Mercurial > hg > mercurial-crew-with-dirclash

annotate contrib/hgsh/hgsh.c @ 5443:58496354773f

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Merge with crew Those crew folks are getting lazy about pulling from upstream before committing.
author Matt Mackall <mpm@selenic.com>
date Thu, 11 Oct 2007 00:46:40 -0500
parents ea7b982b6c08
children
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1 /*
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2 * hgsh.c - restricted login shell for mercurial
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3 *
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4 * Copyright 2006 Vadim Gelfer <vadim.gelfer@gmail.com>
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5 *
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6 * This software may be used and distributed according to the terms of the
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7 * GNU General Public License, incorporated herein by reference.
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8 *
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9 * this program is login shell for dedicated mercurial user account. it
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10 * only allows few actions:
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11 *
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12 * 1. run hg in server mode on specific repository. no other hg commands
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13 * are allowed. we try to verify that repo to be accessed exists under
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14 * given top-level directory.
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15 *
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16 * 2. (optional) forward ssh connection from firewall/gateway machine to
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17 * "real" mercurial host, to let users outside intranet pull and push
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18 * changes through firewall.
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19 *
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20 * 3. (optional) run normal shell, to allow to "su" to mercurial user, use
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21 * "sudo" to run programs as that user, or run cron jobs as that user.
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22 *
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23 * only tested on linux yet. patches for non-linux systems welcome.
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24 */
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25
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26 #ifndef _GNU_SOURCE
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27 #define _GNU_SOURCE /* for asprintf */
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28 #endif
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29
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30 #include <stdio.h>
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31 #include <stdlib.h>
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32 #include <string.h>
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33 #include <sys/stat.h>
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34 #include <sys/types.h>
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35 #include <sysexits.h>
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36 #include <unistd.h>
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37
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38 /*
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39 * user config.
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40 *
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41 * if you see a hostname below, just use first part of hostname. example,
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42 * if you have host named foo.bar.com, use "foo".
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43 */
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44
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45 /*
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46 * HG_GATEWAY: hostname of gateway/firewall machine that people outside your
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47 * intranet ssh into if they need to ssh to other machines. if you do not
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48 * have such machine, set to NULL.
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49 */
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50 #ifndef HG_GATEWAY
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51 #define HG_GATEWAY "gateway"
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52 #endif
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53
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54 /*
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55 * HG_HOST: hostname of mercurial server. if any machine is allowed, set to
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56 * NULL.
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57 */
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58 #ifndef HG_HOST
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59 #define HG_HOST "mercurial"
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60 #endif
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61
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62 /*
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63 * HG_USER: username to log in from HG_GATEWAY to HG_HOST. if gateway and
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64 * host username are same, set to NULL.
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65 */
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66 #ifndef HG_USER
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67 #define HG_USER "hg"
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68 #endif
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69
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70 /*
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71 * HG_ROOT: root of tree full of mercurial repos. if you do not want to
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72 * validate location of repo when someone is try to access, set to NULL.
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73 */
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74 #ifndef HG_ROOT
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75 #define HG_ROOT "/home/hg/repos"
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76 #endif
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77
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78 /*
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79 * HG: path to the mercurial executable to run.
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80 */
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81 #ifndef HG
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82 #define HG "/home/hg/bin/hg"
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83 #endif
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84
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85 /*
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86 * HG_SHELL: shell to use for actions like "sudo" and "su" access to
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87 * mercurial user, and cron jobs. if you want to make these things
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88 * impossible, set to NULL.
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89 */
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90 #ifndef HG_SHELL
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91 #define HG_SHELL NULL
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92 // #define HG_SHELL "/bin/bash"
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93 #endif
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94
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95 /*
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96 * HG_HELP: some way for users to get support if they have problem. if they
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97 * should not get helpful message, set to NULL.
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98 */
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99 #ifndef HG_HELP
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100 #define HG_HELP "please contact support@example.com for help."
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101 #endif
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102
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103 /*
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104 * SSH: path to ssh executable to run, if forwarding from HG_GATEWAY to
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105 * HG_HOST. if you want to use rsh instead (why?), you need to modify
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106 * arguments it is called with. see forward_through_gateway.
