Function cbm_parse_dockerfile_source

src/pipeline/pass_infrascan.c:543–596

}

int cbm_parse_dockerfile_source(const char *source, cbm_dockerfile_result_t *out) {
    if (!source || !out) {
        return CBM_NOT_FOUND;
    }
    memset(out, 0, sizeof(*out));

    /* Process line by line */
    const char *p = source;
    char line[CBM_SZ_4K];

    while (*p) {
        /* Extract one line */
        const char *eol = strchr(p, '\n');
        size_t line_len = eol ? (size_t)(eol - p) : strlen(p);
        if (line_len >= sizeof(line)) {
            line_len = sizeof(line) - SKIP_ONE;
        }
        memcpy(line, p, line_len);
        line[line_len] = '\0';
        p = eol ? eol + SKIP_ONE : p + line_len;

        /* Trim */
        char *trimmed = line;
        while (*trimmed == ' ' || *trimmed == '\t') {
            trimmed++;
        }
        rtrim(trimmed);

        /* Skip empty lines and comments */
        if (*trimmed == '\0' || *trimmed == '#') {
            continue;
        }

        df_parse_from(trimmed, out);
        df_parse_expose(trimmed, out);
        df_parse_env(trimmed, out);
        df_parse_arg(trimmed, out);
        df_parse_directives(trimmed, out);
    }

    /* No stages = empty/invalid Dockerfile */
    if (out->stage_count == 0) {
        return CBM_NOT_FOUND;
    }

    /* base_image = last stage's image (use intermediate copy to avoid restrict overlap) */
    {
        char tmp[sizeof(out->base_image)];
        snprintf(tmp, sizeof(tmp), "%s", out->stage_images[out->stage_count - SKIP_ONE]);
        memcpy(out->base_image, tmp, sizeof(out->base_image));
    }

    return 0;
}

/* ── Dotenv parser ──────────────────────────────────────────────── */