[SCM] Samba Shared Repository - branch v3-0-test updated -
release-3-0-32-155-g510619b
sfrench at samba.org
sfrench at samba.org
Tue Feb 24 20:44:18 GMT 2009
The branch, v3-0-test has been updated
via 510619be1897f1610d1a033c4e318002e077fdb2 (commit)
from b4fc28ddffa4f9a74ca72ee6c2d30f544de5360c (commit)
http://gitweb.samba.org/?p=samba.git;a=shortlog;h=v3-0-test
- Log -----------------------------------------------------------------
commit 510619be1897f1610d1a033c4e318002e077fdb2
Author: Steve French <smfrench at gmail.com>
Date: Tue Feb 24 14:40:59 2009 -0600
Fix mount.cifs handling of -V option (to display version)
Also sync with current mount.cifs
Acked-by: Jeff Layton <jlayton at redhat.com>
Signed-off-by: Steve French <sfrench at samba.org>
-----------------------------------------------------------------------
Summary of changes:
source/client/mount.cifs.c | 424 ++++++++++++++++++++++++--------------------
1 files changed, 228 insertions(+), 196 deletions(-)
Changeset truncated at 500 lines:
diff --git a/source/client/mount.cifs.c b/source/client/mount.cifs.c
index 939db45..67e964d 100644
--- a/source/client/mount.cifs.c
+++ b/source/client/mount.cifs.c
@@ -1,10 +1,11 @@
/*
Mount helper utility for Linux CIFS VFS (virtual filesystem) client
Copyright (C) 2003,2008 Steve French (sfrench at us.ibm.com)
+ Copyright (C) 2008 Jeremy Allison (jra at samba.org)
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
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
@@ -13,8 +14,7 @@
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. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#ifndef _GNU_SOURCE
#define _GNU_SOURCE
@@ -57,6 +57,10 @@
#endif /* _SAMBA_BUILD_ */
#endif /* MOUNT_CIFS_VENDOR_SUFFIX */
+#ifdef _SAMBA_BUILD_
+#include "include/config.h"
+#endif
+
#ifndef MS_MOVE
#define MS_MOVE 8192
#endif
@@ -69,6 +73,16 @@
#define CONST_DISCARD(type, ptr) ((type) ((void *) (ptr)))
+#ifndef SAFE_FREE
+#define SAFE_FREE(x) do { if ((x) != NULL) {free(x); x=NULL;} } while(0)
+#endif
+
+#define MOUNT_PASSWD_SIZE 64
+#define DOMAIN_SIZE 64
+
+/* currently maximum length of IPv6 address string */
+#define MAX_ADDRESS_LEN INET6_ADDRSTRLEN
+
const char *thisprogram;
int verboseflag = 0;
int fakemnt = 0;
@@ -89,6 +103,8 @@ char * prefixpath = NULL;
/* like strncpy but does not 0 fill the buffer and always null
* terminates. bufsize is the size of the destination buffer */
+
+#ifndef HAVE_STRLCPY
static size_t strlcpy(char *d, const char *s, size_t bufsize)
{
size_t len = strlen(s);
@@ -99,10 +115,13 @@ static size_t strlcpy(char *d, const char *s, size_t bufsize)
d[len] = 0;
return ret;
}
+#endif
/* like strncat but does not 0 fill the buffer and always null
* terminates. bufsize is the length of the buffer, which should
* be one more than the maximum resulting string length */
+
+#ifndef HAVE_STRLCAT
static size_t strlcat(char *d, const char *s, size_t bufsize)
{
size_t len1 = strlen(d);
@@ -121,6 +140,7 @@ static size_t strlcat(char *d, const char *s, size_t bufsize)
}
return ret;
}
+#endif
/* BB finish BB
@@ -143,24 +163,22 @@ static void mount_cifs_usage(void)
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\tdirectio,mapchars,nomapchars,nolock,servernetbiosname=<SRV_RFC1001NAME>");
+ 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");
