annotate scpmisc.c @ 612:1aee049681bd

Tidy error handling and get rid of some commented out code
author Matt Johnston <matt@ucc.asn.au>
date Thu, 07 Apr 2011 12:30:20 +0000
parents b72f98803e46
children 973fccb59ea4 49f68a7b7a55
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
1 /*
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
2 * Copyright (c) 2000 Markus Friedl. All rights reserved.
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
3 *
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
4 * Redistribution and use in source and binary forms, with or without
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
5 * modification, are permitted provided that the following conditions
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
6 * are met:
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
7 * 1. Redistributions of source code must retain the above copyright
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
8 * notice, this list of conditions and the following disclaimer.
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
9 * 2. Redistributions in binary form must reproduce the above copyright
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
10 * notice, this list of conditions and the following disclaimer in the
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
11 * documentation and/or other materials provided with the distribution.
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
12 *
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
14 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
15 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
16 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
17 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
18 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
19 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
20 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
22 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
23 */
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
24
38
5c6f9d27ea1c get rid of the substitution... We want a fixed identifier
Matt Johnston <matt@ucc.asn.au>
parents: 4
diff changeset
25 /*RCSID("OpenBSD: misc.c,v 1.22 2003/09/18 08:49:45 markus Exp ");*/
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
26
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
27 /* For xmalloc, xfree etc:
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
28 * Author: Tatu Ylonen <[email protected]>
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
29 * Copyright (c) 1995 Tatu Ylonen <[email protected]>, Espoo, Finland
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
30 * All rights reserved
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
31 * Versions of malloc and friends that check their results, and never return
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
32 * failure (they call fatal if they encounter an error).
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
33 *
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
34 * As far as I am concerned, the code I have written for this software
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
35 * can be used freely for any purpose. Any derived versions of this
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
36 * software must be clearly marked as such, and if the derived work is
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
37 * incompatible with the protocol description in the RFC file, it must be
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
38 * called by a name other than "ssh" or "Secure Shell".
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
39 */
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
40
38
5c6f9d27ea1c get rid of the substitution... We want a fixed identifier
Matt Johnston <matt@ucc.asn.au>
parents: 4
diff changeset
41 /*RCSID("OpenBSD: xmalloc.c,v 1.16 2001/07/23 18:21:46 stevesk Exp ");*/
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
42
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
43 #include "includes.h"
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
44 #include "scpmisc.h"
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
45
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
46 void *
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
47 xmalloc(size_t size)
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
48 {
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
49 void *ptr;
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
50
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
51 if (size == 0) {
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
52 fprintf(stderr, "xmalloc: zero size\n");
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
53 exit(EXIT_FAILURE);
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
54 }
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
55 ptr = malloc(size);
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
56 if (ptr == NULL) {
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
57 fprintf(stderr, "xmalloc: out of memory (allocating %lu bytes)\n", (u_long) size);
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
58 exit(EXIT_FAILURE);
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
59 }
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
60 return ptr;
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
61 }
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
62
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
63 void *
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
64 xrealloc(void *ptr, size_t new_size)
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
65 {
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
66 void *new_ptr;
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
67
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
68 if (new_size == 0) {
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
69 fprintf(stderr, "xrealloc: zero size\n");
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
70 exit(EXIT_FAILURE);
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
71 }
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
72 if (ptr == NULL)
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
73 new_ptr = malloc(new_size);
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
74 else
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
75 new_ptr = realloc(ptr, new_size);
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
76 if (new_ptr == NULL) {
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
77 fprintf(stderr, "xrealloc: out of memory (new_size %lu bytes)\n", (u_long) new_size);
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
78 exit(EXIT_FAILURE);
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
79 }
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
80 return new_ptr;
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
81 }
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
82
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
83 void
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
84 xfree(void *ptr)
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
85 {
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
86 if (ptr == NULL) {
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
87 fprintf(stderr, "xfree: NULL pointer given as argument\n");
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
88 exit(EXIT_FAILURE);
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
89 }
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
90 free(ptr);
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
91 }
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
92
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
93 char *
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
94 xstrdup(const char *str)
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
95 {
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
96 size_t len;
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
97 char *cp;
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
98
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
99 len = strlen(str) + 1;
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
100 cp = xmalloc(len);
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
101 strncpy(cp, str, len);
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
102 return cp;
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
103 }
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
104
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
105 char *
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
106 cleanhostname(char *host)
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
107 {
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
108 if (*host == '[' && host[strlen(host) - 1] == ']') {
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
109 host[strlen(host) - 1] = '\0';
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
110 return (host + 1);
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
111 } else
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
112 return host;
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
113 }
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
114
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
115 char *
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
116 colon(char *cp)
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
117 {
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
118 int flag = 0;
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
119
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
120 if (*cp == ':') /* Leading colon is part of file name. */
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
121 return (0);
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
122 if (*cp == '[')
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
123 flag = 1;
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
124
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
125 for (; *cp; ++cp) {
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
126 if (*cp == '@' && *(cp+1) == '[')
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
127 flag = 1;
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
128 if (*cp == ']' && *(cp+1) == ':' && flag)
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
129 return (cp+1);
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
130 if (*cp == ':' && !flag)
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
131 return (cp);
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
132 if (*cp == '/')
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
133 return (0);
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
134 }
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
135 return (0);
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
136 }
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
137
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
138 /* function to assist building execv() arguments */
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
139 void
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
140 addargs(arglist *args, char *fmt, ...)
