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xbps-bin(8): the 'check' target now handles symlinks correctly.

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This commit is contained in:
Juan RP 2012-10-04 12:05:04 +02:00
parent 056f40da3f
commit d59ad72ee4
2 changed files with 27 additions and 14 deletions
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3
NEWS
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@ -1,5 +1,8 @@
xbps-0.18 (???): xbps-0.18 (???):
* xbps-bin(8): the 'check' target now checks the target file in relative
symlinks, or multiple levels of symlinks.
* xbps-create(8): fixed an assertion that happened when resolving the * xbps-create(8): fixed an assertion that happened when resolving the
target file of a symlink, which was unexistent because the real file was target file of a symlink, which was unexistent because the real file was
provided by another pkg. In this case just keep the target file as is. provided by another pkg. In this case just keep the target file as is.

38
bin/xbps-bin/check_pkg_symlinks.c
View File

@ -30,6 +30,7 @@
#include <errno.h> #include <errno.h>
#include <assert.h> #include <assert.h>
#include <unistd.h> #include <unistd.h>
#include <libgen.h>
#include <sys/param.h> #include <sys/param.h>
#include <xbps_api.h> #include <xbps_api.h>
@ -55,7 +56,7 @@ check_pkg_symlinks(struct xbps_handle *xhp,
prop_object_iterator_t iter; prop_object_iterator_t iter;
prop_dictionary_t pkg_filesd = arg; prop_dictionary_t pkg_filesd = arg;
const char *file, *tgt = NULL; const char *file, *tgt = NULL;
char *path, buf[PATH_MAX]; char *path, *buf, *buf2, *buf3, *dname, *path_target;
bool broken = false, test_broken = false; bool broken = false, test_broken = false;
(void)pkgdb_update; (void)pkgdb_update;
@ -80,28 +81,37 @@ check_pkg_symlinks(struct xbps_handle *xhp,
if (path == NULL) if (path == NULL)
return -1; return -1;
memset(&buf, 0, sizeof(buf)); if ((buf = realpath(path, NULL)) == NULL) {
if (realpath(path, buf) == NULL) {
xbps_error_printf("%s: broken symlink `%s': " xbps_error_printf("%s: broken symlink `%s': "
"%s\n", pkgname, file, strerror(errno)); "%s\n", pkgname, file, strerror(errno));
test_broken = true; test_broken = true;
continue; continue;
} }
if (strncmp(tgt, "../", 3) == 0) {
free(path); /* relative symlink target */
if (strcmp(xhp->rootdir, "/") && dname = dirname(path);
strstr(buf, xhp->rootdir)) buf2 = xbps_xasprintf("%s/%s", dname, tgt);
path = buf + strlen(xhp->rootdir); assert(buf2);
else buf3 = realpath(buf2, NULL);
path = buf; assert(buf3);
free(buf2);
if (strcmp(path, tgt)) { path_target = buf3;
} else {
path_target = buf;
}
if (strcmp(buf, path_target)) {
xbps_error_printf("%s: modified symlink `%s' " xbps_error_printf("%s: modified symlink `%s' "
"points to: `%s' (shall be: `%s')\n", "points to: `%s' (shall be: `%s')\n",
pkgname, file, path, tgt); pkgname, file, buf, path_target);
test_broken = true; test_broken = true;
} }
path = NULL; free(buf);
free(path);
if (buf3)
free(buf3);
path = buf = buf2 = buf3 = NULL;
} }
prop_object_iterator_release(iter); prop_object_iterator_release(iter);
} }