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107 */
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108 #ifndef SSH
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109 #define SSH "/usr/bin/ssh"
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110 #endif
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111
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112 /*
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113 * tell whether to print command that is to be executed. useful for
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114 * debugging. should not interfere with mercurial operation, since
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115 * mercurial only cares about stdin and stdout, and this prints to stderr.
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116 */
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117 static const int debug = 0;
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118
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119 static void print_cmdline(int argc, char **argv)
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120 {
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121 FILE *fp = stderr;
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122 int i;
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123
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124 fputs("command: ", fp);
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125
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126 for (i = 0; i < argc; i++) {
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127 char *spc = strpbrk(argv[i], " \t\r\n");
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128 if (spc) {
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129 fputc('\'', fp);
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130 }
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131 fputs(argv[i], fp);
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132 if (spc) {
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133 fputc('\'', fp);
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134 }
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135 if (i < argc - 1) {
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136 fputc(' ', fp);
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137 }
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138 }
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139 fputc('\n', fp);
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140 fflush(fp);
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141 }
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142
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143 static void usage(const char *reason, int exitcode)
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
144 {
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
145 char *hg_help = HG_HELP;
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
146
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
147 if (reason) {
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
148 fprintf(stderr, "*** Error: %s.\n", reason);
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
149 }
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
150 fprintf(stderr, "*** This program has been invoked incorrectly.\n");
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
151 if (hg_help) {
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
152 fprintf(stderr, "*** %s\n", hg_help);
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
153 }
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
154 exit(exitcode ? exitcode : EX_USAGE);
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
155 }
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
156
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
157 /*
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
158 * run on gateway host to make another ssh connection, to "real" mercurial
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
159 * server. it sends its command line unmodified to far end.
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
160 *
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
161 * never called if HG_GATEWAY is NULL.
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
162 */
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
163 static void forward_through_gateway(int argc, char **argv)
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
164 {
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
165 char *ssh = SSH;
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
166 char *hg_host = HG_HOST;
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
167 char *hg_user = HG_USER;
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
168 char **nargv = alloca((10 + argc) * sizeof(char *));
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
169 int i = 0, j;
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
170
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
171 nargv[i++] = ssh;
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
172 nargv[i++] = "-q";
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
173 nargv[i++] = "-T";
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
174 nargv[i++] = "-x";
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
175 if (hg_user) {
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
176 nargv[i++] = "-l";
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
177 nargv[i++] = hg_user;
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
178 }
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
179 nargv[i++] = hg_host;
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
180
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
181 /*
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
182 * sshd called us with added "-c", because it thinks we are a shell.
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
183 * drop it if we find it.
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
184 */
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
185 j = 1;
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
186 if (j < argc && strcmp(argv[j], "-c") == 0) {
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
187 j++;
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
188 }
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
189
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
190 for (; j < argc; i++, j++) {
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
191 nargv[i] = argv[j];
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
192 }
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
193 nargv[i] = NULL;
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
194
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
195 if (debug) {
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
196 print_cmdline(i, nargv);
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
197 }
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
198
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
199 execv(ssh, nargv);
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
200 perror(ssh);
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
201 exit(EX_UNAVAILABLE);
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
202 }
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
203
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
204 /*
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
205 * run shell. let administrator "su" to mercurial user's account to do
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
206 * administrative works.
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
207 *
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
208 * never called if HG_SHELL is NULL.
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
209 */
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
210 static void run_shell(int argc, char **argv)
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
211 {
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
212 char *hg_shell = HG_SHELL;
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
213 char **nargv;
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
214 char *c;
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
215 int i;
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
216
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
217 nargv = alloca((argc + 3) * sizeof(char *));
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
218 c = strrchr(hg_shell, '/');
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
219
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
220 /* tell "real" shell it is login shell, if needed. */
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
221
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
222 if (argv[0][0] == '-' && c) {
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
223 nargv[0] = strdup(c);
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
224 if (nargv[0] == NULL) {
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
225 perror("malloc");
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
226 exit(EX_OSERR);
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
227 }
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
228 nargv[0][0] = '-';
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
229 } else {
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
230 nargv[0] = hg_shell;
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
231 }
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
232
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
233 for (i = 1; i < argc; i++) {
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
234 nargv[i] = argv[i];
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
235 }
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
236 nargv[i] = NULL;
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
237
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
238 if (debug) {
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
239 print_cmdline(i, nargv);
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
240 }
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
241
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
242 execv(hg_shell, nargv);
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
243 perror(hg_shell);
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
244 exit(EX_OSFILE);
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
245 }
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
246
2602
9cbeef33eaa3 contrib/hgsh: make to work with remote clone over ssh.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2341
diff changeset
247 enum cmdline {
9cbeef33eaa3 contrib/hgsh: make to work with remote clone over ssh.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2341
diff changeset
248 hg_init,
9cbeef33eaa3 contrib/hgsh: make to work with remote clone over ssh.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2341
diff changeset
249 hg_serve,
9cbeef33eaa3 contrib/hgsh: make to work with remote clone over ssh.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2341
diff changeset
250 };
9cbeef33eaa3 contrib/hgsh: make to work with remote clone over ssh.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2341
diff changeset
251
5115
ea7b982b6c08 Remove trailing spaces
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4419
diff changeset
252
2341
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
253 /*
4419
59ddd43f609f contrib/hgsh: Check for .hg/store as well as .hg/data.
