+++ /dev/null
-/*
- Mount helper utility for Linux CIFS VFS (virtual filesystem) client
- Copyright (C) 2003 Steve French (sfrench@us.ibm.com)
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
-
-#ifndef _GNU_SOURCE
-#define _GNU_SOURCE
-#endif
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <unistd.h>
-#include <pwd.h>
-#include <sys/types.h>
-#include <sys/mount.h>
-#include <sys/stat.h>
-#include <sys/utsname.h>
-#include <sys/socket.h>
-#include <arpa/inet.h>
-#include <getopt.h>
-#include <errno.h>
-#include <netdb.h>
-#include <string.h>
-#include <mntent.h>
-#include <fcntl.h>
-
-#define MOUNT_CIFS_VERSION_MAJOR "1"
-#define MOUNT_CIFS_VERSION_MINOR "5"
-
-#ifndef MOUNT_CIFS_VENDOR_SUFFIX
-#define MOUNT_CIFS_VENDOR_SUFFIX ""
-#endif
-
-#ifndef MS_MOVE
-#define MS_MOVE 8192
-#endif
-
-char * thisprogram;
-int verboseflag = 0;
-static int got_password = 0;
-static int got_user = 0;
-static int got_domain = 0;
-static int got_ip = 0;
-static int got_unc = 0;
-static int got_uid = 0;
-static int got_gid = 0;
-static int free_share_name = 0;
-static char * user_name = NULL;
-char * mountpassword = NULL;
-
-
-/* BB finish BB
-
- cifs_umount
- open nofollow - avoid symlink exposure?
- get owner of dir see if matches self or if root
- call system(umount argv) etc.
-
-BB end finish BB */
-
-static void mount_cifs_usage(void)
-{
- 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,\n\trw,ro,sep=<char>,iocharset=<codepage>,suid,nosuid,exec,noexec");
- printf("\n\nOptions not needed for servers supporting CIFS Unix extensions (e.g. most Samba versions):");
- printf("\n\tuid=<uid>,gid=<gid>,dir_mode=<mode>,file_mode=<mode>");
- printf("\n\nRarely used options:");
- printf("\n\tport=<tcpport>,rsize=<size>,wsize=<size>,unc=<unc_name>,ip=<ip_address>,dev,nodev");
- 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);
-
- if(mountpassword) {
- memset(mountpassword,0,64);
- free(mountpassword);
- }
- exit(1);
-}
-
-/* caller frees username if necessary */
-static char * getusername(void) {
- char *username = NULL;
- struct passwd *password = getpwuid(getuid());
-
- if (password) {
- username = password->pw_name;
- }
- return username;
-}
-
-char * parse_cifs_url(char * unc_name)
-{
- printf("\nMounting cifs URL not implemented yet. Attempt to mount %s\n",unc_name);
- return NULL;
-}
-
-static int open_cred_file(char * file_name)
-{
- char * line_buf;
- char * temp_val;
- FILE * fs;
- int i, length;
- fs = fopen(file_name,"r");
- if(fs == NULL)
- return errno;
- line_buf = malloc(4096);
- if(line_buf == NULL)
- return -ENOMEM;
-
- while(fgets(line_buf,4096,fs)) {
- /* parse line from credential file */
-
- /* eat leading white space */
- for(i=0;i<4086;i++) {
- if((line_buf[i] != ' ') && (line_buf[i] != '\t'))
- break;
- /* if whitespace - skip past it */
- }
- if (strncasecmp("username",line_buf+i,8) == 0) {
- temp_val = strchr(line_buf + i,'=');
- if(temp_val) {
- /* go past equals sign */
- temp_val++;
- for(length = 0;length<4087;length++) {
- if(temp_val[length] == '\n')
- break;
- }
- if(length > 4086) {
- printf("mount.cifs failed due to malformed username in credentials file");
- memset(line_buf,0,4096);
- if(mountpassword) {
