mirror of
https://github.com/vanhauser-thc/thc-hydra.git
synced 2025-08-22 06:13:55 -07:00
fix: Optimize the code
This commit is contained in:
Nicholas.Ni
parent
a69c5d87d6
commit
a218726dbc
2 changed files with 159 additions and 107 deletions
2
.gitignore
vendored
2
.gitignore
vendored
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@ -14,3 +14,5 @@ pw-inspector
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pw-inspector.exe
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hydra.restore
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*~
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.vscode/
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build/
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210
hydra-http.c
210
hydra-http.c
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@ -9,11 +9,22 @@ char *http_buf = NULL;
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#define END_CONDITION_MAX_LEN 100
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static char end_condition[END_CONDITION_MAX_LEN];
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int end_condition_type = -1;
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int match_status_code = 0;
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#define MAX_STATUS_CODE_SIZE 10
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int match_status_code[MAX_STATUS_CODE_SIZE];
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int32_t webport;
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int32_t http_auth_mechanism = AUTH_UNASSIGNED;
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void freeMemory(void **ptr) {
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if (ptr != NULL && *ptr != NULL) {
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free(*ptr);
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*ptr = NULL;
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}
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}
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#define freeM(p) freeMemory((void **)(&(p)))
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int32_t start_http(int32_t s, char *ip, int32_t port, unsigned char options, char *miscptr, FILE *fp, char *type, ptr_header_node ptr_head) {
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char *empty = "";
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char *login, *pass, *buffer, buffer2[500];
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@ -34,7 +45,7 @@ int32_t start_http(int32_t s, char *ip, int32_t port, unsigned char options, cha
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buffer_size = strlen(header) + 500;
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if (!(buffer = malloc(buffer_size))) {
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free(header);
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freeM(header);
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return 3;
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}
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@ -86,8 +97,8 @@ int32_t start_http(int32_t s, char *ip, int32_t port, unsigned char options, cha
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fooptr = buffer2;
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result = sasl_digest_md5(fooptr, login, pass, buffer, miscptr, type, webtarget, webport, header);
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if (result == NULL) {
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free(buffer);
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free(header);
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frefreeM(buffer);
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freeM(header);
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return 3;
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}
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@ -129,21 +140,21 @@ int32_t start_http(int32_t s, char *ip, int32_t port, unsigned char options, cha
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}
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if (hydra_send(s, buffer, strlen(buffer), 0) < 0) {
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free(buffer);
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free(header);
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freeM(buffer);
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freeM(header);
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return 1;
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}
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// receive challenge
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if (http_buf != NULL)
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free(http_buf);
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freeM(http_buf);
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http_buf = hydra_receive_line(s);
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if (http_buf == NULL) {
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if (verbose)
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hydra_report(stderr, "[ERROR] Server did not answer\n");
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free(buffer);
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free(header);
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freeM(buffer);
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freeM(header);
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return 3;
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}
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@ -165,8 +176,7 @@ int32_t start_http(int32_t s, char *ip, int32_t port, unsigned char options, cha
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// recover challenge
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from64tobits((char *)buf1, pos);
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free(http_buf);
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http_buf = NULL;
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freeM(http_buf);
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// Send response
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buildAuthResponse((tSmbNtlmAuthChallenge *)buf1, (tSmbNtlmAuthResponse *)buf2, 0, login, pass, NULL, NULL);
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@ -198,13 +208,13 @@ int32_t start_http(int32_t s, char *ip, int32_t port, unsigned char options, cha
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}
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if (hydra_send(s, buffer, strlen(buffer), 0) < 0) {
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free(buffer);
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free(header);
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freeM(buffer);
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freeM(header);
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return 1;
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}
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if (http_buf != NULL)
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free(http_buf);
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freeM(http_buf);
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http_buf = hydra_receive_line(s);
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complete_line = 0;
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tmpreplybuf[0] = 0;
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@ -215,20 +225,20 @@ int32_t start_http(int32_t s, char *ip, int32_t port, unsigned char options, cha
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if (tmpreplybuf[0] == 0 && strstr(http_buf, "HTTP/1.") != NULL) {
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strncpy(tmpreplybuf, http_buf, sizeof(tmpreplybuf) - 1);
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tmpreplybuf[sizeof(tmpreplybuf) - 1] = 0;
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free(http_buf);
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freeM(http_buf);
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http_buf = hydra_receive_line(s);
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} else if (tmpreplybuf[0] != 0) {
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complete_line = 1;
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if ((tmpreplybufptr = malloc(strlen(tmpreplybuf) + strlen(http_buf) + 1)) != NULL) {
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strcpy(tmpreplybufptr, tmpreplybuf);
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strcat(tmpreplybufptr, http_buf);
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free(http_buf);
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freeM(http_buf);