Bryan O'Sullivan <bos@serpentine.com>
parents: 2602
diff changeset
254 * attempt to verify that a directory is really a hg repo, by testing
59ddd43f609f contrib/hgsh: Check for .hg/store as well as .hg/data.
Bryan O'Sullivan <bos@serpentine.com>
parents: 2602
diff changeset
255 * for the existence of a subdirectory.
59ddd43f609f contrib/hgsh: Check for .hg/store as well as .hg/data.
Bryan O'Sullivan <bos@serpentine.com>
parents: 2602
diff changeset
256 */
59ddd43f609f contrib/hgsh: Check for .hg/store as well as .hg/data.
Bryan O'Sullivan <bos@serpentine.com>
parents: 2602
diff changeset
257 static int validate_repo(const char *repo_root, const char *subdir)
59ddd43f609f contrib/hgsh: Check for .hg/store as well as .hg/data.
Bryan O'Sullivan <bos@serpentine.com>
parents: 2602
diff changeset
258 {
59ddd43f609f contrib/hgsh: Check for .hg/store as well as .hg/data.
Bryan O'Sullivan <bos@serpentine.com>
parents: 2602
diff changeset
259 char *abs_path;
59ddd43f609f contrib/hgsh: Check for .hg/store as well as .hg/data.
Bryan O'Sullivan <bos@serpentine.com>
parents: 2602
diff changeset
260 struct stat st;
59ddd43f609f contrib/hgsh: Check for .hg/store as well as .hg/data.
Bryan O'Sullivan <bos@serpentine.com>
parents: 2602
diff changeset
261 int ret;
59ddd43f609f contrib/hgsh: Check for .hg/store as well as .hg/data.
Bryan O'Sullivan <bos@serpentine.com>
parents: 2602
diff changeset
262
59ddd43f609f contrib/hgsh: Check for .hg/store as well as .hg/data.
Bryan O'Sullivan <bos@serpentine.com>
parents: 2602
diff changeset
263 if (asprintf(&abs_path, "%s.hg/%s", repo_root, subdir) == -1) {
59ddd43f609f contrib/hgsh: Check for .hg/store as well as .hg/data.
Bryan O'Sullivan <bos@serpentine.com>
parents: 2602
diff changeset
264 ret = -1;
59ddd43f609f contrib/hgsh: Check for .hg/store as well as .hg/data.
Bryan O'Sullivan <bos@serpentine.com>
parents: 2602
diff changeset
265 goto bail;
59ddd43f609f contrib/hgsh: Check for .hg/store as well as .hg/data.
Bryan O'Sullivan <bos@serpentine.com>
parents: 2602
diff changeset
266 }
59ddd43f609f contrib/hgsh: Check for .hg/store as well as .hg/data.
Bryan O'Sullivan <bos@serpentine.com>
parents: 2602
diff changeset
267
59ddd43f609f contrib/hgsh: Check for .hg/store as well as .hg/data.
Bryan O'Sullivan <bos@serpentine.com>
parents: 2602
diff changeset
268 /* verify that we really are looking at valid repo. */
59ddd43f609f contrib/hgsh: Check for .hg/store as well as .hg/data.
Bryan O'Sullivan <bos@serpentine.com>
parents: 2602
diff changeset
269
59ddd43f609f contrib/hgsh: Check for .hg/store as well as .hg/data.
