Module: kamailio Branch: master Commit: 4f7b5537688293d196669dd5a7d0124f7656cf2d URL: https://github.com/kamailio/kamailio/commit/4f7b5537688293d196669dd5a7d0124… Author: Daniel-Constantin Mierla <miconda(a)gmail.com> Committer: Daniel-Constantin Mierla <miconda(a)gmail.com> Date: 2021-04-06T14:48:34+02:00 core: main - several optarg safety checks --- Modified: src/main.c --- Diff: https://github.com/kamailio/kamailio/commit/4f7b5537688293d196669dd5a7d0124… Patch: https://github.com/kamailio/kamailio/commit/4f7b5537688293d196669dd5a7d0124… --- diff --git a/src/main.c b/src/main.c index 6d363ba375..4dac30179c 100644 --- a/src/main.c +++ b/src/main.c @@ -2140,6 +2140,10 @@ int main(int argc, char** argv) /* ignore, they were parsed immediately after startup */ break; case 'f': + if (optarg == NULL) { + fprintf(stderr, "bad -f parameter\n"); + goto error; + } cfg_file=optarg; break; case 'c': @@ -2147,10 +2151,18 @@ int main(int argc, char** argv) log_stderr=1; /* force stderr logging */ break; case 'L': + if (optarg == NULL) { + fprintf(stderr, "bad -L parameter\n"); + goto error; + } mods_dir = optarg; mods_dir_cmd = 1; break; case 'm': + if (optarg == NULL) { + fprintf(stderr, "bad shared mem size\n"); + goto error; + } shm_mem_size=strtol(optarg, &tmp, 10) * 1024 * 1024; if (tmp &&(*tmp)){ fprintf(stderr, "bad shmem size number: -m %s\n", @@ -2188,6 +2200,10 @@ int main(int argc, char** argv) /* ignore it, was parsed immediately after startup */ break; case 'O': + if (optarg == NULL) { + fprintf(stderr, "bad -O parameter\n"); + goto error; + } scr_opt_lev=strtol(optarg, &tmp, 10); if (tmp &&(*tmp)){ fprintf(stderr, "bad optimization level: -O %s\n", @@ -2200,6 +2216,10 @@ int main(int argc, char** argv) user=optarg; break; case 'A': + if (optarg == NULL) { + fprintf(stderr, "bad -A parameter\n"); + goto error; + } p = strchr(optarg, '='); if(p) { tmp_len = p - optarg; @@ -2451,6 +2471,10 @@ int main(int argc, char** argv) takes priority over config */ break; case 'b': + if (optarg == NULL) { + fprintf(stderr, "bad -b parameter\n"); + goto error; + } maxbuffer=strtol(optarg, &tmp, 10); if (tmp &&(*tmp)){ fprintf(stderr, "bad max buffer size number: -b %s\n", @@ -2473,6 +2497,10 @@ int main(int argc, char** argv) #endif break; case 'l': + if (optarg == NULL) { + fprintf(stderr, "bad -l parameter\n"); + goto error; + } p = strrchr(optarg, '/'); if(p==NULL) { p = optarg; @@ -2522,6 +2550,10 @@ int main(int argc, char** argv) free_name_lst(n_lst); break; case 'n': + if (optarg == NULL) { + fprintf(stderr, "bad -n parameter\n"); + goto error; + } children_no=strtol(optarg, &tmp, 10); if ((tmp==0) ||(*tmp)){ fprintf(stderr, "bad process number: -n %s\n", @@ -2548,6 +2580,10 @@ int main(int argc, char** argv) "TCP support disabled\n", optarg); goto error; } + if (optarg == NULL) { + fprintf(stderr, "bad -N parameter\n"); + goto error; + } tcp_cfg_children_no=strtol(optarg, &tmp, 10); if ((tmp==0) ||(*tmp)){ fprintf(stderr, "bad process number: -N %s\n", @@ -2560,6 +2596,10 @@ int main(int argc, char** argv) break; case 'W': #ifdef USE_TCP + if (optarg == NULL) { + fprintf(stderr, "bad -W parameter\n"); + goto error; + } tcp_poll_method=get_poll_type(optarg); if (tcp_poll_method==POLL_NONE){ fprintf(stderr, "bad poll method name: -W %s\ntry " @@ -2577,6 +2617,10 @@ int main(int argc, char** argv) "SCTP support disabled\n", optarg); goto error; } + if (optarg == NULL) { + fprintf(stderr, "bad -Q parameter\n"); + goto error; + } sctp_children_no=strtol(optarg, &tmp, 10); if ((tmp==0) ||(*tmp)){ fprintf(stderr, "bad process number: -O %s\n",