diff options
Diffstat (limited to 'libglusterfs/src')
| -rw-r--r-- | libglusterfs/src/xlator.c | 125 | ||||
| -rw-r--r-- | libglusterfs/src/xlator.h | 1 |
2 files changed, 126 insertions, 0 deletions
diff --git a/libglusterfs/src/xlator.c b/libglusterfs/src/xlator.c index 9866081538f..6af2c8e8f0e 100644 --- a/libglusterfs/src/xlator.c +++ b/libglusterfs/src/xlator.c @@ -114,6 +114,124 @@ fill_defaults (xlator_t *xl) return; } +/* RFC 1123 & 952 */ +static char +valid_host_name (char *address, int length) +{ + int i = 0; + char ret = 1; + + if ((length > 24) || (length == 1)) { + ret = 0; + goto out; + } + + if (!isalnum (address[length - 1])) { + ret = 0; + goto out; + } + + for (i = 0; i < length; i++) { + if (!isalnum (address[i]) && (address[i] != '.') + && (address[i] != '-')) { + ret = 0; + goto out; + } + } + +out: + return ret; +} + +static char +valid_ipv4_address (char *address, int length) +{ + int octets = 0; + int value = 0; + char *tmp = NULL, *ptr = NULL, *prev = NULL, *endptr = NULL; + char ret = 1; + + prev = tmp = strdup (address); + prev = strtok_r (tmp, ".", &ptr); + + while (prev != NULL) + { + octets++; + value = strtol (prev, &endptr, 10); + if ((value > 255) || (value < 0) || (endptr != NULL)) { + ret = 0; + goto out; + } + + prev = strtok_r (NULL, ".", &ptr); + } + + if (octets != 4) { + ret = 0; + } + +out: + FREE (tmp); + return ret; +} + +static char +valid_ipv6_address (char *address, int length) +{ + int hex_numbers = 0; + int value = 0; + char *tmp = NULL, *ptr = NULL, *prev = NULL, *endptr = NULL; + char ret = 1; + + tmp = strdup (address); + prev = strtok_r (tmp, ":", &ptr); + + while (prev != NULL) + { + hex_numbers++; + value = strtol (prev, &endptr, 16); + if ((value > 0xffff) || (value < 0) || (endptr != NULL)) { + ret = 0; + goto out; + } + + prev = strtok_r (NULL, ":", &ptr); + } + + if (hex_numbers > 8) { + ret = 0; + } + +out: + FREE (tmp); + return ret; +} + +static char +valid_internet_address (char *address) +{ + char ret = 0; + int length = 0; + + if (address == NULL) { + goto out; + } + + length = strlen (address); + if (length == 0) { + goto out; + } + + if (valid_ipv4_address (address, length) + || valid_ipv6_address (address, length) + || valid_host_name (address, length)) { + ret = 1; + } + +out: + return ret; +} + int _volume_option_value_validate (xlator_t *xl, data_pair_t *pair, @@ -380,6 +498,13 @@ _volume_option_value_validate (xlator_t *xl, ret = 0; } break; + case GF_OPTION_TYPE_INTERNET_ADDRESS: + { + if (valid_internet_address (pair->value->data)) { + ret = 0; + } + } + break; case GF_OPTION_TYPE_ANY: /* NO CHECK */ ret = 0; diff --git a/libglusterfs/src/xlator.h b/libglusterfs/src/xlator.h index 2f35643c34c..fe50c8147fb 100644 --- a/libglusterfs/src/xlator.h +++ b/libglusterfs/src/xlator.h @@ -809,6 +809,7 @@ typedef enum { GF_OPTION_TYPE_PATH, GF_OPTION_TYPE_TIME, GF_OPTION_TYPE_DOUBLE, + GF_OPTION_TYPE_INTERNET_ADDRESS, } volume_option_type_t; #define ZR_VOLUME_MAX_NUM_KEY 4 |