diff options
Diffstat (limited to 'pcap-new.c')
| -rw-r--r-- | pcap-new.c | 225 |
1 files changed, 0 insertions, 225 deletions
@@ -321,231 +321,6 @@ int pcap_findalldevs_ex(char *source, struct pcap_rmtauth *auth, pcap_if_t **all } } -int pcap_createsrcstr(char *source, int type, const char *host, const char *port, const char *name, char *errbuf) -{ - switch (type) - { - case PCAP_SRC_FILE: - { - strlcpy(source, PCAP_SRC_FILE_STRING, PCAP_BUF_SIZE); - if ((name) && (*name)) - { - strlcat(source, name, PCAP_BUF_SIZE); - return 0; - } - else - { - pcap_snprintf(errbuf, PCAP_ERRBUF_SIZE, "The file name cannot be NULL."); - return -1; - } - } - - case PCAP_SRC_IFREMOTE: - { - strlcpy(source, PCAP_SRC_IF_STRING, PCAP_BUF_SIZE); - if ((host) && (*host)) - { - if ((strcspn(host, "aAbBcCdDeEfFgGhHjJkKlLmMnNoOpPqQrRsStTuUvVwWxXyYzZ")) == strlen(host)) - { - /* the host name does not contains alphabetic chars. So, it is a numeric address */ - /* In this case we have to include it between square brackets */ - strlcat(source, "[", PCAP_BUF_SIZE); - strlcat(source, host, PCAP_BUF_SIZE); - strlcat(source, "]", PCAP_BUF_SIZE); - } - else - strlcat(source, host, PCAP_BUF_SIZE); - - if ((port) && (*port)) - { - strlcat(source, ":", PCAP_BUF_SIZE); - strlcat(source, port, PCAP_BUF_SIZE); - } - - strlcat(source, "/", PCAP_BUF_SIZE); - } - else - { - pcap_snprintf(errbuf, PCAP_ERRBUF_SIZE, "The host name cannot be NULL."); - return -1; - } - - if ((name) && (*name)) - strlcat(source, name, PCAP_BUF_SIZE); - - return 0; - } - - case PCAP_SRC_IFLOCAL: - { - strlcpy(source, PCAP_SRC_IF_STRING, PCAP_BUF_SIZE); - - if ((name) && (*name)) - strlcat(source, name, PCAP_BUF_SIZE); - - return 0; - } - - default: - { - pcap_snprintf(errbuf, PCAP_ERRBUF_SIZE, "The interface type is not valid."); - return -1; - } - } -} - -int pcap_parsesrcstr(const char *source, int *type, char *host, char *port, char *name, char *errbuf) -{ - char *ptr; - int ntoken; - char tmpname[PCAP_BUF_SIZE]; - char tmphost[PCAP_BUF_SIZE]; - char tmpport[PCAP_BUF_SIZE]; - int tmptype; - - /* Initialization stuff */ - tmpname[0] = 0; - tmphost[0] = 0; - tmpport[0] = 0; - - if (host) - *host = 0; - if (port) - *port = 0; - if (name) - *name = 0; - - /* Look for a 'rpcap://' identifier */ - if ((ptr = strstr(source, PCAP_SRC_IF_STRING)) != NULL) - { - if (strlen(PCAP_SRC_IF_STRING) == strlen(source)) - { - /* The source identifier contains only the 'rpcap://' string. */ - /* So, this is a local capture. */ - *type = PCAP_SRC_IFLOCAL; - return 0; - } - - ptr += strlen(PCAP_SRC_IF_STRING); - - if (strchr(ptr, '[')) /* This is probably a numeric address */ - { - ntoken = sscanf(ptr, "[%[1234567890:.]]:%[^/]/%s", tmphost, tmpport, tmpname); - - if (ntoken == 1) /* probably the port is missing */ - ntoken = sscanf(ptr, "[%[1234567890:.]]/%s", tmphost, tmpname); - - tmptype = PCAP_SRC_IFREMOTE; - } - else - { - ntoken = sscanf(ptr, "%[^/:]:%[^/]/%s", tmphost, tmpport, tmpname); - - if (ntoken == 1) - { - /* - * This can be due to two reasons: - * - we want a remote capture, but the network port is missing - * - we want to do a local capture - * To distinguish between the two, we look for the '/' char - */ - if (strchr(ptr, '/')) - { - /* We're on a remote capture */ - sscanf(ptr, "%[^/]/%s", tmphost, tmpname); - tmptype = PCAP_SRC_IFREMOTE; - } - else - { - /* We're on a local capture */ - if (*ptr) - strlcpy(tmpname, ptr, PCAP_BUF_SIZE); - - /* Clean the host name, since it is a remote capture */ - /* NOTE: the host name has been assigned in the previous "ntoken= sscanf(...)" line */ - tmphost[0] = 0; - - tmptype = PCAP_SRC_IFLOCAL; - } - } - else - tmptype = PCAP_SRC_IFREMOTE; - } - - if (host) - strlcpy(host, tmphost, PCAP_BUF_SIZE); - if (port) - strlcpy(port, tmpport, PCAP_BUF_SIZE); - if (type) - *type = tmptype; - - if (name) - { - /* - * If the user wants the host name, but it cannot be located into the source string, return error - * However, if the user is not interested in the interface name (e.g. if we're called by - * pcap_findalldevs_ex(), which does not have interface name, do not return error - */ - if (tmpname[0]) - { - strlcpy(name, tmpname, PCAP_BUF_SIZE); - } - else - { - if (errbuf) - pcap_snprintf(errbuf, PCAP_ERRBUF_SIZE, "The interface name has not been specified in the source string."); - - return -1; - } - } - - return 0; - } - - /* Look for a 'file://' identifier */ - if ((ptr = strstr(source, PCAP_SRC_FILE_STRING)) != NULL) - { - ptr += strlen(PCAP_SRC_FILE_STRING); - if (*ptr) - { - if (name) - strlcpy(name, ptr, PCAP_BUF_SIZE); - - if (type) - *type = PCAP_SRC_FILE; - - return 0; - } - else - { - if (errbuf) - pcap_snprintf(errbuf, PCAP_ERRBUF_SIZE, "The file name has not been specified in the source string."); - - return -1; - } - - } - - /* Backward compatibility; the user didn't use the 'rpcap://, file://' specifiers */ - if ((source) && (*source)) - { - if (name) - strlcpy(name, source, PCAP_BUF_SIZE); - - if (type) - *type = PCAP_SRC_IFLOCAL; - - return 0; - } - else - { - if (errbuf) - pcap_snprintf(errbuf, PCAP_ERRBUF_SIZE, "The interface name has not been specified in the source string."); - - return -1; - } -} - pcap_t *pcap_open(const char *source, int snaplen, int flags, int read_timeout, struct pcap_rmtauth *auth, char *errbuf) { char name[PCAP_BUF_SIZE]; |