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
141 {
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
142 va_list ap;
287
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
143 char *cp;
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
144 u_int nalloc;
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
145 int r;
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
146
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
147 va_start(ap, fmt);
287
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
148 r = vasprintf(&cp, fmt, ap);
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
149 va_end(ap);
287
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
150 if (r == -1)
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
151 fatal("addargs: argument too long");
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
152
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
153 nalloc = args->nalloc;
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
154 if (args->list == NULL) {
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
155 nalloc = 32;
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
156 args->num = 0;
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
157 } else if (args->num+2 >= nalloc)
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
158 nalloc *= 2;
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
159
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
160 args->list = xrealloc(args->list, nalloc * sizeof(char *));
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
161 args->nalloc = nalloc;
287
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
162 args->list[args->num++] = cp;
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
163 args->list[args->num] = NULL;
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
164 }
287
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
165
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
166 void
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
167 replacearg(arglist *args, u_int which, char *fmt, ...)
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
168 {
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
169 va_list ap;
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
170 char *cp;
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
171 int r;
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
172
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
173 va_start(ap, fmt);
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
174 r = vasprintf(&cp, fmt, ap);
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
175 va_end(ap);
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
176 if (r == -1)
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
177 fatal("replacearg: argument too long");
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
178
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
179 if (which >= args->num)
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
180 fatal("replacearg: tried to replace invalid arg %d >= %d",
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
181 which, args->num);
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
182 xfree(args->list[which]);
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
183 args->list[which] = cp;
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
184 }
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
185
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
186 void
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
187 freeargs(arglist *args)
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
188 {
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
189 u_int i;
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
190
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
191 if (args->list != NULL) {
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
192 for (i = 0; i < args->num; i++)
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
193 xfree(args->list[i]);
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
194 xfree(args->list);
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
195 args->nalloc = args->num = 0;
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
196 args->list = NULL;
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
197 }
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
198 }
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
199
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
200 /*
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
201 * NB. duplicate __progname in case it is an alias for argv[0]
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
202 * Otherwise it may get clobbered by setproctitle()
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
203 */
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
204 char *ssh_get_progname(char *argv0)
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
205 {
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
206 char *p;
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
207
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
208 if (argv0 == NULL)
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
209 return ("unknown"); /* XXX */
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
210 p = strrchr(argv0, '/');
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
211 if (p == NULL)
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
212 p = argv0;
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
213 else
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
214 p++;
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
215
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
216 return (xstrdup(p));
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
217 }
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
218
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
219 void fatal(char* fmt,...)
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
220 {
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
221 va_list args;
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
222 va_start(args, fmt);
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
223 vfprintf(stderr, fmt, args);
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
224 va_end(args);
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
225 exit(255);
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
226 }
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
227
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
228 void
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
229 sanitise_stdfd(void)
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
230 {
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
231 int nullfd, dupfd;
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
232
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
233 if ((nullfd = dupfd = open(_PATH_DEVNULL, O_RDWR)) == -1) {
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
234 fprintf(stderr, "Couldn't open /dev/null: %s", strerror(errno));
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
235 exit(1);
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
236 }
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
237 while (++dupfd <= 2) {
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
238 /* Only clobber closed fds */
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
239 if (fcntl(dupfd, F_GETFL, 0) >= 0)
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
240 continue;
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
241 if (dup2(nullfd, dupfd) == -1) {
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
242 fprintf(stderr, "dup2: %s", strerror(errno));
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
243 exit(1);
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
244 }
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
245 }
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
246 if (nullfd > 2)
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
247 close(nullfd);
b72f98803e46 Update to scp from OpenSSH portable 4.3p2
Matt Johnston <matt@ucc.asn.au>
parents: 38
diff changeset
248 }