├── AUTHORS ├── COPYING ├── ChangeLog ├── INSTALL ├── Makefile.am ├── NEWS ├── README ├── README.md ├── autogen.sh ├── configure.ac └── src ├── gobonet └── gobonet_backend.c /AUTHORS: -------------------------------------------------------------------------------- 1 | Hisham Muhammad 2 | -------------------------------------------------------------------------------- /COPYING: -------------------------------------------------------------------------------- 1 | GNU GENERAL PUBLIC LICENSE 2 | Version 3, 29 June 2007 3 | 4 | Copyright (C) 2007 Free Software Foundation, Inc. 5 | Everyone is permitted to copy and distribute verbatim copies 6 | of this license document, but changing it is not allowed. 7 | 8 | Preamble 9 | 10 | The GNU General Public License is a free, copyleft license for 11 | software and other kinds of works. 12 | 13 | The licenses for most software and other practical works are designed 14 | to take away your freedom to share and change the works. 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It is safest 630 | to attach them to the start of each source file to most effectively 631 | state the exclusion of warranty; and each file should have at least 632 | the "copyright" line and a pointer to where the full notice is found. 633 | 634 | 635 | Copyright (C) 636 | 637 | This program is free software: you can redistribute it and/or modify 638 | it under the terms of the GNU General Public License as published by 639 | the Free Software Foundation, either version 3 of the License, or 640 | (at your option) any later version. 641 | 642 | This program is distributed in the hope that it will be useful, 643 | but WITHOUT ANY WARRANTY; without even the implied warranty of 644 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 645 | GNU General Public License for more details. 646 | 647 | You should have received a copy of the GNU General Public License 648 | along with this program. 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Of course, your program's commands 662 | might be different; for a GUI interface, you would use an "about box". 663 | 664 | You should also get your employer (if you work as a programmer) or school, 665 | if any, to sign a "copyright disclaimer" for the program, if necessary. 666 | For more information on this, and how to apply and follow the GNU GPL, see 667 | . 668 | 669 | The GNU General Public License does not permit incorporating your program 670 | into proprietary programs. If your program is a subroutine library, you 671 | may consider it more useful to permit linking proprietary applications with 672 | the library. If this is what you want to do, use the GNU Lesser General 673 | Public License instead of this License. But first, please read 674 | . 675 | -------------------------------------------------------------------------------- /ChangeLog: -------------------------------------------------------------------------------- 1 | See the Git log for details. -------------------------------------------------------------------------------- /INSTALL: -------------------------------------------------------------------------------- 1 | Installation Instructions 2 | ************************* 3 | 4 | Copyright (C) 1994-1996, 1999-2002, 2004-2013 Free Software Foundation, 5 | Inc. 6 | 7 | Copying and distribution of this file, with or without modification, 8 | are permitted in any medium without royalty provided the copyright 9 | notice and this notice are preserved. This file is offered as-is, 10 | without warranty of any kind. 11 | 12 | Basic Installation 13 | ================== 14 | 15 | Briefly, the shell command `./configure && make && make install' 16 | should configure, build, and install this package. The following 17 | more-detailed instructions are generic; see the `README' file for 18 | instructions specific to this package. Some packages provide this 19 | `INSTALL' file but do not implement all of the features documented 20 | below. The lack of an optional feature in a given package is not 21 | necessarily a bug. More recommendations for GNU packages can be found 22 | in *note Makefile Conventions: (standards)Makefile Conventions. 23 | 24 | The `configure' shell script attempts to guess correct values for 25 | various system-dependent variables used during compilation. It uses 26 | those values to create a `Makefile' in each directory of the package. 27 | It may also create one or more `.h' files containing system-dependent 28 | definitions. Finally, it creates a shell script `config.status' that 29 | you can run in the future to recreate the current configuration, and a 30 | file `config.log' containing compiler output (useful mainly for 31 | debugging `configure'). 32 | 33 | It can also use an optional file (typically called `config.cache' 34 | and enabled with `--cache-file=config.cache' or simply `-C') that saves 35 | the results of its tests to speed up reconfiguring. Caching is 36 | disabled by default to prevent problems with accidental use of stale 37 | cache files. 