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Ensure buffer for environment is large enough on Solaris

This commit is contained in:
Benny Baumann 2022-05-05 20:02:08 +02:00 committed by BenBE
parent db93268968
commit 9fc72c1e9c
1 changed files with 14 additions and 8 deletions
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22
solaris/Platform.c
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@ -267,16 +267,21 @@ static int Platform_buildenv(void* accum, struct ps_prochandle* Phandle, uintptr
envAccum* accump = accum;
(void) Phandle;
(void) addr;
size_t thissz = strlen(str);
if ((thissz + 2) > (accump->capacity - accump->size)) {
accump->env = xRealloc(accump->env, accump->capacity *= 2);
while ((thissz + 2) > (accump->capacity - accump->size)) {
if (accump->capacity > (SIZE_MAX / 2))
return 1;
accump->capacity *= 2;
accump->env = xRealloc(accump->env, accump->capacity);
}
if ((thissz + 2) > (accump->capacity - accump->size)) {
return 1;
}
strlcpy( accump->env + accump->size, str, (accump->capacity - accump->size));
strlcpy( accump->env + accump->size, str, accump->capacity - accump->size);
strncpy( accump->env + accump->size + thissz + 1, "\n", 2);
accump->size = accump->size + thissz + 1;
accump->size += thissz + 1;
return 0;
}
@ -299,7 +304,8 @@ char* Platform_getProcessEnv(pid_t pid) {
Prelease(Phandle, 0);
strncpy( envBuilder.env + envBuilder.size, "\0", 1);
return envBuilder.env;
return xRealloc(envBuilder.env, envBuilder.size + 1);
}
char* Platform_getInodeFilename(pid_t pid, ino_t inode) {