diff options
Diffstat (limited to 'src/libstrongswan/chunk.c')
| -rw-r--r-- | src/libstrongswan/chunk.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/src/libstrongswan/chunk.c b/src/libstrongswan/chunk.c index 1967b350a..cba823c22 100644 --- a/src/libstrongswan/chunk.c +++ b/src/libstrongswan/chunk.c @@ -25,6 +25,7 @@ #include "chunk.h" +#include <debug.h> #include <printf_hook.h> /** @@ -205,6 +206,45 @@ void chunk_split(chunk_t chunk, const char *mode, ...) va_end(chunks); } +/** + * Described in header. + */ +bool chunk_write(chunk_t chunk, const char *path, const char *label, mode_t mask, bool force) +{ + mode_t oldmask; + FILE *fd; + + if (!force) + { + fd = fopen(path, "r"); + if (fd) + { + fclose(fd); + DBG1(" %s file '%s' already exists", label, path); + return FALSE; + } + } + + /* set umask */ + oldmask = umask(mask); + + fd = fopen(path, "w"); + + if (fd) + { + fwrite(chunk.ptr, sizeof(u_char), chunk.len, fd); + fclose(fd); + DBG1(" written %s file '%s' (%u bytes)", label, path, chunk.len); + umask(oldmask); + return TRUE; + } + else + { + DBG1(" could not open %s file '%s' for writing", label, path); + umask(oldmask); + return FALSE; + } +} /** * Described in header. |