diff options
Diffstat (limited to 'source/lib/util_str.c')
| -rw-r--r-- | source/lib/util_str.c | 95 |
1 files changed, 59 insertions, 36 deletions
diff --git a/source/lib/util_str.c b/source/lib/util_str.c index f5f9cc1fe44..a2b01a0fc7e 100644 --- a/source/lib/util_str.c +++ b/source/lib/util_str.c @@ -857,29 +857,29 @@ include the terminating zero. char *safe_strcpy(char *dest,const char *src, size_t maxlength) { - size_t len; + size_t len; - if (!dest) { - DEBUG(0,("ERROR: NULL dest in safe_strcpy\n")); - return NULL; - } + if (!dest) { + DEBUG(0,("ERROR: NULL dest in safe_strcpy\n")); + return NULL; + } - if (!src) { - *dest = 0; - return dest; - } + if (!src) { + *dest = 0; + return dest; + } - len = strlen(src); + len = strlen(src); - if (len > maxlength) { - DEBUG(0,("ERROR: string overflow by %d in safe_strcpy [%.50s]\n", - (int)(len-maxlength), src)); - len = maxlength; - } + if (len > maxlength) { + DEBUG(0,("ERROR: string overflow by %d in safe_strcpy [%.50s]\n", + (int)(len-maxlength), src)); + len = maxlength; + } - memcpy(dest, src, len); - dest[len] = 0; - return dest; + memcpy(dest, src, len); + dest[len] = 0; + return dest; } /******************************************************************* @@ -889,29 +889,30 @@ include the terminating zero. char *safe_strcat(char *dest, const char *src, size_t maxlength) { - size_t src_len, dest_len; + size_t src_len, dest_len; - if (!dest) { - DEBUG(0,("ERROR: NULL dest in safe_strcat\n")); - return NULL; - } + if (!dest) { + DEBUG(0,("ERROR: NULL dest in safe_strcat\n")); + return NULL; + } - if (!src) { - return dest; - } + if (!src) + return dest; - src_len = strlen(src); - dest_len = strlen(dest); + src_len = strlen(src); + dest_len = strlen(dest); - if (src_len + dest_len > maxlength) { - DEBUG(0,("ERROR: string overflow by %d in safe_strcat [%.50s]\n", - (int)(src_len + dest_len - maxlength), src)); - src_len = maxlength - dest_len; - } + if (src_len + dest_len > maxlength) { + DEBUG(0,("ERROR: string overflow by %d in safe_strcat [%.50s]\n", + (int)(src_len + dest_len - maxlength), src)); + if (dest_len >= maxlength) + return dest; + src_len = maxlength - dest_len; + } - memcpy(&dest[dest_len], src, src_len); - dest[dest_len + src_len] = 0; - return dest; + memcpy(&dest[dest_len], src, src_len); + dest[dest_len + src_len] = 0; + return dest; } /******************************************************************* @@ -1309,3 +1310,25 @@ char *string_truncate(char *s, int length) } return s; } + +/* + return a RFC2254 binary string representation of a buffer + used in LDAP filters + caller must free +*/ +char *binary_string(char *buf, int len) +{ + char *s; + int i, j; + const char *hex = "0123456789ABCDEF"; + s = malloc(len * 3 + 1); + if (!s) return NULL; + for (j=i=0;i<len;i++) { + s[j] = '\\'; + s[j+1] = hex[((unsigned char)buf[i]) >> 4]; + s[j+2] = hex[((unsigned char)buf[i]) & 0xF]; + j += 3; + } + s[j] = 0; + return s; +} |