- memset(mountpassword,0,64);
- }
- exit(1);
- } else {
- got_user = 1;
- user_name = calloc(1 + length,1);
- /* BB adding free of user_name string before exit,
- not really necessary but would be cleaner */
- strncpy(user_name,temp_val, length);
- }
- }
- } else if (strncasecmp("password",line_buf+i,8) == 0) {
- temp_val = strchr(line_buf+i,'=');
- if(temp_val) {
- /* go past equals sign */
- temp_val++;
- for(length = 0;length<65;length++) {
- if(temp_val[length] == '\n')
- break;
- }
- if(length > 64) {
- printf("mount.cifs failed: password in credentials file too long\n");
- memset(line_buf,0, 4096);
- if(mountpassword) {
- memset(mountpassword,0,64);
- }
- exit(1);
- } else {
- if(mountpassword == NULL) {
- mountpassword = calloc(65,1);
- } else
- memset(mountpassword,0,64);
- if(mountpassword) {
- /* BB add handling for commas in password here */
- strncpy(mountpassword,temp_val,length);
- got_password = 1;
- }
- }
- }
- }
- }
- fclose(fs);
- if(line_buf) {
- memset(line_buf,0,4096);
- free(line_buf);
- }
- return 0;
-}
-
-static int get_password_from_file(int file_descript, char * filename)
-{
- int rc = 0;
- int i;
- char c;
-
- if(mountpassword == NULL)
- mountpassword = calloc(65,1);
- else
- memset(mountpassword, 0, 64);
-
- if(filename != NULL) {
- file_descript = open(filename, O_RDONLY);
- if(file_descript < 0) {
- printf("mount.cifs failed. %s attempting to open password file %s\n",
- strerror(errno),filename);
- exit(1);
- }
- }
- /* else file already open and fd provided */
-
- for(i=0;i<64;i++) {
- rc = read(file_descript,&c,1);
- if(rc < 0) {
- printf("mount.cifs failed. Error %s reading password file\n",strerror(errno));
- memset(mountpassword,0,64);
- if(filename != NULL)
- close(file_descript);
- exit(1);
- } else if(rc == 0) {
- if(mountpassword[0] == 0) {
- if(verboseflag)
- printf("\nWarning: null password used since cifs password file empty");
- }
- break;
- } else /* read valid character */ {
- if((c == 0) || (c == '\n')) {
- break;
- } else
- mountpassword[i] = c;
- }
- }
- if((i == 64) && (verboseflag)) {
- printf("\nWarning: password longer than 64 characters specified in cifs password file");
- }
- got_password = 1;
- if(filename != NULL) {
- close(file_descript);
- }
-
- return rc;
-}
-
-static int parse_options(char * options, int * filesys_flags)
-{
- char * data;
- char * percent_char = NULL;
- char * value = NULL;
- char * next_keyword = NULL;
- int rc = 0;
-
- if (!options)
- return 1;
- else
- data = options;
-
- if(verboseflag)
- printf("\n parsing options: %s", options);
-
-/* while ((data = strsep(&options, ",")) != NULL) { */
- while(data != NULL) {
- /* check if ends with trailing comma */
- if(*data == 0)
- break;
-
- /* format is keyword=value,keyword2=value2,keyword3=value3 etc.) */
- /* data = next keyword */
- /* value = next value ie stuff after equal sign */
-
- next_keyword = strchr(data,',');
-
- /* temporarily null terminate end of keyword=value pair */
- if(next_keyword)
- *next_keyword = 0;
-
- /* if (!*data)
- continue; */
-
- /* temporarily null terminate keyword to make keyword and value distinct */
- if ((value = strchr(data, '=')) != NULL) {
- *value = '\0';
- value++;