Bryan O'Sullivan <bos@serpentine.com>
parents: 2602
diff changeset
270 if (stat(abs_path, &st) == -1) {
59ddd43f609f contrib/hgsh: Check for .hg/store as well as .hg/data.
Bryan O'Sullivan <bos@serpentine.com>
parents: 2602
diff changeset
271 ret = 0;
59ddd43f609f contrib/hgsh: Check for .hg/store as well as .hg/data.
Bryan O'Sullivan <bos@serpentine.com>
parents: 2602
diff changeset
272 } else {
59ddd43f609f contrib/hgsh: Check for .hg/store as well as .hg/data.
Bryan O'Sullivan <bos@serpentine.com>
parents: 2602
diff changeset
273 ret = 1;
59ddd43f609f contrib/hgsh: Check for .hg/store as well as .hg/data.
Bryan O'Sullivan <bos@serpentine.com>
parents: 2602
diff changeset
274 }
59ddd43f609f contrib/hgsh: Check for .hg/store as well as .hg/data.
Bryan O'Sullivan <bos@serpentine.com>
parents: 2602
diff changeset
275
59ddd43f609f contrib/hgsh: Check for .hg/store as well as .hg/data.
Bryan O'Sullivan <bos@serpentine.com>
parents: 2602
diff changeset
276 bail:
59ddd43f609f contrib/hgsh: Check for .hg/store as well as .hg/data.
Bryan O'Sullivan <bos@serpentine.com>
parents: 2602
diff changeset
277 return ret;
59ddd43f609f contrib/hgsh: Check for .hg/store as well as .hg/data.
Bryan O'Sullivan <bos@serpentine.com>
parents: 2602
diff changeset
278 }
59ddd43f609f contrib/hgsh: Check for .hg/store as well as .hg/data.
Bryan O'Sullivan <bos@serpentine.com>
parents: 2602
diff changeset
279
59ddd43f609f contrib/hgsh: Check for .hg/store as well as .hg/data.
Bryan O'Sullivan <bos@serpentine.com>
parents: 2602
diff changeset
280 /*
2341
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
281 * paranoid wrapper, runs hg executable in server mode.
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
282 */
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
283 static void serve_data(int argc, char **argv)
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
284 {
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
285 char *hg_root = HG_ROOT;
2602
9cbeef33eaa3 contrib/hgsh: make to work with remote clone over ssh.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2341
diff changeset
286 char *repo, *repo_root;
9cbeef33eaa3 contrib/hgsh: make to work with remote clone over ssh.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2341
diff changeset
287 enum cmdline cmd;
2341
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
288 char *nargv[6];
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
289 size_t repolen;
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
290 int i;
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
291
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
292 /*
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
293 * check argv for looking okay. we should be invoked with argv
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
294 * resembling like this:
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
295 *
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
296 * hgsh
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
297 * -c
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
298 * hg -R some/path serve --stdio
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
299 *
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
300 * the "-c" is added by sshd, because it thinks we are login shell.
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
301 */
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
302
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
303 if (argc != 3) {
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
304 goto badargs;
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
305 }
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
306
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
307 if (strcmp(argv[1], "-c") != 0) {
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
308 goto badargs;
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
309 }
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
310
2602
9cbeef33eaa3 contrib/hgsh: make to work with remote clone over ssh.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2341
diff changeset
311 if (sscanf(argv[2], "hg init %as", &repo) == 1) {
9cbeef33eaa3 contrib/hgsh: make to work with remote clone over ssh.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2341
diff changeset
312 cmd = hg_init;
9cbeef33eaa3 contrib/hgsh: make to work with remote clone over ssh.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2341
diff changeset
313 }
9cbeef33eaa3 contrib/hgsh: make to work with remote clone over ssh.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2341
diff changeset
314 else if (sscanf(argv[2], "hg -R %as serve --stdio", &repo) == 1) {
9cbeef33eaa3 contrib/hgsh: make to work with remote clone over ssh.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2341
diff changeset
315 cmd = hg_serve;
9cbeef33eaa3 contrib/hgsh: make to work with remote clone over ssh.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2341
diff changeset
316 } else {
2341
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
317 goto badargs;
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
318 }
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
319
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
320 repolen = repo ? strlen(repo) : 0;
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
321
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
322 if (repolen == 0) {
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
323 goto badargs;
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
324 }
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
325
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
326 if (hg_root) {
2602
9cbeef33eaa3 contrib/hgsh: make to work with remote clone over ssh.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2341
diff changeset
327 if (asprintf(&repo_root, "%s/%s/", hg_root, repo) == -1) {
2341
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
328 goto badargs;
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
329 }
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
330
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
331 /*
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
332 * attempt to stop break out from inside the repository tree. could
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
333 * do something more clever here, because e.g. we could traverse a
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
334 * symlink that looks safe, but really breaks us out of tree.
