diff options
Diffstat (limited to 'src/gss_err.c')
-rw-r--r-- | src/gss_err.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/src/gss_err.c b/src/gss_err.c new file mode 100644 index 0000000..dd43a49 --- /dev/null +++ b/src/gss_err.c @@ -0,0 +1,66 @@ +/* Copyright (C) 2014 GSS-NTLMSSP contributors, see COPYING for license */ + +#include <stdlib.h> +#include <string.h> +#include <errno.h> + +#include <gssapi/gssapi.h> +#include <gssapi/gssapi_ext.h> + +#include "gss_ntlmssp.h" + +#define UNKNOWN_ERROR "Unknown Error" + +uint32_t gssntlm_display_status(uint32_t *minor_status, + uint32_t status_value, + int status_type, + gss_OID mech_type, + uint32_t *message_context, + gss_buffer_t status_string) +{ + /* if you can't say it in ~6 lines of text we don't bother */ + char buf[512]; + int err; + + if (!minor_status || !status_string) { + *minor_status = EINVAL; + return GSS_S_CALL_INACCESSIBLE_READ; + } + + *minor_status = 0; + status_string->length = 0; + status_string->value = NULL; + + if (!status_value) { + /* There must have been *some* error. No point saying 'Success' */ + goto done; + } + + errno = 0; + err = strerror_r(status_value, buf, 400); + /* The XSI-compliant strerror_r() function returns 0 on success. + * On error, a (positive) error number is returned (since glibc + * 2.13), or -1 is returned and errno is set to indicate the + * error (glibc versions before 2.13). */ + if (err == -1) err = errno; + switch (err) { + case ERANGE: + /* Screw it, they can have a truncated version */ + case 0: + status_string->value = strdup(buf); + break; + default: + break; + } + +done: + if (!status_string->value) { + status_string->value = strdup(UNKNOWN_ERROR); + if (!status_string->value) { + *minor_status = ENOMEM; + return GSS_S_FAILURE; + } + } + status_string->length = strlen(status_string->value); + return GSS_S_COMPLETE; +} |