diff options
Diffstat (limited to 'ezjail-img.sh')
-rw-r--r-- | ezjail-img.sh | 47 |
1 files changed, 33 insertions, 14 deletions
diff --git a/ezjail-img.sh b/ezjail-img.sh index b41e7ad..fc7d02f 100644 --- a/ezjail-img.sh +++ b/ezjail-img.sh | |||
@@ -46,8 +46,8 @@ case "$1" in | |||
46 | ######################## ezjail-admin CREATE ######################## | 46 | ######################## ezjail-admin CREATE ######################## |
47 | create) | 47 | create) |
48 | shift | 48 | shift |
49 | args=`getopt xf:r:is:c $*` || exerr "Usage: `basename -- $0` create [-f flavour] [-r jailroot] [-i size] [-xc] jailname jailip" | 49 | args=`getopt f:r:s:xic $*` || exerr "Usage: `basename -- $0` create [-f flavour] [-r jailroot] [-s size] [-xic] jailname jailip" |
50 | 50 | ||
51 | newjail_root= | 51 | newjail_root= |
52 | newjail_flavour= | 52 | newjail_flavour= |
53 | newjail_softlink= | 53 | newjail_softlink= |
@@ -55,7 +55,7 @@ create) | |||
55 | newjail_imagesize= | 55 | newjail_imagesize= |
56 | newjail_device= | 56 | newjail_device= |
57 | newjail_fill="YES" | 57 | newjail_fill="YES" |
58 | 58 | ||
59 | set -- ${args} | 59 | set -- ${args} |
60 | for arg do | 60 | for arg do |
61 | case ${arg} in | 61 | case ${arg} in |
@@ -69,7 +69,7 @@ create) | |||
69 | esac | 69 | esac |
70 | done | 70 | done |
71 | newjail_name=$1; newjail_ip=$2 | 71 | newjail_name=$1; newjail_ip=$2 |
72 | 72 | ||
73 | # we need at least a name and an ip for new jail | 73 | # we need at least a name and an ip for new jail |
74 | [ "${newjail_name}" -a "${newjail_ip}" -a $# = 2 ] || exerr "Usage: `basename -- $0` create [-f flavour] [-r jailroot] [-x] jailname jailip" | 74 | [ "${newjail_name}" -a "${newjail_ip}" -a $# = 2 ] || exerr "Usage: `basename -- $0` create [-f flavour] [-r jailroot] [-x] jailname jailip" |
75 | 75 | ||
@@ -96,11 +96,11 @@ create) | |||
96 | # "an ezjail would already exist" | 96 | # "an ezjail would already exist" |
97 | [ "${newjail_nname}" = "basejail" -o "${newjail_nname}" = "newjail" -o "${newjail_nname}" = "fulljail" -o "${newjail_nname}" = "flavours" ] && \ | 97 | [ "${newjail_nname}" = "basejail" -o "${newjail_nname}" = "newjail" -o "${newjail_nname}" = "fulljail" -o "${newjail_nname}" = "flavours" ] && \ |
98 | exerr "Error: ezjail needs the ${newjail_nname} directory for its own administrative purposes. Please rename the ezjail." | 98 | exerr "Error: ezjail needs the ${newjail_nname} directory for its own administrative purposes. Please rename the ezjail." |
99 | 99 | ||
100 | # jail names may lead to identical configs, eg. foo.bar.com == foo-bar.com | 100 | # jail names may lead to identical configs, eg. foo.bar.com == foo-bar.com |
101 | # so check, whether we might be running into problems | 101 | # so check, whether we might be running into problems |
102 | [ -e ${ezjail_jailcfgs}/${newjail_nname} ] && exerr "Error: an ezjail config already exists at ${ezjail_jailcfgs}/${newjail_nname}. Please rename the ezjail." | 102 | [ -e ${ezjail_jailcfgs}/${newjail_nname} ] && exerr "Error: an ezjail config already exists at ${ezjail_jailcfgs}/${newjail_nname}. Please rename the ezjail." |
103 | 103 | ||
104 | # if jail root specified on command line is not absolute, make it absolute | 104 | # if jail root specified on command line is not absolute, make it absolute |
105 | # inside our jail directory | 105 | # inside our jail directory |
106 | [ "${newjail_root%%[!/]*}" ] || newjail_root=${ezjail_jaildir}/${newjail_root} | 106 | [ "${newjail_root%%[!/]*}" ] || newjail_root=${ezjail_jaildir}/${newjail_root} |
@@ -124,23 +124,43 @@ create) | |||
124 | # | 124 | # |
125 | 125 | ||
126 | if [ "${newjail_image}" ]; then | 126 | if [ "${newjail_image}" ]; then |
127 | # Strip trailing slashes from jail root, those would confuse image path | ||
127 | newjail_img=${newjail_root%/}; while [ "${newjail_img}" -a -z "${newjail_img%%*/}" ]; do newjail_img=${newjail_img%/}; done | 128 | newjail_img=${newjail_root%/}; while [ "${newjail_img}" -a -z "${newjail_img%%*/}" ]; do newjail_img=${newjail_img%/}; done |