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http_buf = tmpreplybufptr;
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if (debug)
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printf("http_buf now: %s\n", http_buf);
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}
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} else {
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free(http_buf);
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freeM(http_buf);
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http_buf = hydra_receive_line(s);
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}
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}
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@ -238,8 +248,8 @@ int32_t start_http(int32_t s, char *ip, int32_t port, unsigned char options, cha
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if (http_buf == NULL) {
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if (verbose)
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hydra_report(stderr, "[ERROR] Server did not answer\n");
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free(buffer);
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free(header);
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freeM(buffer);
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freeM(header);
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return 3;
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}
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@ -249,21 +259,19 @@ int32_t start_http(int32_t s, char *ip, int32_t port, unsigned char options, cha
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ptr = ((char *)strchr(http_buf, ' '));
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if (ptr != NULL)
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ptr++;
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// check status
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if (match_status_code != 0) {
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char *status_code;
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memset(status_code, 0, 3);
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for (int i = 0; i < 3; i++) {
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*(status_code + i) = *(ptr + i);
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}
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if (match_status_code == atoi(status_code)) {
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if (end_condition == -1) {
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if (match_status_code != NULL) {
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for (int i = 0; match_status_code[i]; i++) {
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if (match_status_code[i] == atoi(ptr)) {
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if (end_condition_type == -1) {
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if (debug)
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hydra_report(stderr, "Status code condition %d match.\n", status_code);
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hydra_report(stderr, "Status code condition %d match.\n", match_status_code[i]);
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hydra_report_found_host(port, ip, "www", fp);
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hydra_completed_pair_found();
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goto finish;
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}
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}
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}
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}
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@ -284,8 +292,7 @@ int32_t start_http(int32_t s, char *ip, int32_t port, unsigned char options, cha
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hydra_completed_pair_found();
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}
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if (http_buf != NULL) {
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free(http_buf);
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http_buf = NULL;
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freeM(http_buf);
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}
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} else {
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if (ptr != NULL && *ptr != '4')
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@ -310,8 +317,8 @@ int32_t start_http(int32_t s, char *ip, int32_t port, unsigned char options, cha
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if (find_auth) {
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// free(http_buf);
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// http_buf = NULL;
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free(buffer);
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free(header);
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freeM(buffer);
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freeM(header);
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return 1;
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}
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}
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@ -319,9 +326,9 @@ int32_t start_http(int32_t s, char *ip, int32_t port, unsigned char options, cha
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}
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// free(http_buf);
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// http_buf = NULL;
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free(buffer);
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free(header);
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finish:
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freeM(buffer);
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freeM(header);
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if (memcmp(hydra_get_next_pair(), &HYDRA_EXIT, sizeof(HYDRA_EXIT)) == 0)
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return 3;
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@ -447,15 +454,83 @@ int32_t service_http_init(char *ip, int32_t sp, unsigned char options, char *mis
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/*POU CODE */
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char *delim = ":";
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strtok(miscptr, delim);
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char *p;
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while ((p = strtok(NULL, delim))) {
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char *misc = (char *)malloc(strlen(miscptr));
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memset(misc, '\0', strlen(miscptr));
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strcpy(misc, miscptr);
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char *delim = ":";
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char *p = NULL;
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char *match_text_start = NULL;
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memset(match_status_code, '\0', MAX_STATUS_CODE_SIZE);
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#if defined __APPLE__ || __linux__ || __unix__
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while ((p = strtok_r(NULL, delim, &misc))) {
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#endif
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#ifdef _WIN32
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while ((p = strtok_s(NULL, delim, &misc))) {
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#endif
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if (strstr(p, "r=") != NULL || strstr(p, "R=") != NULL) {
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if (strlen(p) < 3) {
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hydra_report(stderr, "Invalid status code, eg: 200 or 200|400.");
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free(misc);
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misc = NULL;
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return -1;
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}
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char tmp;
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int value, n;
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int pos = 0;
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p += 2;
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while (p) {
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n = sscanf(p, "%3d%c", &value, &tmp);
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if ((n != 1 && tmp != '|') || value > 1000) {
