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bin/xbps-remove/clean-cache.c: CID 62747 (toctou)

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This commit is contained in:
Juan RP 2014-10-08 10:09:58 +02:00
parent 513f8a2bae
commit b157407684
1 changed files with 10 additions and 6 deletions
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8
bin/xbps-remove/clean-cache.c
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@ -76,11 +76,13 @@ cleaner_cb(struct xbps_handle *xhp, xbps_object_t obj,
} else { } else {
printf("Removed %s from cachedir (sha256 mismatch)\n", binpkg); printf("Removed %s from cachedir (sha256 mismatch)\n", binpkg);
} }
if ((access(binpkgsig, R_OK) == 0) && (unlink(binpkgsig) == -1)) { if (unlink(binpkgsig) == -1) {
if (errno != ENOENT) {
fprintf(stderr, "Failed to remove " fprintf(stderr, "Failed to remove "
"`%s': %s\n", binpkgsig, strerror(errno)); "`%s': %s\n", binpkgsig, strerror(errno));
} }
} }
}
free(binpkgsig); free(binpkgsig);
return 0; return 0;
} }
@ -90,10 +92,12 @@ cleaner_cb(struct xbps_handle *xhp, xbps_object_t obj,
} else { } else {
printf("Removed %s from cachedir (obsolete)\n", binpkg); printf("Removed %s from cachedir (obsolete)\n", binpkg);
} }
if ((access(binpkgsig, R_OK) == 0) && (unlink(binpkgsig) == -1)) { if (unlink(binpkgsig) == -1) {
if (errno != ENOENT) {
fprintf(stderr, "Failed to remove `%s': %s\n", fprintf(stderr, "Failed to remove `%s': %s\n",
binpkgsig, strerror(errno)); binpkgsig, strerror(errno));
} }
}
free(binpkgsig); free(binpkgsig);
return 0; return 0;