38 | 39 | If you need to do unusual things to compile the package, please try 40 | to figure out how `configure' could check whether to do them, and mail 41 | diffs or instructions to the address given in the `README' so they can 42 | be considered for the next release. If you are using the cache, and at 43 | some point `config.cache' contains results you don't want to keep, you 44 | may remove or edit it. 45 | 46 | The file `configure.ac' (or `configure.in') is used to create 47 | `configure' by a program called `autoconf'. You need `configure.ac' if 48 | you want to change it or regenerate `configure' using a newer version 49 | of `autoconf'. 50 | 51 | The simplest way to compile this package is: 52 | 53 | 1. `cd' to the directory containing the package's source code and type 54 | `./configure' to configure the package for your system. 55 | 56 | Running `configure' might take a while. While running, it prints 57 | some messages telling which features it is checking for. 58 | 59 | 2. Type `make' to compile the package. 60 | 61 | 3. Optionally, type `make check' to run any self-tests that come with 62 | the package, generally using the just-built uninstalled binaries. 63 | 64 | 4. Type `make install' to install the programs and any data files and 65 | documentation. When installing into a prefix owned by root, it is 66 | recommended that the package be configured and built as a regular 67 | user, and only the `make install' phase executed with root 68 | privileges. 69 | 70 | 5. Optionally, type `make installcheck' to repeat any self-tests, but 71 | this time using the binaries in their final installed location. 72 | This target does not install anything. Running this target as a 73 | regular user, particularly if the prior `make install' required 74 | root privileges, verifies that the installation completed 75 | correctly. 76 | 77 | 6. You can remove the program binaries and object files from the 78 | source code directory by typing `make clean'. To also remove the 79 | files that `configure' created (so you can compile the package for 80 | a different kind of computer), type `make distclean'. There is 81 | also a `make maintainer-clean' target, but that is intended mainly 82 | for the package's developers. If you use it, you may have to get 83 | all sorts of other programs in order to regenerate files that came 84 | with the distribution. 85 | 86 | 7. Often, you can also type `make uninstall' to remove the installed 87 | files again. In practice, not all packages have tested that 88 | uninstallation works correctly, even though it is required by the 89 | GNU Coding Standards. 90 | 91 | 8. Some packages, particularly those that use Automake, provide `make 92 | distcheck', which can by used by developers to test that all other 93 | targets like `make install' and `make uninstall' work correctly. 94 | This target is generally not run by end users. 95 | 96 | Compilers and Options 97 | ===================== 98 | 99 | Some systems require unusual options for compilation or linking that 100 | the `configure' script does not know about. Run `./configure --help' 101 | for details on some of the pertinent environment variables. 102 | 103 | You can give `configure' initial values for configuration parameters 104 | by setting variables in the command line or in the environment. Here 105 | is an example: 106 | 107 | ./configure CC=c99 CFLAGS=-g LIBS=-lposix 108 | 109 | *Note Defining Variables::, for more details. 110 | 111 | Compiling For Multiple Architectures 112 | ==================================== 113 | 114 | You can compile the package for more than one kind of computer at the 115 | same time, by placing the object files for each architecture in their 116 | own directory. To do this, you can use GNU `make'. `cd' to the 117 | directory where you want the object files and executables to go and run 118 | the `configure' script. `configure' automatically checks for the 119 | source code in the directory that `configure' is in and in `..'. This 120 | is known as a "VPATH" build. 121 | 122 | With a non-GNU `make', it is safer to compile the package for one 123 | architecture at a time in the source code directory. After you have 124 | installed the package for one architecture, use `make distclean' before 125 | reconfiguring for another architecture. 126 | 127 | On MacOS X 10.5 and later systems, you can create libraries and 128 | executables that work on multiple system types--known as "fat" or 129 | "universal" binaries--by specifying multiple `-arch' options to the 130 | compiler but only a single `-arch' option to the preprocessor. Like 131 | this: 132 | 133 | ./configure CC="gcc -arch i386 -arch x86_64 -arch ppc -arch ppc64" \ 134 | CXX="g++ -arch i386 -arch x86_64 -arch ppc -arch ppc64" \ 135 | CPP="gcc -E" CXXCPP="g++ -E" 136 | 137 | This is not guaranteed to produce working output in all cases, you 138 | may have to build one architecture at a time and combine the results 139 | using the `lipo' tool if you have problems. 