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Add helper function for uri handing in scp where a
missing path simply means ".".  Also fix exit code and add warnings when an
invalid uri is encountered.  OK otto@

OpenBSD-Commit-ID: 47dcf872380586dabf7fcc6e7baf5f8ad508ae1a
This commit is contained in:
millert@openbsd.org 2017-12-18 17:28:54 +00:00 committed by Damien Miller
parent 04c7e28f83
commit c9e37a8725
1 changed files with 36 additions and 11 deletions
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47
scp.c
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@ -1,4 +1,4 @@
/* $OpenBSD: scp.c,v 1.193 2017/10/21 23:06:24 millert Exp $ */ /* $OpenBSD: scp.c,v 1.194 2017/12/18 17:28:54 millert Exp $ */
/* /*
* scp - secure remote copy. This is basically patched BSD rcp which * scp - secure remote copy. This is basically patched BSD rcp which
* uses ssh to do the data transfer (instead of using rcmd). * uses ssh to do the data transfer (instead of using rcmd).
@ -606,6 +606,18 @@ do_times(int fd, int verb, const struct stat *sb)
return (response()); return (response());
} }
static int
parse_scp_uri(const char *uri, char **userp, char **hostp, int *portp,
char **pathp)
{
int r;
r = parse_uri("scp", uri, userp, hostp, portp, pathp);
if (r == 0 && *pathp == NULL)
*pathp = xstrdup(".");
return r;
}
void void
toremote(int argc, char **argv) toremote(int argc, char **argv)
{ {
@ -620,27 +632,39 @@ toremote(int argc, char **argv)
alist.list = NULL; alist.list = NULL;
/* Parse target */ /* Parse target */
r = parse_uri("scp", argv[argc - 1], &tuser, &thost, &tport, &targ); r = parse_scp_uri(argv[argc - 1], &tuser, &thost, &tport, &targ);
if (r == -1) if (r == -1) {
goto out; /* invalid URI */ fmprintf(stderr, "%s: invalid uri\n", argv[argc - 1]);
++errs;
goto out;
}
if (r != 0) { if (r != 0) {
if (parse_user_host_path(argv[argc - 1], &tuser, &thost, if (parse_user_host_path(argv[argc - 1], &tuser, &thost,
&targ) == -1) &targ) == -1) {
fmprintf(stderr, "%s: invalid target\n", argv[argc - 1]);
++errs;
goto out; goto out;
}
} }
if (tuser != NULL && !okname(tuser)) if (tuser != NULL && !okname(tuser)) {
++errs;
goto out; goto out;
}
/* Parse source files */ /* Parse source files */
for (i = 0; i < argc - 1; i++) { for (i = 0; i < argc - 1; i++) {
free(suser); free(suser);
free(host); free(host);
free(src); free(src);
r = parse_uri("scp", argv[i], &suser, &host, &sport, &src); r = parse_scp_uri(argv[i], &suser, &host, &sport, &src);
if (r == -1) if (r == -1) {
continue; /* invalid URI */ fmprintf(stderr, "%s: invalid uri\n", argv[i]);
if (r != 0) ++errs;
continue;
}
if (r != 0) {
parse_user_host_path(argv[i], &suser, &host, &src); parse_user_host_path(argv[i], &suser, &host, &src);
}
if (suser != NULL && !okname(suser)) { if (suser != NULL && !okname(suser)) {
++errs; ++errs;
continue; continue;
@ -730,8 +754,9 @@ tolocal(int argc, char **argv)
free(suser); free(suser);
free(host); free(host);
free(src); free(src);
r = parse_uri("scp", argv[i], &suser, &host, &sport, &src); r = parse_scp_uri(argv[i], &suser, &host, &sport, &src);
if (r == -1) { if (r == -1) {
fmprintf(stderr, "%s: invalid uri\n", argv[i]);
++errs; ++errs;
continue; continue;
} }