+ 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);
- if(mountpassword) {
- memset(mountpassword,0,64);
- free(mountpassword);
- mountpassword = NULL;
- }
+ SAFE_FREE(mountpassword);
exit(EX_USAGE);
}
@@ -175,12 +193,6 @@ static char * getusername(void) {
return username;
}
-static 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;
@@ -193,7 +205,7 @@ static int open_cred_file(char * file_name)
line_buf = (char *)malloc(4096);
if(line_buf == NULL) {
fclose(fs);
- return -ENOMEM;
+ return ENOMEM;
}
while(fgets(line_buf,4096,fs)) {
@@ -213,22 +225,20 @@ static int open_cred_file(char * file_name)
for(length = 0;length<4087;length++) {
if ((temp_val[length] == '\n')
|| (temp_val[length] == '\0')) {
+ temp_val[length] = '\0';
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(EX_USAGE);
} else {
got_user = 1;
user_name = (char *)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);
+ strlcpy(user_name,temp_val, length+1);
}
}
} else if (strncasecmp("password",line_buf+i,8) == 0) {
@@ -236,26 +246,24 @@ static int open_cred_file(char * file_name)
if(temp_val) {
/* go past equals sign */
temp_val++;
- for(length = 0;length<65;length++) {
+ for(length = 0;length<MOUNT_PASSWD_SIZE+1;length++) {
if ((temp_val[length] == '\n')
|| (temp_val[length] == '\0')) {
+ temp_val[length] = '\0';
break;
}
}
- if(length > 64) {
+ if(length > MOUNT_PASSWD_SIZE) {
printf("mount.cifs failed: password in credentials file too long\n");
memset(line_buf,0, 4096);
- if(mountpassword) {
- memset(mountpassword,0,64);
- }
exit(EX_USAGE);
} else {
if(mountpassword == NULL) {
- mountpassword = (char *)calloc(65,1);
+ mountpassword = (char *)calloc(MOUNT_PASSWD_SIZE+1,1);
} else
- memset(mountpassword,0,64);
+ memset(mountpassword,0,MOUNT_PASSWD_SIZE);
if(mountpassword) {
- strncpy(mountpassword,temp_val,length);
+ strlcpy(mountpassword,temp_val,MOUNT_PASSWD_SIZE+1);
got_password = 1;
}
}
@@ -267,25 +275,23 @@ static int open_cred_file(char * file_name)
temp_val++;
if(verboseflag)
printf("\nDomain %s\n",temp_val);
- for(length = 0;length<65;length++) {
+ for(length = 0;length<DOMAIN_SIZE+1;length++) {
if ((temp_val[length] == '\n')
|| (temp_val[length] == '\0')) {
+ temp_val[length] = '\0';
break;
}
}
- if(length > 64) {
+ if(length > DOMAIN_SIZE) {
printf("mount.cifs failed: domain in credentials file too long\n");
- if(mountpassword) {
- memset(mountpassword,0,64);
- }
exit(EX_USAGE);
} else {
if(domain_name == NULL) {
- domain_name = (char *)calloc(65,1);
+ domain_name = (char *)calloc(DOMAIN_SIZE+1,1);
} else
- memset(domain_name,0,64);
+ memset(domain_name,0,DOMAIN_SIZE);
if(domain_name) {
- strncpy(domain_name,temp_val,length);
+ strlcpy(domain_name,temp_val,DOMAIN_SIZE+1);
got_domain = 1;
}
}
@@ -294,11 +300,7 @@ static int open_cred_file(char * file_name)
}
fclose(fs);
- if(line_buf) {
- memset(line_buf,0,4096);
- free(line_buf);
- line_buf = NULL;
- }
+ SAFE_FREE(line_buf);
return 0;
}
@@ -309,9 +311,9 @@ static int get_password_from_file(int file_descript, char * filename)
char c;
if(mountpassword == NULL)
- mountpassword = (char *)calloc(65,1);
+ mountpassword = (char *)calloc(MOUNT_PASSWD_SIZE+1,1);
else
- memset(mountpassword, 0, 64);
+ memset(mountpassword, 0, MOUNT_PASSWD_SIZE);
if (mountpassword == NULL) {
printf("malloc failed\n");
@@ -328,11 +330,10 @@ static int get_password_from_file(int file_descript, char * filename)
