Module: kamailio Branch: master Commit: 53c27ac3eb3e762110bd5cf54e55ddd85a7973a1 URL: https://github.com/kamailio/kamailio/commit/53c27ac3eb3e762110bd5cf54e55ddd8...
Author: Daniel-Constantin Mierla miconda@gmail.com Committer: Daniel-Constantin Mierla miconda@gmail.com Date: 2017-12-08T08:57:17+01:00
app_mono: safety check beforing accessing field inside pointer
- zero terminated allocated strings
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Modified: src/modules/app_mono/app_mono_api.c
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Diff: https://github.com/kamailio/kamailio/commit/53c27ac3eb3e762110bd5cf54e55ddd8... Patch: https://github.com/kamailio/kamailio/commit/53c27ac3eb3e762110bd5cf54e55ddd8...
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diff --git a/src/modules/app_mono/app_mono_api.c b/src/modules/app_mono/app_mono_api.c index 7bdfcb97a9..37ece204d2 100644 --- a/src/modules/app_mono/app_mono_api.c +++ b/src/modules/app_mono/app_mono_api.c @@ -136,7 +136,7 @@ int mono_sr_init_load(void) } mono_config_parse (NULL); mi = _sr_mono_load_list; - if(mi->domain != NULL) + if(mi && mi->domain != NULL) { LM_ERR("worker mono environment already initialized\n"); return 0; @@ -769,13 +769,14 @@ static int sr_mono_hdr_append (MonoString *hv) }
hf = env_M->msg->last_header; - hdr = (char*)pkg_malloc(txt.len); + hdr = (char*)pkg_malloc(txt.len+1); if(hdr==NULL) { LM_ERR("no pkg memory left\n"); goto error; } memcpy(hdr, txt.s, txt.len); + hdr[txt.len] = '\0'; anchor = anchor_lump(env_M->msg, hf->name.s + hf->len - env_M->msg->buf, 0, 0); if(insert_new_lump_before(anchor, hdr, txt.len, 0) == 0) @@ -863,13 +864,14 @@ static int sr_mono_hdr_insert (MonoString *hv)
LM_DBG("insert hf: %s\n", txt.s); hf = env_M->msg->headers; - hdr = (char*)pkg_malloc(txt.len); + hdr = (char*)pkg_malloc(txt.len+1); if(hdr==NULL) { LM_ERR("no pkg memory left\n"); goto error; } memcpy(hdr, txt.s, txt.len); + hdr[txt.len] = '\0'; anchor = anchor_lump(env_M->msg, hf->name.s + hf->len - env_M->msg->buf, 0, 0); if(insert_new_lump_before(anchor, hdr, txt.len, 0) == 0)
-
Daniel-Constantin Mierla