128 | [ -z "${newjail_img}" ] && exerr "Error: Could not determine image file name, something is wrong with the jail root: ${newjail_root}." | 129 | [ -z "${newjail_img}" ] && exerr "Error: Could not determine image file name, something is wrong with the jail root: ${newjail_root}." |
130 | |||
131 | # Location of our image and crypto image lock file | ||
129 | newjail_lock=${newjail_img}.lock | 132 | newjail_lock=${newjail_img}.lock |
130 | newjail_img=${newjail_img}.img | 133 | newjail_img=${newjail_img}.img |
134 | |||
135 | # If NOT exist, create image | ||
131 | if [ "$newjail_fill" = "YES" ]; then | 136 | if [ "$newjail_fill" = "YES" ]; then |
132 | [ -e "${newjail_img}" ] && exerr "Error: a file exists at the location ${newjail_img}, preventing our own image file to be created." | 137 | [ -e "${newjail_img}" ] && exerr "Error: a file exists at the location ${newjail_img}, preventing our own image file to be created." |
138 | [ "${newjail_image}" = "crypto" -a -e "${newjail_lock}" ] && exerr "Error: a file exists at the location ${newjail_lock}, preventing our own crypto image lock file to be created." | ||
139 | |||
140 | # Now create jail disc image | ||
133 | touch "${newjail_img}" | 141 | touch "${newjail_img}" |
134 | dd if=/dev/random of="${newjail_img}" bs="${newjail_imagesize}" count=1 || exerr "Error: Could not (or not fully) create the image file. You might want to check (and possibly remove) the file ${newjail_img}. The image size provided was ${newjail_imagesize}." | 142 | dd if=/dev/random of="${newjail_img}" bs="${newjail_imagesize}" count=1 || exerr "Error: Could not (or not fully) create the image file. You might want to check (and possibly remove) the file ${newjail_img}. The image size provided was ${newjail_imagesize}." |
143 | |||
144 | # And attach device | ||
135 | newjail_img_device=`mdconfig -a -t vnode -f ${newjail_img}` | 145 | newjail_img_device=`mdconfig -a -t vnode -f ${newjail_img}` |
146 | |||
136 | if [ "${newjail_image}" = "crypto" ]; then | 147 | if [ "${newjail_image}" = "crypto" ]; then |
148 | # Initialise crypto image | ||
149 | # XXX TODO: catch error and detach memory disc | ||
150 | echo "Initialising crypto device. Enter a new passphrase twice..." | ||
137 | gbde init /dev/${newjail_img_device} -L ${newjail_lock} | 151 | gbde init /dev/${newjail_img_device} -L ${newjail_lock} |
152 | |||
153 | # XXX TODO: catch error and detach memory disc | ||
154 | echo "Attaching crypto device. Enter the passphrase..." | ||
138 | gbde attach /dev/${newjail_img_device} -l ${newjail_lock} | 155 | gbde attach /dev/${newjail_img_device} -l ${newjail_lock} |
139 | newjail_device=${newjail_img_device}.bde | 156 | newjail_device=${newjail_img_device}.bde |
140 | else | 157 | else |
141 | newjail_device=${newjail_img_device} | 158 | newjail_device=${newjail_img_device} |
142 | fi | 159 | fi |
160 | |||
161 | # Format memory image | ||
143 | newfs /dev/${newjail_device} | 162 | newfs /dev/${newjail_device} |
163 | # Create mount point and mount | ||
144 | mkdir -p ${newjail_root} | 164 | mkdir -p ${newjail_root} |
145 | mount /dev/${newjail_device} ${newjail_root} | 165 | mount /dev/${newjail_device} ${newjail_root} |
146 | else | 166 | else |
@@ -151,8 +171,7 @@ create) | |||
151 | 171 | ||
152 | # now take a copy of our template jail | 172 | # now take a copy of our template jail |
153 | if [ "${newjail_fill}" = "YES" ]; then | 173 | if [ "${newjail_fill}" = "YES" ]; then |
154 | mkdir -p ${newjail_root} && cd ${ezjail_jailtemplate} && \ | 174 | mkdir -p ${newjail_root} && cd ${ezjail_jailtemplate} && find * | cpio -p -v ${newjail_root} > /dev/null |
155 | find * | cpio -p -v ${newjail_root} > /dev/null | ||
156 | [ $? = 0 ] || detach_images || exerr "Error: Could not copy template jail." | 175 | [ $? = 0 ] || detach_images || exerr "Error: Could not copy template jail." |
157 | fi | 176 | fi |
158 | 177 | ||
@@ -178,7 +197,7 @@ create) | |||
178 | echo export jail_${newjail_nname}_devfs_ruleset=\"devfsrules_jail\" >> ${ezjail_jailcfgs}/${newjail_nname} | 197 | echo export jail_${newjail_nname}_devfs_ruleset=\"devfsrules_jail\" >> ${ezjail_jailcfgs}/${newjail_nname} |