}
/* else file already open and fd provided */
- for(i=0;i<64;i++) {
+ 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));
- memset(mountpassword,0,64);
if(filename != NULL)
close(file_descript);
exit(EX_SYSERR);
@@ -344,13 +345,15 @@ static int get_password_from_file(int file_descript, char * filename)
break;
} else /* read valid character */ {
if((c == 0) || (c == '\n')) {
+ mountpassword[i] = '\0';
break;
} else
mountpassword[i] = c;
}
}
- if((i == 64) && (verboseflag)) {
- printf("\nWarning: password longer than 64 characters specified in cifs password file");
+ if((i == MOUNT_PASSWD_SIZE) && (verboseflag)) {
+ printf("\nWarning: password longer than %d characters specified in cifs password file",
+ MOUNT_PASSWD_SIZE);
}
got_password = 1;
if(filename != NULL) {
@@ -428,6 +431,7 @@ static int parse_options(char ** optionsp, int * filesys_flags)
goto nocopy;
} else {
printf("username specified with no parameter\n");
+ SAFE_FREE(out);
return 1; /* needs_arg; */
}
} else {
@@ -437,13 +441,13 @@ static int parse_options(char ** optionsp, int * filesys_flags)
if(percent_char) {
*percent_char = ',';
if(mountpassword == NULL)
- mountpassword = (char *)calloc(65,1);
+ mountpassword = (char *)calloc(MOUNT_PASSWD_SIZE+1,1);
if(mountpassword) {
if(got_password)
printf("\nmount.cifs warning - password specified twice\n");
got_password = 1;
percent_char++;
- strncpy(mountpassword, percent_char,64);
+ strlcpy(mountpassword, percent_char,MOUNT_PASSWD_SIZE+1);
/* remove password from username */
while(*percent_char != 0) {
*percent_char = ',';
@@ -460,6 +464,7 @@ static int parse_options(char ** optionsp, int * filesys_flags)
domain_name = check_for_domain(&value);
} else {
printf("username too long\n");
+ SAFE_FREE(out);
return 1;
}
}
@@ -475,6 +480,7 @@ static int parse_options(char ** optionsp, int * filesys_flags)
got_password = 1;
} else {
printf("password too long\n");
+ SAFE_FREE(out);
return 1;
}
} else if (strncmp(data, "sec", 3) == 0) {
@@ -486,12 +492,13 @@ static int parse_options(char ** optionsp, int * filesys_flags)
} else if (strncmp(data, "ip", 2) == 0) {
if (!value || !*value) {
printf("target ip address argument missing");
- } else if (strnlen(value, 35) < 35) {
+ } else if (strnlen(value, MAX_ADDRESS_LEN) <= MAX_ADDRESS_LEN) {
if(verboseflag)
printf("ip address %s override specified\n",value);
got_ip = 1;
} else {
printf("ip address too long\n");
+ SAFE_FREE(out);
return 1;
}
} else if ((strncmp(data, "unc", 3) == 0)
@@ -499,6 +506,7 @@ static int parse_options(char ** optionsp, int * filesys_flags)
|| (strncmp(data, "path", 4) == 0)) {
if (!value || !*value) {
printf("invalid path to network resource\n");
+ SAFE_FREE(out);
return 1; /* needs_arg; */
} else if(strnlen(value,5) < 5) {
printf("UNC name too short");
@@ -513,6 +521,7 @@ static int parse_options(char ** optionsp, int * filesys_flags)
got_unc = 1;
} else if (strncmp(value, "\\\\", 2) != 0) {
printf("UNC Path does not begin with // or \\\\ \n");
+ SAFE_FREE(out);
return 1;
} else {
if(got_unc)
@@ -522,29 +531,38 @@ static int parse_options(char ** optionsp, int * filesys_flags)
}
} else {
printf("CIFS: UNC name too long\n");
+ SAFE_FREE(out);
return 1;
}
- } else if ((strncmp(data, "domain", 3) == 0)
- || (strncmp(data, "workgroup", 5) == 0)) {
+ } else if ((strncmp(data, "dom" /* domain */, 3) == 0)