140 | 141 | Installation Names 142 | ================== 143 | 144 | By default, `make install' installs the package's commands under 145 | `/usr/local/bin', include files under `/usr/local/include', etc. You 146 | can specify an installation prefix other than `/usr/local' by giving 147 | `configure' the option `--prefix=PREFIX', where PREFIX must be an 148 | absolute file name. 149 | 150 | You can specify separate installation prefixes for 151 | architecture-specific files and architecture-independent files. If you 152 | pass the option `--exec-prefix=PREFIX' to `configure', the package uses 153 | PREFIX as the prefix for installing programs and libraries. 154 | Documentation and other data files still use the regular prefix. 155 | 156 | In addition, if you use an unusual directory layout you can give 157 | options like `--bindir=DIR' to specify different values for particular 158 | kinds of files. Run `configure --help' for a list of the directories 159 | you can set and what kinds of files go in them. In general, the 160 | default for these options is expressed in terms of `${prefix}', so that 161 | specifying just `--prefix' will affect all of the other directory 162 | specifications that were not explicitly provided. 163 | 164 | The most portable way to affect installation locations is to pass the 165 | correct locations to `configure'; however, many packages provide one or 166 | both of the following shortcuts of passing variable assignments to the 167 | `make install' command line to change installation locations without 168 | having to reconfigure or recompile. 169 | 170 | The first method involves providing an override variable for each 171 | affected directory. For example, `make install 172 | prefix=/alternate/directory' will choose an alternate location for all 173 | directory configuration variables that were expressed in terms of 174 | `${prefix}'. Any directories that were specified during `configure', 175 | but not in terms of `${prefix}', must each be overridden at install 176 | time for the entire installation to be relocated. The approach of 177 | makefile variable overrides for each directory variable is required by 178 | the GNU Coding Standards, and ideally causes no recompilation. 179 | However, some platforms have known limitations with the semantics of 180 | shared libraries that end up requiring recompilation when using this 181 | method, particularly noticeable in packages that use GNU Libtool. 182 | 183 | The second method involves providing the `DESTDIR' variable. For 184 | example, `make install DESTDIR=/alternate/directory' will prepend 185 | `/alternate/directory' before all installation names. The approach of 186 | `DESTDIR' overrides is not required by the GNU Coding Standards, and 187 | does not work on platforms that have drive letters. On the other hand, 188 | it does better at avoiding recompilation issues, and works well even 189 | when some directory options were not specified in terms of `${prefix}' 190 | at `configure' time. 191 | 192 | Optional Features 193 | ================= 194 | 195 | If the package supports it, you can cause programs to be installed 196 | with an extra prefix or suffix on their names by giving `configure' the 197 | option `--program-prefix=PREFIX' or `--program-suffix=SUFFIX'. 198 | 199 | Some packages pay attention to `--enable-FEATURE' options to 200 | `configure', where FEATURE indicates an optional part of the package. 201 | They may also pay attention to `--with-PACKAGE' options, where PACKAGE 202 | is something like `gnu-as' or `x' (for the X Window System). The 203 | `README' should mention any `--enable-' and `--with-' options that the 204 | package recognizes. 205 | 206 | For packages that use the X Window System, `configure' can usually 207 | find the X include and library files automatically, but if it doesn't, 208 | you can use the `configure' options `--x-includes=DIR' and 209 | `--x-libraries=DIR' to specify their locations. 210 | 211 | Some packages offer the ability to configure how verbose the 212 | execution of `make' will be. For these packages, running `./configure 213 | --enable-silent-rules' sets the default to minimal output, which can be 214 | overridden with `make V=1'; while running `./configure 215 | --disable-silent-rules' sets the default to verbose, which can be 216 | overridden with `make V=0'. 217 | 218 | Particular systems 219 | ================== 220 | 221 | On HP-UX, the default C compiler is not ANSI C compatible. If GNU 222 | CC is not installed, it is recommended to use the following options in 223 | order to use an ANSI C compiler: 224 | 225 | ./configure CC="cc -Ae -D_XOPEN_SOURCE=500" 226 | 227 | and if that doesn't work, install pre-built binaries of GCC for HP-UX. 228 | 229 | HP-UX `make' updates targets which have the same time stamps as 230 | their prerequisites, which makes it generally unusable when shipped 231 | generated files such as `configure' are involved. Use GNU `make' 232 | instead. 