зеркало из https://github.com/microsoft/git.git
Tighten refspec processing
This changes the pattern matching code to not store the required final / before the *, and then to require each side to be a valid ref (or empty). In particular, any refspec that looks like it should be a pattern but doesn't quite meet the requirements will be found to be invalid as a fallback non-pattern. Signed-off-by: Daniel Barkalow <barkalow@iabervon.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Родитель
971f229c50
Коммит
ef00d150e4
47
remote.c
47
remote.c
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@ -396,6 +396,7 @@ static void read_config(void)
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struct refspec *parse_ref_spec(int nr_refspec, const char **refspec)
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{
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int i;
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int st;
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struct refspec *rs = xcalloc(sizeof(*rs), nr_refspec);
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for (i = 0; i < nr_refspec; i++) {
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const char *sp, *ep, *gp;
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@ -404,13 +405,15 @@ struct refspec *parse_ref_spec(int nr_refspec, const char **refspec)
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rs[i].force = 1;
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sp++;
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}
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gp = strchr(sp, '*');
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gp = strstr(sp, "/*");
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ep = strchr(sp, ':');
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if (gp && ep && gp > ep)
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gp = NULL;
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if (ep) {
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if (ep[1]) {
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const char *glob = strchr(ep + 1, '*');
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const char *glob = strstr(ep + 1, "/*");
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if (glob && glob[2])
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glob = NULL;
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if (!glob)
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gp = NULL;
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if (gp)
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@ -422,11 +425,24 @@ struct refspec *parse_ref_spec(int nr_refspec, const char **refspec)
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} else {
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ep = sp + strlen(sp);
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}
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if (gp && gp + 2 != ep)
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gp = NULL;
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if (gp) {
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rs[i].pattern = 1;
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ep = gp;
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}
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rs[i].src = xstrndup(sp, ep - sp);
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if (*rs[i].src) {
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st = check_ref_format(rs[i].src);
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if (st && st != CHECK_REF_FORMAT_ONELEVEL)
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die("Invalid refspec '%s'", refspec[i]);
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}
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if (rs[i].dst && *rs[i].dst) {
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st = check_ref_format(rs[i].dst);
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if (st && st != CHECK_REF_FORMAT_ONELEVEL)
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die("Invalid refspec '%s'", refspec[i]);
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}
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}
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return rs;
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}
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@ -543,7 +559,8 @@ int remote_find_tracking(struct remote *remote, struct refspec *refspec)
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if (!fetch->dst)
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continue;
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if (fetch->pattern) {
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if (!prefixcmp(needle, key)) {
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if (!prefixcmp(needle, key) &&
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needle[strlen(key)] == '/') {
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*result = xmalloc(strlen(value) +
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strlen(needle) -
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strlen(key) + 1);
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@ -790,7 +807,9 @@ static const struct refspec *check_pattern_match(const struct refspec *rs,
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{
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int i;
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for (i = 0; i < rs_nr; i++) {
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if (rs[i].pattern && !prefixcmp(src->name, rs[i].src))
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if (rs[i].pattern &&
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!prefixcmp(src->name, rs[i].src) &&
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src->name[strlen(rs[i].src)] == '/')
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return rs + i;
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}
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return NULL;
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@ -989,7 +1008,7 @@ int get_fetch_map(const struct ref *remote_refs,
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struct ref ***tail,
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int missing_ok)
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{
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struct ref *ref_map, *rm;
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struct ref *ref_map, **rmp;
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if (refspec->pattern) {
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ref_map = get_expanded_map(remote_refs, refspec);
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@ -1006,10 +1025,20 @@ int get_fetch_map(const struct ref *remote_refs,
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}
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}
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for (rm = ref_map; rm; rm = rm->next) {
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if (rm->peer_ref && check_ref_format(rm->peer_ref->name + 5))
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die("* refusing to create funny ref '%s' locally",
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rm->peer_ref->name);
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for (rmp = &ref_map; *rmp; ) {
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if ((*rmp)->peer_ref) {
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int st = check_ref_format((*rmp)->peer_ref->name + 5);
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if (st && st != CHECK_REF_FORMAT_ONELEVEL) {
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struct ref *ignore = *rmp;
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error("* Ignoring funny ref '%s' locally",
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(*rmp)->peer_ref->name);
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*rmp = (*rmp)->next;
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free(ignore->peer_ref);
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free(ignore);
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continue;
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}
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}
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rmp = &((*rmp)->next);
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}
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if (ref_map)
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