diff options
Diffstat (limited to 'networking')
| -rw-r--r-- | networking/tftp.c | 45 |
1 files changed, 42 insertions, 3 deletions
diff --git a/networking/tftp.c b/networking/tftp.c index 5ebd221..30232ef 100644 --- a/networking/tftp.c +++ b/networking/tftp.c @@ -31,6 +31,11 @@ //config: default y //config: depends on TFTP //config: +//config:config FEATURE_TFTP_HPA_COMPAT +//config: bool "tftp-hpa compat (support -c get/put FILE)" +//config: default y +//config: depends on TFTP +//config: //config:config TFTPD //config: bool "tftpd (10 kb)" //config: default y @@ -101,9 +106,10 @@ //usage: IF_FEATURE_TFTP_BLOCKSIZE( //usage: "\n -b SIZE Transfer blocks of SIZE octets" //usage: ) +///////: "\n -m STR Accepted and ignored ('-m binary' compat with tftp-hpa 5.2)" //usage: //usage:#define tftpd_trivial_usage -//usage: "[-cr] [-u USER] [DIR]" +//usage: "[-crl] [-u USER] [DIR]" //usage:#define tftpd_full_usage "\n\n" //usage: "Transfer a file on tftp client's request\n" //usage: "\n" @@ -759,15 +765,46 @@ int tftp_main(int argc UNUSED_PARAM, char **argv) INIT_G(); + if (ENABLE_FEATURE_TFTP_HPA_COMPAT) { + /* As of 2019, common tftp client in Linux distros + * is one maintained by H. Peter Anvin: + * I've seen "tftp-hpa 5.2" version. + * Make the following command work: + * "tftp HOST [PORT] -m binary -c get/put FILE" + * by mangling it into "....... -g/-p -r FILE" + * and accepting and ignoring -m STR option. + */ + unsigned i = 1; + while (argv[i]) { + if (strcmp(argv[i], "-c") == 0) { + if (!argv[++i]) + break; + if (strcmp(argv[i], "get") == 0) { + argv[i-1] = (char*)"-g"; + argv[i] = (char*)"-r"; + break; + } + if (strcmp(argv[i], "put") == 0) { + argv[i-1] = (char*)"-p"; + argv[i] = (char*)"-r"; + break; + } + } + i++; + } + } + IF_GETPUT(opt =) getopt32(argv, "^" IF_FEATURE_TFTP_GET("g") IF_FEATURE_TFTP_PUT("p") "l:r:" IF_FEATURE_TFTP_BLOCKSIZE("b:") + IF_FEATURE_TFTP_HPA_COMPAT("m:") "\0" /* -p or -g is mandatory, and they are mutually exclusive */ IF_FEATURE_TFTP_GET("g:") IF_FEATURE_TFTP_PUT("p:") IF_GETPUT("g--p:p--g:"), &local_file, &remote_file IF_FEATURE_TFTP_BLOCKSIZE(, &blksize_str) + IF_FEATURE_TFTP_HPA_COMPAT(, NULL) ); argv += optind; @@ -851,7 +888,7 @@ int tftpd_main(int argc UNUSED_PARAM, char **argv) peer_lsa->len = our_lsa->len; /* Shifting to not collide with TFTP_OPTs */ - opt = option_mask32 = TFTPD_OPT | (getopt32(argv, "rcu:l", &user_opt) << 8); + opt = option_mask32 = TFTPD_OPT | (getopt32(argv, "rcu:lm:", &user_opt, NULL) << 8); argv += optind; if (opt & TFTPD_OPT_l) { openlog(applet_name, LOG_PID, LOG_DAEMON); @@ -897,6 +934,7 @@ int tftpd_main(int argc UNUSED_PARAM, char **argv) mode = local_file + strlen(local_file) + 1; /* RFC 1350 says mode string is case independent */ if (mode >= G.block_buf + result || strcasecmp(mode, "octet") != 0) { + error_msg = "mode is not 'octet'"; goto err; } # if ENABLE_FEATURE_TFTP_BLOCKSIZE @@ -944,7 +982,8 @@ int tftpd_main(int argc UNUSED_PARAM, char **argv) /* tftp_protocol() will create new one, bound to particular local IP */ result = tftp_protocol( our_lsa, peer_lsa, - local_file IF_TFTP(, NULL /*remote_file*/) + local_file + IF_TFTP(, NULL /*remote_file*/) IF_FEATURE_TFTP_BLOCKSIZE(, want_transfer_size) IF_FEATURE_TFTP_BLOCKSIZE(, blksize) ); |