diff options
author | Junio C Hamano <gitster@pobox.com> | 2024-01-20 02:04:46 +0300 |
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committer | Junio C Hamano <gitster@pobox.com> | 2024-01-20 02:04:46 +0300 |
commit | b5fb62354213384d5f443c2cd835670407a3a2da (patch) | |
tree | 531f1a2daa9f9409810846c80e3ac3c60275eee2 | |
parent | 22695a38a4b55322d6399db0e192a57c3a84e541 (diff) | |
parent | f755e092e8bf22e7bf3599d59a6a7fa562f6b61b (diff) |
Merge branch 'sk/mingw-owner-check-error-message-improvement'
In addition to (rather cryptic) Security Identifiers, show username
and domain in the error message when we barf on mismatch between
the Git directory and the current user on Windows.
* sk/mingw-owner-check-error-message-improvement:
mingw: give more details about unsafe directory's ownership
-rw-r--r-- | compat/mingw.c | 70 |
1 files changed, 57 insertions, 13 deletions
diff --git a/compat/mingw.c b/compat/mingw.c index 42053c1f65..238a84ddba 100644 --- a/compat/mingw.c +++ b/compat/mingw.c @@ -2684,6 +2684,30 @@ static PSID get_current_user_sid(void) return result; } +static BOOL user_sid_to_user_name(PSID sid, LPSTR *str) +{ + SID_NAME_USE pe_use; + DWORD len_user = 0, len_domain = 0; + BOOL translate_sid_to_user; + + /* + * returns only FALSE, because the string pointers are NULL + */ + LookupAccountSidA(NULL, sid, NULL, &len_user, NULL, &len_domain, + &pe_use); + /* + * Alloc needed space of the strings + */ + ALLOC_ARRAY((*str), (size_t)len_domain + (size_t)len_user); + translate_sid_to_user = LookupAccountSidA(NULL, sid, + (*str) + len_domain, &len_user, *str, &len_domain, &pe_use); + if (!translate_sid_to_user) + FREE_AND_NULL(*str); + else + (*str)[len_domain] = '/'; + return translate_sid_to_user; +} + static int acls_supported(const char *path) { size_t offset = offset_1st_component(path); @@ -2765,27 +2789,47 @@ int is_path_owned_by_current_sid(const char *path, struct strbuf *report) strbuf_addf(report, "'%s' is on a file system that does " "not record ownership\n", path); } else if (report) { - LPSTR str1, str2, to_free1 = NULL, to_free2 = NULL; + LPSTR str1, str2, str3, str4, to_free1 = NULL, + to_free3 = NULL, to_local_free2 = NULL, + to_local_free4 = NULL; - if (ConvertSidToStringSidA(sid, &str1)) + if (user_sid_to_user_name(sid, &str1)) to_free1 = str1; else str1 = "(inconvertible)"; - - if (!current_user_sid) - str2 = "(none)"; - else if (!IsValidSid(current_user_sid)) - str2 = "(invalid)"; - else if (ConvertSidToStringSidA(current_user_sid, &str2)) - to_free2 = str2; + if (ConvertSidToStringSidA(sid, &str2)) + to_local_free2 = str2; else str2 = "(inconvertible)"; + + if (!current_user_sid) { + str3 = "(none)"; + str4 = "(none)"; + } + else if (!IsValidSid(current_user_sid)) { + str3 = "(invalid)"; + str4 = "(invalid)"; + } else { + if (user_sid_to_user_name(current_user_sid, + &str3)) + to_free3 = str3; + else + str3 = "(inconvertible)"; + if (ConvertSidToStringSidA(current_user_sid, + &str4)) + to_local_free4 = str4; + else + str4 = "(inconvertible)"; + } strbuf_addf(report, "'%s' is owned by:\n" - "\t'%s'\nbut the current user is:\n" - "\t'%s'\n", path, str1, str2); - LocalFree(to_free1); - LocalFree(to_free2); + "\t%s (%s)\nbut the current user is:\n" + "\t%s (%s)\n", + path, str1, str2, str3, str4); + free(to_free1); + LocalFree(to_local_free2); + free(to_free3); + LocalFree(to_local_free4); } } |