- }
-
- if (strncmp(data, "user", 4) == 0) {
- if (!value || !*value) {
- if(data[4] == '\0') {
- if(verboseflag)
- printf("\nskipping empty user mount parameter\n");
- /* remove the parm since it would otherwise be confusing
- to the kernel code which would think it was a real username */
- data[0] = ',';
- data[1] = ',';
- data[2] = ',';
- data[3] = ',';
- /* BB remove it from mount line so as not to confuse kernel code */
- } else {
- printf("username specified with no parameter\n");
- return 1; /* needs_arg; */
- }
- } else {
- if (strnlen(value, 260) < 260) {
- got_user=1;
- percent_char = strchr(value,'%');
- if(percent_char) {
- *percent_char = ',';
- if(mountpassword == NULL)
- mountpassword = calloc(65,1);
- if(mountpassword) {
- if(got_password)
- printf("\nmount.cifs warning - password specified twice\n");
- got_password = 1;
- percent_char++;
- strncpy(mountpassword, percent_char,64);
- /* remove password from username */
- while(*percent_char != 0) {
- *percent_char = ',';
- percent_char++;
- }
- }
- }
- } else {
- printf("username too long\n");
- return 1;
- }
- }
- } else if (strncmp(data, "pass", 4) == 0) {
- if (!value || !*value) {
- if(got_password) {
- printf("\npassword specified twice, ignoring second\n");
- } else
- got_password = 1;
- } else if (strnlen(value, 17) < 17) {
- if(got_password)
- printf("\nmount.cifs warning - password specified twice\n");
- got_password = 1;
- } else {
- printf("password too long\n");
- return 1;
- }
- } else if (strncmp(data, "ip", 2) == 0) {
- if (!value || !*value) {
- printf("target ip address argument missing");
- } else if (strnlen(value, 35) < 35) {
- if(verboseflag)
- printf("ip address %s override specified\n",value);
- got_ip = 1;
- } else {
- printf("ip address too long\n");
- return 1;
- }
- } else if ((strncmp(data, "unc", 3) == 0)
- || (strncmp(data, "target", 6) == 0)
- || (strncmp(data, "path", 4) == 0)) {
- if (!value || !*value) {
- printf("invalid path to network resource\n");
- return 1; /* needs_arg; */
- } else if(strnlen(value,5) < 5) {
- printf("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");
- else
- got_unc = 1;
- } else if (strncmp(value, "\\\\", 2) != 0) {
- printf("UNC Path does not begin with // or \\\\ \n");
- return 1;
- } else {
- if(got_unc)
- printf("unc name specified twice, ignoring second\n");
- else
- got_unc = 1;
- }
- } else {
- printf("CIFS: UNC name too long\n");
- return 1;
- }
- } else if ((strncmp(data, "domain", 3) == 0)
- || (strncmp(data, "workgroup", 5) == 0)) {
- if (!value || !*value) {
- printf("CIFS: invalid domain name\n");
- return 1; /* needs_arg; */
- }
- if (strnlen(value, 65) < 65) {
- got_domain = 1;
- } else {
- printf("domain name too long\n");
- return 1;
- }
- } else if (strncmp(data, "cred", 4) == 0) {
- if (value && *value) {
- rc = open_cred_file(value);
- if(rc) {
- printf("error %d opening credential file %s\n",rc, value);
- return 1;
- }
- } else {
- printf("invalid credential file name specified\n");
- return 1;
- }
- } else if (strncmp(data, "uid", 3) == 0) {
- if (value && *value) {
- got_uid = 1;
- }
- } else if (strncmp(data, "gid", 3) == 0) {
- if (value && *value) {
- got_gid = 1;
- }