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
335 */
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
336
2602
9cbeef33eaa3 contrib/hgsh: make to work with remote clone over ssh.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2341
diff changeset
337 if (strstr(repo_root, "/../") != NULL) {
2341
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
338 goto badargs;
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
339 }
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
340
2602
9cbeef33eaa3 contrib/hgsh: make to work with remote clone over ssh.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2341
diff changeset
341 /* only hg init expects no repo. */
2341
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
342
2602
9cbeef33eaa3 contrib/hgsh: make to work with remote clone over ssh.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2341
diff changeset
343 if (cmd != hg_init) {
4419
59ddd43f609f contrib/hgsh: Check for .hg/store as well as .hg/data.
Bryan O'Sullivan <bos@serpentine.com>
parents: 2602
diff changeset
344 int valid;
5115
ea7b982b6c08 Remove trailing spaces
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4419
diff changeset
345
4419
59ddd43f609f contrib/hgsh: Check for .hg/store as well as .hg/data.
Bryan O'Sullivan <bos@serpentine.com>
parents: 2602
diff changeset
346 valid = validate_repo(repo_root, "data");
59ddd43f609f contrib/hgsh: Check for .hg/store as well as .hg/data.
Bryan O'Sullivan <bos@serpentine.com>
parents: 2602
diff changeset
347
59ddd43f609f contrib/hgsh: Check for .hg/store as well as .hg/data.
Bryan O'Sullivan <bos@serpentine.com>
parents: 2602
diff changeset
348 if (valid == -1) {
2602
9cbeef33eaa3 contrib/hgsh: make to work with remote clone over ssh.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2341
diff changeset
349 goto badargs;
9cbeef33eaa3 contrib/hgsh: make to work with remote clone over ssh.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2341
diff changeset
350 }
5115
ea7b982b6c08 Remove trailing spaces
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4419
diff changeset
351
4419
59ddd43f609f contrib/hgsh: Check for .hg/store as well as .hg/data.
Bryan O'Sullivan <bos@serpentine.com>
parents: 2602
diff changeset
352 if (valid == 0) {
59ddd43f609f contrib/hgsh: Check for .hg/store as well as .hg/data.
Bryan O'Sullivan <bos@serpentine.com>
parents: 2602
diff changeset
353 valid = validate_repo(repo_root, "store");
2602
9cbeef33eaa3 contrib/hgsh: make to work with remote clone over ssh.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2341
diff changeset
354
4419
59ddd43f609f contrib/hgsh: Check for .hg/store as well as .hg/data.
Bryan O'Sullivan <bos@serpentine.com>
parents: 2602
diff changeset
355 if (valid == -1) {
59ddd43f609f contrib/hgsh: Check for .hg/store as well as .hg/data.
Bryan O'Sullivan <bos@serpentine.com>
parents: 2602
diff changeset
356 goto badargs;
59ddd43f609f contrib/hgsh: Check for .hg/store as well as .hg/data.
Bryan O'Sullivan <bos@serpentine.com>
parents: 2602
diff changeset
357 }
59ddd43f609f contrib/hgsh: Check for .hg/store as well as .hg/data.
Bryan O'Sullivan <bos@serpentine.com>
parents: 2602
diff changeset
358 }
5115
ea7b982b6c08 Remove trailing spaces
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4419
diff changeset
359
4419
59ddd43f609f contrib/hgsh: Check for .hg/store as well as .hg/data.
