diff options
Diffstat (limited to 'libpam/include')
| -rw-r--r-- | libpam/include/security/_pam_macros.h | 49 |
1 files changed, 35 insertions, 14 deletions
diff --git a/libpam/include/security/_pam_macros.h b/libpam/include/security/_pam_macros.h index 7c3dde1d..2827fabf 100644 --- a/libpam/include/security/_pam_macros.h +++ b/libpam/include/security/_pam_macros.h @@ -64,6 +64,9 @@ do { \ #include <sys/types.h> #include <stdarg.h> #include <errno.h> +#include <sys/stat.h> +#include <fcntl.h> +#include <unistd.h> /* * This is for debugging purposes ONLY. DO NOT use on live systems !!! @@ -81,37 +84,55 @@ static void _pam_output_debug_info(const char *file, const char *fn , const int line) { FILE *logfile; - int must_close = 1; - - if (!(logfile = fopen(_PAM_LOGFILE,"a"))) { + int must_close = 1, fd; + +#ifdef O_NOFOLLOW + if ((fd = open(_PAM_LOGFILE, O_WRONLY|O_NOFOLLOW|O_APPEND)) != -1) { +#else + if ((fd = open(_PAM_LOGFILE, O_WRONLY|O_APPEND)) != -1) { +#endif + if (!(logfile = fdopen(fd,"a"))) { + logfile = stderr; + must_close = 0; + close(fd); + } + } else { logfile = stderr; - must_close = 0; + must_close = 0; } fprintf(logfile,"[%s:%s(%d)] ",file, fn, line); - if (must_close) { - fflush(logfile); + fflush(logfile); + if (must_close) fclose(logfile); - } } static void _pam_output_debug(const char *format, ...) { va_list args; FILE *logfile; - int must_close = 1; + int must_close = 1, fd; va_start(args, format); - if (!(logfile = fopen(_PAM_LOGFILE,"a"))) { - logfile = stderr; - must_close = 0; +#ifdef O_NOFOLLOW + if ((fd = open(_PAM_LOGFILE, O_WRONLY|O_NOFOLLOW|O_APPEND)) != -1) { +#else + if ((fd = open(_PAM_LOGFILE, O_WRONLY|O_APPEND)) != -1) { +#endif + if (!(logfile = fdopen(fd,"a"))) { + logfile = stderr; + must_close = 0; + close(fd); + } + } else { + logfile = stderr; + must_close = 0; } vfprintf(logfile, format, args); fprintf(logfile, "\n"); - if (must_close) { - fflush(logfile); + fflush(logfile); + if (must_close) fclose(logfile); - } va_end(args); } |