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author | Mystery Man <unknown@mandriva.org> | 2003-02-17 13:58:09 +0000 |
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committer | Mystery Man <unknown@mandriva.org> | 2003-02-17 13:58:09 +0000 |
commit | 0dba959cedf1129579809c769929713e3ad93099 (patch) | |
tree | 36721d86f80dddd9ac452269a0eb0f5d2159328c /mdk-stage1/url.c | |
parent | a5d6fe3636f8080b9603572894ed317aaed6d2c8 (diff) | |
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This commit was manufactured by cvs2svn to create tag 'V9_1_0_34mdk'.V9_1_0_34mdk
Diffstat (limited to 'mdk-stage1/url.c')
-rw-r--r-- | mdk-stage1/url.c | 501 |
1 files changed, 0 insertions, 501 deletions
diff --git a/mdk-stage1/url.c b/mdk-stage1/url.c deleted file mode 100644 index ada5696cd..000000000 --- a/mdk-stage1/url.c +++ /dev/null @@ -1,501 +0,0 @@ -/* - * Guillaume Cottenceau (gc@mandrakesoft.com) - * - * Copyright 2000 MandrakeSoft - * - * This software may be freely redistributed under the terms of the GNU - * public license. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - * - */ - -/* - * Portions from Erik Troan <ewt@redhat.com> and Matt Wilson <msw@redhat.com> - * - * Copyright 1999 Red Hat, Inc. - * - */ - -#include <alloca.h> -#include <sys/socket.h> -#include <sys/types.h> -#include <netinet/in_systm.h> - -#include <ctype.h> -#include <errno.h> -#include <fcntl.h> -#include <netdb.h> -#include <stdarg.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <sys/socket.h> -#include <sys/time.h> -#include <sys/types.h> -#include <unistd.h> -#include <sys/poll.h> - -#include <netinet/in.h> -#include <netinet/ip.h> -#include <arpa/inet.h> - -#include "dns.h" -#include "log.h" -#include "tools.h" - -#include "url.h" - - -#define TIMEOUT_SECS 60 -#define BUFFER_SIZE 4096 - - -static int ftp_check_response(int sock, char ** str) -{ - static char buf[BUFFER_SIZE + 1]; - int bufLength = 0; - struct pollfd polls; - char * chptr, * start; - int bytesRead, rc = 0; - int doesContinue = 1; - char errorCode[4]; - - errorCode[0] = '\0'; - - do { - polls.fd = sock; - polls.events = POLLIN; - if (poll(&polls, 1, TIMEOUT_SECS*1000) != 1) - return FTPERR_BAD_SERVER_RESPONSE; - - bytesRead = read(sock, buf + bufLength, sizeof(buf) - bufLength - 1); - - bufLength += bytesRead; - - buf[bufLength] = '\0'; - - /* divide the response into lines, checking each one to see if - we are finished or need to continue */ - - start = chptr = buf; - - do { - while (*chptr != '\n' && *chptr) chptr++; - - if (*chptr == '\n') { - *chptr = '\0'; - if (*(chptr - 1) == '\r') *(chptr - 1) = '\0'; - if (str) *str = start; - - if (errorCode[0]) { - if (!strncmp(start, errorCode, 3) && start[3] == ' ') - doesContinue = 0; - } else { - strncpy(errorCode, start, 3); - errorCode[3] = '\0'; - if (start[3] != '-') { - doesContinue = 0; - } - } - - start = chptr + 1; - chptr++; - } else { - chptr++; - } - } while (*chptr); - - if (doesContinue && chptr > start) { - memcpy(buf, start, chptr - start - 1); - bufLength = chptr - start - 1; - } else { - bufLength = 0; - } - } while (doesContinue); - - if (*errorCode == '4' || *errorCode == '5') { - if (!strncmp(errorCode, "550", 3)) { - return FTPERR_FILE_NOT_FOUND; - } - - return FTPERR_BAD_SERVER_RESPONSE; - } - - if (rc) return rc; - - return 0; -} - -static int ftp_command(int sock, char * command, char * param) -{ - char buf[500]; - int rc; - - strcpy(buf, command); - if (param) { - strcat(buf, " "); - strcat(buf, param); - } - - strcat(buf, "\r\n"); - - if (write(sock, buf, strlen(buf)) != (ssize_t)strlen(buf)) { - return FTPERR_SERVER_IO_ERROR; - } - - if ((rc = ftp_check_response(sock, NULL))) - return rc; - - return 0; -} - -static int get_host_address(char * host, struct in_addr * address) -{ - if (isdigit(host[0])) { - if (!inet_aton(host, address)) { - return FTPERR_BAD_HOST_ADDR; - } - } else { - if (mygethostbyname(host, address)) - return FTPERR_BAD_HOSTNAME; - } - - return 0; -} - -int ftp_open_connection(char * host, char * name, char * password, char * proxy) -{ - int sock; - struct in_addr serverAddress; - struct sockaddr_in destPort; - char * buf; - int rc; - int port = 21; - - if (!strcmp(name, "")) { - name = "anonymous"; - password = "-drakx@"; - } - - if (strcmp(proxy, "")) { - buf = alloca(strlen(name) + strlen(host) + 5); - sprintf(buf, "%s@%s", name, host); - name = buf; - host = proxy; - } - - if ((rc = get_host_address(host, &serverAddress))) return rc; - - sock = socket(AF_INET, SOCK_STREAM, IPPROTO_IP); - if (sock < 0) { - return FTPERR_FAILED_CONNECT; - } - - destPort.sin_family = AF_INET; - destPort.sin_port = htons(port); - destPort.sin_addr = serverAddress; - - if (connect(sock, (struct sockaddr *) &destPort, sizeof(destPort))) { - close(sock); - return FTPERR_FAILED_CONNECT; - } - - /* ftpCheckResponse() assumes the socket is nonblocking */ - if (fcntl(sock, F_SETFL, O_NONBLOCK)) { - close(sock); - return FTPERR_FAILED_CONNECT; - } - - if ((rc = ftp_check_response(sock, NULL))) { - return rc; - } - - if ((rc = ftp_command(sock, "USER", name))) { - close(sock); - return rc; - } - - if ((rc = ftp_command(sock, "PASS", password))) { - close(sock); - return rc; - } - - if ((rc = ftp_command(sock, "TYPE", "I"))) { - close(sock); - return rc; - } - - return sock; -} - - -int ftp_data_command(int sock, char * command, char * param) -{ - int dataSocket; - struct sockaddr_in dataAddress; - int i, j; - char * passReply; - char * chptr; - char retrCommand[500]; - int rc; - - if (write(sock, "PASV\r\n", 6) != 6) { - return FTPERR_SERVER_IO_ERROR; - } - if ((rc = ftp_check_response(sock, &passReply))) - return FTPERR_PASSIVE_ERROR; - - chptr = passReply; - while (*chptr && *chptr != '(') chptr++; - if (*chptr != '(') return FTPERR_PASSIVE_ERROR; - chptr++; - passReply = chptr; - while (*chptr && *chptr != ')') chptr++; - if (*chptr != ')') return FTPERR_PASSIVE_ERROR; - *chptr-- = '\0'; - - while (*chptr && *chptr != ',') chptr--; - if (*chptr != ',') return FTPERR_PASSIVE_ERROR; - chptr--; - while (*chptr && *chptr != ',') chptr--; - if (*chptr != ',') return FTPERR_PASSIVE_ERROR; - *chptr++ = '\0'; - - /* now passReply points to the IP portion, and chptr points to the - port number portion */ - - dataAddress.sin_family = AF_INET; - if (sscanf(chptr, "%d,%d", &i, &j) != 2) { - return FTPERR_PASSIVE_ERROR; - } - dataAddress.sin_port = htons((i << 8) + j); - - chptr = passReply; - while (*chptr++) { - if (*chptr == ',') *chptr = '.'; - } - - if (!inet_aton(passReply, &dataAddress.sin_addr)) - return FTPERR_PASSIVE_ERROR; - - dataSocket = socket(AF_INET, SOCK_STREAM, IPPROTO_IP); - if (dataSocket < 0) { - return FTPERR_FAILED_CONNECT; - } - - if (!param) - sprintf(retrCommand, "%s\r\n", command); - else - sprintf(retrCommand, "%s %s\r\n", command, param); - - i = strlen(retrCommand); - - if (write(sock, retrCommand, i) != i) { - return FTPERR_SERVER_IO_ERROR; - } - - if (connect(dataSocket, (struct sockaddr *) &dataAddress, - sizeof(dataAddress))) { - close(dataSocket); - return FTPERR_FAILED_DATA_CONNECT; - } - - if ((rc = ftp_check_response(sock, NULL))) { - close(dataSocket); - return rc; - } - - return dataSocket; -} - - -static int ftp_get_filesize(int sock, char * remotename) -{ - int size = 0; - char buf[2000]; - char file[500]; - char * ptr; - int fd, rc, tot; - int i; - - strcpy(buf, remotename); - ptr = strrchr(buf, '/'); - if (!