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authorJunio C Hamano <gitster@pobox.com>2015-12-21 10:59:07 -0800
committerJunio C Hamano <gitster@pobox.com>2015-12-21 10:59:07 -0800
commit5498c57cdd637eb4f42ce8e296ce9ca4ab66e289 (patch)
tree2806f731354fe228714c4811b9676378338ba43e /ident.c
parent7aaff08f3996eceadc98a531ef0faa8d7bae955e (diff)
parent92bcbb9b338dd27f0fd4245525093c4bce867f3d (diff)
downloadgit-5498c57cdd637eb4f42ce8e296ce9ca4ab66e289.tar.gz
Merge branch 'jk/ident-loosen-getpwuid'
When getpwuid() on the system returned NULL (e.g. the user is not in the /etc/passwd file or other uid-to-name mappings), the codepath to find who the user is to record it in the reflog barfed and died. Loosen the check in this codepath, which already accepts questionable ident string (e.g. host part of the e-mail address is obviously bogus), and in general when we operate fmt_ident() function in non-strict mode. * jk/ident-loosen-getpwuid: ident: loosen getpwuid error in non-strict mode ident: keep a flag for bogus default_email ident: make xgetpwuid_self() a static local helper
Diffstat (limited to 'ident.c')
-rw-r--r--ident.c49
1 files changed, 40 insertions, 9 deletions
diff --git a/ident.c b/ident.c
index 00a62e0c42..daf7e1ea83 100644
--- a/ident.c
+++ b/ident.c
@@ -10,6 +10,8 @@
static struct strbuf git_default_name = STRBUF_INIT;
static struct strbuf git_default_email = STRBUF_INIT;
static struct strbuf git_default_date = STRBUF_INIT;
+static int default_email_is_bogus;
+static int default_name_is_bogus;
#define IDENT_NAME_GIVEN 01
#define IDENT_MAIL_GIVEN 02
@@ -23,6 +25,25 @@ static int author_ident_explicitly_given;
#define get_gecos(struct_passwd) ((struct_passwd)->pw_gecos)
#endif
+static struct passwd *xgetpwuid_self(int *is_bogus)
+{
+ struct passwd *pw;
+
+ errno = 0;
+ pw = getpwuid(getuid());
+ if (!pw) {
+ static struct passwd fallback;
+ fallback.pw_name = "unknown";
+#ifndef NO_GECOS_IN_PWENT
+ fallback.pw_gecos = "Unknown";
+#endif
+ pw = &fallback;
+ if (is_bogus)
+ *is_bogus = 1;
+ }
+ return pw;
+}
+
static void copy_gecos(const struct passwd *w, struct strbuf *name)
{
char *src;
@@ -96,22 +117,26 @@ static int canonical_name(const char *host, struct strbuf *out)
return status;
}
-static void add_domainname(struct strbuf *out)
+static void add_domainname(struct strbuf *out, int *is_bogus)
{
char buf[1024];
if (gethostname(buf, sizeof(buf))) {
warning("cannot get host name: %s", strerror(errno));
strbuf_addstr(out, "(none)");
+ *is_bogus = 1;
return;
}
if (strchr(buf, '.'))
strbuf_addstr(out, buf);
- else if (canonical_name(buf, out) < 0)
+ else if (canonical_name(buf, out) < 0) {
strbuf_addf(out, "%s.(none)", buf);
+ *is_bogus = 1;
+ }
}
-static void copy_email(const struct passwd *pw, struct strbuf *email)
+static void copy_email(const struct passwd *pw, struct strbuf *email,
+ int *is_bogus)
{
/*
* Make up a fake email address
@@ -122,13 +147,13 @@ static void copy_email(const struct passwd *pw, struct strbuf *email)
if (!add_mailname_host(email))
return; /* read from "/etc/mailname" (Debian) */
- add_domainname(email);
+ add_domainname(email, is_bogus);
}
const char *ident_default_name(void)
{
if (!git_default_name.len) {
- copy_gecos(xgetpwuid_self(), &git_default_name);
+ copy_gecos(xgetpwuid_self(&default_name_is_bogus), &git_default_name);
strbuf_trim(&git_default_name);
}
return git_default_name.buf;
@@ -144,7 +169,8 @@ const char *ident_default_email(void)
committer_ident_explicitly_given |= IDENT_MAIL_GIVEN;
author_ident_explicitly_given |= IDENT_MAIL_GIVEN;
} else
- copy_email(xgetpwuid_self(), &git_default_email);
+ copy_email(xgetpwuid_self(&default_email_is_bogus),
+ &git_default_email, &default_email_is_bogus);
strbuf_trim(&git_default_email);
}
return git_default_email.buf;
@@ -332,12 +358,17 @@ const char *fmt_ident(const char *name, const char *email,
fputs(env_hint, stderr);
die("empty ident name (for <%s>) not allowed", email);
}
- pw = xgetpwuid_self();
+ pw = xgetpwuid_self(NULL);
name = pw->pw_name;
}
- if (strict && email == git_default_email.buf &&
- strstr(email, "(none)")) {
+ if (want_name && strict &&
+ name == git_default_name.buf && default_name_is_bogus) {
+ fputs(env_hint, stderr);
+ die("unable to auto-detect name (got '%s')", name);
+ }
+
+ if (strict && email == git_default_email.buf && default_email_is_bogus) {
fputs(env_hint, stderr);
die("unable to auto-detect email address (got '%s')", email);
}