179 | echo export jail_${newjail_nname}_procfs_enable=\"${ezjail_procfs_enable}\" >> ${ezjail_jailcfgs}/${newjail_nname} | 198 | echo export jail_${newjail_nname}_procfs_enable=\"${ezjail_procfs_enable}\" >> ${ezjail_jailcfgs}/${newjail_nname} |
180 | echo export jail_${newjail_nname}_fdescfs_enable=\"${ezjail_fdescfs_enable}\" >> ${ezjail_jailcfgs}/${newjail_nname} | 199 | echo export jail_${newjail_nname}_fdescfs_enable=\"${ezjail_fdescfs_enable}\" >> ${ezjail_jailcfgs}/${newjail_nname} |
181 | [ "${newjail_imagesize}" ] && \ | 200 | [ "${newjail_image}" ] && \ |
182 | echo export jail_${newjail_nname}_image=\"${newjail_img}\" >> ${ezjail_jailcfgs}/${newjail_nname} | 201 | echo export jail_${newjail_nname}_image=\"${newjail_img}\" >> ${ezjail_jailcfgs}/${newjail_nname} |
183 | [ "${newjail_image}" = "crypto" ] && \ | 202 | [ "${newjail_image}" = "crypto" ] && \ |
184 | echo export jail_${newjail_nname}_cryptimage=\"YES\" >> ${ezjail_jailcfgs}/${newjail_nname} | 203 | echo export jail_${newjail_nname}_cryptimage=\"YES\" >> ${ezjail_jailcfgs}/${newjail_nname} |
@@ -188,7 +207,7 @@ create) | |||
188 | # install files and config to new jail | 207 | # install files and config to new jail |
189 | cd ${ezjail_flavours}/${newjail_flavour} && find * | cpio -p -v ${newjail_root} > /dev/null | 208 | cd ${ezjail_flavours}/${newjail_flavour} && find * | cpio -p -v ${newjail_root} > /dev/null |
190 | [ $? = 0 ] || echo "Warning: Could not fully install flavour." | 209 | [ $? = 0 ] || echo "Warning: Could not fully install flavour." |
191 | 210 | ||
192 | # If a config is found, make it auto run on jails startup | 211 | # If a config is found, make it auto run on jails startup |
193 | if [ -f ${newjail_root}/ezjail.flavour ]; then | 212 | if [ -f ${newjail_root}/ezjail.flavour ]; then |
194 | ln -s /ezjail.flavour ${newjail_root}/etc/rc.d/ezjail-config.sh | 213 | ln -s /ezjail.flavour ${newjail_root}/etc/rc.d/ezjail-config.sh |
@@ -199,20 +218,20 @@ create) | |||
199 | 218 | ||
200 | # Detach (crypto and) memory discs | 219 | # Detach (crypto and) memory discs |
201 | detach_images | 220 | detach_images |
202 | 221 | ||
203 | # | 222 | # |
204 | # For user convenience some scenarios commonly causing headaches are checked | 223 | # For user convenience some scenarios commonly causing headaches are checked |
205 | # | 224 | # |
206 | 225 | ||
207 | # check, whether IP is configured on a local interface, warn if it isnt | 226 | # check, whether IP is configured on a local interface, warn if it isnt |
208 | ping -c 1 -m 1 -t 1 -q ${newjail_ip} > /dev/null | 227 | ping -c 1 -m 1 -t 1 -q ${newjail_ip} > /dev/null |
209 | [ $? = 0 ] || echo "Warning: IP ${newjail_ip} not configured on a local interface." | 228 | [ $? = 0 ] || echo "Warning: IP ${newjail_ip} not configured on a local interface." |
210 | 229 | ||
211 | # check, whether some host system services do listen on the Jails IP | 230 | # check, whether some host system services do listen on the Jails IP |
212 | TIFS=${IFS}; IFS=_ | 231 | TIFS=${IFS}; IFS=_ |
213 | newjail_listener=`sockstat -4 -l | grep ${newjail_ip}:[[:digit:]]` | 232 | newjail_listener=`sockstat -4 -l | grep ${newjail_ip}:[[:digit:]]` |
214 | [ $? = 0 ] && echo -e "Warning: Some services already seem to be listening on IP ${newjail_ip}\n This may cause some confusion, here they are:\n${newjail_listener}" | 233 | [ $? = 0 ] && echo -e "Warning: Some services already seem to be listening on IP ${newjail_ip}\n This may cause some confusion, here they are:\n${newjail_listener}" |
215 | 234 | ||
216 | newjail_listener=`sockstat -4 -l | grep \*:[[:digit:]]` | 235 | newjail_listener=`sockstat -4 -l | grep \*:[[:digit:]]` |
217 | [ $? = 0 ] && echo -e "Warning: Some services already seem to be listening on all IP, (including ${newjail_ip})\n This may cause some confusion, here they are:\n${newjail_listener}" | 236 | [ $? = 0 ] && echo -e "Warning: Some services already seem to be listening on all IP, (including ${newjail_ip})\n This may cause some confusion, here they are:\n${newjail_listener}" |
218 | IFS=${TIFS} | 237 | IFS=${TIFS} |