diff options
| -rw-r--r-- | networking/tftp.c | 85 |
1 files changed, 49 insertions, 36 deletions
diff --git a/networking/tftp.c b/networking/tftp.c index 9b97477..96d8f3b 100644 --- a/networking/tftp.c +++ b/networking/tftp.c @@ -60,7 +60,7 @@ #define TFTP_ERROR 5 #define TFTP_OACK 6 -static const char *tftp_bb_error_msg[] = { +static const char * const tftp_bb_error_msg[] = { "Undefined error", "File not found", "Access violation", @@ -71,8 +71,17 @@ static const char *tftp_bb_error_msg[] = { "No such user" }; -static const int tftp_cmd_get = 1; -static const int tftp_cmd_put = 2; +#ifdef CONFIG_FEATURE_TFTP_GET +# define tftp_cmd_get 1 +#else +# define tftp_cmd_get 0 +#endif +#ifdef CONFIG_FEATURE_TFTP_PUT +# define tftp_cmd_put (tftp_cmd_get+1) +#else +# define tftp_cmd_put 0 +#endif + #ifdef CONFIG_FEATURE_TFTP_BLOCKSIZE @@ -375,7 +384,7 @@ static inline int tftp(const int cmd, const struct hostent *host, #endif if (opcode == TFTP_ERROR) { - char *msg = NULL; + const char *msg = NULL; if (buf[4] != '\0') { msg = &buf[4]; @@ -383,7 +392,7 @@ static inline int tftp(const int cmd, const struct hostent *host, } else if (tmp < (sizeof(tftp_bb_error_msg) / sizeof(char *))) { - msg = (char *) tftp_bb_error_msg[tmp]; + msg = tftp_bb_error_msg[tmp]; } if (msg) { @@ -509,71 +518,75 @@ int tftp_main(int argc, char **argv) /* figure out what to pass to getopt */ #ifdef CONFIG_FEATURE_TFTP_BLOCKSIZE + char *sblocksize = NULL; #define BS "b:" +#define BS_ARG , &sblocksize #else #define BS +#define BS_ARG #endif #ifdef CONFIG_FEATURE_TFTP_GET #define GET "g" +#define GET_COMPL ":g" #else #define GET +#define GET_COMP #endif #ifdef CONFIG_FEATURE_TFTP_PUT #define PUT "p" +#define PUT_COMPL ":p" #else #define PUT +#define PUT_COMPL #endif - while ((opt = getopt(argc, argv, BS GET PUT "l:r:")) != -1) { - switch (opt) { +#if defined(CONFIG_FEATURE_TFTP_GET) && defined(CONFIG_FEATURE_TFTP_PUT) + bb_opt_complementally = GET_COMPL PUT_COMPL ":?g--p:p--g"; +#elif defined(CONFIG_FEATURE_TFTP_GET) || defined(CONFIG_FEATURE_TFTP_PUT) + bb_opt_complementally = GET_COMPL PUT_COMPL; +#else + /* XXX: may be should #error ? */ +#endif + + + opt = bb_getopt_ulflags(argc, argv, GET PUT "l:r:" BS, + &localfile, &remotefile BS_ARG); #ifdef CONFIG_FEATURE_TFTP_BLOCKSIZE - case 'b': - blocksize = atoi(optarg); - if (!tftp_blocksize_check(blocksize, 0)) { - return EXIT_FAILURE; - } - break; + if(sblocksize) { + blocksize = atoi(sblocksize); + if (!tftp_blocksize_check(blocksize, 0)) { + return EXIT_FAILURE; + } + } #endif + + cmd &= (tftp_cmd_get & tftp_cmd_put); #ifdef CONFIG_FEATURE_TFTP_GET - case 'g': - cmd = tftp_cmd_get; - flags = O_WRONLY | O_CREAT | O_TRUNC; - break; + if(cmd == tftp_cmd_get) + flags = O_WRONLY | O_CREAT | O_TRUNC; #endif #ifdef CONFIG_FEATURE_TFTP_PUT - case 'p': - cmd = tftp_cmd_put; - flags = O_RDONLY; - break; + if(cmd == tftp_cmd_put) + flags = O_RDONLY; #endif - case 'l': - localfile = optarg; - break; - case 'r': - remotefile = optarg; - break; - } - } - if ((cmd == 0) || (optind == argc)) { - bb_show_usage(); - } - if(localfile && strcmp(localfile, "-") == 0) { - fd = fileno((cmd==tftp_cmd_get)? stdout : stdin); - } if(localfile == NULL) localfile = remotefile; if(remotefile == NULL) remotefile = localfile; - if (fd==-1) { + /* XXX: I corrected this, but may be wrong too. vodz */ + if(localfile==NULL || strcmp(localfile, "-") == 0) { + fd = fileno((cmd==tftp_cmd_get)? stdout : stdin); + } else if (fd==-1) { fd = open(localfile, flags, 0644); } if (fd < 0) { bb_perror_msg_and_die("local file"); } + /* XXX: argv[optind] and/or argv[optind + 1] may be NULL! */ host = xgethostbyname(argv[optind]); port = bb_lookup_port(argv[optind + 1], "udp", 69); |