*ptr) - return -1; - *ptr = '\0'; - - strcpy(file, ptr+1); - - if ((rc = ftp_command(sock, "CWD", buf))) { - return -1; - } - - fd = ftp_data_command(sock, "LIST", NULL); - if (fd <= 0) { - close(sock); - return -1; - } - - ptr = buf; - while ((tot = read(fd, ptr, sizeof(buf) - (ptr - buf))) != 0) - ptr += tot; - *ptr = '\0'; - close(fd); - - if (!(ptr = strstr(buf, file))) { - log_message("FTP/get_filesize: Bad mood, directory does not contain searched file (%s)", file); - if (ftp_end_data_command(sock)) - close(sock); - return -1; - } - - for (i=0; i<4; i++) { - while (*ptr && *ptr != ' ') - ptr--; - while (*ptr && *ptr == ' ') - ptr--; - } - while (*ptr && *ptr != ' ') - ptr--; - - if (ptr) - size = charstar_to_int(ptr+1); - else - size = 0; - - if (ftp_end_data_command(sock)) { - close(sock); - return -1; - } - - return size; -} - - -int ftp_start_download(int sock, char * remotename, int * size) -{ - if ((*size = ftp_get_filesize(sock, remotename)) == -1) { - log_message("FTP: could not get filesize (trying to continue)"); - *size = 0; - } - return ftp_data_command(sock, "RETR", remotename); -} - - -int ftp_end_data_command(int sock) -{ - if (ftp_check_response(sock, NULL)) - return FTPERR_BAD_SERVER_RESPONSE; - - return 0; -} - - -int http_download_file(char * hostname, char * remotename, int * size) -{ - char * buf; - char headers[4096]; - char * nextChar = headers; - int checkedCode; - struct in_addr serverAddress; - struct pollfd polls; - int sock; - int rc; - struct sockaddr_in destPort; - char * header_content_length = "Content-Length: "; - - if ((rc = get_host_address(hostname, &serverAddress))) return rc; - - sock = socket(AF_INET, SOCK_STREAM, IPPROTO_IP); - if (sock < 0) { - return FTPERR_FAILED_CONNECT; - } - - destPort.sin_family = AF_INET; - destPort.sin_port = htons(80); - destPort.sin_addr = serverAddress; - - if (connect(sock, (struct sockaddr *) &destPort, sizeof(destPort))) { - close(sock); - return FTPERR_FAILED_CONNECT; - } - - buf = alloca(strlen(remotename) + 20); - sprintf(buf, "GET %s HTTP/0.9\r\n\r\n", remotename); - write(sock, buf, strlen(buf)); - - /* This is fun; read the response a character at a time until we: - - 1) Get our first \r\n; which lets us check the return code - 2) Get a \r\n\r\n, which means we're done */ - - *nextChar = '\0'; - checkedCode = 0; - while (!strstr(headers, "\r\n\r\n")) { - polls.fd = sock; - polls.events = POLLIN; - rc = poll(&polls, 1, TIMEOUT_SECS*1000); - - if (rc == 0) { - close(sock); - return FTPERR_SERVER_TIMEOUT; - } else if (rc < 0) { - close(sock); - return FTPERR_SERVER_IO_ERROR; - } - - if (read(sock, nextChar, 1) != 1) { - close(sock); - return FTPERR_SERVER_IO_ERROR; - } - - nextChar++; - *nextChar = '\0'; - - if (nextChar - headers == sizeof(headers)) { - close(sock); - return FTPERR_SERVER_IO_ERROR; - } - - if (!checkedCode && strstr(headers, "\r\n")) { - char * start, * end; - - checkedCode = 1; - start = headers; - while (!isspace(*start) && *start) start++; - if (!*start) { - close(sock); - return FTPERR_SERVER_IO_ERROR; - } - start++; - - end = start; - while (!isspace(*end) && *end) end++; - if (!*end) { - close(sock); - return FTPERR_SERVER_IO_ERROR; - } - - *end = '\0'; - if (!strcmp(start, "404")) { - close(sock); - return FTPERR_FILE_NOT_FOUND; - } else if (strcmp(start, "200")) { - close(sock); - return FTPERR_BAD_SERVER_RESPONSE; - } - - *end = ' '; - } - } - - if ((buf = strstr(headers, header_content_length))) - *size = charstar_to_int(buf + strlen(header_content_length)); - else - *size = 0; - - return sock; -} |