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author | Yang Tse <yangsita@gmail.com> | 2010-02-04 17:17:19 +0000 |
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committer | Yang Tse <yangsita@gmail.com> | 2010-02-04 17:17:19 +0000 |
commit | f47b84b57ff74915820d26efc30459158bbe5c9c (patch) | |
tree | a9bfd9a7895df30e607615535fd26073f1efd73e /tests/server/tftpd.c | |
parent | 1a5749424b11b117b4a6c8732b6b959de14d1741 (diff) | |
download | curl-f47b84b57ff74915820d26efc30459158bbe5c9c.tar.gz |
Validate server port argument
Diffstat (limited to 'tests/server/tftpd.c')
-rw-r--r-- | tests/server/tftpd.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/tests/server/tftpd.c b/tests/server/tftpd.c index eefeb3ea4..91e51cf42 100644 --- a/tests/server/tftpd.c +++ b/tests/server/tftpd.c @@ -708,7 +708,16 @@ int main(int argc, char **argv) else if(!strcmp("--port", argv[arg])) { arg++; if(argc>arg) { - port = (unsigned short)atoi(argv[arg]); + char *endptr; + long lnum = -1; + lnum = strtol(argv[arg], &endptr, 10); + if((endptr != argv[arg] + strlen(argv[arg])) || + (lnum < 1025L) || (lnum > 65535L)) { + fprintf(stderr, "tftpd: invalid --port argument (%s)\n", + argv[arg]); + return 0; + } + port = (unsigned short)(lnum & 0xFFFFL); arg++; } } |