+ || (strncmp(data, "workg", 5) == 0)) {
+ /* note this allows for synonyms of "domain"
+ such as "DOM" and "dom" and "workgroup"
+ and "WORKGRP" etc. */
if (!value || !*value) {
printf("CIFS: invalid domain name\n");
+ SAFE_FREE(out);
return 1; /* needs_arg; */
}
- if (strnlen(value, 65) < 65) {
+ if (strnlen(value, DOMAIN_SIZE+1) < DOMAIN_SIZE+1) {
got_domain = 1;
} else {
printf("domain name too long\n");
+ SAFE_FREE(out);
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);
+ printf("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");
+ SAFE_FREE(out);
return 1;
}
} else if (strncmp(data, "uid", 3) == 0) {
@@ -583,6 +601,7 @@ static int parse_options(char ** optionsp, int * filesys_flags)
} else if (strcmp(data, "file_mode") == 0 || strcmp(data, "fmask")==0) {
if (!value || !*value) {
printf ("Option '%s' requires a numerical argument\n", data);
+ SAFE_FREE(out);
return 1;
}
@@ -597,6 +616,7 @@ static int parse_options(char ** optionsp, int * filesys_flags)
} else if (strcmp(data, "dir_mode") == 0 || strcmp(data, "dmask")==0) {
if (!value || !*value) {
printf ("Option '%s' requires a numerical argument\n", data);
+ SAFE_FREE(out);
return 1;
}
@@ -718,7 +738,7 @@ nocopy:
out_len = strlen(out);
}
- free(*optionsp);
+ SAFE_FREE(*optionsp);
*optionsp = out;
return 0;
}
@@ -746,7 +766,7 @@ static void check_for_comma(char ** ppasswrd)
if(number_of_commas == 0)
return;
- if(number_of_commas > 64) {
+ if(number_of_commas > MOUNT_PASSWD_SIZE) {
/* would otherwise overflow the mount options buffer */
printf("\nInvalid password. Password contains too many commas.\n");
return;
@@ -765,7 +785,7 @@ static void check_for_comma(char ** ppasswrd)
}
new_pass_buf[len+number_of_commas] = 0;
- free(*ppasswrd);
+ SAFE_FREE(*ppasswrd);
*ppasswrd = new_pass_buf;
return;
@@ -860,23 +880,23 @@ static void replace_char(char *string, char from, char to, int maxlen)
}
/* Note that caller frees the returned buffer if necessary */
-static char * parse_server(char ** punc_name)
+static struct addrinfo *
+parse_server(char ** punc_name)
{
char * unc_name = *punc_name;
int length = strnlen(unc_name, MAX_UNC_LEN);
char * share;
- char * ipaddress_string = NULL;
- struct hostent * host_entry = NULL;
- struct in_addr server_ipaddr;
+ struct addrinfo *addrlist;
+ int rc;
if(length > (MAX_UNC_LEN - 1)) {
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 ((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);
+ return NULL;
}
if(length < 3) {
@@ -896,8 +916,8 @@ static char * parse_server(char ** punc_name)
return NULL;
}
*share = '/';
- strncpy((*punc_name)+2,unc_name,length);
- free(unc_name);
+ strlcpy((*punc_name)+2,unc_name,length+1);
+ SAFE_FREE(unc_name);
unc_name = *punc_name;
unc_name[length+2] = 0;
goto continue_unc_parsing;
@@ -917,7 +937,12 @@ continue_unc_parsing:
*share = 0; /* temporarily terminate the string */
share += 1;
if(got_ip == 0) {
- host_entry = gethostbyname(unc_name);
+ rc = getaddrinfo(unc_name, NULL, NULL, &addrlist);
+ if (rc != 0) {
+ printf("mount error: could not resolve address for %s: %s\n",
+ unc_name, gai_strerror(rc));
+ addrlist = NULL;
+ }
}
*(share - 1) = '/'; /* put delimiter back */
@@ -932,23 +957,9 @@ continue_unc_parsing:
printf("ip address specified explicitly\n");
--
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