- /* 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);
- return 1;
- }
-
- if (value[0] != '0') {
- printf ("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");
- 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);
- return 1;
- }
-
- if (value[0] != '0') {
- printf ("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");
- data = "dir_mode";
- }
- /* the following eight mount options should be
- stripped out from what is passed into the kernel
- since these eight options are best passed as the
- mount flags rather than redundantly to the kernel
- and could generate spurious warnings depending on the
- level of the corresponding cifs vfs kernel code */
- } else if (strncmp(data, "nosuid", 6) == 0) {
- *filesys_flags |= MS_NOSUID;
- } else if (strncmp(data, "suid", 4) == 0) {
- *filesys_flags &= ~MS_NOSUID;
- } else if (strncmp(data, "nodev", 5) == 0) {
- *filesys_flags |= MS_NODEV;
- } else if (strncmp(data, "dev", 3) == 0) {
- *filesys_flags &= ~MS_NODEV;
- } else if (strncmp(data, "noexec", 6) == 0) {
- *filesys_flags |= MS_NOEXEC;
- } else if (strncmp(data, "exec", 4) == 0) {
- *filesys_flags &= ~MS_NOEXEC;
- } else if (strncmp(data, "guest", 5) == 0) {
- got_password=1;
- } else if (strncmp(data, "ro", 2) == 0) {
- *filesys_flags |= MS_RDONLY;
- } else if (strncmp(data, "rw", 2) == 0) {
- *filesys_flags &= ~MS_RDONLY;
- } /* else if (strnicmp(data, "port", 4) == 0) {
- if (value && *value) {
- vol->port =
- simple_strtoul(value, &value, 0);
- }
- } else if (strnicmp(data, "rsize", 5) == 0) {
- if (value && *value) {
- vol->rsize =
- simple_strtoul(value, &value, 0);
- }
- } else if (strnicmp(data, "wsize", 5) == 0) {
- if (value && *value) {
- vol->wsize =
- simple_strtoul(value, &value, 0);
- }
- } else if (strnicmp(data, "version", 3) == 0) {
- } else {
- printf("CIFS: Unknown mount option %s\n",data);
- } */ /* nothing to do on those four mount options above.
- Just pass to kernel and ignore them here */
-
- /* move to next option */
- data = next_keyword+1;
-
- /* put overwritten equals sign back */
- if(value) {
- value--;
- *value = '=';
- }
-
- /* put previous overwritten comma back */
- if(next_keyword)
- *next_keyword = ',';
- else
- data = NULL;
- }
- return 0;
-}
-
-/* Note that caller frees the returned buffer if necessary */
-char * parse_server(char ** punc_name)
-{
- char * unc_name = *punc_name;
- int length = strnlen(unc_name,1024);
- char * share;
- char * ipaddress_string = NULL;
- struct hostent * host_entry;
- struct in_addr server_ipaddr;
- int rc;
-
- if(length > 1023) {
- printf("mount error: UNC name too long");
- return NULL;
- }
- if (strncasecmp("cifs://",unc_name,7) == 0)
- return parse_cifs_url(unc_name+7);
- if (strncasecmp("smb://",unc_name,6) == 0) {
- return parse_cifs_url(unc_name+6);
- }
-
- if(length < 3) {
- /* BB add code to find DFS root here */
- printf("\nMounting the DFS root for domain not implemented yet");
- return NULL;
- } else {
- if(strncmp(unc_name,"//",2) && strncmp(unc_name,"\\\\",2)) {
- /* check for nfs syntax ie server:share */
- share = strchr(unc_name,':');
- if(share) {
- free_share_name = 1;
- *punc_name = malloc(length+3);
- *share = '/';