233 | 234 | On OSF/1 a.k.a. Tru64, some versions of the default C compiler cannot 235 | parse its `' header file. The option `-nodtk' can be used as 236 | a workaround. If GNU CC is not installed, it is therefore recommended 237 | to try 238 | 239 | ./configure CC="cc" 240 | 241 | and if that doesn't work, try 242 | 243 | ./configure CC="cc -nodtk" 244 | 245 | On Solaris, don't put `/usr/ucb' early in your `PATH'. This 246 | directory contains several dysfunctional programs; working variants of 247 | these programs are available in `/usr/bin'. So, if you need `/usr/ucb' 248 | in your `PATH', put it _after_ `/usr/bin'. 249 | 250 | On Haiku, software installed for all users goes in `/boot/common', 251 | not `/usr/local'. It is recommended to use the following options: 252 | 253 | ./configure --prefix=/boot/common 254 | 255 | Specifying the System Type 256 | ========================== 257 | 258 | There may be some features `configure' cannot figure out 259 | automatically, but needs to determine by the type of machine the package 260 | will run on. Usually, assuming the package is built to be run on the 261 | _same_ architectures, `configure' can figure that out, but if it prints 262 | a message saying it cannot guess the machine type, give it the 263 | `--build=TYPE' option. TYPE can either be a short name for the system 264 | type, such as `sun4', or a canonical name which has the form: 265 | 266 | CPU-COMPANY-SYSTEM 267 | 268 | where SYSTEM can have one of these forms: 269 | 270 | OS 271 | KERNEL-OS 272 | 273 | See the file `config.sub' for the possible values of each field. If 274 | `config.sub' isn't included in this package, then this package doesn't 275 | need to know the machine type. 276 | 277 | If you are _building_ compiler tools for cross-compiling, you should 278 | use the option `--target=TYPE' to select the type of system they will 279 | produce code for. 280 | 281 | If you want to _use_ a cross compiler, that generates code for a 282 | platform different from the build platform, you should specify the 283 | "host" platform (i.e., that on which the generated programs will 284 | eventually be run) with `--host=TYPE'. 285 | 286 | Sharing Defaults 287 | ================ 288 | 289 | If you want to set default values for `configure' scripts to share, 290 | you can create a site shell script called `config.site' that gives 291 | default values for variables like `CC', `cache_file', and `prefix'. 292 | `configure' looks for `PREFIX/share/config.site' if it exists, then 293 | `PREFIX/etc/config.site' if it exists. Or, you can set the 294 | `CONFIG_SITE' environment variable to the location of the site script. 295 | A warning: not all `configure' scripts look for a site script. 296 | 297 | Defining Variables 298 | ================== 299 | 300 | Variables not defined in a site shell script can be set in the 301 | environment passed to `configure'. However, some packages may run 302 | configure again during the build, and the customized values of these 303 | variables may be lost. In order to avoid this problem, you should set 304 | them in the `configure' command line, using `VAR=value'. For example: 305 | 306 | ./configure CC=/usr/local2/bin/gcc 307 | 308 | causes the specified `gcc' to be used as the C compiler (unless it is 309 | overridden in the site shell script). 310 | 311 | Unfortunately, this technique does not work for `CONFIG_SHELL' due to 312 | an Autoconf limitation. Until the limitation is lifted, you can use 313 | this workaround: 314 | 315 | CONFIG_SHELL=/bin/bash ./configure CONFIG_SHELL=/bin/bash 316 | 317 | `configure' Invocation 318 | ====================== 319 | 320 | `configure' recognizes the following options to control how it 321 | operates. 322 | 323 | `--help' 324 | `-h' 325 | Print a summary of all of the options to `configure', and exit. 326 | 327 | `--help=short' 328 | `--help=recursive' 329 | Print a summary of the options unique to this package's 330 | `configure', and exit. The `short' variant lists options used 331 | only in the top level, while the `recursive' variant lists options 332 | also present in any nested packages. 333 | 334 | `--version' 335 | `-V' 336 | Print the version of Autoconf used to generate the `configure' 337 | script, and exit. 338 | 339 | `--cache-file=FILE' 340 | Enable the cache: use and save the results of the tests in FILE, 341 | traditionally `config.cache'. FILE defaults to `/dev/null' to 342 | disable caching. 343 | 344 | `--config-cache' 345 | `-C' 346 | Alias for `--cache-file=config.cache'. 347 | 348 | `--quiet' 349 | `--silent' 350 | `-q' 351 | Do not print messages saying which checks are being made. To 352 | suppress all normal output, redirect it to `/dev/null' (any error 353 | messages will still be shown). 354 | 355 | `--srcdir=DIR' 356 | Look for the package's source code in directory DIR. Usually 357 | `configure' can determine that directory automatically. 358 | 359 | `--prefix=DIR' 360 | Use DIR as the installation prefix. *note Installation Names:: 361 | for more details, including other options available for fine-tuning 362 | the installation locations. 363 | 364 | `--no-create' 365 | `-n' 366 | Run the configure checks, but stop before creating any output 367 | files. 368 | 369 | `configure' also accepts some other, not widely useful, options. Run 370 | `configure --help' for more details. 