderr, "could not update mount table\n");
unlock_mtab();
rc = EX_FILEIO;
goto mount_exit;