~serge-hallyn/ubuntu/raring/shadow/shadow-userns

Cc: <Pkg-shadow-devel@lists.alioth.debian.org>, Linux Containers <containers@lists.linux-foundation.org>, "Michael Kerrisk \(man-pages\)" <mtk.manpages@gmail.com>, "Serge E. Hallyn" <serge@hallyn.com>

References: <87d2wxshu0.fsf@xmission.com>

Date: Tue, 22 Jan 2013 01:12:23 -0800

In-Reply-To: <87d2wxshu0.fsf@xmission.com> (Eric W. Biederman's message of

"Tue, 22 Jan 2013 01:11:19 -0800")

Message-ID: <877gn5shs8.fsf@xmission.com>

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Subject: [PATCH 01/11] Documentation for /etc/subuid and /etc/subgid

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Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>

---

man/Makefile.am | 4 ++

man/subgid.5.xml | 120 ++++++++++++++++++++++++++++++++++++++++++++++++++++++

man/subuid.5.xml | 120 ++++++++++++++++++++++++++++++++++++++++++++++++++++++

3 files changed, 244 insertions(+), 0 deletions(-)

create mode 100644 man/subgid.5.xml

create mode 100644 man/subuid.5.xml

Index: shadow/man/Makefile.am

===================================================================

--- shadow.orig/man/Makefile.am 2013-02-01 15:26:14.428082026 -0600

+++ shadow/man/Makefile.am 2013-02-01 15:27:37.000000000 -0600

@@ -43,6 +43,8 @@

man5/shadow.5 \

man1/su.1 \

man5/suauth.5 \

+ man5/subgid.5 \

+ man5/subuid.5 \

man8/useradd.8 \

man8/userdel.8 \

man8/usermod.8 \

@@ -94,6 +96,8 @@

sg.1.xml \

su.1.xml \

suauth.5.xml \

+ subgid.5.xml \

+ subuid.5.xml \

useradd.8.xml \

userdel.8.xml \

usermod.8.xml \

Index: shadow/man/subgid.5.xml

===================================================================

--- /dev/null 1970-01-01 00:00:00.000000000 +0000

+++ shadow/man/subgid.5.xml 2013-02-01 15:26:14.424082026 -0600

@@ -0,0 +1,120 @@

+<?xml version="1.0" encoding="UTF-8"?>

+<!--

+ 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.

100

+ 2. Redistributions in binary form must reproduce the above copyright

101

+ notice, this list of conditions and the following disclaimer in the

102

+ documentation and/or other materials provided with the distribution.

103

+ 3. The name of the copyright holders or contributors may not be used to

104

+ endorse or promote products derived from this software without

105

+ specific prior written permission.

106

107

+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

108

+ ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

109

+ LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A

110

+ PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT

111

+ HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

112

+ SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

113

+ LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

114

+ DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

115

+ THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

116

+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

117

+ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

118

+-->

119

+<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook V4.5//EN"

120

+ "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [

121

+

122

+]>

123

+<refentry id='subgid.5'>

124

+ <refmeta>

125

+ <refentrytitle>subgid</refentrytitle>

126

+ <manvolnum>5</manvolnum>

127

+ <refmiscinfo class="sectdesc">File Formats and Conversions</refmiscinfo>

128

+ <refmiscinfo class="source">shadow-utils</refmiscinfo>

129

+ <refmiscinfo class="version">&SHADOW_UTILS_VERSION;</refmiscinfo>

130

+ </refmeta>

131

+ <refnamediv id='name'>

132

+ <refname>subgid</refname>

133

+ <refpurpose>the subordinate gid file</refpurpose>

134

+ </refnamediv>

135

136

+ <refsect1 id='description'>

137

+ <title>DESCRIPTION</title>

138

+ <para>

139

+ Each line in <filename>/etc/subgid</filename> contains

140

+ a user id and a range of suboridinate user ids that user

141

+ is allowed to use.

142

143

+ This is specified with three fields delimited by colons

144

+ (<quote>:</quote>).

145

+ These fields are:

146

+ </para>

147

+ <itemizedlist mark='bullet'>

148

+ <listitem>

149

+ <para>login name</para>

150

+ </listitem>

151

+ <listitem>

152

+ <para>numerical subordinate user ID</para>

153

+ </listitem>

154

+ <listitem>

155

+ <para>numerical subordinate user ID count</para>

156

+ </listitem>

157

+ </itemizedlist>

158

159

+ <para>

160

+ This file specifies the group IDs to be that each user may use

161

+ with the <command>newgidmap</command> command that ordinary users can use to

162

+ configure gid mapping in a user namespace.

163

+ </para>

164

165

+ <para>

166

+ Multiple ranges may be specified per user ID.