371 | -------------------------------------------------------------------------------- /Makefile.am: -------------------------------------------------------------------------------- 1 | 2 | AUTOMAKE_OPTIONS = subdir-objects 3 | 4 | sbin_PROGRAMS = gobonet_backend 5 | bin_SCRIPTS = src/gobonet 6 | EXTRA_DIST = $(bin_SCRIPTS) 7 | 8 | gobonet_backend_SOURCES = src/gobonet_backend.c 9 | 10 | if SETUID_INSTALL 11 | install-data-hook: 12 | chmod 4755 $(DESTDIR)$(sbindir)/gobonet_backend 13 | endif 14 | 15 | -------------------------------------------------------------------------------- /NEWS: -------------------------------------------------------------------------------- 1 | 2 | ====== ===== 3 | ed.610 G O B O N E W S $0.08 4 | ====== The truth you need ===== 5 | 6 | GOBO KNOWS YOUR FAVORITE NETWORKS 7 | Worry not, your secrets are safe! 8 | 9 | Rumor has it that +------------+ 10 | somewhere in your | O | 11 | filesystem there | --+-- | 12 | is a list of all | | | 13 | places you ever | / \ | 14 | been. Should you +------------+ 15 | worry? Dare I say Our #1 enemy 16 | probably not. But "stick-figure" 17 | I'd keep a closer 18 | eye on it. Still, Opinion piece: 19 | if you trust your IS THIS A JOKE 20 | kernel, shell and 21 | tools, all should More about it 22 | be okay. on page 21 23 | 24 | [Ad] BUY MORE PRODUCTS! BUY MORE! 25 | 26 | -------------------------------------------------------------------------------- /README: -------------------------------------------------------------------------------- 1 | README.md -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | 2 | GoboNet 3 | ======= 4 | 5 | An ultra-simple network management toolkit. Currently supports only Wifi + DHCP. 6 | 7 | Requirements 8 | ------------ 9 | 10 | * wpa_supplicant 11 | * dhcpcd 12 | * rfkill 13 | * net-tools (ifconfig) 14 | * wireless-tools (iwlist) 15 | * psmisc (killall) 16 | * pinentry or zenity (for prompts) 17 | * bash 18 | * coreutils 19 | 20 | Usage 21 | ----- 22 | 23 | ### GUI 24 | 25 | There is a systray-style widget for Awesome WM: [gobo-awesome-gobonet](https://github.com/gobolinux/gobo-awesome-gobonet) 26 | 27 | ### Command-line 28 | 29 | The interface is via a simple command-line client: 30 | 31 | * `gobonet autoconnect` - Scan Wifi networks and connect to a known one 32 | * `gobonet connect ""` - Connect to a given Wifi network 33 | * `gobonet disconnect` - Disconnect Wifi 34 | * `gobonet forget ""` - Disconnect Wifi and forget config for this network 35 | * `gobonet list` - List available Wifi networks 36 | 37 | -------------------------------------------------------------------------------- /autogen.sh: -------------------------------------------------------------------------------- 1 | #!/bin/sh 2 | mkdir -p m4 3 | autoreconf --install --force 4 | -------------------------------------------------------------------------------- /configure.ac: -------------------------------------------------------------------------------- 1 | # -*- Autoconf -*- 2 | # Process this file with autoconf to produce a configure script. 3 | 4 | AC_PREREQ(2.59) 5 | AC_INIT(GoboNet, 0.12, hisham@gobolinux.org) 6 | AC_CONFIG_SRCDIR([src/gobonet_backend.c]) 7 | AM_CONFIG_HEADER([config.h]) 8 | AM_INIT_AUTOMAKE 9 | 10 | # Checks for programs. 11 | AC_PROG_CC 12 | AM_PROG_CC_C_O 13 | 14 | # Checks for header files. 15 | AC_HEADER_STDC 16 | 17 | # Checks for typedefs, structures, and compiler characteristics. 18 | AC_C_CONST 19 | 20 | AC_DEFUN([GN_HELPER_BINARY], [ 21 | gn_default_$1=/bin/$1 22 | AC_ARG_WITH($1, 23 | [AS_HELP_STRING([--with-$1=PATHNAME], [Full pathname of $1 binary (default=/bin/$1).])], 24 | if test -n "$withval"; then 25 | gn_default_$1="$withval" 26 | fi,[]) 27 | AC_DEFINE_UNQUOTED(GOBONET_[]translit([$1],[a-z],[A-Z]), "${gn_default_$1}", "Path of $1") 28 | ]) 29 | 30 | GN_HELPER_BINARY(ifconfig) 31 | GN_HELPER_BINARY(wpa_supplicant) 32 | GN_HELPER_BINARY(dhcpcd) 33 | GN_HELPER_BINARY(killall) 34 | GN_HELPER_BINARY(iw) 35 | GN_HELPER_BINARY(iwlist) 36 | GN_HELPER_BINARY(rfkill) 37 | 38 | AC_ARG_ENABLE(setuid-install, 39 | AS_HELP_STRING([--disable-setuid-install do not set setuid flags during install]), 40 | [enable_setuid_install=$enableval], [enable_setuid_install="yes"]) 41 | AM_CONDITIONAL(SETUID_INSTALL, test x"$enable_setuid_install" = "xyes") 42 | 43 | AC_CONFIG_FILES([Makefile]) 44 | AC_OUTPUT 45 | -------------------------------------------------------------------------------- /src/gobonet: -------------------------------------------------------------------------------- 1 | #!/bin/bash 2 | 3 | # Avoid locale surprises when parsing commands. 