diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Makefile.am | 4 | ||||
| -rw-r--r-- | lib/base64.c | 50 | ||||
| -rw-r--r-- | lib/base64.h | 4 |
3 files changed, 56 insertions, 2 deletions
diff --git a/lib/Makefile.am b/lib/Makefile.am index 9dd3a0c2..1b309846 100644 --- a/lib/Makefile.am +++ b/lib/Makefile.am @@ -5,8 +5,8 @@ SUBDIRS = tests noinst_LIBRARIES = libnagiosplug.a -libnagiosplug_a_SOURCES = utils_base.c utils_disk.c utils_tcp.c utils_cmd.c -EXTRA_DIST = utils_base.h utils_disk.h utils_tcp.h utils_cmd.h +libnagiosplug_a_SOURCES = utils_base.c utils_disk.c utils_tcp.c utils_cmd.c base64.c +EXTRA_DIST = utils_base.h utils_disk.h utils_tcp.h utils_cmd.h base64.h INCLUDES = -I$(srcdir) -I$(top_srcdir)/gl -I$(top_srcdir)/intl -I$(top_srcdir)/plugins diff --git a/lib/base64.c b/lib/base64.c new file mode 100644 index 00000000..1f1fcb8c --- /dev/null +++ b/lib/base64.c @@ -0,0 +1,50 @@ +/**************************************************************************** +* Function to encode in Base64 +* +* Written by Lauri Alanko +* +*****************************************************************************/ + +#include "common.h" +#include "base64.h" + +char * +base64 (const char *bin, size_t len) +{ + + char *buf = (char *) malloc ((len + 2) / 3 * 4 + 1); + size_t i = 0, j = 0; + + char BASE64_END = '='; + char base64_table[64]; + strncpy (base64_table, "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/", 64); + + while (j < len - 2) { + buf[i++] = base64_table[bin[j] >> 2]; + buf[i++] = base64_table[((bin[j] & 3) << 4) | (bin[j + 1] >> 4)]; + buf[i++] = base64_table[((bin[j + 1] & 15) << 2) | (bin[j + 2] >> 6)]; + buf[i++] = base64_table[bin[j + 2] & 63]; + j += 3; + } + + switch (len - j) { + case 1: + buf[i++] = base64_table[bin[j] >> 2]; + buf[i++] = base64_table[(bin[j] & 3) << 4]; + buf[i++] = BASE64_END; + buf[i++] = BASE64_END; + break; + case 2: + buf[i++] = base64_table[bin[j] >> 2]; + buf[i++] = base64_table[((bin[j] & 3) << 4) | (bin[j + 1] >> 4)]; + buf[i++] = base64_table[(bin[j + 1] & 15) << 2]; + buf[i++] = BASE64_END; + break; + case 0: + break; + } + + buf[i] = '\0'; + return buf; +} + diff --git a/lib/base64.h b/lib/base64.h new file mode 100644 index 00000000..1e0a0b04 --- /dev/null +++ b/lib/base64.h @@ -0,0 +1,4 @@ +/* Header file for base64.c */ + +char *base64 (const char *bin, size_t len); + |