Bryan O'Sullivan <bos@serpentine.com>
parents: 2602
diff changeset
360 if (valid == 0) {
2602
9cbeef33eaa3 contrib/hgsh: make to work with remote clone over ssh.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2341
diff changeset
361 perror(repo);
9cbeef33eaa3 contrib/hgsh: make to work with remote clone over ssh.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2341
diff changeset
362 exit(EX_DATAERR);
9cbeef33eaa3 contrib/hgsh: make to work with remote clone over ssh.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2341
diff changeset
363 }
9cbeef33eaa3 contrib/hgsh: make to work with remote clone over ssh.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2341
diff changeset
364 }
2341
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
365
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
366 if (chdir(hg_root) == -1) {
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
367 perror(hg_root);
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
368 exit(EX_SOFTWARE);
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
369 }
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
370 }
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
371
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
372 i = 0;
2602
9cbeef33eaa3 contrib/hgsh: make to work with remote clone over ssh.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2341
diff changeset
373
9cbeef33eaa3 contrib/hgsh: make to work with remote clone over ssh.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2341
diff changeset
374 switch (cmd) {
9cbeef33eaa3 contrib/hgsh: make to work with remote clone over ssh.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2341
diff changeset
375 case hg_serve:
9cbeef33eaa3 contrib/hgsh: make to work with remote clone over ssh.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2341
diff changeset
376 nargv[i++] = HG;
9cbeef33eaa3 contrib/hgsh: make to work with remote clone over ssh.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2341
diff changeset
377 nargv[i++] = "-R";
9cbeef33eaa3 contrib/hgsh: make to work with remote clone over ssh.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2341
diff changeset
378 nargv[i++] = repo;
9cbeef33eaa3 contrib/hgsh: make to work with remote clone over ssh.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2341
diff changeset
379 nargv[i++] = "serve";
9cbeef33eaa3 contrib/hgsh: make to work with remote clone over ssh.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2341
diff changeset
380 nargv[i++] = "--stdio";
9cbeef33eaa3 contrib/hgsh: make to work with remote clone over ssh.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2341
diff changeset
381 break;
9cbeef33eaa3 contrib/hgsh: make to work with remote clone over ssh.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2341
diff changeset
382 case hg_init:
9cbeef33eaa3 contrib/hgsh: make to work with remote clone over ssh.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2341
diff changeset
383 nargv[i++] = HG;
9cbeef33eaa3 contrib/hgsh: make to work with remote clone over ssh.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2341
diff changeset
384 nargv[i++] = "init";
9cbeef33eaa3 contrib/hgsh: make to work with remote clone over ssh.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2341
diff changeset
385 nargv[i++] = repo;
9cbeef33eaa3 contrib/hgsh: make to work with remote clone over ssh.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2341
diff changeset
386 break;
9cbeef33eaa3 contrib/hgsh: make to work with remote clone over ssh.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents: 2341
diff changeset
387 }
5115
ea7b982b6c08 Remove trailing spaces
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4419
diff changeset
388
2341
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
389 nargv[i] = NULL;
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
390
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
391 if (debug) {
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
392 print_cmdline(i, nargv);
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
393 }
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
394
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
395 execv(HG, nargv);
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
396 perror(HG);
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
397 exit(EX_UNAVAILABLE);
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
398
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
399 badargs:
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
400 /* print useless error message. */
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
401
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
402 usage("invalid arguments", EX_DATAERR);
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
403 }
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
404
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
405 int main(int argc, char **argv)
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
406 {
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
407 char host[1024];
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
408 char *c;
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
409
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
410 if (gethostname(host, sizeof(host)) == -1) {
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
411 perror("gethostname");
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
412 exit(EX_OSERR);
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
413 }
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
414
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
415 if ((c = strchr(host, '.')) != NULL) {
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
416 *c = '\0';
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
417 }
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
418
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
419 if (getenv("SSH_CLIENT")) {
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
420 char *hg_gateway = HG_GATEWAY;
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
421 char *hg_host = HG_HOST;
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
422
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
423 if (hg_gateway && strcmp(host, hg_gateway) == 0) {
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
424 forward_through_gateway(argc, argv);
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
425 }
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
426
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
427 if (hg_host && strcmp(host, hg_host) != 0) {
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
428 usage("invoked on unexpected host", EX_USAGE);
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
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429 }
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
430
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
431 serve_data(argc, argv);
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
432 } else if (HG_SHELL) {
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
433 run_shell(argc, argv);
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
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434 } else {
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
435 usage("invalid arguments", EX_DATAERR);
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
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436 }
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff changeset
437
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
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438 return 0;
dbbe7f72d15a contrib: add restricted shell.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
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439 }