4 | export LANG=C 5 | export LC_ALL=C 6 | 7 | wifi_dir="$HOME/.cache/GoboNet/wifi" 8 | 9 | function detect_wifi_interface() { 10 | for iface in /sys/class/net/* 11 | do 12 | if grep -q "DEVTYPE=wlan" "$iface/uevent" || [ -e "$iface/phy80211" ] 13 | then 14 | basename "$iface" 15 | return 16 | fi 17 | done 18 | } 19 | 20 | function detect_wired_interface() { 21 | for iface in /sys/class/net/* 22 | do 23 | if egrep -q "DEVTYPE=(wlan|bridge)" "$iface/uevent" \ 24 | || [ -e "$iface/phy80211" ] \ 25 | || [[ "$iface" =~ ^docker ]] \ 26 | || [[ "$iface" =~ ^veth ]] 27 | then 28 | continue 29 | fi 30 | if [ "$(cat "$iface/type")" = "1" ] # ethernet 31 | then 32 | basename "$iface" 33 | return 34 | fi 35 | done 36 | } 37 | 38 | function is_wired_interface_plugged() { 39 | [ "$wired_interface" ] || return 1 40 | gobonet_backend interface-up "$wired_interface" 41 | [ "$(cat /sys/class/net/$wired_interface/carrier)" = 1 ] 42 | } 43 | 44 | function show_dialog() { 45 | local question_type=password 46 | local dialog_title= 47 | local dialog_text= 48 | local backend=any 49 | 50 | for arg in "$@" 51 | do 52 | case "$arg" in 53 | --password) 54 | question_type=password 55 | ;; 56 | --msgbox) 57 | question_type=msgbox 58 | ;; 59 | --question) 60 | question_type=yesno 61 | ;; 62 | --title=*) 63 | dialog_title=${arg#--title=} 64 | ;; 65 | --text=*) 66 | dialog_text=${arg#--text=} 67 | ;; 68 | --backend=*) 69 | backend=${arg#--backend=} 70 | ;; 71 | esac 72 | done 73 | 74 | if [ "$backend" = "pinentry" ] || { [ "$backend" = "any" ] && [ "$DISPLAY" ] && which pinentry &> /dev/null ;} 75 | then 76 | case "$question_type" in 77 | password) 78 | echo -e "SETTITLE $dialog_title\nSETDESC Please enter password\nSETPROMPT Password:\nGETPIN\n" | pinentry | grep "^D " | cut -b3- 79 | ;; 80 | msgbox) 81 | echo -e "SETTITLE $dialog_title\nSETDESC $dialog_text\nMESSAGE\n" | pinentry &> /dev/null 82 | return 0 83 | ;; 84 | yesno) 85 | if echo -e "SETTITLE $dialog_title\nSETDESC $dialog_text\nSETOK Yes\nSETCANCEL No\nCONFIRM\n" | pinentry | grep -q "^ERR " 86 | then 87 | return 1 88 | else 89 | return 0 90 | fi 91 | ;; 92 | esac 93 | elif [ "$backend" = "zenity" ] || { [ "$backend" = "any" ] && [ "$DISPLAY" ] && which zenity &> /dev/null ;} 94 | then 95 | case "$question_type" in 96 | password) 97 | zenity --no-markup --password --title="$dialog_title" 98 | ;; 99 | msgbox) 100 | zenity --no-markup --info --title="$dialog_title" --text="$dialog_text" 101 | return 0 102 | ;; 103 | yesno) 104 | zenity --no-markup --question --title="$dialog_title" --text="$dialog_text" 105 | ;; 106 | esac 107 | else 108 | # CLI pure Bash backend 109 | if [ "$dialog_title" != "" ] 110 | then 111 | echo "----------------------------------------" > /dev/tty 112 | echo "$dialog_title" > /dev/tty 113 | echo "----------------------------------------" > /dev/tty 114 | echo "" > /dev/tty 115 | fi 116 | case "$question_type" in 117 | password) 118 | echo -n "Password: " > /dev/tty 119 | read -s password 120 | echo "$password" 121 | ;; 122 | msgbox) 123 | echo "$dialog_text" > /dev/tty 124 | echo "(Press Enter)" > /dev/tty 125 | read 126 | return 0 127 | ;; 128 | yesno) 129 | while true 130 | do 131 | echo "$dialog_text (y/n)" > /dev/tty 132 | read 133 | if [ "${REPLY:0:1}" = "y" -o "${REPLY:0:1}" = "Y" ] 134 | then 135 | return 0 136 | elif [ "${REPLY:0:1}" = "n" -o "${REPLY:0:1}" = "N" ] 137 | then 138 | return 1 139 | fi 140 | done 141 | ;; 142 | esac 143 | fi 144 | } 145 | 146 | function network_config_file() { 147 | local essid="$1" 148 | local sanit=$(echo "$essid" | tr -Cd '[:alnum:]') 149 | echo "$sanit-"$(echo "$essid" | md5sum | cut -d' ' -f1) 150 | } 151 | 152 | function connect_wifi() { 153 | local essid="$1" 154 | local no_password="$2" 155 | local file="$(network_config_file "$essid")" 156 | 157 | if ! [ -e "$wifi_dir/$file" ] 158 | then 159 | 160 | info=$(gobonet_backend quick-scan "$wifi_interface" | grep -B 1 -F "ESSID:\"$essid\"") 161 | if [ $? != 0 ] 162 | then 163 | info=$(gobonet_backend full-scan "$wifi_interface" | grep -B 1 -F "SSID: ${essid}\$") 164 | fi 165 | info=$(echo "$info" | head -n 2) 166 | if [ "$no_password" = "no_password" ] || echo "$info" | grep "Encryption key:off" 167 | then 168 | { 169 | echo "network={" 170 | echo " ssid=\"$essid\"" 171 | echo " key_mgmt=NONE" 172 | echo "}" 173 | } > "$wifi_dir/$file" 174 | else 175 | mkdir -p "$wifi_dir" || return 1 176 | chmod 0700 "$wifi_dir" || return 1 177 | pass=$(show_dialog --password --title="Connect to $essid") 178 | if [ $? = 1 ] 179 | then 180 | return 1 181 | fi 182 | echo "$pass" | wpa_passphrase "$essid" > "$wifi_dir/$file" 183 | if [ $? = 1 ] 184 | then 185 | show_dialog --msgbox --title="Error" --text="$(grep -v " *#" "$wifi_dir/$file")" 186 | rm "$wifi_dir/$file" 187 | return 1 188 | fi 189 | fi 190 | fi 191 | 192 | echo $$ > "$wifi_dir/.connecting.pid" 193 | if gobonet_backend connect "$wifi_dir/$file" "$wifi_interface" 194 | then 195 | return 0 196 | else 197 | disconnect 198 | return 1 199 | fi 200 | } 201 | 202 | function connect_wired() { 203 | disconnect 204 | gobonet_backend connect-dhcp "$wired_interface" 205 | } 206 | 207 | function disconnect() { 208 | [ "$wifi_interface" ] && gobonet_backend disconnect "$wifi_interface" 209 | [ "$wired_interface" ] && gobonet_backend disconnect "$wired_interface" 210 | } 211 | 212 | function forget_wifi() { 213 | local essid="$1" 214 | local file="$(network_config_file "$essid")" 215 | 216 | if show_dialog --question --title="Forget $essid" --text="Are you sure you want to forget network '$essid'?" 