1 /*
2 * xauth - manipulate authorization file
3 *
4 *
5 Copyright 1989, 1998 The Open Group
6
7 Permission to use, copy, modify, distribute, and sell this software and its
8 documentation for any purpose is hereby granted without fee, provided that
9 the above copyright notice appear in all copies and that both that
10 copyright notice and this permission notice appear in supporting
11 documentation.
12
13 The above copyright notice and this permission notice shall be included in
14 all copies or substantial portions of the Software.
15
16 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
20 AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
21 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
22
23 Except as contained in this notice, the name of The Open Group shall not be
24 used in advertising or otherwise to promote the sale, use or other dealings
25 in this Software without prior written authorization from The Open Group.
26 * *
27 * Original Author of "xauth" : Jim Fulton, MIT X Consortium
28 * Modified into "iceauth" : Ralph Mor, X Consortium
29 */
30
31 #include "iceauth.h"
32
33
34 /*
35 * global data
36 */
37 const char *ProgramName; /* argv[0], set at top of main() */
38 int verbose = -1; /* print certain messages */
39 Bool ignore_locks = False; /* for error recovery */
40 Bool break_locks = False; /* for error recovery */
41
42 /*
43 * local data
44 */
45
46 static char *authfilename = NULL; /* filename of cookie file */
47 static const char *defcmds[] = { "source", "-", NULL }; /* default command */
48 static int ndefcmds = 2;
49 static const char *defsource = "(stdin)";
50
51
52 /*
53 * utility routines
54 */
55 static void _X_NORETURN
usage(int exitcode)56 usage (int exitcode)
57 {
58 static const char prefixmsg[] =
59 "\n"
60 "where options include:\n"
61 " -f authfilename name of authority file to use\n"
62 " -v turn on extra messages\n"
63 " -q turn off extra messages\n"
64 " -i ignore locks on authority file\n"
65 " -b break locks on authority file\n"
66 " -V print version and exit\n"
67 "\n"
68 "and commands have the following syntax:\n";
69 static const char suffixmsg[] =
70 "A dash may be used with the \"merge\" and \"source\" to read from the\n"
71 "standard input. Commands beginning with \"n\" use numeric format.\n";
72
73 fprintf (stderr, "usage: %s [-options ...] [command arg ...]\n",
74 ProgramName);
75 fprintf (stderr, "%s", prefixmsg);
76 print_help (stderr, NULL);
77 fprintf (stderr, "\n%s\n", suffixmsg);
78 exit (exitcode);
79 }
80
81
82 /*
83 * The main routine - parses command line and calls action procedures
84 */
85 int
main(int argc,char * argv[])86 main (int argc, char *argv[])
87 {
88 int i;
89 const char *sourcename = defsource;
90 const char **arglist = defcmds;
91 int nargs = ndefcmds;
92 int status;
93
94 ProgramName = argv[0];
95
96 for (i = 1; i < argc; i++) {
97 const char *arg = argv[i];
98
99 if (arg[0] == '-') {
100 const char *flag;
101
102 for (flag = (arg + 1); *flag; flag++) {
103 switch (*flag) {
104 case 'f': /* -f authfilename */
105 if (++i >= argc) {
106 fprintf(stderr, "%s: -f requires an argument\n",
107 ProgramName);
108 usage (1);
109 }
110 authfilename = argv[i];
111 continue;
112 case 'V': /* -V */
113 printf("%s\n", PACKAGE_STRING);
114 exit(0);
115 case 'v': /* -v */
116 verbose = 1;
117 continue;
118 case 'q': /* -q */
119 verbose = 0;
120 continue;
121 case 'b': /* -b */
122 break_locks = True;
123 continue;
124 case 'i': /* -i */
125 ignore_locks = True;
126 continue;
127 case 'u': /* -u */
128 usage (0);
129 default:
130 fprintf(stderr, "%s: unrecognized option '%s'\n",
131 ProgramName, flag);
132 usage (1);
133 }
134 }
135 } else {
136 sourcename = "(argv)";
137 nargs = argc - i;
138 arglist = (const char **) argv + i;
139 if (verbose == -1) verbose = 0;
140 break;
141 }
142 }
143
144 if (verbose == -1) { /* set default, don't junk stdout */
145 verbose = (isatty(fileno(stdout)) != 0);
146 }
147
148 if (!authfilename) {
149 authfilename = IceAuthFileName (); /* static name, do not free */
150 if (!authfilename) {
151 fprintf (stderr,
152 "%s: unable to generate an authority file name\n",
153 ProgramName);
154 exit (1);
155 }
156 }
157 if (auth_initialize (authfilename) != 0) {
158 /* error message printed in auth_initialize */
159 exit (1);
160 }
161
162 status = process_command (sourcename, 1, nargs, arglist);
163
164 (void) auth_finalize ();
165 exit ((status != 0) ? 1 : 0);
166 }
167