- strncpy((*punc_name)+2,unc_name,length);
- unc_name = *punc_name;
- 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);
- return NULL;
- }
- } else {
-continue_unc_parsing:
- unc_name[0] = '/';
- unc_name[1] = '/';
- unc_name += 2;
- if ((share = strchr(unc_name, '/')) ||
- (share = strchr(unc_name,'\\'))) {
- *share = 0; /* temporarily terminate the string */
- share += 1;
- if(got_ip == 0) {
- host_entry = gethostbyname(unc_name);
- }
- *(share - 1) = '/'; /* put the slash back */
- if(got_ip) {
- if(verboseflag)
- printf("ip address specified explicitly\n");
- return NULL;
- }
- if(host_entry == NULL) {
- printf("mount error: could not find target server. TCP name %s not found ", unc_name);
- printf(" rc = %d\n",rc);
- return NULL;
- } else {
- /* BB should we pass an alternate version of the share name as Unicode */
- /* BB what about ipv6? BB */
- /* BB add retries with alternate servers in list */
-
- memcpy(&server_ipaddr.s_addr, host_entry->h_addr, 4);
-
- ipaddress_string = inet_ntoa(server_ipaddr);
- if(ipaddress_string == NULL) {
- printf("mount error: could not get valid ip address for target server\n");
- return NULL;
- }
- return ipaddress_string;
- }
- } 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");
- return NULL;
- }
- }
- }
-}
-
-static struct option longopts[] = {
- { "all", 0, NULL, 'a' },
- { "help",0, NULL, 'h' },
- { "move",0, NULL, 'm' },
- { "bind",0, NULL, 'b' },
- { "read-only", 0, NULL, 'r' },
- { "ro", 0, NULL, 'r' },
- { "verbose", 0, NULL, 'v' },
- { "version", 0, NULL, 'V' },
- { "read-write", 0, NULL, 'w' },
- { "rw", 0, NULL, 'w' },
- { "options", 1, NULL, 'o' },
- { "type", 1, NULL, 't' },
- { "rsize",1, NULL, 'R' },
- { "wsize",1, NULL, 'W' },
- { "uid", 1, NULL, '1'},
- { "gid", 1, NULL, '2'},
- { "user",1,NULL,'u'},
- { "username",1,NULL,'u'},
- { "dom",1,NULL,'d'},
- { "domain",1,NULL,'d'},
- { "password",1,NULL,'p'},
- { "pass",1,NULL,'p'},
- { "credentials",1,NULL,'c'},
- { "port",1,NULL,'P'},
- /* { "uuid",1,NULL,'U'}, */ /* BB unimplemented */
- { NULL, 0, NULL, 0 }
-};
-
-int main(int argc, char ** argv)
-{
- int c;
- int flags = MS_MANDLOCK; /* no need to set legacy MS_MGC_VAL */
- char * orgoptions = NULL;
- char * share_name = NULL;
- char * domain_name = NULL;
- char * ipaddr = NULL;
- char * uuid = NULL;
- char * mountpoint;
- char * options;
- char * resolved_path;
- char * temp;
- int rc;
- int rsize = 0;
- int wsize = 0;
- int nomtab = 0;
- int uid = 0;
- int gid = 0;
- int optlen = 0;
- int orgoptlen = 0;
- struct stat statbuf;
- struct utsname sysinfo;
- struct mntent mountent;
- FILE * pmntfile;
-
- /* setlocale(LC_ALL, "");
- bindtextdomain(PACKAGE, LOCALEDIR);
- textdomain(PACKAGE); */
-
- if(argc && argv) {
- thisprogram = argv[0];
- }
- if(thisprogram == NULL)
- thisprogram = "mount.cifs";
-
- uname(&sysinfo);
- /* 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);
-#endif */
-
- share_name = argv[1];
- mountpoint = argv[2];
-
- /* add sharename in opts string as unc= parm */
-
- while ((c = getopt_long (argc, argv, "afFhilL:no:O:rsSU:vVwt:",
- longopts, NULL)) != -1) {
- switch (c) {
-/* No code to do the following options yet */
-/* case 'l':
- list_with_volumelabel = 1;