167

+ </para>

168

169

+ </refsect1>

170

171

+ <refsect1 id='files'>

172

+ <title>FILES</title>

173

+ <variablelist>

174

+ <varlistentry>

175

+ <term><filename>/etc/subgid</filename></term>

176

+ <listitem>

177

+ <para>Per user subordinate group IDs.</para>

178

+ </listitem>

179

+ </varlistentry>

180

+ <varlistentry>

181

+ <term><filename>/etc/subgid-</filename></term>

182

+ <listitem>

183

+ <para>Backup file for /etc/subgid.</para>

184

+ </listitem>

185

+ </varlistentry>

186

+ </variablelist>

187

+ </refsect1>

188

189

+ <refsect1 id='see_also'>

190

+ <title>SEE ALSO</title>

191

+ <para>

192

+ <citerefentry>

193

+ <refentrytitle>subuid</refentrytitle><manvolnum>5</manvolnum>

194

+ </citerefentry>,

195

+ <citerefentry>

196

+ <refentrytitle>logindefs</refentrytitle><manvolnum>5</manvolnum>

197

+ </citerefentry>,

198

+ <citerefentry>

199

+ <refentrytitle>newuidmap</refentrytitle><manvolnum>1</manvolnum>

200

+ </citerefentry>,

201

+ <citerefentry>

202

+ <refentrytitle>newgidmap</refentrytitle><manvolnum>1</manvolnum>

203

+ </citerefentry>,

204

+ <citerefentry>

205

+ <refentrytitle>usermod</refentrytitle><manvolnum>8</manvolnum>

206

+ </citerefentry>,

207

+ </para>

208

+ </refsect1>

209

+</refentry>

210

Index: shadow/man/subuid.5.xml

211

===================================================================

212

--- /dev/null 1970-01-01 00:00:00.000000000 +0000

213

+++ shadow/man/subuid.5.xml 2013-02-01 15:26:14.424082026 -0600

214

@@ -0,0 +1,120 @@

215

+<?xml version="1.0" encoding="UTF-8"?>

216

+<!--

217

218

219

220

+ Redistribution and use in source and binary forms, with or without

221

+ modification, are permitted provided that the following conditions

222

+ are met:

223

+ 1. Redistributions of source code must retain the above copyright

224

+ notice, this list of conditions and the following disclaimer.

225

+ 2. Redistributions in binary form must reproduce the above copyright

226

+ notice, this list of conditions and the following disclaimer in the

227

+ documentation and/or other materials provided with the distribution.

228

+ 3. The name of the copyright holders or contributors may not be used to

229

+ endorse or promote products derived from this software without

230

+ specific prior written permission.

231

232

+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

233

+ ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

234

+ LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A

235

+ PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT

236

+ HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

237

+ SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

238

+ LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

239

+ DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

240

+ THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

241

+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

242

+ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

243

+-->

244

+<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook V4.5//EN"

245

+ "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [

246

+

247

+]>

248

+<refentry id='subuid.5'>

249

+ <refmeta>

250

+ <refentrytitle>subuid</refentrytitle>

251

+ <manvolnum>5</manvolnum>

252

+ <refmiscinfo class="sectdesc">File Formats and Conversions</refmiscinfo>

253

+ <refmiscinfo class="source">shadow-utils</refmiscinfo>

254

+ <refmiscinfo class="version">&SHADOW_UTILS_VERSION;</refmiscinfo>

255

+ </refmeta>

256

+ <refnamediv id='name'>

257

+ <refname>subuid</refname>

258

+ <refpurpose>the subordinate uid file</refpurpose>

259

+ </refnamediv>

260

261

+ <refsect1 id='description'>

262

+ <title>DESCRIPTION</title>

263

+ <para>

264

+ Each line in <filename>/etc/subuid</filename> contains

265

+ a user id and a range of suboridinate user ids that user

266

+ is allowed to use.

267

268

+ This is specified with three fields delimited by colons

269

+ (<quote>:</quote>).

270

+ These fields are:

271

+ </para>

272

+ <itemizedlist mark='bullet'>

273

+ <listitem>

274

+ <para>login name</para>

275

+ </listitem>

276

+ <listitem>

277

+ <para>numerical subordinate user ID</para>

278

+ </listitem>

279

+ <listitem>

280

+ <para>numerical subordinate user ID count</para>

281

+ </listitem>

282

+ </itemizedlist>

283

284

+ <para>

285

+ This file specifies the user IDs to be that each user may use

286

+ with the <command>newuidmap</command> command that ordinary users can use to

287

+ configure uid mapping in a user namespace.

288

+ </para>

289

290

+ <para>

291

+ Multiple ranges may be specified per user ID.

292

+ </para>

293

294

+ </refsect1>

295

296

+ <refsect1 id='files'>

297

+ <title>FILES</title>

298

+ <variablelist>

299

+ <varlistentry>

300

+ <term><filename>/etc/subuid</filename></term>

301

+ <listitem>

302

+ <para>Per user subordinate user IDs.</para>

303

+ </listitem>

304

+ </varlistentry>

305

+ <varlistentry>

306

+ <term><filename>/etc/subuid-</filename></term>

307

+ <listitem>

308

+ <para>Backup file for /etc/subuid.</para>

309

+ </listitem>

310

+ </varlistentry>

311

+ </variablelist>

312

+ </refsect1>

313

314

+ <refsect1 id='see_also'>

315

+ <title>SEE ALSO</title>

316

+ <para>

317

+ <citerefentry>

318

+ <refentrytitle>subgid</refentrytitle><manvolnum>5</manvolnum>

319

+ </citerefentry>,

320

+ <citerefentry>

321

+ <refentrytitle>logindefs</refentrytitle><manvolnum>5</manvolnum>

322

+ </citerefentry>,

323

+ <citerefentry>

324

+ <refentrytitle>newuidmap</refentrytitle><manvolnum>1</manvolnum>

325

+ </citerefentry>,

326

+ <citerefentry>

327

+ <refentrytitle>newgidmap</refentrytitle><manvolnum>1</manvolnum>

328

+ </citerefentry>,

329

+ <citerefentry>

330

+ <refentrytitle>usermod</refentrytitle><manvolnum>8</manvolnum>

331

+ </citerefentry>,

332

+ </para>

333

+ </refsect1>

334

+</refentry>

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