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-rw-r--r--credential-store.c81
1 files changed, 56 insertions, 25 deletions
diff --git a/credential-store.c b/credential-store.c
index d435514..c519f80 100644
--- a/credential-store.c
+++ b/credential-store.c
@@ -6,7 +6,7 @@
static struct lock_file credential_lock;
-static void parse_credential_file(const char *fn,
+static int parse_credential_file(const char *fn,
struct credential *c,
void (*match_cb)(struct credential *),
void (*other_cb)(struct strbuf *))
@@ -14,18 +14,20 @@ static void parse_credential_file(const char *fn,
FILE *fh;
struct strbuf line = STRBUF_INIT;
struct credential entry = CREDENTIAL_INIT;
+ int found_credential = 0;
fh = fopen(fn, "r");
if (!fh) {
- if (errno != ENOENT)
+ if (errno != ENOENT && errno != EACCES)
die_errno("unable to open %s", fn);
- return;
+ return found_credential;
}
while (strbuf_getline(&line, fh, '\n') != EOF) {
credential_from_url(&entry, line.buf);
if (entry.username && entry.password &&
credential_match(c, &entry)) {
+ found_credential = 1;
if (match_cb) {
match_cb(&entry);
break;
@@ -38,6 +40,7 @@ static void parse_credential_file(const char *fn,
credential_clear(&entry);
strbuf_release(&line);
fclose(fh);
+ return found_credential;
}
static void print_entry(struct credential *c)
@@ -64,21 +67,10 @@ static void rewrite_credential_file(const char *fn, struct credential *c,
die_errno("unable to commit credential store");
}
-static void store_credential(const char *fn, struct credential *c)
+static void store_credential_file(const char *fn, struct credential *c)
{
struct strbuf buf = STRBUF_INIT;
- /*
- * Sanity check that what we are storing is actually sensible.
- * In particular, we can't make a URL without a protocol field.
- * Without either a host or pathname (depending on the scheme),
- * we have no primary key. And without a username and password,
- * we are not actually storing a credential.
- */
- if (!c->protocol || !(c->host || c->path) ||
- !c->username || !c->password)
- return;
-
strbuf_addf(&buf, "%s://", c->protocol);
strbuf_addstr_urlencode(&buf, c->username, 1);
strbuf_addch(&buf, ':');
@@ -95,8 +87,37 @@ static void store_credential(const char *fn, struct credential *c)
strbuf_release(&buf);
}
-static void remove_credential(const char *fn, struct credential *c)
+static void store_credential(const struct string_list *fns, struct credential *c)
{
+ struct string_list_item *fn;
+
+ /*
+ * Sanity check that what we are storing is actually sensible.
+ * In particular, we can't make a URL without a protocol field.
+ * Without either a host or pathname (depending on the scheme),
+ * we have no primary key. And without a username and password,
+ * we are not actually storing a credential.
+ */
+ if (!c->protocol || !(c->host || c->path) || !c->username || !c->password)
+ return;
+
+ for_each_string_list_item(fn, fns)
+ if (!access(fn->string, F_OK)) {
+ store_credential_file(fn->string, c);
+ return;
+ }
+ /*
+ * Write credential to the filename specified by fns->items[0], thus
+ * creating it
+ */
+ if (fns->nr)
+ store_credential_file(fns->items[0].string, c);
+}
+
+static void remove_credential(const struct string_list *fns, struct credential *c)
+{
+ struct string_list_item *fn;
+
/*
* Sanity check that we actually have something to match
* against. The input we get is a restrictive pattern,
@@ -105,14 +126,20 @@ static void remove_credential(const char *fn, struct credential *c)
* to empty input. So explicitly disallow it, and require that the
* pattern have some actual content to match.
*/
- if (c->protocol || c->host || c->path || c->username)
- rewrite_credential_file(fn, c, NULL);
+ if (!c->protocol && !c->host && !c->path && !c->username)
+ return;
+ for_each_string_list_item(fn, fns)
+ if (!access(fn->string, F_OK))
+ rewrite_credential_file(fn->string, c, NULL);
}
-static int lookup_credential(const char *fn, struct credential *c)
+static void lookup_credential(const struct string_list *fns, struct credential *c)
{
- parse_credential_file(fn, c, print_entry, NULL);
- return c->username && c->password;
+ struct string_list_item *fn;
+
+ for_each_string_list_item(fn, fns)
+ if (parse_credential_file(fn->string, c, print_entry, NULL))
+ return; /* Found credential */
}
int main(int argc, char **argv)
@@ -123,6 +150,7 @@ int main(int argc, char **argv)
};
const char *op;
struct credential c = CREDENTIAL_INIT;
+ struct string_list fns = STRING_LIST_INIT_DUP;
char *file = NULL;
struct option options[] = {
OPT_STRING(0, "file", &file, "path",
@@ -139,20 +167,23 @@ int main(int argc, char **argv)
if (!file)
file = expand_user_path("~/.git-credentials");
- if (!file)
+ if (file)
+ string_list_append(&fns, file);
+ else
die("unable to set up default path; use --file");
if (credential_read(&c, stdin) < 0)
die("unable to read credential");
if (!strcmp(op, "get"))
- lookup_credential(file, &c);
+ lookup_credential(&fns, &c);
else if (!strcmp(op, "erase"))
- remove_credential(file, &c);
+ remove_credential(&fns, &c);
else if (!strcmp(op, "store"))
- store_credential(file, &c);
+ store_credential(&fns, &c);
else
; /* Ignore unknown operation. */
+ string_list_clear(&fns, 0);
return 0;
}