- break;
- case 'L':
- volumelabel = optarg;
- break; */
-/* case 'a':
- ++mount_all;
- break; */
-
- case '?':
- case 'h': /* help */
- mount_cifs_usage ();
- exit(1);
- case 'n':
- ++nomtab;
- break;
- case 'b':
- flags |= MS_BIND;
- break;
- case 'm':
- flags |= MS_MOVE;
- break;
- case 'o':
- orgoptions = strdup(optarg);
- break;
- case 'r': /* mount readonly */
- flags |= MS_RDONLY;
- break;
- case 'U':
- uuid = optarg;
- break;
- case 'v':
- ++verboseflag;
- break;
- case 'V':
- printf ("mount.cifs version: %s.%s%s\n",
- MOUNT_CIFS_VERSION_MAJOR,
- MOUNT_CIFS_VERSION_MINOR,
- MOUNT_CIFS_VENDOR_SUFFIX);
- if(mountpassword) {
- memset(mountpassword,0,64);
- }
- exit (0);
- case 'w':
- flags &= ~MS_RDONLY;
- break;
- case 'R':
- rsize = atoi(optarg) ;
- break;
- case 'W':
- wsize = atoi(optarg);
- break;
- case '1':
- uid = atoi(optarg);
- break;
- case '2':
- gid = atoi(optarg);
- break;
- case 'u':
- got_user = 1;
- user_name = optarg;
- break;
- case 'd':
- domain_name = optarg;
- break;
- case 'p':
- if(mountpassword == NULL)
- mountpassword = calloc(65,1);
- if(mountpassword) {
- got_password = 1;
- strncpy(mountpassword,optarg,64);
- }
- break;
- case 'S':
- get_password_from_file(0 /* stdin */,NULL);
- break;
- case 't':
- break;
- default:
- printf("unknown mount option %c\n",c);
- mount_cifs_usage();
- exit(1);
- }
- }
-
- if(argc < 3)
- mount_cifs_usage();
-
- if (getenv("PASSWD")) {
- if(mountpassword == NULL)
- mountpassword = calloc(65,1);
- if(mountpassword) {
- strncpy(mountpassword,getenv("PASSWD"),64);
- got_password = 1;
- }
- } else if (getenv("PASSWD_FD")) {
- get_password_from_file(atoi(getenv("PASSWD_FD")),NULL);
- } else if (getenv("PASSWD_FILE")) {
- get_password_from_file(0, getenv("PASSWD_FILE"));
- }
-
- if (orgoptions && parse_options(orgoptions, &flags))
- return -1;
-
- ipaddr = parse_server(&share_name);
- if((ipaddr == NULL) && (got_ip == 0)) {
- printf("No ip address specified and hostname not found\n");
- return -1;
- }
-
-
- /* BB save off path and pop after mount returns? */
- resolved_path = 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(chdir(mountpoint)) {
- printf("mount error: can not change directory into mount target %s\n",mountpoint);
- return -1;
- }
-
- if(stat (".", &statbuf)) {
- printf("mount error: mount point %s does not exist\n",mountpoint);
- return -1;
- }
-
- if (S_ISDIR(statbuf.st_mode) == 0) {
- printf("mount error: mount point %s is not a directory\n",mountpoint);
- return -1;
- }
-
- if((getuid() != 0) && (geteuid() == 0)) {
- if((statbuf.st_uid == getuid()) && (S_IRWXU == (statbuf.st_mode & S_IRWXU))) {
-#ifndef CIFS_ALLOW_USR_SUID
- /* Do not allow user mounts to control suid flag
- for mount unless explicitly built that way */
- flags |= MS_NOSUID | MS_NODEV;
-#endif
- } else {
- printf("mount error: permission denied or not superuser and mount.cifs not installed SUID\n");
- return -1;
- }
- }
-
- if(got_user == 0)
- user_name = getusername();
-
- if(got_password == 0) {
- mountpassword = getpass("Password: "); /* BB obsolete */
- got_password = 1;
- }
- /* FIXME launch daemon (handles dfs name resolution and credential change)
