diff options
Diffstat (limited to 'source4/libcli/nbt/nbtname.c')
| -rw-r--r-- | source4/libcli/nbt/nbtname.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/source4/libcli/nbt/nbtname.c b/source4/libcli/nbt/nbtname.c index 0d2840e0b5..da5205d818 100644 --- a/source4/libcli/nbt/nbtname.c +++ b/source4/libcli/nbt/nbtname.c @@ -25,6 +25,7 @@ */ #include "includes.h" +#include "system/iconv.h" #include "librpc/gen_ndr/ndr_nbt.h" /* don't allow an unlimited number of name components */ @@ -320,3 +321,59 @@ void nbt_choose_called_name(TALLOC_CTX *mem_ctx, n->name = talloc_strdup(mem_ctx, name); } + + +/* + escape a string into a form containing only a small set of characters, + the rest is hex encoded. This is similar to URL encoding +*/ +static const char *nbt_hex_encode(TALLOC_CTX *mem_ctx, const char *s) +{ + int i, len; + char *ret; + const char *valid_chars = "_-.$@"; + + for (len=i=0;s[i];i++,len++) { + if (!isalnum(s[i]) && !strchr(valid_chars, s[i])) { + len += 2; + } + } + + ret = talloc_array(mem_ctx, char, len+1); + if (ret == NULL) return NULL; + + for (len=i=0;s[i];i++) { + if (isalnum(s[i]) || strchr(valid_chars, s[i])) { + ret[len++] = s[i]; + } else { + snprintf(&ret[len], 3, "%02x", s[i]); + len += 3; + } + } + ret[len] = 0; + + return ret; +} + + +/* + form a string for a NBT name +*/ +const char *nbt_name_string(TALLOC_CTX *mem_ctx, const struct nbt_name *name) +{ + TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx); + const char *ret; + if (name->scope) { + ret = talloc_asprintf(mem_ctx, "%s<%02x>-%s", + nbt_hex_encode(tmp_ctx, name->name), + name->type, + nbt_hex_encode(tmp_ctx, name->scope)); + } else { + ret = talloc_asprintf(mem_ctx, "%s<%02x>", + nbt_hex_encode(tmp_ctx, name->name), + name->type); + } + talloc_free(tmp_ctx); + return ret; +} + |