217 | then 218 | disconnect 219 | rm -f "$wifi_dir/$file" 220 | fi 221 | } 222 | 223 | function list_wifi_networks() { 224 | echo "Available networks:" 225 | echo 226 | 227 | gobonet_backend full-scan "$wifi_interface" 2> /dev/null | grep SSID | sed "s,.*SSID: \(.*\),\"\1\",g;s,\\\\x00,,g" 228 | 229 | echo 230 | echo "Type" 231 | echo " gobonet connect \"\"" 232 | echo "to connect." 233 | } 234 | 235 | function is_connected() { 236 | [ "$1" ] || return 1 237 | if [ "$1" = "$wifi_interface" ] 238 | then 239 | grep -q -w "$wifi_interface" /proc/net/wireless || return 1 240 | fi 241 | ifconfig "$1" | grep -q -w "UP" && ifconfig "$1" | grep -q "inet6\? addr:" 242 | } 243 | 244 | function autoconnect() { 245 | if [ "$SSH_CONNECTION" ] 246 | then 247 | echo "gobonet: Will not autoconnect over a remote login." 1>&2 248 | exit 1 249 | fi 250 | if is_wired_interface_plugged "$wired_interface" 251 | then 252 | if ! is_connected "$wired_interface" 253 | then 254 | gobonet_backend connect-dhcp "$wired_interface" && exit 0 255 | fi 256 | fi 257 | if is_connected "$wifi_interface" 258 | then 259 | echo "gobonet: Interface $wifi_interface is already connected." 1>&2 260 | exit 1 261 | fi 262 | 263 | # Sort available networks by signal strength. 264 | # Use a temp file to avoid holding the gobonet_backend process 265 | # when attempting to connect. 266 | local nets_file="$(mktemp)" 267 | gobonet_backend full-scan "$wifi_interface" 2> /dev/null \ 268 | | gawk ' /signal:/ { quality=$1 } /SSID/ { print quality " " $0 }' \ 269 | | sort -n -k1 -r \ 270 | | sed "s,.*SSID: \(.*\)$,\1,g" \ 271 | > "$nets_file" 272 | 273 | local ok=1 274 | cat "$nets_file" | while IFS= read essid 275 | do 276 | config="$(network_config_file "$essid")" 277 | if [ -e "$wifi_dir/$config" ] 278 | then 279 | connect_wifi "$essid" 280 | if [ $? = 0 ] 281 | then 282 | ok=0 283 | break 284 | fi 285 | fi 286 | done 287 | rm "$nets_file" 288 | return $ok 289 | } 290 | 291 | function show_help() { 292 | echo "GoboNet - an ultra-minimalistic network manager" 293 | echo "" 294 | echo "Usage:" 295 | echo " gobonet autoconnect" 296 | echo " Scan WiFi networks and connect to a known one" 297 | echo " gobonet connect \"\"" 298 | echo " Connect to a given WiFi network" 299 | echo " gobonet connect_no_password \"\"" 300 | echo " Connect to a given WiFi network without a password," 301 | echo " if network misreports the need" 302 | echo " gobonet connect_wired" 303 | echo " Connect to a wired network" 304 | echo " gobonet disconnect" 305 | echo " Disconnect WiFi and wired interfaces" 306 | echo " gobonet forget \"\"" 307 | echo " Disconnect WiFi and forget config for this network" 308 | echo " gobonet list" 309 | echo " List available WiFi networks" 310 | echo " gobonet wifi_interface" 311 | echo " Print detected WiFi interface" 312 | echo " gobonet wired_interface" 313 | echo " Print detected wired interface" 314 | echo "" 315 | exit 0 316 | } 317 | 318 | function usage() { 319 | echo "gobonet: Usage: $0 $*" 1>&2 320 | exit 1 321 | } 322 | 323 | ########## main ########## 324 | 325 | wifi_interface="$(detect_wifi_interface)" 326 | wired_interface="$(detect_wired_interface)" 327 | if [ "$wifi_interface" = "" -a "$wired_interface" = "" ] 328 | then 329 | echo "gobonet: Failed to detect a network interface, aborting." 1>&2 330 | exit 1 331 | fi 332 | 333 | [ "$1" ] || show_help 334 | 335 | case "$1" in 336 | interface|wifi_interface) 337 | echo "$wifi_interface" 338 | [ "$wifi_interface" != "" ] 339 | exit $? 340 | ;; 341 | wired_interface) 342 | echo "$wired_interface" 343 | [ "$wired_interface" != "" ] 344 | exit $? 345 | ;; 346 | autoconnect) 347 | [ "$2" = "" ] || usage "autoconnect" 348 | autoconnect 349 | ;; 350 | connect) 351 | essid="$2" 352 | [ "$essid" -a "$3" = "" ] || usage "connect \"\"" 353 | connect_wifi "$essid" && echo "gobonet: Connected to \"$essid\"!" 354 | ;; 355 | connect_no_password) 356 | essid="$2" 357 | [ "$essid" -a "$3" = "" ] || usage "connect_no_password \"\"" 358 | connect_wifi "$essid" no_password && echo "gobonet: Connected to \"$essid\"!" 359 | ;; 360 | connect_wired) 361 | [ "$2" = "" ] || usage "connect_wired" 362 | connect_wired && echo "gobonet: Connected to \"$wired_interface\"!" 363 | ;; 364 | disconnect) 365 | [ "$2" = "" ] || usage "disconnect" 366 | disconnect 367 | ;; 368 | forget) 369 | essid="$2" 370 | [ "$essid" -a "$3" = "" ] || usage "forget \"\"" 371 | forget_wifi "$essid" 372 | ;; 373 | list) 374 | [ "$2" = "" ] || usage "list" 375 | list_wifi_networks 376 | ;; 377 | help) 378 | show_help 379 | ;; 380 | *) 381 | show_help 382 | ;; 383 | esac 384 | 385 | -------------------------------------------------------------------------------- /src/gobonet_backend.c: -------------------------------------------------------------------------------- 1 | 2 | #define _GNU_SOURCE 3 | #include 4 | #include 5 | #include 6 | #include 7 | #include 8 | #include 9 | #include 10 | #include 11 | #include 12 | 13 | #include "config.h" 14 | 15 | #define quiet_run(cmd, ...) run_backend(true, cmd, ##__VA_ARGS__) 16 | #define run(cmd, ...) run_backend(false, cmd, ##__VA_ARGS__) 17 | 18 | /* Dummy marker for mutable (i.e. non-const) variables */ 19 | #define mut 20 | 21 | static int const run_backend(bool const quiet, char const *const cmd, ...) { 22 | int mut argc = 1; 23 | va_list ap; 24 | 25 | va_start(ap, cmd); 26 | for(;;) { 27 | char const *const arg = va_arg(ap, char const *const); 28 | if (!arg) { 29 | break; 30 | } 31 | argc++; 32 | } 33 | va_end(ap); 34 | 35 | char const *mut *const argv = malloc(sizeof(char*) * (argc + 1)); 36 | if (!argv) { 37 | return -1; 38 | } 39 | argv[0] = (char*) cmd; 40 | 41 | va_start(ap, cmd); 42 | for (int mut i = 1; i <= argc; i++) { 43 | argv[i] = va_arg(ap, char const *const); 44 | } 45 | va_end(ap); 46 | 47 | pid_t const pid = fork(); 48 | if (pid == 0) { 49 | if (quiet) { 50 | close(1); 51 | close(2); 52 | } 53 | char const *const *const envp = { NULL }; 54 | execve(cmd, (char mut *const *const) argv, (char mut *const *const) envp); 55 | perror("exec"); 56 | return -1; 57 | } else if (pid > 0) { 58 | int mut ok; 59 | if (wait(&ok) != pid) { 60 | perror("wait"); 61 | return 1; 62 | } 63 | return ok; 64 | } 65 | free(argv); 66 | perror("fork"); 67 | return -1; 68 | } 69 | 70 | static char const *const base_name(char const *const path) { 71 | char const *const p = strrchr(path, '/'); 72 | if (!p) return NULL; 73 | return p+1; 74 | } 75 | 76 | static int const ifconfig(char const *const interface, char const *const mode) { 77 | if (mode) { 78 | return quiet_run(GOBONET_IFCONFIG, interface, mode, NULL); 79 | } else { 80 | return quiet_run(GOBONET_IFCONFIG, interface, NULL); 81 | } 82 | } 83 | 84 | static int const disconnect(char const *const interface, uid_t const dummy) { 85 | if (ifconfig(interface, NULL) != 0) return 1; 86 | run(GOBONET_RFKILL, "unblock", "all", NULL); 87 | char const *const wpa_supplicant = base_name(GOBONET_WPA_SUPPLICANT); 88 | char const *const dhcpcd = base_name(GOBONET_DHCPCD); 89 | if ((!wpa_supplicant) || (!dhcpcd)) { 90 | return -1; 91 | } 92 | run(GOBONET_KILLALL, wpa_supplicant, NULL); 93 | run(GOBONET_KILLALL, dhcpcd, NULL); 94 | return ifconfig(interface, "down"); 95 | } 96 | 97 | static int const connect(char const *const config, char const *const interface) { 98 | if (disconnect(interface, false) != 0) return 1; 99 | if (ifconfig(interface, "up") != 0) return 1; 100 | if (run(GOBONET_WPA_SUPPLICANT, "-Dnl80211,wext", "-c", config, "-i", interface, "-B", NULL) != 0) return 1; 101 | if (run(GOBONET_DHCPCD, "-C", "wpa_supplicant", interface, NULL) != 0) return 1; 102 | return 0; 103 | } 104 | 105 | static int const connect_dhcp(char const *const interface, uid_t const dummy) { 106 | if (disconnect(interface, false) != 0) return 1; 107 | if (ifconfig(interface, "up") != 0) return 1; 108 | if (run(GOBONET_DHCPCD, interface, NULL) != 0) return 1; 109 | return 0; 110 | } 111 | 112 | static int const interface_up(char const *const interface, uid_t const dummy) { 113 | if (ifconfig(interface, "up") != 0) return 1; 114 | return 0; 115 | } 116 | 117 | static int const scan(char const *const interface, uid_t const run_as) { 118 | run(GOBONET_RFKILL, "unblock", "all", NULL); 119 | if (ifconfig(interface, "up") != 0) return 1; 120 | setuid(run_as); 121 | if (run_as == 0) { 122 | if (run(GOBONET_IW, interface, "scan", NULL) != 0) return 1; 123 | } else { 124 | if (run(GOBONET_IWLIST, "scan", NULL) != 0) return 1; 125 | } 126 | return 0; 127 | } 128 | 129 | static int const interface_command(int const argc , char const *const *const argv, int const (*cmd)(char const *const, uid_t const), bool const drop_priv) { 130 | if (argc <= 2) { 131 | fprintf(stderr, "usage: %s %s \n", argv[0], argv[1]); 132 | return 1; 133 | } 134 | char const *const interface = argv[2]; 135 | if (strlen(interface) > 64) return 1; 136 | 137 | uid_t const user = getuid(); 138 | setuid(0); 139 | if (cmd(interface, drop_priv ? user : 0) != 0) return 1; 140 | } 141 | 142 | int const main(int const argc, char const *const *const argv) { 143 | 144 | setlocale(LC_ALL, "C"); 145 | 146 | if (argc < 2) { 147 | return 1; 148 | } 149 | 150 | if (strcmp(argv[1], "connect") == 0) { 151 | if (argc <= 3) { 152 | fprintf(stderr, "usage: %s connect \n", argv[0]); 153 | return 1; 154 | } 155 | char const *const config = argv[2]; 156 | if (strlen(config) > 1024) return 1; 157 | char const *const interface = argv[3]; 158 | if (strlen(interface) > 64) return 1; 159 | 160 | setuid(0); 161 | if (connect(config, interface) != 0) return 1; 162 | 163 | } else if (strcmp(argv[1], "interface-up") == 0) { 164 | return interface_command(argc, argv, interface_up, false); 165 | } else if (strcmp(argv[1], "connect-dhcp") == 0) { 166 | return interface_command(argc, argv, connect_dhcp, false); 167 | } else if (strcmp(argv[1], "disconnect") == 0) { 168 | return interface_command(argc, argv, disconnect, false); 169 | } else if (strcmp(argv[1], "quick-scan") == 0) { 170 | return interface_command(argc, argv, scan, true); 171 | } else if (strcmp(argv[1], "full-scan") == 0) { 172 | return interface_command(argc, argv, scan, false); 173 | } 174 | return 0; 175 | } 176 | --------------------------------------------------------------------------------