- remember to clear parms and overwrite password field before launching */
- if(orgoptions) {
- optlen = strlen(orgoptions);
- orgoptlen = optlen;
- } else
- optlen = 0;
- if(share_name)
- optlen += strlen(share_name) + 4;
- if(user_name)
- optlen += strlen(user_name) + 6;
- if(ipaddr)
- optlen += strlen(ipaddr) + 4;
- if(mountpassword)
- optlen += strlen(mountpassword) + 6;
- options = malloc(optlen + 10);
-
- if(options == NULL) {
- printf("Could not allocate memory for mount options\n");
- return -1;
- }
-
-
- options[0] = 0;
- strncat(options,"unc=",4);
- strcat(options,share_name);
- /* scan backwards and reverse direction of slash */
- temp = strrchr(options, '/');
- if(temp > options + 6)
- *temp = '\\';
- if(ipaddr) {
- strncat(options,",ip=",4);
- strcat(options,ipaddr);
- }
- if(user_name) {
- strncat(options,",user=",6);
- strcat(options,user_name);
- }
- if(mountpassword) {
- strncat(options,",pass=",6);
- strcat(options,mountpassword);
- }
- strncat(options,",ver=",5);
- strcat(options,MOUNT_CIFS_VERSION_MAJOR);
-
- if(orgoptions) {
- strcat(options,",");
- strcat(options,orgoptions);
- }
- if(verboseflag)
- printf("\nmount.cifs kernel mount options %s \n",options);
- if(mount(share_name, mountpoint, "cifs", flags, options)) {
- /* remember to kill daemon on error */
- switch (errno) {
- case 0:
- printf("mount failed but no error number set\n");
- break;
- case ENODEV:
- printf("mount error: cifs filesystem not supported by the system\n");
- break;
- default:
- printf("mount error %d = %s\n",errno,strerror(errno));
- }
- printf("Refer to the mount.cifs(8) manual page (e.g.man mount.cifs)\n");
- if(mountpassword) {
- memset(mountpassword,0,64);
- }
- return -1;
- } else {
- pmntfile = setmntent(MOUNTED, "a+");
- if(pmntfile) {
- mountent.mnt_fsname = share_name;
- mountent.mnt_dir = mountpoint;
- mountent.mnt_type = "cifs";
- mountent.mnt_opts = malloc(220);
- if(mountent.mnt_opts) {
- char * mount_user = getusername();
- memset(mountent.mnt_opts,0,200);
- if(flags & MS_RDONLY)
- strcat(mountent.mnt_opts,"ro");
- else
- strcat(mountent.mnt_opts,"rw");
- if(flags & MS_MANDLOCK)
- strcat(mountent.mnt_opts,",mand");
- else
- strcat(mountent.mnt_opts,",nomand");
- if(flags & MS_NOEXEC)
- strcat(mountent.mnt_opts,",noexec");
- if(flags & MS_NOSUID)
- strcat(mountent.mnt_opts,",nosuid");
- if(flags & MS_NODEV)
- strcat(mountent.mnt_opts,",nodev");
- if(flags & MS_SYNCHRONOUS)
- strcat(mountent.mnt_opts,",synch");
- if(mount_user) {
- if(getuid() != 0) {
- strcat(mountent.mnt_opts,",user=");
- strcat(mountent.mnt_opts,mount_user);
- }
- free(mount_user);
- }
- }
- mountent.mnt_freq = 0;
- mountent.mnt_passno = 0;
- rc = addmntent(pmntfile,&mountent);
- endmntent(pmntfile);
- if(mountent.mnt_opts)
- free(mountent.mnt_opts);
- } else {
- printf("could not update mount table\n");
- }
- }
- if(mountpassword) {
- memset(mountpassword,0,64);
- free(mountpassword);
- }
-
- if(options) {
- memset(options,0,optlen);
- free(options);
- }
-
- if(orgoptions) {
- memset(orgoptions,0,orgoptlen);
- free(orgoptions);
- }
- if(resolved_path) {
- free(resolved_path);
- }
-
- if(free_share_name) {
- free(share_name);
- }
- return 0;
-}
-
projects / packages.git / commitdiff