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hydra_report(stderr, "Invalid status code, eg: 200 or 200|400.");
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free(misc);
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return -1;
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}
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match_status_code[pos++] = value;
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if (pos > MAX_STATUS_CODE_SIZE) {
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hydra_report(stderr, "Match up to %d status codes.", MAX_STATUS_CODE_SIZE);
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free(misc);
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return -1;
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}
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if (n == 1) {
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break;
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}
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p = strchr(p, '|');
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if (p) {
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++p;
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}
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}
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}
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if (strstr(p, "F=") != NULL || strstr(p, "S=") != NULL) {
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char *match_text_start = strstr(p, "F=");
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if (match_text_start == NULL)
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match_text_start = strstr(p, "S=");
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int size = 0;
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if (misc != NULL) {
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size += strlen(misc) + 1;
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}
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size += strlen(p);
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match_text_start = (char *)malloc(size);
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memset(match_text_start, '\0', strlen(match_text_start));
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strcat(match_text_start, p);
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if (misc != NULL) {
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strcat(match_text_start, ":");
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strcat(match_text_start, misc);
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}
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break;
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}
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}
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if (match_text_start != NULL) {
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if (match_text_start[0] == 'F')
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@ -465,62 +540,37 @@ int32_t service_http_init(char *ip, int32_t sp, unsigned char options, char *mis
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int condition_len = strlen(match_text_start);
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memset(end_condition, 0, END_CONDITION_MAX_LEN);
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if (condition_len >= END_CONDITION_MAX_LEN) {
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hydra_report(stderr, "Condition string cannot be bigger than %u.", END_CONDITION_MAX_LEN);
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free(misc);
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free(match_text_start);
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return -1;
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}
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// copy condition witout starting string (F= or S= 2char)
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strncpy(end_condition, match_text_start + 2, condition_len - 2);
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if (debug)
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hydra_report(stderr, "End condition is %s, mod is %d\n", end_condition, end_condition_type);
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if (*(match_text_start - 1) == ' ')
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match_text_start--;
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memset(match_text_start, '\0', condition_len);
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free(match_text_start);
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match_text_start = NULL;
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if (debug)
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hydra_report(stderr, "Modificated options:%s\n", miscptr);
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} else {
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if (debug)
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hydra_report(stderr, "Condition not found\n");
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}
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}
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if (strstr(p, "c=") != NULL || strstr(p, 'C=') != NULL) {
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if (strlen(p) != 2 + 3) {
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hydra_report(stderr, "Invalid status code, eg: 200.");
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return -1;
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}
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char *status_code;
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memset(status_code, 0, 3);
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strncpy(status_code, p + 2, 3);
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for (int i = 0; i < strlen(status_code); i++) {
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if (!isdigit(*(status_code + i))) {
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hydra_report(stderr, "Invalid status code, eg: 200");
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return -1;
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}
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}
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match_status_code = atoi(status_code);
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if (debug) {
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hydra_report(stdout, "Find match reply status code: %d", match_status_code);
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}
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}
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}
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return 0;
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}
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}
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void usage_http(const char *service) {
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void usage_http(const char *service) {
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printf("Module %s requires the page to authenticate.\n"
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"The following parameters are optional:\n"
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" (a|A)=auth-type specify authentication mechanism to use: BASIC, "
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"NTLM or MD5\n"
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" (h|H)=My-Hdr\\: foo to send a user defined HTTP header with each "
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"request\n"
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" (c|C)=check for status code in the HTTP reply. If the reply status code\n"
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" (r|R)=check for status code in the HTTP reply. If the reply status code\n"
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" matches it, it is judged as successful \n"
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" (F|S)=check for text in the HTTP reply. S= means if this text is "
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"found, a\n"
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@ -531,4 +581,4 @@ void usage_http(const char *service) {
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"For example: \"/secret\" or \"http://bla.com/foo/bar:H=Cookie\\: "
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"sessid=aaaa\" or \"https://test.com:8080/members:A=NTLM\"\n\n",
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service);
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}
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}
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